newfaces[i] = (cc, cc+1, cc+2, cc+3)
cc = cc+4
me = bpy.data.meshes.new(meshname+"Mesh")
ob = bpy.data.objects.new(meshname,me)
ob.location = meshlocation # position object at 3d-cursor
bpy.context.scene.objects.link(ob) # Link object to scene
# Fill the mesh with verts, edges, faces
me.from_pydata(vertices.tolist(),[],newfaces.tolist())
me.update(calc_edges=True) # Update mesh with new data
# materials woop woop!
obj = bpy.data.objects[meshname]
bpy.context.scene.objects.active=obj
for i in range(0,len(colors)):
mat = makeMaterial(meshname+str(i)+'_'+str(plot_index),
(colors[i][0],colors[i][1],colors[i][2]),
(1,1,1), 1.0, 0.0)
setMaterial(obj,mat)
fnum = 0
for p in range(0,len(line_pts)-1):
for i in range(0,nfaces):
me.polygons[fnum].material_index = colorindex[p]
fnum += 1
## now, do individual mat indecies
#for i in range(0,len(newfaces)):
# me.polygons[i].material_index = colorindex[i]
if not tubemesh.vertex_colors:
tubemesh.vertex_colors.new()
color_layer = tubemesh.vertex_colors["Col"]
i=0
for poly in tubemesh.polygons:
#rgb = [random.random() for ii in range(3)]
xyz = tubemesh.vertices[0].co
for idx in poly.loop_indices:
color_layer.data[i].color = rgb
i += 1
# set to vertex paint mode to see the result ... don't need to do this once we map vertex paint
#bpy.ops.object.mode_set(mode='VERTEX_PAINT')
# NOTE!!!! YOU WILL HAVE TO HAVE "render" OR "Material" view set!!!
# note, to render this, we have to do:
matName = tube.name + 'c'
color = (1,1,1)
mat = science.makeMaterial(matName, color, (1,1,1), 1.0, 1.0)
mat.use_vertex_color_paint = True
science.setMaterial(tube,mat) # sets everything to material 0 by default
# check out: http://blenderscripting.blogspot.com/2014/02/3d-tube-from-points.html
# for particles check out: http://yt-project.org/doc/analyzing/analysis_modules/particle_trajectories.html#particle-trajectories
# may or maynot be useful: http://blenderscripting.blogspot.com/2013/03/painting-vertex-color-map-using.html, http://blenderartists.org/forum/showthread.php?190693-Setting-Vertex-Color-via-Python, http://www.blender.org/api/blender_python_api_2_63_2/bpy.types.Mesh.html
# make a material mat = bpy.data.materials.new(mat_name) mat.type = 'VOLUME' mat.volume.density = 0.0 # lower? mat.volume.density_scale = 1.0 # upper in the slice plot mat.volume.scattering = 0.5 # look far in mat.volume.emission = 5.0 # super bright mat.transparency_method = 'Z_TRANSPARENCY' # this makes things pretty mat.use_full_oversampling = True mat.use_mist = True mat.volume.step_method = 'CONSTANT' # for pretty too setMaterial(bpy.data.objects['Cube'], mat) # Create texture from image sequence mtex = mat.texture_slots.add() mat.active_texture_index = 0 # this should work but it doesnt right now... tex = bpy.data.textures.new(tex_name, type = 'VOXEL_DATA') mat.active_texture = tex tex.use_color_ramp = True tex.voxel_data.file_format = 'BLENDER_VOXEL' #tex.voxel_data.file_format = 'SMOKE' #tex.voxel_data.file_format = 'IMAGE_SEQUENCE'
bpy.context.scene.objects.link(ob) # Link object to scene
coords = [(0, 0, 0)]
me.from_pydata(coords, [], [])
ob.location = (0, 0, 0)
ob = bpy.data.objects['particle_' + fname] # select right object
science.deselect_all()
ob.select = True
bpy.context.scene.objects.active = ob
mat = science.makeMaterial(
'particle_' + str(ind),
(colors[0][ind], colors[1][ind], colors[2][ind]), (1, 1, 1),
1.0,
1.0,
mat_type='HALO',
halo_size=halo_size)
science.setMaterial(ob, mat)
# add in verts
bpy.ops.object.mode_set(mode='EDIT') # toggle to edit mode
bm = bmesh.from_edit_mesh(ob.data)
# now, find all verts with this color index (ind)
# move original vertex to actual location
bm.verts[0].co = (xcoord[cl[0]] * scale[0][0],
ycoord[cl[0]] * scale[0][1],
zcoord[cl[0]] * scale[0][2])
for i in range(1, len(xcoord[cl])):
bm.verts.new(
(xcoord[cl[i]] * scale[0][0], ycoord[cl[i]] * scale[0][1],
zcoord[cl[i]] * scale[0][2]))
bmesh.update_edit_mesh(ob.data)
bpy.ops.object.mode_set(mode='OBJECT')
def voxelcube(name='Cube000',
left_edge=[0, 0, 0.],
right_edge=[1, 1, 1],
array=[0, 0, 0],
res=(0, 0, 0)):
# do this to start from clean slate
from science import delete_object
for ob in bpy.data.objects:
if ob.name == 'Cube':
delete_object('Cube')
mat_name = name + 'Mat'
tex_name = name + 'CubeTex'
