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Fix issue (findBinIdx won't fail if point outside dataset).

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This commit is contained in:
Dave Pugmire 2024-03-28 15:31:34 -04:00
parent 6996466752
commit 7fb1821b7c
1 changed files with 40 additions and 24 deletions
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64
vtkm/exec/CellLocatorUniformBins.h
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@ -89,31 +89,37 @@ public:
vtkm::Vec3f& parametric,
LastCell& lastCell) const
{
if (this->LastCellValid(lastCell))
vtkm::Id binIdx = this->FindBinIdx(point);
if (binIdx == -1)
{
//See if the point is still in the same bin.
vtkm::Id binIdx = this->FindBinIdx(point);
if (binIdx == lastCell.BinIdx)
lastCell.CellId = -1;
lastCell.BinIdx = -1;
cellId = -1;
return vtkm::ErrorCode::CellNotFound;
}
//See if the point is still in the same bin.
else if (binIdx == lastCell.BinIdx && this->LastCellValid(lastCell))
{
vtkm::Vec3f pc;
//Check the last cell first.
if (this->PointInCell(point, lastCell.CellId, pc))
{
vtkm::Vec3f pc;
//Check the last cell first.
if (this->PointInCell(point, lastCell.CellId, pc))
{
parametric = pc;
cellId = lastCell.CellId;
return vtkm::ErrorCode::Success;
}
//Otherwise, check cells in the bin, but skip lastCell.CellId
else if (this->PointInBin(point, lastCell.BinIdx, cellId, pc, lastCell.CellId))
{
parametric = pc;
return vtkm::ErrorCode::Success;
}
parametric = pc;
cellId = lastCell.CellId;
return vtkm::ErrorCode::Success;
}
//Otherwise, check cells in the bin, but skip lastCell.CellId
else if (this->PointInBin(point, lastCell.BinIdx, cellId, pc, lastCell.CellId))
{
parametric = pc;
return vtkm::ErrorCode::Success;
}
}
//LastCell not initialized, or not in the same bin: do a full test.
return this->FindCellImpl(point, cellId, parametric, lastCell);
//Since already computed the binIdx, re-use it.
return this->FindCellImpl(point, cellId, parametric, lastCell, binIdx);
}
VTKM_DEPRECATED(1.6, "Locators are no longer pointers. Use . operator.")
@ -124,6 +130,9 @@ public:
private:
VTKM_EXEC vtkm::Id FindBinIdx(const vtkm::Vec3f& point) const
{
if (!this->IsInside(point))
return -1;
vtkm::Vec3f temp;
temp = point - this->Origin;
temp = temp * this->InvSpacing;
@ -159,20 +168,27 @@ private:
vtkm::ErrorCode FindCellImpl(const vtkm::Vec3f& point,
vtkm::Id& cellId,
vtkm::Vec3f& parametric,
LastCell& lastCell) const
LastCell& lastCell,
vtkm::Id ptBinIdx = -1) const
{
lastCell.CellId = -1;
lastCell.BinIdx = -1;
if (!this->IsInside(point))
//if ptBinIdx is set, use it. Otherwise, compute the bin idx.
vtkm::Id binIdx = -1;
if (ptBinIdx == -1)
binIdx = this->FindBinIdx(point);
else
binIdx = ptBinIdx;
//point not in a bin. return not found.
if (binIdx == -1)
{
cellId = -1;
return vtkm::ErrorCode::CellNotFound;
}
//Find the bin containing the point.
vtkm::Id binIdx = this->FindBinIdx(point);
//search cells in the bin.
vtkm::Vec3f pc;
if (this->PointInBin(point, binIdx, cellId, pc))
{