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/*! \page changelog Changelog
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- <b>OpenFlipper 1.4 ( ?? , 16057 )</b>
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     - <b>Significant interface changes and Bugfixes</b>
         - Interface: Don't use allow addEmpty in FileInterface anymore (deprecated long time ago and basically unused! The type plugins handle this signal anyway.)
         - Interface: Renamed and extended functions to block scenegraph updates. OpenFlipper::Options::loadingSettings replaced by 
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             - sceneGraphUpdatesBlocked()
             - blockSceneGraphUpdates()
             - unblockSceneGraphUpdates()
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         - Bugfix: Fixed undirected shooting function returning wrong nearest triangle (was always the one with the most negative distance) in BSP
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         - Interface: RayCollision is now a sorted vector conbining standard pairs of the hit handles and their distance to the hit
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         - Interface: Render Interface: Implemented capabilities check for renderer interface
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         - Interface: ACG, Renamed the basecolor functions in the core to defaultColor
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         - Bugfix: Emit object updates for all objects in scene, if -1 is given as updated object. (Should not be used, as it is very slow for a large object count!)
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         - Logic: if an object gets deleted, no updatedObject (-1) signal will be emitted now. Use the objectDeleted slot from LoadSaveInterface.
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         - Build: Default to relesae build type by default 
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         - Interface: Changed selection interface the qicons have been replaced by QString. The path to the icon has to be given now This avoids the problem of qpixmap creation in the selection plugins, when no gui is present Added deprecation warning, to informa about deprecated plugin interface usage
         - Interface: Don't emit updatedObject(-1) anymore if an object gets deleted. Use the slot objectDeleted from LoadSaveInterface instead.
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     - <b>ACG</b>
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         - Documentation
             - Documentation for DrawModes and ShaderGenerator
             - Examples for property-based drawmodes
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         - General
             - Added simple scenegraph analysis function to get bounding box and multipass number
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             - Fixed standard rendering pipeline to use the basecolor now (emmisive)
             - Renamed the basecolor functions in the core to defaultColor
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         - Geometry/BSP
             - Removed dependency from bsp to OpenFlipper (not required and causes unnecessary linking)
             - Added directional BSP ray shooting including unit tests
             - Fixed undirected shooting function returning wrong nearest triangle (was always the one with the most negative distance)
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             - Interface: RayCollision is now a sorted vector combining standard pairs of the hit handles and their distance to the hit              
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             - Integrated optional infinity override for custom types that do not have std::numeric_limits<Type>::infinity()
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         - Geometry/Spherical
             - New functions
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         - Geometry
             - Made function distPointTriangleSquared a real template function
         - GlState
             - Added additional overlay color to material stuff and glstate
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         - Heap 
             - gcc-4.7 build fixes
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         - Math
             - Dual Quaternion: New operator to access dual quaternion elements sequentially
             - Dual Quaternion: Made interpolate function a template to allow other vector types than std::vector
         - Scenegraph:
             - translationManipulator: Added support for render objects 
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             - Added functions for new rendering interface, replacing the opengl standard pipeline
             - StatusNodes can now use the buffers of a drawmesh (reuse them to use less memory and faster rendering)
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         - Unittests
             - Unittests for BSP
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             - Unittests for algorithms
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         - TextureNode
             - Improved texture rendering
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     - <b>Core</b>
         - Speedup getObject in Pluginfunctions, as most functions used the slow recursive version instead of the std map accelerated version in PluginFunctions   
         - Speedup: Modified the resetScenegraph stuff which ran the bounding box and multipass actions too often (Approx. factor 4 speedup in this function)
         - Speedup: Block updates wile loading files from the command line
         - Speedup: Reset drawmodes only when not locked
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         - Speedup: Don't send view updates to plugin, if scenegraph updates are locked
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         - Speedup: Removed unnecessary update function from resetSceneGraph (already updated on demand)
         - Speedup: Removed redundant call in BaseObjects next function
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         - Fix: Fixed action mode toggling via meta or alt keys (only worked, if already switched between modes before hitting the keys)
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         - Fix: Video capture could crash due to illegal thread access
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         - PerObjectData
             - Added set of standard per object datas
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         - RecentFiles
             - common/RecentFiles: Added obtainPathName convenience function
         - UI
             - Fix: Now the sidearea is not cleared everytime a toolbox is added, thus preventing the loss of active states
             - Fix: Toolboxes are sorted according to the given order now
             - Feature : State of toolboxes added via script is restored
             - Fix : States of toolboxes is remembered when changing views
             - Default changed: Set pick toolbars to default in scene again
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             - Improved Plugin Info Dialog
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             - Store StatusBar visibility in properties and apply it correctly when toggling fullscreen modes or when restarting the application
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         - Help Browser:
             - Unregister old doc files correctly
             - Fixed startpage for windows
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             - fix: does not unregister help files if unnecessary
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         - Rendering
             - Removed most of the Rendering Code and moved it into The Classic Rendering Plugin
         - RendererManager
             - Added function to get renderer id from name
         - GLWidget
             - Moved stereo flag into ViewerProperties
             - Removed unused blending flag
             - Moved cursor painter to ViewerProperties
         - About Dialog
             - Display more information about the OpenGL and Shader Versions
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         - Fix: Don't create icons, when no gui is available
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         - MeshTools
             - Cleanup the MeshSelection file a bit (Make all referneces const ref) (Thanks to Vladimir Chalupecky for the report)
             - Cleanup MeshInfo to be more consistent (Use pointers for all mesh parameters) (Thanks to Vladimir Chalupecky for the report)
	     - Change cog to get a pointer to the mesh
	     - Change getBoundingBox to get a pointer to the mesh
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     - <b>Interfaces</b>
         - RPC Interface
             - Support for rpc calls with return value and up to 6 parameters
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         - Render Interface
             - Implemented capabilities check for renderer interface
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     - <b>ObjectTypes</b>
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         - General
             - Speedup: Removed the get_unique_name functions when adding any object, as this would cause linear time when adding new objects.
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             - Merged the two implementations of QtPlaneSelect.
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         - BSplineCurve
             - Make proper use of templates to enable different data types
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             - Adapted b-spline curve class to use template scalar type instead of hard-coded double.
             - Getting const ref as point parameter
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         - Plane
             - Get rid of immidiate mode when rendering
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         - PolyLine
             - Added function to create circles
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             - Follow new color spec in polyline nodes
             - Fixed picking through object when using polyline interaction.
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         - Skeleton
             - Added include guard to AnimationHandle class
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         - VolumeMesh
             - Added draw mode for colored vertices
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     - <b>Plugins</b> 
         - Backup 
             - Fix: Now the signal aboutToRestore is also correctly emitted in slotUndo()
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         - Datacontrol
             - Added context menu item to copy material to targeted objects.
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             - Speedup: Accellerate Treeitem lookup for child by a map. This should speedup large object count handling significantly.
             - Speedup: Remove duplicate function calls
             - Speedup: Only handle lightsources in file opened, if they are added
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         - Decimater
             - Added multiple choice decimater (up to 4 times faster but with less accuracy)
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             - Add init button for keeping initialization
             - Fix: Decimater objects are cleared before an undo happens
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         - All File Plugins
             - Added option to set output precision of numbers in ascii based file formats
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         - File Bundler
             - New Plugin
             - Read output from bundler (SplatCloud, Cameras)
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         - File PLY
             - Fixed wrong casting of colors ( written files contained only black and white colors
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         - File Off
             - Fixed reading of some binary files, which were not opened correctly
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         - Isotropic Remesher
             - Increased toolbox maximum
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         - Info Mesh Object
             - Use a hash map to cash the target objects to avoid linear time lookup for the targets
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             - Don't show genus, when the object is not closed
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         - Material Picker
             - New Plugin to store and set materials on objects
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         - MeshRepair
             - Fix: flip orientation does not produce holes anymore
             - New snap boundary function 
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             - Added fix topology function
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             - Added a function to fix a mesh by snapping vertices in a specific range into one vertex
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             - Increased maximal values for the spin boxes
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         - Move 
             - Added scripting function for the transformation of handle vertices.
