OMPropertyVisualizerVectorT.cc 22.3 KB
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 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
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#define OM_PROPERTY_VISUALIZER_VECTOR_CC

#include "OMPropertyVisualizerVector.hh"
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#include <ACG/Utils/ColorConversion.hh>
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template <typename MeshT>
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OMPropertyVisualizerVector<MeshT>::OMPropertyVisualizerVector(MeshT* _mesh, int _objectID, PropertyInfo _propertyInfo)
    : OMPropertyVisualizer<MeshT>(_mesh, _objectID, _propertyInfo)
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{
    if (PropertyVisualizer::widget) delete PropertyVisualizer::widget;
    VectorWidget* w = new VectorWidget();
    w->paramVector->setTitle(QString("3D Vector Parameters of ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
    PropertyVisualizer::widget = w;

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    BaseObjectData *bod;
    PluginFunctions::getObject(_objectID, bod);

    lineNode = new ACG::SceneGraph::LineNode( ACG::SceneGraph::LineNode::LineSegmentsMode, bod->baseNode());
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    if (!_propertyInfo.isFaceProp())
    {
        w->vectors_edges_rb->hide();
    }

}

template <typename MeshT>
void OMPropertyVisualizerVector<MeshT>::clear()
{
    lineNode->clear();
    OMPropertyVisualizer<MeshT>::clear();
}

template <typename MeshT>
QString OMPropertyVisualizerVector<MeshT>::getPropertyText(unsigned int index)
{
    return OMPropertyVisualizer<MeshT>::template getPropertyText_<typename MeshT::Point>(index);
}


namespace {

template<typename PROPTYPE, typename MeshT, typename ENTITY_IT, typename PROPINFO_TYPE>
void visualizeVectorAsColorForEntity(MeshT *mesh, const ENTITY_IT e_begin, const ENTITY_IT e_end,
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                                      const PROPINFO_TYPE &propinfo, bool normalized) {
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    PROPTYPE prop;
    if (!mesh->get_property_handle(prop, propinfo.propName()))
        throw VizException("Getting PropHandle from mesh for selected property failed.");
    for (ENTITY_IT e_it = e_begin; e_it != e_end; ++e_it) {
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        using point_t = typename MeshT::Point;
        point_t v = mesh->property(prop, *e_it);
        if (normalized)
            v = v.normalized() * .5 + point_t(.5);
        else
            v = v.min(point_t(1)).max(point_t(0));
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        mesh->set_color(*e_it, typename MeshT::Color(v[0], v[1], v[2], 1.0));
    }
}

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template<typename PROPTYPE, typename MeshT, typename ENTITY_IT, typename PROPINFO_TYPE>
void visualizeVectorLengthAsColorForEntity(
        MeshT *mesh, const ENTITY_IT e_begin, const ENTITY_IT e_end,
        const PROPINFO_TYPE &propinfo) {
    PROPTYPE prop;
    if (!mesh->get_property_handle(prop, propinfo.propName()))
        throw VizException("Getting PropHandle from mesh for selected "
                "property failed.");

    double min =  std::numeric_limits<double>::infinity();
    double max = -std::numeric_limits<double>::infinity();

    for (ENTITY_IT e_it = e_begin; e_it != e_end; ++e_it) {
        const double val = mesh->property(prop, *e_it).norm();
        min = std::min(min, val);
        max = std::max(max, val);
    }

    ACG::ColorCoder color_coder(min, max);

    for (ENTITY_IT e_it = e_begin; e_it != e_end; ++e_it) {
        mesh->set_color(*e_it, color_coder(mesh->property(prop, *e_it).norm()));
    }
}

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}

template <typename MeshT>
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void OMPropertyVisualizerVector<MeshT>::visualizeFaceProp(bool _setDrawMode)
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{
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    VectorWidget* const w = (VectorWidget*)PropertyVisualizer::widget;
    if (w->vectors_edges_rb->isChecked()) {
        visualizeFacePropOnEdges();
    } else if (w->vectors_colors_rb->isChecked() ||
            w->vectors_length_color_rb->isChecked()) {
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        if ( !OMPropertyVisualizer<MeshT>::mesh->has_face_colors() )
            OMPropertyVisualizer<MeshT>::mesh->request_face_colors();
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        if (w->vectors_colors_rb->isChecked()) {
            visualizeVectorAsColorForEntity<OpenMesh::FPropHandleT<typename MeshT::Point> >(
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                    OMPropertyVisualizer<MeshT>::mesh,
                    OMPropertyVisualizer<MeshT>::mesh->faces_begin(),
                    OMPropertyVisualizer<MeshT>::mesh->faces_end(),
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                    PropertyVisualizer::propertyInfo,
                    w->normalize_colors->isChecked());
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        } else {
            visualizeVectorLengthAsColorForEntity<OpenMesh::FPropHandleT<typename MeshT::Point> >(
                    OMPropertyVisualizer<MeshT>::mesh,
                    OMPropertyVisualizer<MeshT>::mesh->faces_begin(),
                    OMPropertyVisualizer<MeshT>::mesh->faces_end(),
                    PropertyVisualizer::propertyInfo);
        }
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        if (_setDrawMode)
            PluginFunctions::setDrawMode(ACG::SceneGraph::DrawModes::SOLID_FACES_COLORED);
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    }
    else visualizeFacePropAsStrokes();
}

