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Clip: remap centroid interpolation points to used-only point

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Previously, Clip was updated to remove unused points from the input.
This requires a re-mapping of point ids after compaction. This
re-mapping was missed for the points used for interpolation of centorid
points.
This commit is contained in:
Sujin Philip 2023-09-04 10:51:47 -04:00
parent 5652c9ad3a
commit bda2d3d8e1
1 changed files with 28 additions and 0 deletions
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28
vtkm/filter/contour/worklet/Clip.h
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@ -684,6 +684,31 @@ public:
pointsOnlyConnectivity);
pointsOnlyConnectivityIndices.ReleaseResources();
// We want to find the entries in `InCellInterpolationInfo` that point to exisiting points.
// `cellPointEdgeReverseConnectivity` map to entries that point to edges.
vtkm::cont::ArrayHandle<vtkm::UInt8> stencil;
stencil.AllocateAndFill(this->InCellInterpolationInfo.GetNumberOfValues(), 1);
auto edgeOnlyStencilEntries =
vtkm::cont::make_ArrayHandlePermutation(cellPointEdgeReverseConnectivity, stencil);
vtkm::cont::Algorithm::Fill(edgeOnlyStencilEntries, vtkm::UInt8{});
vtkm::cont::ArrayHandle<vtkm::Id> idxsToPoints;
vtkm::cont::Algorithm::CopyIf(
vtkm::cont::ArrayHandleIndex(this->InCellInterpolationInfo.GetNumberOfValues()),
stencil,
idxsToPoints);
stencil.ReleaseResources();
// Remap the point indices in `InCellInterpolationInfo`, to the used-only point indices
// computed above.
// This only works if the points needed for interpolating centroids are included in the
// `connectivity` array. This has been verified to be true for all cases in the clip tables.
auto inCellInterpolationInfoPointsOnly =
vtkm::cont::make_ArrayHandlePermutation(idxsToPoints, this->InCellInterpolationInfo);
invoke(vtkm::worklet::RemoveUnusedPoints::TransformPointIndices{},
inCellInterpolationInfoPointsOnly,
pointMapInputToOutput,
inCellInterpolationInfoPointsOnly);
}
// Get unique EdgeInterpolation : unique edge points.
@ -701,6 +726,9 @@ public:
EdgeInterpolation::LessThanOp());
edgeInterpolation.ReleaseResources();
// This only works if the edges in `cellPointEdgeInterpolation` also exist in
// `EdgePointsInterpolation`. This has been verified to be true for all cases in the clip
// tables.
vtkm::cont::ArrayHandle<vtkm::Id> cellInterpolationIndexToUnique;
vtkm::cont::Algorithm::LowerBounds(this->EdgePointsInterpolation,
cellPointEdgeInterpolation,