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         - Primitives Generator
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             - Added cylinder generator (with scriptable parameters)
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         - Render Shader Pipeline
             - New renderrer, based on a shader replacement of the standard pipeline
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         - Render Classic
             - The classical Renderer taken from the core and moved into a plugin ( Important step to use the new Renderers via Core Profiles)
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         - Property Vis
             - Increased maximal allowed scaling factor for vectors
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             - Support build without skeleton data type
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             - Refactored, new features:
	         - Changed plugin's architecture so that it can now be extended to support generic object types (implementation for OpenVolumeMesh has been added).
                 - Read/write properties from/into files. Also reading props into existing properties is now supported.
                 - Multiple properties can be selected (multiple toolboxes appear) and combined.
                 - Documentation has been added.
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         - Render DepthPeeling
             - Fixed shader not working correctly on mac
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         - SelectionBase
             - Speedup selection base plugin by caching the number of objects of the specific types (no linear time check anymore)
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         - SelectionMeshObject
             - Fixed action mode toggling via meta or alt keys
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             - Made conversion function scriptable
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             - Fixed bug in selection plugin when switching between halfedge and edge selection with sphere
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             - Use Mousewheel + shift to grow or shrink selections
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         - Skeletal Animation
             - Speedup Skeletal Animation Plugin by only caching skeletons.
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         - Type PolyLine
             - Only add frounding math, if cgal is actually used
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         - Type Splat Cloud
             - Name group after splatcloud
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         - ViewControl
             - Feature to check and disable modeling areas seperatly
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     - <b>Scripting</b>
         - Core: Added getToolbox method to scripting interface.
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         - Core: Added scipting functions to block and unblock the scenegraph (speedup while handling large object counts)
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     - <b>Documentation</b>
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         - Added documentation about core keys
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         - Removed example path from doxyfiles for user documentation
         - Added colored point rendering stuff.
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     - <b>Build system</b>
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         - Default to release build type by default
         - Added plugin collections to cleanup directory structure
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         - Extract library path for glut on windows
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         - Added workaround, if found is defined in lowercase for optional dependency
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         - Increased Qt warning to 4.8.4
         - Added cmake finder for mpfr library
         - Made gurobi finder work on mac
         - Don't build file plugins, if their data type is missing
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- <b>OpenFlipper 1.3 ( 2012.07.16 , 15046 )</b>
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     - <b>ACG</b>
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         - DrawModes
             - Implemented property based draw modes
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         - General
             - Ongoing work for more advanced renderer interfaces
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         - Geometry 
             - Improving BSP tree implementation
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         - GL
             - Added ShaderGenerator
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         - Math
             - Matrix4x4: Added determinant method
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             - Fixed GLMatrixT constructor 
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             - Added Vec3b
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         - LightNode
             - Compiler fix: Work around c++0x problem with initialization of a vector
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         - LineNode
             - Bug fix: LineSegment mode when no colors are specified
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         - Material2Node
             - Removed (unused anyway and users might get confused)
         - ShaderUtils
             - Handle matrices as uniforms
         - TextNode
             - Get rid of ftgl and freetype requirements
             - Render textured quad to be able to support higher OpenGL profiles
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         - TranslationManipulatorNode
             - fix: manipulator color circles changed
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         - QtWidgets
             - Added spinbox for better control of the shininess
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     - <b>Core</b>
         - Help
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             - Help Browser shows message if page wasn't found
             - Fix: back/forward button works when link in textbrowser was clicked
             - Fix: Help browser tree view selection will be updated if a link to another document is clicked.
             - Fix: double loading home page at the beginning
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             - Fixed warning due to connection to non existing slot.
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             - Fix: Build error with gcc-4.7 due to missing include in About.cc
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         - IO
             - BaseObject now stores the filename of an object from which it was loaded
             - BaseObject now stores the path of an object from which it was loaded
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             - added an option to the save settings input dialog for objects with no given extensions, such that a chosen extension can be applied to all object without preset types
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         - Load/Save
             - Added a QInputDialog so that the user can choose a file extension for newly created meshes when saving the settings.
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             - Bugfix: Delete all is equivalent to clear all, so emit the clear all signal as well
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         - Rendering
             - Bugfix: Improved recovery of broken scene setups
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         - UI
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             - Paste View: keep toolbarsize when window size is not changed
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             - Paste View: Added extra button to paste view and the window size
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             - Paste View: Integrate the toolbox size into the copied view
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             - Default changed when removing objects (Defaults to yes now)
             - Improvement: When switching to orthogonal mode, the coordinate system now switches to ortho projection, too
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             - Fix: Snapshot function on windows did not capture the gl widget correctly (fixes #943)
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             - Fix: Fixed bug where multiview layout box has not been updated correctly
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         - BaseViewer
             - Get rid of the twenty region pick functions in the qtbaseviewer (Merged to one)
         - PluginFunctions
             - Fixed plugin function for isProjectionOrthographic which did not work for the active_viewer. (Thanks to Bengt Rosenberger for the report)
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         - Process management
             - Enable process support without GUI
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     - <b>ObjectTypes</b>
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         - BSplineCurve
             - Fixed colors
             - Fixed crash with empty spline curve on windows
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         - Plane
             - Improved implementation and Documentation
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         - PolyLine
             - New objecttype representing polygonal lines (with smoothing, dragging, mesh interaction and many more features)
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         - Skeleton 
             - Removed the using namespace part to avoid collisions (corresponding plugins have been updated too)
         - SplatCloud
             - New property system to append properties to the cloud and its entities like in OM
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     - <b>Plugins</b>
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         - Color
             - Documentation
             - Default alpha value to 1.0
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         - Decimater
             - Bugfix: Async slider and number box after loading a new mesh
         - FileHeightField
             - Improved speed of the ui when selecting the load area
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         - File OBJ
             - The default group is not set to be a polymesh even if it does not have any faces
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             - Added missing ifdefs for bspline curve object type
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             - Single bspline-curves or bspline-surfaces in obj files that do not belong to any groups are no longer grouped in the datacontrol plugin
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             - Fix: bspline curves and bspline surfaces should be grouped correctly now
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         - File OFF
             - Fix: Endless loop (moved an end-of-file check in readFileOptions so that eof is detected in time)
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             - Fix: Correctly set path for the loaded objects
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             - Fix: Added some additional checks so that empty lines and comments are skipped.
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         - FilePLY
             - Fix: Ignore unknown properties instead of crashing
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         - FileSTL
             - View all after loading file
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         - File VTK
             - vtk objects now just have the filename as a name rather than the full path
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         - Isotropic Remesher
             - Fix: Added a check if we are trying to collapse an edge of length 0 in the isotropic remesher
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         - Ruler
             - New plugin to measure the euclidean distance between objects in the 3D scene.
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         - MeshObjectInfo
             - Support for point clouds represented by meshes
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         - MeshRepair
             - Fix: Don't only detect error and crash but detect error and warn about it (without crashing)
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         - Move
             - User Documentation
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         - PropertyVis
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             - Added color viz for vector properties
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         - Scripting
             - Sort list of available functions
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         - Selection Base
             - Allow selection plugins to restrict its selection metaphors to specified data types (or all if none is given).
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         - SelectionMeshObject
             - Added scripting function to select vertices based on the value of one of their components
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         - Subdivider
             - Added Catmull Clark subdivider from OpenMesh (Thanks to Leon Kos for providing the code)
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         - TypeHexaHedralMesh
             - Automatically set ambient color when adding empty mesh.
         - TypePolyHedralMesh
             - Added translucency rendering options to polyhedral mesh type plugin.
             - Automatically set ambient color when adding empty mesh.
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     - <b>Scripting System</b> 
        - Vector type
             - Added functions for add, multiply, scalar product, norm, sqrnorm, normalize and sub
        - Matrix type
             - Added matrix vector multiplication
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     - <b>Build System</b>
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        - Mac
             - Added flag OPENFLIPPER_CALL_FIX_BUNDLE to disable bundle creation on mac os
        - Win
             - Fixed silent install of Visual Studio 2010 redistributable
             - Make clear that a missing redistributable is only a warning.