template <typename MeshT>
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void OMPropertyVisualizerVector<MeshT>::visualizeEdgeProp(bool _setDrawMode)
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{
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    VectorWidget* const w = (VectorWidget*)PropertyVisualizer::widget;
    if (w->vectors_colors_rb->isChecked() ||
            w->vectors_length_color_rb->isChecked()) {
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        if ( !OMPropertyVisualizer<MeshT>::mesh->has_edge_colors() )
            OMPropertyVisualizer<MeshT>::mesh->request_edge_colors();
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        MeshT* mesh = OMPropertyVisualizer<MeshT>::mesh;
        if ( !mesh->has_edge_colors() )
            mesh->request_edge_colors();
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        if (w->vectors_colors_rb->isChecked()) {
            visualizeVectorAsColorForEntity<
                OpenMesh::EPropHandleT<typename MeshT::Point> >(
                        mesh,
                        mesh->edges_begin(),
                        mesh->edges_end(),
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                        PropertyVisualizer::propertyInfo,
                        w->normalize_colors->isChecked());
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        } else {
            visualizeVectorLengthAsColorForEntity<
                OpenMesh::EPropHandleT<typename MeshT::Point> >(
                        mesh,
                        mesh->edges_begin(),
                        mesh->edges_end(),
                        PropertyVisualizer::propertyInfo);
        }
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        if (_setDrawMode)
            PluginFunctions::setDrawMode(ACG::SceneGraph::DrawModes::EDGES_COLORED);
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    }
    else visualizeEdgePropAsStrokes();
}

template <typename MeshT>
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void OMPropertyVisualizerVector<MeshT>::visualizeHalfedgeProp(bool _setDrawMode)
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{
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    VectorWidget* const w = (VectorWidget*)PropertyVisualizer::widget;
    if (w->vectors_colors_rb->isChecked() ||
            w->vectors_length_color_rb->isChecked()) {
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        if ( !OMPropertyVisualizer<MeshT>::mesh->has_halfedge_colors() )
            OMPropertyVisualizer<MeshT>::mesh->request_halfedge_colors();
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        MeshT* mesh = OMPropertyVisualizer<MeshT>::mesh;
        if ( ! mesh->has_halfedge_colors() )
            mesh->request_halfedge_colors();
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        if (w->vectors_colors_rb->isChecked()) {
            visualizeVectorAsColorForEntity<
                OpenMesh::HPropHandleT<typename MeshT::Point> >(
                        mesh,
                        mesh->halfedges_begin(),
                        mesh->halfedges_end(),
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                        PropertyVisualizer::propertyInfo,
                        w->normalize_colors->isChecked());
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        } else {
            visualizeVectorLengthAsColorForEntity<
                OpenMesh::HPropHandleT<typename MeshT::Point> >(
                        mesh,
                        mesh->halfedges_begin(),
                        mesh->halfedges_end(),
                        PropertyVisualizer::propertyInfo);
        }
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        if (_setDrawMode)
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            PluginFunctions::setDrawMode(
                    ACG::SceneGraph::DrawModes::HALFEDGES_COLORED);
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    }
    else visualizeHalfedgePropAsStrokes();
}

