On 2011.07.22 02:35, John Patrick wrote:
For that matter, does anyone know of /any/ code examples (preferably
c++, but Python is fine too) of setting poly vertex colors on an
output DataHandle?
actually, I just use MFnMesh.setVertexColors(MColorArray,MIntArray).
Tried fiddling around with color sets, but just couldn't find a right
way to use them.
One thing to note, there's nasty bug (confirmed by Autodesk) in 2010
maya that spams output with some warning eachtime using setVertexColor
/setVertexColors, so a better choice would be to use setVertexColors()
to minimize that spam.
all in all, i have a custom node that takes a mesh as an input, then
using some custom plugin internal data figures out colors, and returns
an output mesh that is identical to input except that it changes vertex
colors. relevant code would be..
MDataHandle inMeshData =
dataBlock.inputValue(ngLayerColorDisplayNode::attrInMesh);
MDataHandle outMeshData =
dataBlock.outputValue(ngLayerColorDisplayNode::attrOutMesh);
outMeshData.copy(inMeshData);
//.. skipping code for calculating vertex colors into MColorArray
MFnMesh meshFn(outMeshData.asMesh());
meshFn.setVertexColors(this->currColors,this->vertexIndexes);
dataBlock.setClean(plug);
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