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             - Fixed a problem when building VS2010 binaries containing qwt on a machine where qwt is also available but build with VS2008
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        - Linux
             - Some cmake-Finder upgrades to support Fedora and to be more clean
        - General
             - Allow Compiler Defines per plugin
             - Updated qt tested version to 4.8.1
             - Added Finder vor CPLEX and Metis
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             - Added option to disable libraries which are not required 
             - Updated some finders
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     - <b>Documentation</b>
        - Added Documentation about creating own data types
        - Integrated OpenVolumeMesh documentation
        - Included bib files for OpenVolumeMesh
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        - Fixed a lot of doxygen warnings
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     - <b>Testing System</b>
        - Added optional 4th argument to run_single_object_file_mesh_test, which gives a directory with meshes for testing. If given, TEST_FILE argument is ignored.
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        - Increased the testing timeouts a bit (Due to heavy load on the build servers tests got marked as failed but the timeouts where caused by heavy load)
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- <b>OpenFlipper 1.2 ( 2012.03.23 , 14285 )</b>
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     - <b>ACG</b>
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         - DrawMesh
             - Fixed crash with some empty meshes
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         - DrawModes
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             - Reworked dynamic drawMode interface         
             - new draw modes: points_colored / points_colored_shaded
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         - Geometry
             - Fixed aspect ratio function
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             - compute the rotation axis as wellas the rotation angle of two given vectors
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             - Moved bsp tree from OpenFlipper comon to ACG directory
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         - GL
             - Added GLPrimitives class to get rid of glut
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             - Implemented missing read functions for current bound framebuffer. refs #373
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         - Math
             - Added operator* for matrix * scalar multiplication, where each element of the matrix is multiplied with the scalar.
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             - Added column-wise constructor to GLMatrix
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         - SceneGraph
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             - General
                 - Replace usage of gluDisk/Sphere... by the GLPrimitives
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             - CoordsysNode
                 - Rendering fix for colors of coordsys
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             - LineNode
                 - added Vec4f color support and blending for LineNode (in segment mode)
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             - MeshNode
                 - Don't texture edges, halfedges and points in meshnode
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                 - Fixed picking bug, not updating the buffers when switching between any and face picking
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                 - Extra buffer for any picking pass
                 - Bugfix, where mesh was not build yet, but picking needed refs #281
                 - Bugfix for any picking. closes #354
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             - PointNode
                 - Switched to vec4f colors
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             - ShaderNode
                 - Return the available drawmodes based on the set shaders
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             - TranslationManipulatorNode
                 - Make QtTranslationManipulatorNode active per default, since otherwise it is neglected when computing the scene's bounding box
                 - Fixed set_direction for translation manipulator Node
                 - Added functions to disable unused rotation parts of the manipulator
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                 - Corrected colors for translationmanipulatornode. closes #289
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         - QtWidgets
             - Added ColorChooserButton with alpha channel display
             - Use new ColorChooserButton for QtMaterialDialog
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             - Get rid of ugly frame rendering bug in QtBaseViewer
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         - ShaderUtils
             - Uniform setters for Vec2f and Vec4f
             - Uniform setter for float arrays
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             - Geometry Shader support
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         - Utilities
             - Added ACG::ColorGenerator (For generating good reproducable colors)
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             - Halton Color generator
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             - Added colorcoder generating nice colors for a given range of doubles.
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             - Add basic histogram plots with colored bars to ACG
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             - Added a smart pointer header defining a namespace ptr based on the available capabilities
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     - <b>Core</b>
         - General
             - Bugfix for ++ operator in UpdateType
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             - Bugfix: Avoid target counter underflow when copying objects
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             - Bugfix: Missing updateGL causing wrong picking buffers in some special settings
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             - Bugfix: More safety checks on startup to avoid crashes related to window states
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         - Logger
             - Updated widget and removed old workarounds that were required in older qt versions
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         - Rendering
             - Rendermanager/PostprocessorManager bugfix (crash when illegal viewer id -1 was used)
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             - Fixed bug in renderinfo not setting viewer to a renderer mode
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         - Scripting
             - Added help function to print help about different objects (e.g. plugins with help("datacontrol") )
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             - Added script handler logging scripting errors to the console even if they are not run via the script editor
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         - UI
             - Get rid of ugly frame rendering bug in SimpleViewer
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             - Do not reset picking toolbar's position and orientation each time it is shown.
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             - Fixed bug where logger and toolbar where invisible
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             - Modified drawmode context menu to stay open if drawmodes are combined.
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             - Copy and paste view can now also restore the window and toolbox sizes
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         - Help
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             - Open Help browser if what's this links are clicked.
             - Correctly modify treewidget position when a link was clicked.
             - Fixed help browser to correctly find resources in the virtual folder of the last opened document.
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     - <b>Interfaces</b> 
         - General
             - Use const ref for passing strings where possible
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         - BaseInterface 
             - Added Basinterface function to switch renderer
             - Added function to get current renderer
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             - Added slotSceneDrawn. Gets triggered after gl update. (closes #449)
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         - FileInterface
             - Added getAllFileFilters signal to LoadSaveInterface. This signal was documented but in fact never implemented.
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             - Added two convenience functions for list of recent items bookkeeping. (rememberRecentItem,getRecentItems)
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     - <b>ObjectTypes</b>
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         - HexahedralMesh
             - New object type for handling hexahedral meshes with an interface like OpenMesh (OpenVolumeMesh)
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         - PolyMeshObject
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             - Switched color type in meshes from Vec3uc to Vec4f to support alpha per primitive
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         - Skeleton
             - Draw root joint in orange
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             - Fixed non const function hiding draw modes for skeletons
             - Additional PluginFunctions to get skeletons / skeletonObjects by id
             - Add reference information to find a skeleton to a skin
             - Introduced animation iterator
             - insert joint function
             - split joint function
             - rename for animations
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         - SplatCloud
             - Added new splat cloud object type
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         - TriMeshObject
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             - Switched color type in meshes from Vec3uc to Vec4f to support alpha per primitive
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     - <b>Plugins</b>
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         - Backup
             - Small fix for signal flow through backup plugin
         - DataControl
             - Made DataControl scriptable
             - added printObjectInfoToLog function which prints info about all available objects to the log
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             - Implemented scripting function in datacontrol to get number of groups in the scene.
             - Function to get object datatype and stringlist of all available datatypes.
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         - Decimater
             - New decimater with various constraints and feature support
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         - File OBJ
             - Bugfix: Don't try to add information when faces are not added
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             - Bugfix: Prevent crash when trying to add non-manifold vertex configurations.
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             - Bugfix: Loading of mixed objs (splines, surfaces) didn't work correctly
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         - File PLY
             - View all after loading a file to see the scene
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             - Fixed conversion to 4 color components
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         - FileHeightField
             - New simple file plugin loading an image and interpreting it a s a height field.
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         - InfoSkeleton
             - Scripting functions to get information
         - MeanCurvature
             - Scripting functions
         - MeshCompare
             - New plugin to compare two meshes (distance, normal deviation,...)
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         - MeshObjectInfo
             - Corrected and improved genus computation
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             - Display edge length closes #283
             - Enable headless mode for meshinfo plugin
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         - MeshObjectSelections
             - Added functions to convert edge selections to features.
             - Added conversion functions for all types of features (vertices, edges and faces)
             - Store edge selections as vertex pairs since edge ids are not stable (differ depending on the file reader).
             - Also store vertex pairs for halfedge selections instead of direct ids since they're not stable either.
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             - Readded missing function to create a new mesh from a selection.
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         - MeshRepair
             - Added computation of halfedge-normals
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         - Move 
             - Allow modifiying selection when changing the manipulator via its text controls
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         - Primitives Generator 
             - New plugin to generate primitives
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         - PropertyVis
             - New plugin that can visualize various properties on meshes.
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         - Remesher
             - New remesher with adaptive and uniform remeshing 
             - Feature support
         - Render DepthPeling
             - New plugin integrating a dual depth peeling renderer
         - Render SSAO
             - New plugin integrating a screen space ambient occlusion renderer
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         - Scripting
             - Added user flag to enable or disable qtscript debugger
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         - Smoother Plugin
             - Make Smoother scriptable
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         - Subdivider
             - Implement option to keep original vertices at their position
             - New subdivision function, splitting the currently longest edge until a maximal edge length is reached.
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         - Skeletal Animation
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             - OpenMP parallelization
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             - Detach skin from skeleton if mesh is removed from scene.
