MATLAB ignores a trisurf's FaceVertexAlphaData property
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In this MWE, Matlab completely ignores my alpha settings. Am I forgetting something or is this a bug?
[x,y] = meshgrid(0:10);
DT = delaunayTriangulation([x(:) y(:)]);
xx = DT.Points(:,1);
yy = DT.Points(:,2);
surfHandle.FaceAlpha = 'flat';
surfHandle.AlphaDataMapping = 'none';
srf = trisurf(DT.ConnectivityList,xx,yy,ones(size(xx)));
srf.FaceVertexAlphaData = rand(size(srf.Faces,1),1);
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Walter Roberson
le 9 Nov 2023
Note
If the FaceAlpha and EdgeAlpha properties are both set to scalar values, then the patch does not use the FaceVertexAlphaData values.
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Walter Roberson
le 9 Nov 2023
[x,y] = meshgrid(0:10);
DT = delaunayTriangulation([x(:) y(:)]);
xx = DT.Points(:,1);
yy = DT.Points(:,2);
srf = trisurf(DT.ConnectivityList,xx,yy,ones(size(xx)));
srf.FaceAlpha = 'flat';
srf.AlphaDataMapping = 'none';
srf.FaceVertexAlphaData = rand(size(srf.Faces,1),1);
Whatever surfHandle is, it is nothing to do with srf
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