Merge branch 'cellsetdim' into 'master'

remove cell set dimensionality

Removing cell set dimensionality.
Also splitting triangulate functionality from tetrahedralizer into its own worklet.


See merge request !413
This commit is contained in:
Jeremy Meredith 2016-05-16 11:00:15 -04:00
commit f5c8cbdfb6
22 changed files with 390 additions and 277 deletions

@ -68,7 +68,7 @@ int mouse_state = 1;
vtkm::cont::DataSet MakeTetrahedralizeExplicitDataSet()
{
vtkm::cont::DataSetBuilderExplicitIterative builder;
builder.Begin(3);
builder.Begin();
builder.AddPoint( 0, 0, 0);
builder.AddPoint( 1, 0, 0);

@ -61,7 +61,7 @@ vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float64, 3> > vertexArray;
vtkm::cont::DataSet MakeTriangulateExplicitDataSet()
{
vtkm::cont::DataSetBuilderExplicitIterative builder;
builder.Begin(2);
builder.Begin();
builder.AddPoint(0, 0, 0); // 0
builder.AddPoint(1, 0, 0); // 1

@ -39,15 +39,14 @@ class CellSet
{
public:
VTKM_CONT_EXPORT
CellSet(const std::string &name, vtkm::IdComponent dimensionality)
: Name(name), Dimensionality(dimensionality), LogicalStructure()
CellSet(const std::string &name)
: Name(name), LogicalStructure()
{
}
VTKM_CONT_EXPORT
CellSet(const vtkm::cont::CellSet &src)
: Name(src.Name),
Dimensionality(src.Dimensionality),
LogicalStructure(src.LogicalStructure)
{ }
@ -55,7 +54,6 @@ public:
CellSet &operator=(const vtkm::cont::CellSet &src)
{
this->Name = src.Name;
this->Dimensionality = src.Dimensionality;
this->LogicalStructure = src.LogicalStructure;
return *this;
}
@ -69,19 +67,6 @@ public:
return this->Name;
}
/// The Dimensionality of the cells inside the cell set.
/// Lines = 1
/// Triangles, Quads = 2
/// Tets, Hexs, etc = 3
///
/// CellSetExplicit has the ability to contain cells of multiple
/// dimensions. These datasets generally report a dimensionality
/// of 3.
virtual vtkm::IdComponent GetDimensionality() const
{
return this->Dimensionality;
}
virtual vtkm::Id GetNumberOfCells() const = 0;
virtual vtkm::Id GetNumberOfFaces() const
@ -100,7 +85,6 @@ public:
protected:
std::string Name;
vtkm::IdComponent Dimensionality;
vtkm::cont::LogicalStructure LogicalStructure;
};

@ -107,9 +107,8 @@ public:
VTKM_CONT_EXPORT
CellSetExplicit(vtkm::Id numpoints = 0,
const std::string &name = std::string(),
vtkm::IdComponent dimensionality = 3)
: CellSet(name, dimensionality),
const std::string &name = std::string())
: CellSet(name),
ConnectivityLength(-1),
NumberOfCells(-1),
NumberOfPoints(numpoints)
@ -117,8 +116,8 @@ public:
}
VTKM_CONT_EXPORT
CellSetExplicit(vtkm::Id numpoints, int dimensionality)
: CellSet(std::string(), dimensionality),
CellSetExplicit(vtkm::Id numpoints)
: CellSet(std::string()),
ConnectivityLength(-1),
NumberOfCells(-1),
NumberOfPoints(numpoints)
@ -438,8 +437,7 @@ public:
virtual void PrintSummary(std::ostream &out) const
{
out << " ExplicitCellSet: " << this->Name
<< " dim= " << this->Dimensionality << std::endl;
out << " ExplicitCellSet: " << this->Name << std::endl;
out << " PointToCell: " << std::endl;
this->PointToCell.PrintSummary(out);
out << " CellToPoint: " << std::endl;