# first create but if it does exist
flagg = True
# do we have cube?
for ob in bpy.data.objects:
if ob.name == 'Cube':
flagg = False
if flagg:
bpy.ops.mesh.primitive_cube_add(radius=1.0)
bpy.data.objects['Cube'].name = name
# put it in the center
bpy.data.objects[name].location = ((right_edge[0] + left_edge[0]) * 0.5,
(right_edge[1] + left_edge[1]) * 0.5,
(right_edge[2] + left_edge[2]) * 0.5)
bpy.data.objects[name].scale = ((right_edge[0] - left_edge[0]) * 0.5,
(right_edge[1] - left_edge[1]) * 0.5,
(right_edge[2] - left_edge[2]) * 0.5)
# make a material
mat = bpy.data.materials.new(mat_name)
mat.type = 'VOLUME'
mat.volume.density = 0.0 # lower?
mat.volume.density_scale = 1.0 # upper in the slice plot
mat.volume.scattering = 0.5
mat.volume.emission = 5.0
mat.transparency_method = 'Z_TRANSPARENCY'
mat.use_full_oversampling = True
mat.use_mist = True
mat.volume.step_method = 'CONSTANT'
setMaterial(bpy.data.objects[name], mat)
# Create texture from image sequence
mtex = mat.texture_slots.add()
mat.active_texture_index = 0
tex = bpy.data.textures.new(tex_name, type='VOXEL_DATA')
mat.active_texture = tex
tex.use_color_ramp = True
tex.voxel_data.file_format = 'BLENDER_VOXEL'
# now, lets try to re-norm the min and max of the transfer function
tex.color_ramp.elements[0].color = (0, 0, 0, array.min())
tex.color_ramp.elements[1].color = (1, 1, 1, array.max())
print(tex.color_ramp.elements[0].color[:])
mat.texture_slots[0].texture_coords = 'ORCO' # generated coords
mat.texture_slots[0].mapping = 'CUBE' # map to a cube
# NO idea
ts = mat.texture_slots[0]
ts.use_map_density = True
ts.density_factor = 1.0
ts.use_map_emission = True
ts.emission_factor = 1.0
ts.use_map_color_emission = True
ts.emission_color_factor = 1.0
for i in range(3):
tex.voxel_data.resolution[i] = res[i]
vdp = ctypes.cast(bpy.data.textures[tex_name].voxel_data.as_pointer(),
ctypes.POINTER(VoxelData))
arr = (ctypes.c_float * array.size)()
arr2 = np.ctypeslib.as_array(arr, array.shape)
arr2[:] = array.flat[:]
vdp.contents.dataset = ctypes.cast(arr, ctypes.POINTER(ctypes.c_float))
vdp.contents.ok = 1
vdp.contents.cachedframe = bpy.context.scene.frame_current
if show_annotations:
area.spaces.active.image = image2
else:
area.spaces.active.image = image
elif area.type == 'VIEW_3D': # make sure material/render view is on
for space in area.spaces:
if space.type == 'VIEW_3D':
if (space.viewport_shade !=
'RENDERED') and (space.viewport_shade != 'MATERIAL'):
space.viewport_shade = 'RENDERED' # material is too slow
# also, attach to the projection in the blender 3d window
# now, set color
figmat = makeMaterial(image_name, (0, 0, 0), (1, 1, 1), 1.0,
0.0) # no emissivity or transperency for now
setMaterial(bpy.data.objects[image_name], figmat)
# also, make shadeless
bpy.data.materials[image_name].use_shadeless = True
# Create image texture from image
cTex = bpy.data.textures.new(image_name, type='IMAGE')
cTex.image = image
# Add texture slot for color texture
mat = bpy.data.materials[image_name]
mtex = mat.texture_slots.add()
mtex.texture = cTex
#mtex.texture_coords = 'UV'
mtex.texture_coords = 'OBJECT' # this seems to work better for figures, but certainly needs to be tested
mtex.use_map_color_diffuse = True
mtex.use_map_color_emission = True
mtex.emission_color_factor = 0.5