template <typename MeshT>
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void OMPropertyVisualizerVector<MeshT>::visualizeVertexProp(bool _setDrawMode)
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{
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    VectorWidget* const w = (VectorWidget*)PropertyVisualizer::widget;
    if (w->vectors_colors_rb->isChecked() ||
            w->vectors_length_color_rb->isChecked()) {
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        if ( !OMPropertyVisualizer<MeshT>::mesh->has_vertex_colors() )
            OMPropertyVisualizer<MeshT>::mesh->request_vertex_colors();
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        if (w->vectors_colors_rb->isChecked()) {
            visualizeVectorAsColorForEntity<
                OpenMesh::VPropHandleT<typename MeshT::Point> >(
                    OMPropertyVisualizer<MeshT>::mesh,
                    OMPropertyVisualizer<MeshT>::mesh->vertices_begin(),
                    OMPropertyVisualizer<MeshT>::mesh->vertices_end(),
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                    PropertyVisualizer::propertyInfo,
                    w->normalize_colors->isChecked());
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        } else {
            visualizeVectorLengthAsColorForEntity<
                OpenMesh::VPropHandleT<typename MeshT::Point> >(
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                    OMPropertyVisualizer<MeshT>::mesh,
                    OMPropertyVisualizer<MeshT>::mesh->vertices_begin(),
                    OMPropertyVisualizer<MeshT>::mesh->vertices_end(),
                    PropertyVisualizer::propertyInfo);
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        }
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        if (_setDrawMode)
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            PluginFunctions::setDrawMode(
                    ACG::SceneGraph::DrawModes::SOLID_POINTS_COLORED);
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    }
    else visualizeVertexPropAsStrokes();
}

template <typename MeshT>
void OMPropertyVisualizerVector<MeshT>::visualizeFacePropOnEdges() {

    VectorWidget* w = (VectorWidget*)PropertyVisualizer::widget;
    MeshT* _mesh = OMPropertyVisualizer<MeshT>::mesh;


    const double thresh_1 = w->vectors_edges_alpha->value();
    const double thresh_2 = std::min(thresh_1, w->vectors_edges_alpha->value());

    OpenMesh::FPropHandleT<typename MeshT::Point> prop;
    if (!_mesh->get_property_handle(prop, PropertyVisualizer::propertyInfo.propName()))
        throw VizException("Getting PropHandle from mesh for selected property failed.");

    if (!_mesh->has_edge_colors())
        _mesh->request_edge_colors();
    const ACG::Vec4f cold(0, 0, 0, 1.0), hot(0, 1, 0, 1.0), degen(1, 1, 0, 1.0);
    for (typename MeshT::EdgeIter e_it = _mesh->edges_begin(), e_end = _mesh->edges_end();
            e_it != e_end; ++e_it) {
        typename MeshT::Point p1 = _mesh->property(prop, _mesh->face_handle(_mesh->halfedge_handle(*e_it, 0)));
        typename MeshT::Point p2 = _mesh->property(prop, _mesh->face_handle(_mesh->halfedge_handle(*e_it, 1)));

        ACG::Vec4f color;

        const char degenerate = ((p1.sqrnorm() < 1e-6) ? 1 : 0) | ((p2.sqrnorm() < 1e-6) ? 2 : 0);
        if (degenerate == 3) {
            color = cold;
        } else if (degenerate == 0) {
            p1.normalize(); p2.normalize();
            const double alpha = std::min(1.0, std::abs(p1 | p2));
            if (alpha < thresh_1)
                color = hot;
            else if (alpha > thresh_2)
                color = cold;
            else {
                const double beta = (alpha - thresh_1) / (thresh_2 - thresh_1);
                color = cold * beta + hot * (1.0 - beta);
            }
        } else {
            color = degen;
        }
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        _mesh->set_color(*e_it, color);
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    }
    PluginFunctions::setDrawMode(ACG::SceneGraph::DrawModes::SOLID_FLAT_SHADED | ACG::SceneGraph::DrawModes::EDGES_COLORED);
}

template <typename MeshT>
    void OMPropertyVisualizerVector<MeshT>::visualizeFacePropAsStrokes()
    {
    VectorWidget* vectorWidget = static_cast<VectorWidget*>(PropertyVisualizer::widget);

    lineNode->clear();

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    typename MeshT::Color color = ACG::to_Vec4f(vectorWidget->lineColor->color());
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    OpenMesh::FPropHandleT< typename MeshT::Point > prop;

    if ( !OMPropertyVisualizer<MeshT>::mesh->get_property_handle(prop, OMPropertyVisualizer<MeshT>::propertyInfo.propName() ) )
      return;

    for (typename MeshT::FaceIter f_it = OMPropertyVisualizer<MeshT>::mesh->faces_begin() ; f_it != OMPropertyVisualizer<MeshT>::mesh->faces_end() ; ++f_it){

      typename MeshT::Point center(0.0, 0.0, 0.0);
      int vCount = 0;

