add line_width option for wireframe rendering with faces

threevis/context.py

@@ -52,7 +52,7 @@ class Context(object):
         obj.prepare_render()
 
         if isinstance(obj, Mesh):
-            return self.draw_faces(obj.vertices, obj.tri_face_indices, obj.normals, obj.colors, obj.uvs, shading, z_offset, texture, clipping_planes)
+            return self.draw_faces(obj.vertices, obj.tri_face_indices, obj.normals, obj.colors, obj.uvs, shading, z_offset, texture, line_width, clipping_planes)
         elif isinstance(obj, EdgeList):
             return self.draw_edges(obj.vertices, obj.edge_indices, obj.colors, obj.uvs, z_offset, texture, line_width, clipping_planes)
         elif isinstance(obj, PointList):
@@ -63,7 +63,7 @@ class Context(object):
 
 
     def draw_faces(self, vertices, face_indices, normals=None, colors=None, uvs=None,
-                   shading='flat', z_offset=0.5, texture=None, clipping_planes = []):
+                   shading='flat', z_offset=0.5, texture=None, line_width=1., clipping_planes = []):
         """
         Draw a triangle mesh described by a list of vertex positions and face indices.
         face_indices is expected to be a n x 3 matrix.
@@ -89,6 +89,7 @@ class Context(object):
             mat.clippingPlanes = tuple(clipping_planes)
 
         mat.wireframe = shading is 'wireframe'
+        mat.wireframeLinewidth = line_width
         mat.map = texture
 
         if z_offset is not 0:

threevis/immediate.py

@@ -5,9 +5,9 @@ Immediate drawing without explicitely creating a context.
 from .context import Context
 
 def display_faces(vertices, face_indices, normals=None, colors=None, uvs=None,
-                  shading='flat', z_offset=0.5, texture=None, width=600, height=400,
+                  shading='flat', z_offset=0.5, texture=None, line_width=1, width=600, height=400,
                   background_color = '#dddddd', clipping_planes = [], show_bounds = False):
-    Context(width, height, background_color).draw_faces(vertices, face_indices, normals, colors, uvs, shading, z_offset, texture, clipping_planes).set_bounds(show_bounds).display()
+    Context(width, height, background_color).draw_faces(vertices, face_indices, normals, colors, uvs, shading, z_offset, texture, line_width, clipping_planes).set_bounds(show_bounds).display()
 
 def display_edges(vertices, edge_indices=None, colors=None, uvs=None,
                   z_offset=0, texture=None, line_width=1, width=600, height=400,
@@ -22,4 +22,4 @@ def display_vertices(vertices, colors=None, uvs=None, point_size=1, z_offset=0,
 def display(obj, shading='flat', point_size=1, z_offset=0, texture=None,
             perspective=False, width=600, height=400,
             background_color = '#dddddd', clipping_planes = [], show_bounds = False):
-    Context(width, height, background_color).draw(obj, shading= shading, point_size = point_size, z_offset= z_offset, texture = texture, perspective = perspective, clipping_planes = clipping_planes).set_bounds(show_bounds).display()
\ No newline at end of file
+    Context(width, height, background_color).draw(obj, shading= shading, point_size = point_size, z_offset= z_offset, texture = texture, perspective = perspective, clipping_planes = clipping_planes).set_bounds(show_bounds).display()