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             - Bug: Do not deform skin if skin weights are not computed
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         - SkeletonEditing
             - Don't add root joint twice when creating new skeletons
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             - Basic inverse kinematics implementation
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             - When a joint is translated via the Plugin, its parent joint and itself are rotated now, such that their coordinate systems stay constant w.r.t the bone axis. 
             - Automatically switch to depth peeling renderer when editing skeletons
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             - fixed "rotate manipulator"-button doesn't deactivate "transform joint"-button
             - "splitJoint" depends on "splitBone" in "skeletonEditingScritpting.cc"
             - it should not be possible to add/delete/split joints when not in reference pose
             - fix: joint inserted by "splitJoint" will not be deleted, when you click on "addJoint"-Button and then press on another Button
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             - Removed deselection and setting of the currentJoint in "splitJoints"
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         - TexxtureControl
             - Switched to qwt 6
             - Fixed histogram painting
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             - Create backup of original texture coordinates in file plugins not in texturecontrol
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         - VSI
             - Description for remeshing algorithms
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     - <b>Documentation</b>
         - Do not build html index on top of each page for qt-help
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         - Documentation for Backup Interface
         - Documentation for Postprocessor Interface
         - Documentation for Render Interface
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         - Added lots of documentation for plugin programming (with tikz pictures for the flow diagrams)
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         - Added what's this generator class for easier referencing documentation from plugins
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         - Fixed a lot of doxygen warnings
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     - <b>Testing</b>
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         - Integrated testing framework  for file load/save testing
         - Integrated testing generators for algorithms
         - Run unittests of OpenMesh when OpenFlipper tests are run
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         - Added flags to disable OpenFlipper unittest building
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     - <b>Build System</b>
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         - Build with XCode 4.3
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         - Support Visual Studio 2010 and QT 4.8
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         - Added option to allow in source builds (not recommended but it works)
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         - Doxygen, don't warn if undocumented
         - Added Eigen3 finder
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         - Fix problem with fixbundle on mac, where libraries with restrictive permissions did not get fixed properly
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         - Added code style template for eclipse
         - Add option to for windows large memory support (enabled by default)
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         - Default warnings now contain -Wextra
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         - Moved OpenMesh sources to libs_required subfolder
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         - Switched to QWT 6 (and enabled it on mac)
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         - Use one global doxy file to control the generation of the help files for plugins
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         - Fixed bug where debug and release qt versions where copied into MacOS bundle causing crashes.
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         - Fixed install directory of the qt help files
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- <b>OpenFlipper 1.1 ( 2011.09.26  , 12468 )</b>
     - <b>ACG</b>
         - SceneGraph
             - General
                 - Changed all nodes to use the glstate system instead of direct gl calls
             - MaterialNode
                 - Changes to light and material dialog to set alpha channel
             - MeshNode
                 - Fixed bug in per vertex picking buffer(was sometimes empty).
                 - Render faces with normals defined on the mesh(and do not compute them)
             - StatusNode
                 - Implement on demand updates (before everything was updated on a change)
     - <b>Core</b>
         - File handling
             - Fixed load and save bug, where extensions where considered equal if prefix matched
         - General
             - Type iterator introduced to iterate over all currently available types
             - Removed process events calls from snapshots
             - Added threaded writing for video function (higher framerates possible due to less io waiting)
             - Removed the unique naming functions from file plugins (not required, horribly slow)
             - Removed all processEvents from core
             - Large speedup to mesh object updates (due to status node switch for on demand updates)
         - GUI
             - Fixed bug causing a crash when switching between logger modes
             - Reworked log viewer animation and embedding
             - Reworked in scene toolbar integration
             - Fixed bug with transparent frame introduced with QT 4.7.3 onward
             - Added functions to hide status bar ( Ctrl+b , scripting)
             - When going to fullscreen, hide only toolbars that are currently docked
             - Reintroduced checkbox for rendering toolbar outside of scene
             - Added menus to switch between postprocessors and renderers
             - Introduced split viewer layout with two viewers next to each other
             - Set focus on right examiner when a context menu is requested
             - Icons for video capture
         - Load/Save
             - Dont crash when we get a wrong id after adding a new object
             - Fixed bug in recent files menu which sometimes ignored the type
         - Options 
             - Fixed bug where translations could not be switched in the options dialog
             - Added sliders to options widget to support smaller screens
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             - Options Setting for MaxRecent
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         - Rendering
             - Moved flyTo animations to animation framework (no more ugly processEvents)
             - Fixed fly to animation not working when rotation ofthe viewer was locked
             - Snapshot functions now have asynchronus file writers
             - Removed philips stereo code from core ( moved into postprocessor plugin)
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         - Scripting  
             - If qt scripttools are available, integrate them into the scripting plugin (Script debugger)
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             - More slot documentations
             - added deleteObject function
             - Changed snapshot functions to count filenames with leading zeros
             - Added printToFile scripting function
             - Added the global function printToFile to list of scripting functions
             - Slot descriptions for global scripting functions
     - <b>Interfaces</b>
         - BaseInterface
             - Added a drawModeChanged slot
         - RenderInterface
             - New interface to replace the core rendering function with a specialized one
         - PostProcessorInterface
             - Introduced new interface to add rendering postprocessors to plugins (e.g. render depth image)
     - <b>Plugins</b>
         - File OBJ
             - Add empty object if empty file is read instead of failing
             - Fixed issue regarding vertices that belong to a specific group. Vertices are now stored globally 
               and then copied to the group meshes on demand..
         - File PLY
             - PLY Reader implementation for forcing data type (required for recent files with specific type)
         - File VTK
             - Introduced new VTK importer/exporter plugin   
         - Post Processor Depth Image 
             - New Plugin taking depth buffer and rendering it as the final output image
         - Post Processor Philips Stereo
             - Postprocessor for image output on Philips autostereoscopic displays
         - Render Picking
             - Plugin that implements the core render picking functionality
             - Renders the picking color buffer to the screen.
         - Scripting
             - Added if and break to keywords
             - Added line numbers to editor and error line highlighting
             - Added statusbar and error messages with line numbers
             - Toolbar for scripting widget
             - Clear scripting window after executing core scripts
             - Scripting function to clear the script widget
             - Bring widget to front when requested
             - Online syntax checking
         - Selection
             - Introduce function to load selections via scripting from files
             - Fixed bug in selection plugin where sphere painter size was not updated on the fly
             - Readded button to load flipper selections
             - Fixed bug where sphere selection sometimes failed (pciking itself instead of object)
         - SkeletonEditing
             - Fixed flickering when adding skeleton joints
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         - Topology
             - added split_edge supporting PolyMeshes
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         - Texturecontrol
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             - Don't switch drawmode when texture is switched ( ==== You have to switch the drawmode yourself in a plugin now) ===== )
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             - Bugfix to react on switching to texture based drawmodes
             - Histogramm for 1d halfedge based texture coords for texture properties widget
             - Bugfix property abs (absolute value) no longer causes a parse error
         - VSI
             - Fixed bug where meshobjectinfo was not correctly supported
     - <b>Build System</b>
         - Increased min cmake version to 2.8.5 to work around some build problems with minor versions
         - Follow links when recursivly adding sources
         - Added missing call t find_package doxygen causing per plugin docs to be skipped
         - Install ACG Library along with OpenFlipper
         - Changed name of PluginLib to OpenFlipperPluginLib 
         - Added basic debian build directory

- <b>OpenFlipper 1.0.2 (  2011.06.30 , 11903 )</b>
     - <b>ACG</b>
         - SceneGraph
             - GridNode
                 - Only return a bounding box, if there will be something visible
             - ManipulatorNode
                 - Fixed manipulator node, where bounding box was computed without center
             - MaterialNode
                 - Change point size and line width in picking mode to avoid user confusion
             - MeshNode
                 - Added GPU Cache optimizer ( For per vertex draw modes; Speedup for rendering about 3 )
                 - Use buffer objects for rendering
             - ShaderNode
                 - Fixed return type of functions
                 - Don't use shaders when insufficient gl version is detected
         - GL
             - Fixed bug that made VertexBufferObject unusable
             - Fixed bug that made FrameBufferObject unusable
             - Avoid usage of glIsRenderBuffer
             - Added functions for gl version check
             - Preparation of gl state locking (not completed yet)
         - Shaderutils
             - Check if gl version satisfies requirements for shaders
         - Documentation
             - Color picking documentation
     - <b>Core</b>
         - Rendering
             - Fixed bug, when empty objects where added (Scenegraph Bounding box was not correctly reset)
             - Disable two sided lighting by default (Way faster rendering without tsl)
             - Fixed initial draw mode on mac os on first startup
         - User Interactions
             - Fixed doubleclick in multiview not moving hitpoint to center in ortho mode
             - Context Menu: Fixed crash when no default view mode was set
         - Options
             - Handle default projection mode via OpenFlipperSettings and reorder widget
             - Added default lock rotation setting
             - Make ViewerProperties aware of the viewer id it belongs to
             - Place options in correct config files to be app store compliant
         - View mode
             - When adding context menus, remove the accelerators & to avoid matching failiures
             - Fix for the undo/redo context menu entries containing special characters.