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      for (typename MeshT::FaceVertexIter fv_it(*(OMPropertyVisualizer<MeshT>::mesh),*f_it); fv_it.is_valid(); ++fv_it){
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        vCount++;
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        center += OMPropertyVisualizer<MeshT>::mesh->point(*fv_it);
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      }

      center /= vCount;

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      typename MeshT::Point v  = (OMPropertyVisualizer<MeshT>::mesh->property(prop, *f_it));
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      if (vectorWidget->normalize->isChecked() && v.sqrnorm() > 1e-12)
        v.normalize();

      if(vectorWidget->scale->isChecked())
        v *= vectorWidget->scaleBox->value();

      lineNode->add_line( center, (center+v) );
      lineNode->add_color(color);
    }
}

template <typename MeshT>
void OMPropertyVisualizerVector<MeshT>::visualizeEdgePropAsStrokes()
{
    VectorWidget* vectorWidget = static_cast<VectorWidget*>(PropertyVisualizer::widget);

    lineNode->clear();

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    typename MeshT::Color color = ACG::to_Vec4f(vectorWidget->lineColor->color());
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    //TODO check if this also works if the property is Vec3f
    OpenMesh::EPropHandleT< typename MeshT::Point > prop;

    if ( !OMPropertyVisualizer<MeshT>::mesh->get_property_handle(prop, OMPropertyVisualizer<MeshT>::propertyInfo.propName() ) )
      return;

    for (typename MeshT::EdgeIter e_it = OMPropertyVisualizer<MeshT>::mesh->edges_begin() ; e_it != OMPropertyVisualizer<MeshT>::mesh->edges_end() ; ++e_it){

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      typename MeshT::HalfedgeHandle hh = OMPropertyVisualizer<MeshT>::mesh->halfedge_handle( *e_it, 0 );
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      typename MeshT::VertexHandle vh0 = OMPropertyVisualizer<MeshT>::mesh->from_vertex_handle( hh );
      typename MeshT::VertexHandle vh1 = OMPropertyVisualizer<MeshT>::mesh->to_vertex_handle( hh );

      typename MeshT::Point v1 = OMPropertyVisualizer<MeshT>::mesh->point(vh0) + 0.5 * (OMPropertyVisualizer<MeshT>::mesh->point(vh1) - OMPropertyVisualizer<MeshT>::mesh->point(vh0));
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      typename MeshT::Point v  = OMPropertyVisualizer<MeshT>::mesh->property(prop, *e_it);
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      if (vectorWidget->normalize->isChecked() && v.sqrnorm() > 1e-12)
        v.normalize();

      if(vectorWidget->scale->isChecked())
        v *= vectorWidget->scaleBox->value();

      lineNode->add_line( v1, (v1+v) );
      lineNode->add_color(color);
    }
}

template <typename MeshT>
void OMPropertyVisualizerVector<MeshT>::visualizeHalfedgePropAsStrokes()
{
    VectorWidget* vectorWidget = static_cast<VectorWidget*>(PropertyVisualizer::widget);

    lineNode->clear();

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    typename MeshT::Color color = ACG::to_Vec4f(vectorWidget->lineColor->color());
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    //TODO check if this also works if the property is Vec3f
    OpenMesh::HPropHandleT< typename MeshT::Point > prop;

    if ( !OMPropertyVisualizer<MeshT>::mesh->get_property_handle(prop, OMPropertyVisualizer<MeshT>::propertyInfo.propName() ) )
      return;

    for (typename MeshT::HalfedgeIter he_it = OMPropertyVisualizer<MeshT>::mesh->halfedges_begin() ; he_it != OMPropertyVisualizer<MeshT>::mesh->halfedges_end() ; ++he_it){

      typename MeshT::VertexHandle vh0 = OMPropertyVisualizer<MeshT>::mesh->from_vertex_handle( *he_it );
      typename MeshT::VertexHandle vh1 = OMPropertyVisualizer<MeshT>::mesh->to_vertex_handle( *he_it );

      typename MeshT::Point v1 = OMPropertyVisualizer<MeshT>::mesh->point(vh0) + 0.5 * (OMPropertyVisualizer<MeshT>::mesh->point(vh1) - OMPropertyVisualizer<MeshT>::mesh->point(vh0));
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      typename MeshT::Point v  = OMPropertyVisualizer<MeshT>::mesh->property(prop, *he_it);
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      if (vectorWidget->normalize->isChecked() && v.sqrnorm() > 1e-12)
        v.normalize();

      if(vectorWidget->scale->isChecked())
        v *= vectorWidget->scaleBox->value();

      lineNode->add_line( v1, (v1+v) );
      lineNode->add_color(color);
    }
}

template <typename MeshT>
void OMPropertyVisualizerVector<MeshT>::visualizeVertexPropAsStrokes()
{
    VectorWidget* vectorWidget = static_cast<VectorWidget*>(PropertyVisualizer::widget);

    lineNode->clear();

