def polygonToVolume(obj):
# Checks if the input obj is a PolygonObject
if not obj.IsInstanceOf(c4d.Opolygon):
raise TypeError("obj is not a c4d.Opolygon.")
# Retrieves the world matrices of the object
matrix = obj.GetMg()
# Creates a BaseArray (list) of all points position in world space
vertices = maxon.BaseArray(maxon.Vector)
vertices.Resize(obj.GetPointCount())
for i, pt in enumerate(obj.GetAllPoints()):
vertices[i] = pt * matrix
# Sets polygons
polygons = maxon.BaseArray(maxon.frameworks.volume.VolumeConversionPolygon)
polygons.Resize(obj.GetPolygonCount())
for i, poly in enumerate(obj.GetAllPolygons()):
newPoly = maxon.frameworks.volume.VolumeConversionPolygon()
newPoly.a = poly.a
newPoly.b = poly.b
newPoly.c = poly.c
if poly.IsTriangle():
newPoly.SetTriangle()
else:
newPoly.d = poly.d
polygons[i] = newPoly
polygonObjectMatrix = maxon.Matrix()
polygonObjectMatrix.off = obj.GetMg().off
polygonObjectMatrix.v1 = obj.GetMg().v1
polygonObjectMatrix.v2 = obj.GetMg().v2
polygonObjectMatrix.v3 = obj.GetMg().v3
gridSize = 10
bandWidthInterior = 1
bandWidthExterior = 1
thread = maxon.ThreadRef()
# Before R21
if c4d.GetC4DVersion() < 21000:
volumeRef = maxon.frameworks.volume.VolumeToolsInterface.MeshToVolume(
vertices, polygons, polygonObjectMatrix, gridSize,
bandWidthInterior, bandWidthExterior, thread, None)
else:
volumeRef = maxon.frameworks.volume.VolumeToolsInterface.MeshToVolume(
vertices, polygons, polygonObjectMatrix, gridSize,
bandWidthInterior, bandWidthExterior, thread,
maxon.POLYGONCONVERSIONFLAGS.NONE, None)
return volumeRef
def main():
# Gets selected objects
objList = doc.GetActiveObjects(c4d.GETACTIVEOBJECTFLAGS_0)
if not objList:
raise RuntimeError("Failed to retrieve selected objects")
# Opens a LoadDialog to define the path of the VDB file to save
filePath = c4d.storage.SaveDialog()
# Leaves if nothing was selected
if not filePath:
return
# Add the vdb extension if needed
if not filePath.endswith(".vdb"):
filePath += ".vdb"
# Creates a maxon.BaseArray with all our obj, we want to convert
volumesArray = maxon.BaseArray(maxon.frameworks.volume.VolumeRef)
volumesArray.Resize(len(objList))
for i, obj in enumerate(objList):
volumesArray[i] = polygonToVolume(obj)
# Generates the final file path to save the vdb
path = maxon.Url(filePath)
scale = 1.0
metaData = maxon.DataDictionary()
try:
maxon.frameworks.volume.VolumeToolsInterface.SaveVDBFile(
path, scale, volumesArray, metaData)
except IOError:
raise IOError("Failed to Save the VDB file.")
print("File saved to ", path)
def main():
# Creates a BaseArray of a maxon.Int
intArray = maxon.BaseArray(maxon.Int)
# Resizes the BaseArray
intArray.Resize(10)
# Iterates over the BaseArray and assign values
for i in xrange(len(intArray)):
intArray[i] = i
print intArray[i]
def main():
# Retrieves a path to load the imported file
selectedFile = c4d.storage.LoadDialog(title="Load File for Volume Import",
type=c4d.FILESELECTTYPE_ANYTHING,
force_suffix="vdb")
if not selectedFile:
return
# Define the path of the file.vdb located in the same folder of this script
path = maxon.Url(selectedFile)
# Try to load the VDB File, and apply a Scale of 1 to this VDB
scale = 1.0
gridNames = maxon.BaseArray(maxon.String)
gridIndices = None
metaData = maxon.DataDictionary()
volumeArr = None
try:
volumeArr = maxon.frameworks.volume.VolumeToolsInterface.LoadVDBFile(
path, scale, gridNames, gridIndices, metaData)
except Exception as e:
print("LoadVDBFile error {}, {}".format(e, e.args))
if volumeArr is None:
raise RuntimeError("Unknown error.")
if len(volumeArr) == 0:
raise RuntimeError("Selected Vdb store 0 volume.")
