diff --git a/render_povray/render.py b/render_povray/render.py
index 5e7a9393aff6e642ec2bc6c44768dd8778b802b2..f432504e3f3ff4016772ee20189b87c996fd5624 100644
--- a/render_povray/render.py
+++ b/render_povray/render.py
@@ -594,69 +594,69 @@ def write_pov(filename, scene=None, info_callback=None):
for ob in metas:
meta = ob.data
- importance=ob.pov_importance_value
- tabWrite('blob {\n')
- tabWrite('threshold %.4g\n' % meta.threshold)
+ # important because no elements will break parsing.
+ elements = [elem for elem in meta.elements if elem.type in ('BALL', 'ELLIPSOID')]
- try:
- material = meta.materials[0] # lame! - blender cant do enything else.
- except:
- material = None
+ if elements:
+ tabWrite('blob {\n')
+ tabWrite('threshold %.4g\n' % meta.threshold)
+ importance = ob.pov_importance_value
- for elem in meta.elements:
+ try:
+ material = meta.materials[0] # lame! - blender cant do enything else.
+ except:
+ material = None
- if elem.type not in ('BALL', 'ELLIPSOID'):
- continue # Not supported
+ for elem in elements:
+ loc = elem.co
- loc = elem.co
+ stiffness = elem.stiffness
+ if elem.use_negative:
+ stiffness = - stiffness
- stiffness = elem.stiffness
- if elem.use_negative:
- stiffness = - stiffness
+ if elem.type == 'BALL':
- if elem.type == 'BALL':
+ tabWrite('sphere { <%.6g, %.6g, %.6g>, %.4g, %.4g }\n' % (loc.x, loc.y, loc.z, elem.radius, stiffness))
- tabWrite('sphere { <%.6g, %.6g, %.6g>, %.4g, %.4g }\n' % (loc.x, loc.y, loc.z, elem.radius, stiffness))
+ # After this wecould do something simple like...
+ # 'pigment {Blue} }'
+ # except we'll write the color
- # After this wecould do something simple like...
- # 'pigment {Blue} }'
- # except we'll write the color
+ elif elem.type == 'ELLIPSOID':
+ # location is modified by scale
+ tabWrite('sphere { <%.6g, %.6g, %.6g>, %.4g, %.4g }\n' % (loc.x / elem.size_x, loc.y / elem.size_y, loc.z / elem.size_z, elem.radius, stiffness))
+ tabWrite('scale <%.6g, %.6g, %.6g> \n' % (elem.size_x, elem.size_y, elem.size_z))
- elif elem.type == 'ELLIPSOID':
- # location is modified by scale
- tabWrite('sphere { <%.6g, %.6g, %.6g>, %.4g, %.4g }\n' % (loc.x / elem.size_x, loc.y / elem.size_y, loc.z / elem.size_z, elem.radius, stiffness))
- tabWrite('scale <%.6g, %.6g, %.6g> \n' % (elem.size_x, elem.size_y, elem.size_z))
+ if material:
+ diffuse_color = material.diffuse_color
- if material:
- diffuse_color = material.diffuse_color
-
- if material.use_transparency and material.transparency_method == 'RAYTRACE':
- trans = 1.0 - material.raytrace_transparency.filter
- else:
- trans = 0.0
+ if material.use_transparency and material.transparency_method == 'RAYTRACE':
+ trans = 1.0 - material.raytrace_transparency.filter
+ else:
+ trans = 0.0
- material_finish = materialNames[material.name]
+ material_finish = materialNames[material.name]
- tabWrite('pigment {rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>} \n' %(diffuse_color[0], diffuse_color[1], diffuse_color[2], 1.0 - material.alpha, trans, ))
- tabWrite('finish {%s}\n' % safety(material_finish, Level=2))
-
+ tabWrite('pigment {rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>} \n' %(diffuse_color[0], diffuse_color[1], diffuse_color[2], 1.0 - material.alpha, trans, ))
+ tabWrite('finish {%s}\n' % safety(material_finish, Level=2))
+
- else:
- tabWrite('pigment {rgb<1 1 1>} \n')
- tabWrite('finish {%s}\n' % (safety(DEF_MAT_NAME, Level=1))) # Write the finish last.
+ else:
+ tabWrite('pigment {rgb<1 1 1>} \n')
+ tabWrite('finish {%s}\n' % (safety(DEF_MAT_NAME, Level=1))) # Write the finish last.
- writeObjectMaterial(material)
+ writeObjectMaterial(material)
- writeMatrix(global_matrix * ob.matrix_world)
- #Importance for radiosity sampling added here:
- tabWrite('radiosity { \n')
- tabWrite('importance %3g \n' % importance)
- tabWrite('}\n')
-
- tabWrite('}\n') #End of Metaball block
+ writeMatrix(global_matrix * ob.matrix_world)
+ #Importance for radiosity sampling added here:
+ tabWrite('radiosity { \n')
+ tabWrite('importance %3g \n' % importance)
+ tabWrite('}\n')
+
+ tabWrite('}\n') #End of Metaball block
- if scene.pov_comments_enable and len(metas)>= 1: file.write('\n')
+ if scene.pov_comments_enable and len(metas)>= 1: file.write('\n')
objectNames = {}
DEF_OBJ_NAME = 'Default'
@@ -674,16 +674,19 @@ def write_pov(filename, scene=None, info_callback=None):
name_orig = DEF_OBJ_NAME
name = objectNames[name_orig] = uniqueName(bpy.path.clean_name(name_orig), objectNames)
#############################################
- if ob.type in ('LAMP', 'CAMERA', 'EMPTY', 'META', 'ARMATURE', 'LATTICE', 'CURVE'):
+ if ob.type in ('LAMP', 'CAMERA', 'EMPTY', 'META', 'ARMATURE', 'LATTICE'):
+ continue
+
+ try:
+ me = ob.create_mesh(scene, True, 'RENDER')
+ except:
+ # happens when curves cant be made into meshes because of no-data
continue
- me = ob.data
- importance=ob.pov_importance_value
+ importance = ob.pov_importance_value
me_materials = me.materials
me_faces = me.faces[:]
- me = ob.create_mesh(scene, True, 'RENDER')
-
if not me or not me_faces:
continue