         - Load/Save
             - Fixed handling of last directory to avoid jumps between dirs in file dialogs.
             - Fixed variable initialization in ParseINI
             - Rename files if multiple files have the same name when saving settings file.
             - Fixed bug in load save dialog, where capital extensions were not handled correctly
         - Plugin Loader
             - Limit number of preload threads
         - Scripting
             - Dont create ui elements from scripting in batch mode
         - Sapshots
             - Removed process events from aplpication snapshot (strange behavior)
         - User Interface
             - Introduced option if pickmode toolbars are handled in the viewer or as a traditional toolbar on the left
         - About Dialog
             - List registered file plugins
             - Added intel compiler infos
             - Show os endian type
     - <b>Interfaces</b>
         - Introduced selection Interface
         - Introduced Information Interface
             - From now on, it is necessary to implement an info plugin for each specific data type. 
             - This plugin has to override InformationInterface in order to provide information on a clicked object.
         - Reworked Backup Interface
         - BaseInterface
             - Fixed non called slot pluginViewUpdated which broke the viewChanged signal in BaseInterface
     - <b>ObjectTypes</b>
         - BaseObjectData
             - Fixed virtual function shadowing
         - BSplineCurve
             - BSplineCurveT: Added selection wrapper functions 
             - Fixed rendering of knot selection
             - Added icon for B-spline Curves
             - Added context menu to show/hide selection and cotrol net
         - BSplineSurface
             - BSplineSurfaceT: Added selection wrapper functions
             - Fixed rendering of knot selection
             - Added icon for B-spline surfaces
             - Added context menu to show/hide selection and cotrol net
             - Corrected behaviour of control point deletion 
         - Camera
             - New Datatype for visualizing cameras
         - CoordSys
             - Fixed coordsys node which did not initialize the rotation matrix.
             - Smooth shaded mode for coordsys
             - fixed bug where coordsys state was wrong after snapshot
         - Light
             - Make sure to not use OpenGL, if its not there (Fixes batch mode in headless compute clusters)
         - MeshObject
             - Fixed functions to set/get selections which ignored vertex 0
             - Update status nodes when geometry is updated. Otherwise they are at the wrong pos with wrong bounding box
             - Introduced update textures signal
         - Plane
             - Added missing plugin function (get PlaneObject from id)
         - Skeleton
             - Fixed error on some compilers not building although class was defined as friend
     - <b>Plugins</b>
         - Backup
             - Reworked Backup system
                 - Support for global undo redo
                 - Support for per object undo redo
                 - Support for undo/redo groups
                 - Support for partial backups (selection only ... )
                 - Integrated backup requests in with type plugins
         - Datacontrol
             - Don' change source and target settings of objects when they get grouped
             - Fixed warning, when groupobjects have been appended to their parent twice
         - FileOBJ
             - Fixed crash with wrong indices in obj importer (Only triggered on defect obj files)
             - Fixed group parsing (All items that have the same group name will end up in one object now)
         - FileOFF
             - Fixed windows build error on some VS versions
             - Fixed parsing of off files containing empty lines
             - Fixed parsing of some comments
         - FilePLY
             - Improved error handling when indices are out of range
             - don't ignore user settings in ascii reader
             - Support big endian files
             - Correctly write binary header(missing endian)
             - reserve memory before adding data to improve speed
             - Fixed crash in binary reader with texture coordinates
         - Info
             - Renamed to InfoMeshObject
         - MeshRepair
             - Cleanup, functions to compute normals
             - Made mesh repair functions scriptable
             - Visual scripting interface itegration
         - Move
             - Move multiple objects at once
             - Built in function to rasterize manipulator rotation (in 45 degree steps) if shift and control is pressed simultaneously.
         - Selection
             - Reworked selection Interface
                 - SelectionBase Plugin now handles the basics
                 - Per type one selection plugin handles this types selection
                 - Only available selection metaphors are enabled in the gui
             - Fixed bug where vertex selection was not saved properly
             - Fixed pickmode toolbar rendering bug in MacOS and Windows.
         - Smoother
             - updated normals after smoothing
             - add possibility for using fixed weights
             - removed unnecessary garbage collection
         - Texture Plugins
             - Fixed OpenFlipper crash when computing curvature textures on Darwin (Disabled openmp .. unclear why it crashes)
         - TextureControl
             - Added imagestore to reuse already active textures
         - Topology
             - Now operates on quad meshes where possible
         - TypeLight
             - Make TypeLight run in batch mode
         - TypeCamera
             - Make TypeCamera run in batch mode
     - <b>Build System</b>
         - Introduced option to debug OpenFlipperSettings (cerr read and write access to settings)
         - Introduced mac option to provide a user defined Info.plist
         - Added 512x512 Icon to OpenFlipper_Icon.icns 
         - Only build documentation if doxygen is available
         - Added simple ANN finder
         - Plugin Configuration output
             - Sort list of configured plugins
             - Add more spaces for longer plugin names
             - Sort plugin configuration details into groups
             - Output Build type when configuring
         - Additional mac path for qt_menu.nib
         - License Manager changes. Global flag now controls if the license managers get enabled.
         - Added cmake macros for gtest dependencies used for unit testing
         - Flag for appstore compliance added (-DAPP_STORE_COMPLIANT)
         - Added cuda integration for plugins
         - Fixed include of global dependencies that havve to be integrated to core
         - Introduced Recursive dependecies (Parses flags like LIBRARY_DEPS and LIBRARY_OPT_DEPS)
     - <b>Packaging</b>
         - Added file type association for mac OS
         - Flag for appstore compliance added
         - Changed the path to OpenFlippers config dir to be app store compliant
         - Automatically copy qt plugins into bundle/installer
     - <b>Documentation</b>
         - Fixed doxygen problem with missing includes
         - Fixed typo which caused DeveloperDoc to include user doc
         - Skeleton Documentation
         - Tutorial to add empty objects


- <b>OpenFlipper 1.0.1 (  03.21.2011 , 11158 )</b>
     - <b>Interface changes</b>
         - <b>ACG</b>
             - In ACG enter,enterPick,leave,leavePick,draw functions now get the draw mode as const reference. Please change your nodes accordingly
         - <b>Interfaces</b>
             - Remove getAllFilters from LoadSaveInterface as the right functions are in the file interface
             - Moved openedFile signal from LoadSaveInterface to FileInterface
     - <b>ACG</b>
         - General
             - Remove glew on Mac
         - GLState
             - clearallbuffers fixed (cleared whole buffer instead of the viewport only( broke multiview of OpenFlipper ) 
         - DrawModes
             - Made isAtomic const
         - Scenegraph
             - enter,enterPick,leave,leavePick,draw functions now get the draw mode as const reference. Please change your nodes accordingly
         - LineNode
             - Fixed rendering of line node in LineSegments mode where wrong color was used
     - <b>Core</b>
         - Log Window
             - Fixed log filter button staying pressed
         - About widget
             - Added section about developers
             - Show library paths in about dialog
         - User Interface
             - Scripting function to move toolboxes to top or bottom
         - Interfaces
             - Make operator functions for == an != const in ObjectIterator
             - Remove getAllFilters from LoadSaveInterface as the right functions are in the file interface
             - Moved openedFile signal from LoadSaveInterface to FileInterface
         - Rendering
             - Added option to set minimal scene size
         - Snapshot functions
             - Trim snapshot filename (Fixes bug, where windows got confused when space was behind the filename which caused an inaccesible file )
         - Internals
             - Renamed slotObjectOpened in core to slotFileOpened
     - <b>LicenseManager</b>
         - Use separate Hashes for each network interface
         - Use more reliable windows native code to get windows interfaces
         - Include product id on windows
         - Fixed wrong coreApp path on Mac
         - Get rid of extra message box when license files are not found
         - Ovverride button to generate License without a request
     - <b>ObjectTypes</b>
         - BSplineCurve
             - Fixed some rendering errors
         - Coordsys Object
             - New Object type for visualizing coordinate systems
         - MeshObjects 
             - Bugfixes
                 - Fixed StatusNodeMod for handle and modeling regions to return correct information about handle/modeling areas.