@ -41,18 +41,16 @@ public:
VTKM_CONT_EXPORT
CellSetGeneralPermutation(const PermutationArrayHandleType& validCellIds,
const OriginalCellSet& cellset,
const std::string &name,
vtkm::IdComponent dimensionality)
: CellSet(name,dimensionality),
const std::string &name)
: CellSet(name),
ValidCellIds(validCellIds),
FullCellSet(cellset)
{
}
VTKM_CONT_EXPORT
CellSetGeneralPermutation(const std::string &name,
vtkm::IdComponent dimensionality)
: CellSet(name,dimensionality),
CellSetGeneralPermutation(const std::string &name)
: CellSet(name),
ValidCellIds(),
FullCellSet()
{
@ -140,16 +138,14 @@ public:
VTKM_CONT_EXPORT
CellSetPermutation(const PermutationArrayHandleType& validCellIds,
const OriginalCellSet& cellset,
const std::string &name = std::string(),
vtkm::IdComponent dimensionality = 3)
: ParentType(validCellIds, cellset, name, dimensionality)
const std::string &name = std::string())
: ParentType(validCellIds, cellset, name)
{
}
VTKM_CONT_EXPORT
CellSetPermutation(const std::string &name = std::string(),
vtkm::IdComponent dimensionality = 3)
: ParentType(name, dimensionality)
CellSetPermutation(const std::string &name = std::string())
: ParentType(name)
{
}

@ -56,14 +56,14 @@ public:
template<typename CellShapeTag>
VTKM_CONT_EXPORT
CellSetSingleType(CellShapeTag, const std::string &name = std::string())
: Superclass(0, name, vtkm::CellTraits<CellShapeTag>::TOPOLOGICAL_DIMENSIONS),
: Superclass(0, name),
CellTypeAsId(CellShapeTag::Id)
{
}
VTKM_CONT_EXPORT
CellSetSingleType(const std::string &name = std::string())
: Superclass(0, name, vtkm::CellTraits<CellShapeTagEmpty>::TOPOLOGICAL_DIMENSIONS),
: Superclass(0, name),
CellTypeAsId(CellShapeTagEmpty::Id)
{
}

@ -46,7 +46,7 @@ public:
VTKM_CONT_EXPORT
CellSetStructured(const std::string &name = std::string())
: CellSet(name,Dimension)
: CellSet(name)
{
}
@ -130,8 +130,7 @@ public:
virtual void PrintSummary(std::ostream &out) const
{
out << " StructuredCellSet: " << this->GetName()
<< " dim= " << this->GetDimensionality() << std::endl;
out << " StructuredCellSet: " << this->GetName() << std::endl;
this->Structure.PrintSummary(out);
}