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    typename MeshT::Color color = ACG::to_Vec4f(vectorWidget->lineColor->color());
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    //TODO check if this also works if the property is Vec3f
    OpenMesh::VPropHandleT< typename MeshT::Point > prop;

    if ( !OMPropertyVisualizer<MeshT>::mesh->get_property_handle(prop, OMPropertyVisualizer<MeshT>::propertyInfo.propName() ) )
      return;

    for (typename MeshT::VertexIter v_it = OMPropertyVisualizer<MeshT>::mesh->vertices_begin() ; v_it != OMPropertyVisualizer<MeshT>::mesh->vertices_end() ; ++v_it){

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      typename MeshT::Point v1 = OMPropertyVisualizer<MeshT>::mesh->point( *v_it );
      typename MeshT::Point v  = OMPropertyVisualizer<MeshT>::mesh->property(prop, *v_it);
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      if (vectorWidget->normalize->isChecked() && v.sqrnorm() > 1e-12)
        v.normalize();

      if(vectorWidget->scale->isChecked())
        v *= vectorWidget->scaleBox->value();

      lineNode->add_line( v1, (v1+v) );
      lineNode->add_color(color);
    }
}

template <typename MeshT>
void OMPropertyVisualizerVector<MeshT>::setFacePropertyFromText(unsigned int index, QString text)
{
    OpenMesh::FPropHandleT< typename MeshT::Point > prop;
    MeshT* mesh = OMPropertyVisualizer<MeshT>::mesh;

    if ( !mesh->get_property_handle(prop, PropertyVisualizer::propertyInfo.propName() ) )
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        emit this->log(LOGERR, QObject::tr("Error: No property with name ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
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    typename MeshT::FaceHandle fh = mesh->face_handle(index);

    mesh->property(prop, fh) = this->strToVec3d(text);
}

template <typename MeshT>
void OMPropertyVisualizerVector<MeshT>::setEdgePropertyFromText(unsigned int index, QString text)
{
    OpenMesh::EPropHandleT< typename MeshT::Point > prop;
    MeshT* mesh = OMPropertyVisualizer<MeshT>::mesh;

    if ( !mesh->get_property_handle(prop, PropertyVisualizer::propertyInfo.propName() ) )
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        emit this->log(LOGERR, QObject::tr("Error: No property with name ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
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    typename MeshT::EdgeHandle eh = mesh->edge_handle(index);

    mesh->property(prop, eh) = this->strToVec3d(text);
}

template <typename MeshT>
void OMPropertyVisualizerVector<MeshT>::setHalfedgePropertyFromText(unsigned int index, QString text)
{
    OpenMesh::HPropHandleT< typename MeshT::Point > prop;
    MeshT* mesh = OMPropertyVisualizer<MeshT>::mesh;

    if ( !mesh->get_property_handle(prop, PropertyVisualizer::propertyInfo.propName() ) )
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        emit this->log(LOGERR, QObject::tr("Error: No property with name ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
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    typename MeshT::HalfedgeHandle heh = mesh->halfedge_handle(index);

    mesh->property(prop, heh) = this->strToVec3d(text);
}

template <typename MeshT>
void OMPropertyVisualizerVector<MeshT>::setVertexPropertyFromText(unsigned int index, QString text)
{
    OpenMesh::VPropHandleT< typename MeshT::Point > prop;
    MeshT* mesh = OMPropertyVisualizer<MeshT>::mesh;

    if ( !mesh->get_property_handle(prop, PropertyVisualizer::propertyInfo.propName() ) )
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        emit this->log(LOGERR, QObject::tr("Error: No property with name ").append(PropertyVisualizer::propertyInfo.propName().c_str()));
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    typename MeshT::VertexHandle vh = mesh->vertex_handle(index);

    mesh->property(prop, vh) = this->strToVec3d(text);
}


template<typename MeshT>
void OMPropertyVisualizerVector<MeshT>::removeProperty()
{
    OMPropertyVisualizer<MeshT>::template removeProperty_stage1<typename MeshT::Point>();
}

template<typename MeshT>
void OMPropertyVisualizerVector<MeshT>::duplicateProperty()
{
    OMPropertyVisualizer<MeshT>::template duplicateProperty_stage1<typename MeshT::Point>();
}