         - SkeletonObjects
             - Update of Animation classes
     - <b>Plugins</b>
         - Selection
             - Store halfedge selections in ini file
         - FileOBJ
             - Store textures to texture dir with name prefix of file to avoid ambigouties
         - FileSkeleton
             - Removed ( Is now FileSKL)
         - MeshRepair
             - Made most functions scriptable
             - Some minor bugfixes
         - Move
             - Fixed wrong update of normals
             - Transform skeletons correctly
             - Corrected setPosition function to correctly transform mesh as desired.
         - ViewControl
             - Scripting function to set projection mode of coordinate system
         - VSI (Visual scripting interface)
             - Fixed bug that prevented usage of conditions and loops
             - Scripting functions for Mesh Repair Plugin
     - <b>Documentation</b>
         - Developer Documentation
             - Include all code in OpenFlippers directory in the developer docs
             - Overview for datatypes
             - Document skeleton class
             - Document Mesh datatypes
             - Documentation for Interfaces
         - User Documentation
     - <b>Build System</b>
         - Moved VERSION file to OpenFlipper subdir, as this represents more or less the core version
         - Be less verbose in doxygen configs
         - Updated doxygen macro
         - plugins can now provide user documentation in the userDoc subdir
         - Fixed missing ACGDLL definition when building pluginlib
         - install documentation along with OpenFlipper

- <b>OpenFlipper 1.0 (  01.26.2011 , 10764 )</b>
     - <b>ACG</b>
         - GLState
             - Enable or disable Mipmapping
             - Moved depth_func_ from BaseNode to GL_State
             - Pass Scene boundingbox through glstate (Allow nodes to get current boundingbox)
         - Dialogs
             - Added Dialog for texture node
950
             - QtMaterialDialog (Fixed bugs and interference with round_points / smooth_line)
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         - BSlineCurveNode
             - Get colors from materialNode rather than setting it in the node directly
         - BSlineSurfaceNode
             - Get colors from materialNode rather than setting it in the node directly
         - Coordsys Node
             - Implemented orthogonal mode
         - GLState
             - Correctly clear buffers
         - Gridnode
             - Fixed size now works correctly
         - LightNode
             - Picking implemented
             - Fixed BoundingBox computation
         - MaterialNode
             - Added random color generator
         - MeshNode
             - Added per face per vertex normal buffer
             - New EDGE_COLORED draw mode
             - New HALFEDGE and HALFEDGE_COLORED draw mode
             - Fixed a bug in MeshNode2T that would permanently change the depth comparison function instead of only temporarily
             - Correctly unbind texture if bound in MeshNode
         - PlaneNode
             - Fixed an error in the nonzero normal detection in PlaneNode::setPosition.
         - Pointnode
             - Fixed null pointer dereference when no points are available
         - QtMaterialDialog
             - Bugfix ( GL_SCR_ALPHA was missing as choice for blending param)
         - Quaternions
             - Matrix constructor added
             - Added dual quaternions
         - Scenegraph
             - Extend drawMode Action to include a force mode (forces the given drawmode on all nodes)
         - StatusNode
             - Halfedge Selections
             - Fixed bug accessing element one of empty array
         - TextureNode
             - Enable or disable Mipmapping
         - Transform Node
             - Support planar 2D objects
     - <b>Core</b>
         - About Dialog
             - Added output for cpu information
             - Added output for memory information
             - Added output for os information
         - BaseObject
             - Remove all children from additional node when deleting the subtree(otherwise we get dangling pointers)
             - Function to set drawmode for all child nodes in an object
         - Backup Interface
             - Icons for undo/redo
             - Intorduced backup groups (create groups of changes for undo/redo .. e.g. if multiple objects are involved)
         - Startup
             - Added some functions to check for correct lib versions (prevent linking against newer qt than compile version)
         - Rendering 
             - Sanity Checks for OpenGL Version. Test for GL capabilities on startup.
             - Removed light handling completely ( -> Plugin-TypeLight)
             - Added options to enable or disable mipmapping
             - Set minimal scene size for startup to 10 
             - Implemented zoom to for orthogonal projection mode
             - Added option to set fov for the viewers
             - Added option to directly render depth buffer as image
             - Bugfix (lookat wrong for ortho mode)
             - Bugfix (Wrong parameters when resizing viewer)
             - Improved fly to functions
         - Key Handling
             - Fixed alt-key bug where last mode was not restored correctly on windows
         - Info
             - Show memory usage information in about dialog on linux
         - License Manager
             - Improved license checks
             - Improved license keygen ui
             - Checks cpu as well
         - Load/Save
             - Fixed bug when supported extensions are not parsed correctly
             - Fixed bug when filename extensions with capital letters where not marked as supported
             - Add files opened via commandLine to recent files
             - Fixed bug which overrides colors loaded from files with random colors
             - Fixed bug where objectDeleted(int) was called after the actual object is delete (making it impossible to cleanup on that signal)
             - Fixed bug where objects generated by a plugin could not be saved
             - Fixed bug, where sometimes the save to dialog returned wrong directory and saved to default folder instead
             - Fixed bug, where filenames with multiple dots where not handled correctly
         - Log Window
             - Added filter Menu to disable OpenMesh error messages
         - Options
             - Some gui cleanup for options widget
         - Settings
             - Sanity checks if no default is given for OpenFlipperSettings
         - Scripting
             - Set fovy via scipting
             - set toolbox orientation via scripting
         - Snapshots
             - Remember last states for snapshot dialog
             - Render snapshots offscreen (Arbitrary size)
             - Added option to hide coordsys in snapshots
             - Added options to set background to alpha in snapshots
1045
             - Added option to enable/disable multisampling in snapshots (and adjust number of points used for multisampling)
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             - Improved scripting functions for snapshots
         - PluginConnection Interface
             - Allow to connect signals and slots across plugins
         - Process Interface
             - Show progress dialog centered at corewidget (not anywhere on screen)
         - Toolbox interface 
             - Support icons for toolboxes
         - User Interface
             - Added option to show toolbox on the left
             - Added option to show/hide view mode controls
         - ViewMode Interface
             - Allow setting of viewmodes
     - <b>ObjectTypes</b>
         - MeshObjects 
             - BSP Tree 
                 - Improve cutting planes to speedup search (more balanced tree)
                 - Allow ray intersections for searching in tree (Search for all faces hit by ray)
             - Bugfixes
                 - Fixed wrong lower value computed for bounding boxes (wrong initialization clamping bounding box to upper part of (0.0,0.0,0.0) ) 
         - PolyLineObjects
         - new Skeleton object type
     - <b>New Plugins</b> 
         - Backup
             - Added Backup plugin to free branch
         - FileSKL 
             - Load/Save Skeleton files (skl) 
         - FileBVH
             - Load/Save BVH Skeleton Files (BioVision)
         - Mesh Repair
             - Detect and remove some simple defects on meshes
         - SkeletalAnimation
             - Animates skeletons
         - SkeletonEditing
             - Edit Skeletons
         - Subdivider
             - Added OpenMesh subdivider plugin to the free branch 
         - TypeSkeleton
             - Handles skeleton data type 
     - <b>Plugins</b>
         - DataControl
             - Added Object name and ID display to Datacontrol popup menu
             - Better on/off visualization for light sources
             - Collapse Additional boxes to save space
         - Decimater
             - Support backup plugin ( ->undo )
         - FileOBJ
             - Bugfix for negative indices for vertices
             - Save texxtures and material files
             - Support negative vertex index for spline curves and surfaces
             - Fixed bug reading knot vector in wrong order for spline surfaces
         - FileOFF
             - Bugfix for crash when reading degenerate faces
         - FilePLY
             - Switch to point rendering if only points where read
             - Separate Reader from OpenMesh reader (created a new integrated reader/writer independent of OpenMesh IO)
         - Info
             - Bugfix -> Dihedral angle for quad meshes computed wrong
             - Improved performance when floodfilling mesh in order to count connected components.