@ -60,14 +60,13 @@ public:
const std::vector<vtkm::UInt8> &shapes,
const std::vector<vtkm::IdComponent> &numIndices,
const std::vector<vtkm::Id> &connectivity,
int dimensionality=2,
const std::string &coordsNm="coords",
const std::string &cellNm="cells")
{
std::vector<T> zVals(xVals.size(),0);
return DataSetBuilderExplicit::Create(xVals,yVals,zVals,
shapes,numIndices,connectivity,
dimensionality, coordsNm,cellNm);
coordsNm,cellNm);
}
template<typename T>
@ -80,7 +79,6 @@ public:
const std::vector<vtkm::UInt8> &shapes,
const std::vector<vtkm::IdComponent> &numIndices,
const std::vector<vtkm::Id> &connectivity,
int dimensionality=3,
const std::string &coordsNm="coords",
const std::string &cellNm="cells");
@ -94,14 +92,13 @@ public:
const vtkm::cont::ArrayHandle<vtkm::UInt8> &shapes,
const vtkm::cont::ArrayHandle<vtkm::IdComponent> &numIndices,
const vtkm::cont::ArrayHandle<vtkm::Id> &connectivity,
int dimensionality=3,
const std::string &coordsNm="coords",
const std::string &cellNm="cells")
{
return DataSetBuilderExplicit::BuildDataSet(
xVals,yVals,zVals,
shapes,numIndices,connectivity,
dimensionality, coordsNm,cellNm);
coordsNm,cellNm);
}
@ -113,7 +110,6 @@ public:
const std::vector<vtkm::UInt8> &shapes,
const std::vector<vtkm::IdComponent> &numIndices,
const std::vector<vtkm::Id> &connectivity,
int dimensionality=3,
const std::string &coordsNm="coords",
const std::string &cellNm="cells");
@ -125,7 +121,6 @@ public:
const vtkm::cont::ArrayHandle<vtkm::UInt8> &shapes,
const vtkm::cont::ArrayHandle<vtkm::IdComponent> &numIndices,
const vtkm::cont::ArrayHandle<vtkm::Id> &connectivity,
int dimensionality=3,
const std::string &coordsNm="coords",
const std::string &cellNm="cells")
{
@ -133,7 +128,6 @@ public:
shapes,
numIndices,
connectivity,
dimensionality,
coordsNm,
cellNm);
}
@ -175,7 +169,6 @@ private:
const vtkm::cont::ArrayHandle<vtkm::UInt8> &shapes,
const vtkm::cont::ArrayHandle<vtkm::IdComponent> &numIndices,
const vtkm::cont::ArrayHandle<vtkm::Id> &connectivity,
int dimensionality,
const std::string &coordsNm,
const std::string &cellNm);
@ -187,7 +180,6 @@ private:
const vtkm::cont::ArrayHandle<vtkm::UInt8> &shapes,
const vtkm::cont::ArrayHandle<vtkm::IdComponent> &numIndices,
const vtkm::cont::ArrayHandle<vtkm::Id> &connectivity,
int dimensionality,
const std::string &coordsNm,
const std::string &cellNm);
@ -210,7 +202,6 @@ DataSetBuilderExplicit::Create(const std::vector<T> &xVals,
const std::vector<vtkm::UInt8> &shapes,
const std::vector<vtkm::IdComponent> &numIndices,
const std::vector<vtkm::Id> &connectivity,
int dimensionality,
const std::string &coordsNm,
const std::string &cellNm)
{
@ -231,7 +222,7 @@ DataSetBuilderExplicit::Create(const std::vector<T> &xVals,
DataSetBuilderExplicit::CopyInto(connectivity, Cc);
return DataSetBuilderExplicit::BuildDataSet(
Xc,Yc,Zc, Sc,Nc,Cc, dimensionality, coordsNm, cellNm);
Xc,Yc,Zc, Sc,Nc,Cc, coordsNm, cellNm);
}
template<typename T>
@ -243,7 +234,6 @@ DataSetBuilderExplicit::BuildDataSet(
const vtkm::cont::ArrayHandle<vtkm::UInt8> &shapes,
const vtkm::cont::ArrayHandle<vtkm::IdComponent> &numIndices,
const vtkm::cont::ArrayHandle<vtkm::Id> &connectivity,
int dimensionality,
const std::string &coordsNm,
const std::string &cellNm)
{
@ -257,7 +247,7 @@ DataSetBuilderExplicit::BuildDataSet(
vtkm::cont::CoordinateSystem(coordsNm,
make_ArrayHandleCompositeVector(X,0, Y,0, Z,0)));
vtkm::Id nPts = X.GetNumberOfValues();
vtkm::cont::CellSetExplicit<> cellSet(nPts, cellNm, dimensionality);
vtkm::cont::CellSetExplicit<> cellSet(nPts, cellNm);
cellSet.Fill(shapes, numIndices, connectivity);
dataSet.AddCellSet(cellSet);
@ -271,7 +261,6 @@ DataSetBuilderExplicit::Create(const std::vector<vtkm::Vec<T,3> > &coords,
const std::vector<vtkm::UInt8> &shapes,
const std::vector<vtkm::IdComponent> &numIndices,
const std::vector<vtkm::Id> &connectivity,
int dimensionality,
const std::string &coordsNm,
const std::string &cellNm)
{
@ -286,7 +275,7 @@ DataSetBuilderExplicit::Create(const std::vector<vtkm::Vec<T,3> > &coords,
DataSetBuilderExplicit::CopyInto(connectivity, Cc);
return DataSetBuilderExplicit::Create(
coordsArray, Sc, Nc, Cc, dimensionality, coordsNm, cellNm);
coordsArray, Sc, Nc, Cc, coordsNm, cellNm);
}
template<typename T>
@ -296,7 +285,6 @@ DataSetBuilderExplicit::BuildDataSet(const vtkm::cont::ArrayHandle<vtkm::Vec<T,3
const vtkm::cont::ArrayHandle<vtkm::UInt8> &shapes,
const vtkm::cont::ArrayHandle<vtkm::IdComponent> &numIndices,
const vtkm::cont::ArrayHandle<vtkm::Id> &connectivity,
int dimensionality,
const std::string &coordsNm,
const std::string &cellNm)
{
@ -305,7 +293,7 @@ DataSetBuilderExplicit::BuildDataSet(const vtkm::cont::ArrayHandle<vtkm::Vec<T,3
dataSet.AddCoordinateSystem(vtkm::cont::CoordinateSystem(coordsNm,
coords));
vtkm::Id nPts = static_cast<vtkm::Id>(coords.GetNumberOfValues());
vtkm::cont::CellSetExplicit<> cellSet(nPts, cellNm, dimensionality);
vtkm::cont::CellSetExplicit<> cellSet(nPts, cellNm);
cellSet.Fill(shapes, numIndices, connectivity);
dataSet.AddCellSet(cellSet);
@ -358,11 +346,9 @@ public:
DataSetBuilderExplicitIterative() {}
VTKM_CONT_EXPORT
void Begin(int dim,
const std::string &coordName="coords",
void Begin(const std::string &coordName="coords",
const std::string &cellName="cells")
{
this->dimensionality = dim;
this->coordNm = coordName;
this->cellNm = cellName;
this->points.resize(0);
@ -446,7 +432,6 @@ public:
private:
std::string coordNm, cellNm;
int dimensionality;
std::vector<vtkm::Vec<vtkm::Float32,3> > points;
std::vector<vtkm::UInt8> shapes;
@ -458,7 +443,7 @@ vtkm::cont::DataSet
DataSetBuilderExplicitIterative::Create()
{
DataSetBuilderExplicit dsb;
return dsb.Create(points, shapes, numIdx, connectivity, dimensionality, coordNm, cellNm);
return dsb.Create(points, shapes, numIdx, connectivity, coordNm, cellNm);
}