# Retrieves the first volume
volRef = volumeArr[0]
# Creates a Volume Object to store the previous volume calculated
volumeObj = c4d.BaseObject(c4d.Ovolume)
if volumeObj is None:
raise MemoryError("Failed to create a volume object.")
doc.InsertObject(volumeObj)
volumeObj.SetVolume(volRef)
# Pushes an update event to Cinema 4D
c4d.EventAdd()
def main():
# Gets selected objects
objList = doc.GetActiveObjects(c4d.GETACTIVEOBJECTFLAGS_0)
if not objList:
raise RuntimeError("Failed to retrieve selected objects")
# Creates a maxon.BaseArray with all our obj, we want to convert
volumesArray = maxon.BaseArray(maxon.frameworks.volume.VolumeRef)
volumesArray.Resize(len(objList))
for i, obj in enumerate(objList):
volumesArray[i] = polygonToVolume(obj)
try:
# Generates the final file path to save the vdb
path = maxon.Url(os.path.join(os.path.dirname(__file__), "file.vdb"))
scale = 1.0
metaData = maxon.DataDictionary()
maxon.frameworks.volume.VolumeToolsInterface.SaveVDBFile(
path, scale, volumesArray, metaData)
print "File saved to ", path
except Exception as e:
print "SaveVDBFile error {}, {}".format(e.message, e.args)
def main():
# Checks if there is an active object
if op is None:
raise ValueError("op is None, please select one object.")
# Checks if the input obj is a PolygonObject
if not op.IsInstanceOf(c4d.Opolygon):
raise TypeError("obj is not a c4d.Opolygon.")
# Retrieves the world matrices of the object
matrix = op.GetMg()
# Creates a BaseArray (list) of all points position in world space
vertices = maxon.BaseArray(maxon.Vector)
vertices.Resize(op.GetPointCount())
for i, pt in enumerate(op.GetAllPoints()):
vertices[i] = pt * matrix
# Sets polygons
polygons = maxon.BaseArray(maxon.frameworks.volume.VolumeConversionPolygon)
polygons.Resize(op.GetPolygonCount())
for i, poly in enumerate(op.GetAllPolygons()):
newPoly = maxon.frameworks.volume.VolumeConversionPolygon()
newPoly.a = poly.a
newPoly.b = poly.b
newPoly.c = poly.c
if poly.IsTriangle():
newPoly.SetTriangle()
else:
newPoly.d = poly.d
polygons[i] = newPoly
polygonObjectMatrix = maxon.Matrix()
gridSize = 10
bandWidthInterior = 1
bandWidthExterior = 1
# Converts the polygon into a volume
# Before R21
if c4d.GetC4DVersion() < 21000:
volumeRef = maxon.frameworks.volume.VolumeToolsInterface.MeshToVolume(
vertices, polygons, polygonObjectMatrix, gridSize,
bandWidthInterior, bandWidthExterior, maxon.ThreadRef(), None)
else:
volumeRef = maxon.frameworks.volume.VolumeToolsInterface.MeshToVolume(
vertices, polygons, polygonObjectMatrix, gridSize,
bandWidthInterior, bandWidthExterior, maxon.ThreadRef(),
maxon.POLYGONCONVERSIONFLAGS.NONE, None)
# Creates a Volume Object to store the previous volume calculated
volumeObj = c4d.BaseObject(c4d.Ovolume)
if volumeObj is None:
raise MemoryError("Failed to create a volume object.")
doc.InsertObject(volumeObj)
volumeObj.SetVolume(volumeRef)
# Converts back to Polygon
polyObject = maxon.frameworks.volume.VolumeToolsInterface.VolumeToMesh(
volumeRef, 0.0, 1)
doc.InsertObject(polyObject)
# Pushes an update event to Cinema 4D
c4d.EventAdd()