         - Light
             - Reduced brightness for default lights (Otherwise colors of objects are almost always white)
             - Added missing Layout to dialog
             - Added missing slot to react on fixed position checkbox change
             - Added functions to rotate and move lights
             - Fixed OpenGL handling of directional light sources
         - Move
             - Support backup plugin ( ->undo )
         - Selection Plugin
             - Added halfedge selection
             - BSplineSurface Knot Selection
             - BSplineSurface Selection
             - Render Selections for BSpline Curve and Surface
         - Smoother
             - Support backup plugin ( ->undo )
         - TextureControl
             - Added min_val parameter additionally to max_val
             - Added histogramm controls
             - Added reader for tga files
         - ViewControl
             - Support Splines
             - Support PolyLines
             - New Scripting Function to set per object drawMode directly
             - Fixed shader assignment
             - Preset buttons for basic viewing directions
     - <b>Documentation</b>
         - More docs for backup interface (incl. Tutorial)
         - Do not include svn, standard build dirs in docs
     - <b>Build System</b>
         - Do not include files starting with a dot when creating build lists
         - Copy qt_menu.nib on mac 
         - Raised qt warning level to 4.8 (4.7 tested on mac ... works)
         - Improved branding support (Including license text for installers)
         - When creating windows bundles, copy dlls required by plugins as well as core libraries (Creates independent bundle)
         - Fixed bug with integration of visual studio redistributable in installers 
         - Don't integrate OpenMesh libs and headers in installer package
         
      


- <b>OpenFlipper 1.0 (  06.23.2010 , 9691 RC7 )</b>
     - <b>Core</b>
         - Added Light source management
             - Added global nodes to handle light sources
             - Internal light handling can now be switched off via pluginfunctions (Used by TypeLight to take control over lights)
         - About Dialog
             - Show information about registered types
             - Show information about glu and glut
         - Process Manager
             - Replaced Mutex by semaphore for waiting that a thread starts (mutex unlock does not work across threads in qt 4.6)
             - Bugfix when using blocking mode for new threads
         - File Dialog
             - Fixed problems with keyboard interaction
         - Scripting
             - Fixed bug with scriptdir not set correctly on command line open
             - Made core.loadObject scriptable (automatically detects right file plugin to load object)
             - Fixed bug in scripted saveObject function where supported type was not correctly detected
             - Fixed bug when converting matrix and vector types between scripting and core
             - New function to add icon for view modes via script
         - Debugging
             - Windows debugging console for cerr and cout when building windows debug version
             - Increased stack frame size when doing debugging.
         - Bugfixes
             - Bugfix for segfault on exit
             - Bugfix for simple viewer and qt 4.6
         - BSP Tree
             - Faster generation
             - Tree, Ray intersection (find closest triangle hit by ray)
         - Plugin Handling
             - Parallel plugin loader (The plugins are preloaded in parallel. This gives a large speedup on startup)  
         - Added a global picking dialog to choose an object an algorithm should work on (OpenFlipper/publicWidgets)
         - Added Function to find the object to a node (Based on BaseObjectData)
         - Introduced update types to control partial uptdates (color,topology,geometry,...)
         - Added region picking functions ( render picking and get a region of the picking )
         - Removed unused update type
         - Sanity checks on startup (Check OpenGL capabilities,library versions)
     - <b>Object Types</b>
         - New Light Object
         - New Sphere Object
         - New BSpline Curve Object
         - New BSpline Surface Object
     - <b>Interfaces</b>
         - BackupInterface
             - Full redesign
             - Multiple restore stages (before, do restore, after restore
             - External restore and backup signals/slots
         - BaseInterface
             - Added a new parameter to updatedObject which defies the update type (e.g. Topology, Geometry, selection)
         - FileInterface
             - Support writing multiple objects into one file
         - TextureInterface
             - updated textureInterface to save textures (including multitextures)
         - PluginFunctions
             - New function to directly set lookAt
             - Improved error handling in some functions
         - ThreadInterface
             - Jobid is now passed to thread and the slots to identify sender
         - Types
             - Added a function to check if types exist
     - <b>UI</b>
         - Improved mouse interaction(translation with middle mouse button is done in world coordinates now)
         - Added Context Menus to view modes (Depending on view mode context menus can be hidden now)
         - Added rotation locking to context menu for view settings.
         - Options
             - Added functions to reset to factory settings
     - <b>ACG</b>
         - Bugfix for glstate functions returning fovy and aspect ratio
         - Added gluError handling function
         - New PICK_SPLINE Pickmode added
         - Draw Modes
             - Fixed bug with increment operator for drawmodes (shift in underlying bitset)
             - Added Cells Draw Mode
         - SceneGraph
             - Fixed picking multipass bug where picking failed when blending or other color changing enter and leave functions where present
         - GlutPrimitive Node
             - Fixed bounding box computation which was centered around origin and not around center of object
             - Now handles multiple primitives in one node( and different colors for each of the primitives)
             - Includes a rotation to set the orientation of the objects
             - DrawMode SOLID_FACES_COLORED supported
         - MaterialNode
             - Add extra class to store all Material Information
         - PointNode
             - Use Vec3d
             - Fixed bug in pointnode double was send to OpenGL as float 
         - LineNode
             - Use Vec3d
         - MeshNode2
             - Fixed bug where stripes are sometimes not updated correctly
             - Fixed pick face bug, where picking buffer was updated to late
             - Fixed bug with point only meshes, where face and edge buffers were accessed but not there.
             - When updating colors, invalidate face and edge buffers too ( otherwise no update is done)
             - Be more carefull and check if mesh properties used for redering vanished between render passes (e.g. textures after restore from backups)
         -QtTranslationManipulatorNode
             - Added possibility to add QVariants to the node
         - SceneGraphWidget
             - Added system to register a widget for new nodes without changing the widget code.
         - Geometry
             - Added more documentation to some algorithms
             - New functions 
                 - Distances to planes
                 - Projections (Point->Triangle, Point->Plane )
                 - Intersection Ray, Axis aligned Bounding Box
                 - Intersection Ray, triangle
             - Quaternions
                 - changed to template Vector function for rotate
                 - disabled matrix constructor
                 - added print_info function
             - Math_Tools/GeometryFunctions.hh integrated into ACG/Geometry/Algorithms.hh
     - <b>New Plugins</b>
         - TypeLight
             - New object type handling light sources
         - TypeSphele
             - Simple sphere type
         - FileLight
             - Support for reading and writing light information
         - Slice
             - Slicing plugin. Adds clipping planes to render only part of the scene
     - <b>Plugins</b>
         - All
             - Converted all plugins to new updatedObject formats
         - Color 
             - Fixed wrong interface definitioni causing plugins not visible in ui menus (Thanks to Sergei Migdalskiy for reporting this bug)
         - DataControl
             - Support for Light sources
             - Fixed Bug where delete key was not catched anymore in QT 4.6
         - FileOFF
             - non-manifold inputs are now duplicated and added as manifold meshes (These duplicates are marked in the OpenMesh status flag) 
         - FileOBJ
             - non-manifold inputs are now duplicated and added as manifold meshes (These duplicates are marked in the OpenMesh status flag) 
         - INI
             - Support Light sources
             - Write material data for all objects with materialnode
         - IsoTropic Remesher
             - Process indicator added
         - Info Plugin
             - Fixed unsigned int/int conversion problem resulting in wrong genus computation
             - Fixed crash when infobar is not setup and objects are created ( fixed by initializing it earlier)
             - Don't output dihedral angles for no or one face
         - Selection
             - Fixed bounding box update for selection sphere
             - emit updatedobject on color change
             - BSpline Selections
             - Scripting for controling current selection mode
         - TextureControl
             - Fixed bug when trying to create textures for lights (?!!)
