def main():
# Checks if selected object is valid
if op is None:
raise ValueError("op is none, please select one object.")
# Retrieves the Vertex Color Tag
tag = op.GetTag(c4d.Tvertexcolor)
if tag is None:
raise TypeError("Failed to retrieve the vertex tag color.")
# Checks in Point mode
if not tag.IsPerPointColor():
# If not changes to Point mode
tag.SetPerPointMode(True)
# Obtains vertex colors data R/W addresses
addrR = tag.GetDataAddressR()
addrW = tag.GetDataAddressW()
# Initializes black and red colors
black = c4d.Vector4d(0, 0, 0, 1)
red = c4d.Vector4d(1, 0, 0, 1)
# By default the Vertex Color Tag is in Point mode
# So GetDataCount() returns the number of points
count = tag.GetDataCount()
for idx in range(count):
# If point color is black then changes it to red
point = c4d.VertexColorTag.GetPoint(addrR, None, None, idx)
if point == black:
c4d.VertexColorTag.SetPoint(addrW, None, None, idx, red)
# Pushes an update event to Cinema 4D
c4d.EventAdd()
def main():
# Checks if there is an active object
if op is None: return
# Retrieves the Vertex Color Tag
tag = op.GetTag(c4d.Tvertexcolor)
if tag is None: return
# Checks in Point mode
if not tag.IsPerPointColor():
# If not changes to Point mode
tag.SetPerPointMode(True)
# Obtains vertex colors data R/W addresses
addrR = tag.GetDataAddressR()
addrW = tag.GetDataAddressW()
# Initializes black and red colors
black = c4d.Vector4d(0, 0, 0, 0)
red = c4d.Vector4d(1, 0, 0, 0)
# By default the Vertex Color Tag is in Point mode
# So GetDataCount() returns the number of points
count = tag.GetDataCount()
for idx in xrange(count):
# If point color is black then changes it to red
point = VertexColorTag.GetPoint(addrR, None, None, idx)
if point == black:
VertexColorTag.SetPoint(addrW, None, None, idx, red)
c4d.EventAdd()
def main():
# Checks if there is an active object
if op is None: return
# Retrieves Vertex Color Tag
tag = op.GetTag(c4d.Tvertexcolor)
if tag is None: return
# Checks in Point mode
if tag.IsPerPointColor():
# If not changes to Polygon mode
tag.SetPerPointMode(False)
# Obtains Vertex Colors data address
addr = tag.GetDataAddressW()
# Initializes red color and Vertex Colors polygon
red = c4d.Vector4d(1, 0, 0, 0)
poly = {}
poly['a'] = red
poly['b'] = red
poly['c'] = red
poly['d'] = red
# GetDataCount() returns the number of polygons in Polygon mode
count = tag.GetDataCount()
for idx in xrange(count):
# Sets Vertex Colors red
VertexColorTag.SetPolygon(addr, idx, poly)
c4d.EventAdd()
def parse_vertex_colors(index, c4d_mesh):
colors = []
color_key = 'COLOR_{}'.format(index)
colortag = None
if color_key in prim.attributes:
colors = BinaryData.get_data_from_accessor(
gltf, prim.attributes[color_key])
if colors:
nb_verts = len(verts)
colortag = c4d.VertexColorTag(nb_verts)
colortag.SetPerPointMode(True)
colortag.SetName(color_key)
vtx_color_data = colortag.GetDataAddressW()
has_alpha = len(colors[0]) > 3
for i in range(nb_verts):
c4d.VertexColorTag.SetPoint(
vtx_color_data, None, None, i,
c4d.Vector4d(colors[i][0], colors[i][1],
colors[i][2],
colors[i][3] if has_alpha else 1.0))
c4d_mesh.InsertTag(colortag)
self.has_vertex_colors = True
return colortag
def main():
# Checks if selected object is valid
if op is None:
raise ValueError("op is none, please select one object.")
# Retrieves the Vertex Color Tag
tag = op.GetTag(c4d.Tvertexcolor)
if tag is None:
raise TypeError("Failed to retrieve the vertex tag color.")
# Checks in Point mode
if tag.IsPerPointColor():
# If not changes to Polygon mode
tag.SetPerPointMode(False)
# Obtains Vertex Colors data address
addr = tag.GetDataAddressW()
# Initializes red color and Vertex Colors polygon
red = c4d.Vector4d(1, 0, 0, 1)
poly = dict()
poly['a'] = red
poly['b'] = red
poly['c'] = red
poly['d'] = red
# GetDataCount() returns the number of polygons in Polygon mode
count = tag.GetDataCount()
for idx in range(count):
# Sets Vertex Colors red
c4d.VertexColorTag.SetPolygon(addr, idx, poly)
# Pushes an update event to Cinema 4D
c4d.EventAdd()
def main():
# Opens a Dialog to choose a picture file
bitmapPath = c4d.storage.LoadDialog(type=c4d.FILESELECTTYPE_IMAGES, title="Please Choose an Image:")
if not bitmapPath:
return
# Loads the picture as a BaseBitmap
bmp = c4d.bitmaps.BaseBitmap()
if bmp.InitWith(bitmapPath)[0] != c4d.IMAGERESULT_OK:
raise RuntimeError("Failed to load the Picture")
# Retrieves a GeClipMap multiplied with a color. Value are from 0 to 255 for red, blue, green, alpha
geClip = FillBitmapWithColor(bmp, c4d.Vector4d(100.0, 0.0, 0, 100.0))
# Displays the Bitmap stored in the GeClipMap into the Picture Viewer
c4d.bitmaps.ShowBitmap(geClip.GetBitmap())