             - Fixed wrong interface definitioni causing plugins not visible in ui menus (Thanks to Sergei Migdalskiy for reporting this bug)
             - Backup interface support (copy constructors for per object datas and restore functions)
         - Topology Plugin
             - Added missing updates
         - Info Plugin
             - Fixed unsigned int/int conversion problem resulting in wrong genus computation
             - Fixed crash when infobar is not setup and objects are created ( fixed by initializing it earlier)
             - Don't output dihedral angles for no or one face
         - ViewControl
             - Check if types exist before adding context menues (avoids warning)
         - VSI Plugin
             - Fix script generation for qt 4.6 ( in -> input rename as in causes a parse error )
             - Fixed draw errors on zooming
             - Additional Metadata for other algorithms
             - Fixed bug when converting matrix and vector types between scripting and core
     - <b>Documentation</b>
         - Refactored documentation files ( One documentation directory, build targets)
         - Internal help files (qhc) are now searched automatically ( no need to specify at build time anymore!)
         - Added docs for the glstate to describe internal projection matrix construction and parameters
         - Improved Documentation for the process manager
         - Improved building instructions
     - <b>Others</b>
         - Fixed some crashes with Visual Studio 2010 builds (Some may still be there)
     - <b>Build System</b>
         - Added FFTW Finder
         - Added Petsc finder
         - Added a GLUT finder
         - Fixed the library dir in GLEW finder
         - Make windows capable of choosing debug and release version of superlu
         - Build ui files from ObjectTypes (Required to register Widgets to the scenegraph dialog)
         - Branding support (looks in Toplevel/branding for image files)
         - Improved compiler flag settings for unix systems (easier setting of additional compiler flags)
         - Made RELWITHDEBINFO build type working. (Release mode with debug symbols)
         - Added doc target ( For core and plugins )
         - Added search engine to help
         - Tutorial for ViewModeInterface
         - Tutorial for TypeInterface
         - Tutorial for ThreadingInterface
         - Win
             - Fixup Bundle for Windows (Copies required DLLs to the build directory for easy execution)
         - Mac
             - Only build dmg not tgz on mac package on make package 
             - Fixed bug wher Mac bundles did not include the Qt Plugins (missing jpeg support/...)

- <b>OpenFlipper 1.0 RC6 ( 2010/03/17 , 8742 )</b>
     - <b>Core</b>
         - Splitted File Plugins ( Now there are type plugins loaded first to register types and the file plugins to load data)
         - Moved loading code from OpenMesh to file plugins to support multiple data types
         - Changed handling of ObjectSelectionChanged
         - Updated internal types handling (directly initialized by core now) 
         - Handle object tree integration for BaseObjects automatically (No longer necessary to call the setParent Function)
         - selectionChanged, visibilityChanged and objectPropertiesChanged are now handled internally. If One of these changes, the signals
               will be emitted by the core and passed to the plugins.
         - Basic implementation to copy per Object data along with copied object
         - Implemented drag and drop for files to OpenFlipper
         - Fixes for building with QT 4.6
         - Added a map to find objects in the objectTree (large speedup when handling multiple objects)
         - Internal counters for targets, sources and objects avoiding iterations across all objects ( another speedup)
     - <b>Plugin interface changes</b>
             - Changed PluginFunctions to return 0 object for identifier -1
             - Provide a QSettings interface to store per Plugin settings (called OpenFlipperSettings in globaloptions)
             - Core manages objectSelectionChanged, visibilityChanged and objectPropertiesChanged. (Do not emit these signals in your plugin anymore)
             - Added TypeInterface to register types from plugins (These plugins will be loaded first!)
             - Improvements to status bar interface (now accepts arbitrary widgets)
             - Renamed type idList to IdList
             - Process manager added
             - Updated updateObject functionality which can specify the type of updates now
     - <b>DataTypes</b> 
             - Added Plane Datatype and plugin
             - Rewrote the mesh rendering node (now handling textures for poly meshes)
     - <b>Internal changes</b>
             - Updated internal types handling (directly initialized by core now) 
     - <b>UI</b>
             - Updated cursors (new cursors for some modes)
             - Fixed hotspot of some cursors
             - Updated Icons 
                     - New Icons for Object Types (Group,Plane Icon)
                     - Icons for Datacontrol Context Menu
             - Updated About dialog to include used compiler for OpenFlipper
             - Improved logger widget with filtering option
     - <b>Scripting</b>
             - Implimented new datatype representation which is also available in scripting now
     - <b>GL Handling</b>
             - Function to get maximum texture units
     - <b>Plugins</b>
             - File Plugins
                     - New OBJ and OFF readers/writers which are independent of OpenMesh now
                     - OBJ groups
                     - Fixed errors reading OBJ files containing tabs
                     - Basic support for splines and spline surfaces in OBJ files
                     - Support for binary OFF files not following the specification ( without face color index )
             - Choose between opening meshes as triangle or poly mesh
                     - Added a default loading dialog
             - Plugin Info
                     - Shows number of primitives for open objects in the status bar
             - Plugin Datacontrol
                     - Some gui reworks
                     - Use new signal processing correctly
                     - RPC Function for grouping now returns the id of the group
                     - RPC Function to ungroup
             - Plugin Decimater
                     - Enable Normal deviation constraint by default
                     - Correctly set maximum for sliders
             - Plugin IsoTropic Remesher
                     - respect boundaries and edge features
             - Plugin Selection
                     - Create mesh from selection added
             - Plugin Move
                     - Added function to hide Manipulators
                     - Added some Icons
                     - Fixed iterator bug causing slow operations
             - Plugin ViewControl
                     - Don't set draw mode for all nodes
             - Plugin VSI
                     - New Plugin to create scripts via a visual scripting interface
     - <b>ACG</b>
             - Switched Bounding Box action to doubles
             - added Quaternion exponential, logarithm and from_rotation_matrix construction
             - Removed assertions in GLSL Shader Utils and replaced them by warnings (To support graphics cards without shaders)
             - Reimplementation of the drawmode which is now a separate class
     - <b>Build system</b>
             - Finder for libpre
             - Finder for libxml2
             - Updated OpenMesh Finder
             - New Option to enable stl vector checking
             - First tests to enable cross compiling
 
- <b>OpenFlipper 1.0 RC5 ( 10.26.2009, 7508 )</b>
  - <b>UI</b>
    - Updated the view modes
        - added toolbars to view modes
        - New widget for configuring view modes
    - First person navigation mode
        - Added basic implementation for first person navigation in the scene (Keys wasd + mouse)
  - <b>Rendering</b>
    - Support stereo mode for  Philips 42-inch autostereoscopic 3D Displays
  - <b>Plugin interface changes</b>
    - Toolbox interface (Initialize_toolbox is removed. please add the code from this function to initialize plugin and emit addToolbox there)
    - Removed global access header
  - <b>Plugins</b>
    - Plugin Info
        - Updated Info plugin (new user interface and more info about meshes)
    - Plugin Move
        - Only scale manipulators if move plugin is active
        - Fixed normal update in move plugin
        - Fixed multiple connections in move plugin resulting in slow movement
    - Plugin Datacontrol
        - Fixed double entries in datacontrol
    - <b>Internal changes</b>
    - Changed ordering of main scenegraph nodes (and added pluginfunctions to add new nodes)
  - <b>Documentation</b>
    - refactor the documentation
    - adjust to changes
  - <b>Build system</b>
    - Add cmake configurations for object types
    - parse and integrate Qr resource files for plugins
    - Added lib subdirectory which is automatically build when a cmakelists file exists
  - <b>General bugfixes</b>
    - Fixed bug where rotation center and scene center interfered
    - Fixed translation in plane object
  - <b>Internal libs</b>
     - Updated OpenMesh to RC4 

- <b>OpenFlipper 1.0 RC4 ( 09.29.2009 ,7205)</b>
     - Isotropic Remesher Plugin
     - Latest OpenMesh Version
     - Bugfixes


 - <b>OpenFlipper 1.0 RC3 ( 07.10.2009)</b>
     - Switch to cmake
     - Creation of Windows and MacOS Installer files
     - Bugfixes

- <b>OpenFlipper 1.0 RC2 ( 04.19.2009)</b>
  - Cmake support added .. needs more testing

- <b>OpenFlipper 1.0 RC1 ( 03.27.2009 )</b>
  - Initial Release
*/