@ -262,7 +262,7 @@ MakeTestDataSet::Make3DExplicitDataSet0()
conn.push_back(4);
//Create the dataset.
dataSet = dsb.Create(coords, shapes, numindices, conn, 2, "coordinates", "cells");
dataSet = dsb.Create(coords, shapes, numindices, conn, "coordinates", "cells");
vtkm::Float32 vars[nVerts] = {10.1f, 20.1f, 30.2f, 40.2f, 50.3f};
vtkm::Float32 cellvar[2] = {100.1f, 100.2f};
@ -334,7 +334,7 @@ MakeTestDataSet::Make3DExplicitDataSet1()
dataSet.AddCoordinateSystem(
vtkm::cont::CoordinateSystem("coordinates", coordinates, nVerts));
vtkm::cont::CellSetExplicit<> cellSet(nVerts, "cells", 2);
vtkm::cont::CellSetExplicit<> cellSet(nVerts, "cells");
cellSet.PrepareToAddCells(2, 7);
cellSet.AddCell(vtkm::CELL_SHAPE_TRIANGLE, 3, make_Vec<vtkm::Id>(0,1,2));
cellSet.AddCell(vtkm::CELL_SHAPE_QUAD, 4, make_Vec<vtkm::Id>(2,1,3,4));

@ -67,8 +67,7 @@ public:
typedef vtkm::cont::CellSetPermutation<CellSetType> PermutationCellSetType;
PermutationCellSetType permCellSet(*this->ValidIds, cellset,
cellset.GetName(),
cellset.GetDimensionality());
cellset.GetName());
this->Output->AddCellSet(permCellSet);
}

@ -52,7 +52,7 @@ void TestExternalFacesExplicitGrid()
{4,7,6,3}, {4,6,3,2}, {4,0,3,2},
{4,6,5,2}, {4,5,0,2}, {1,0,5,2}
};
vtkm::cont::CellSetExplicit<> cs(nVerts, "cells", nCells);
vtkm::cont::CellSetExplicit<> cs(nVerts, "cells");
vtkm::cont::ArrayHandle<vtkm::UInt8> shapes;
vtkm::cont::ArrayHandle<vtkm::IdComponent> numIndices;

@ -48,7 +48,7 @@ vtkm::cont::DataSet MakePointElevationTestDataSet()
dataSet.AddCoordinateSystem(
vtkm::cont::CoordinateSystem("coordinates", coordinates));
vtkm::cont::CellSetExplicit<> cellSet(vtkm::Id(coordinates.size()), "cells", 3);
vtkm::cont::CellSetExplicit<> cellSet(vtkm::Id(coordinates.size()), "cells");
cellSet.PrepareToAddCells(numCells, numCells * 4);
for (vtkm::Id j = 0; j < dim - 1; ++j)
{

@ -39,6 +39,8 @@ set(headers
StreamLineUniformGrid.h
TetrahedralizeExplicitGrid.h
TetrahedralizeUniformGrid.h
TriangulateExplicitGrid.h
TriangulateUniformGrid.h
Threshold.h
VertexClustering.h
)

@ -46,32 +46,6 @@ class TetrahedralizeFilterExplicitGrid
{
public:
//
// Worklet to count the number of triangles generated per cell
//
class TrianglesPerCell : public vtkm::worklet::WorkletMapField
{
public:
typedef void ControlSignature(FieldIn<> shapes,
FieldIn<> numPoints,
ExecObject tables,
FieldOut<> triangleCount);
typedef _4 ExecutionSignature(_1,_2,_3);
typedef _1 InputDomain;
VTKM_CONT_EXPORT
TrianglesPerCell() {}
VTKM_EXEC_EXPORT
vtkm::IdComponent operator()(
vtkm::UInt8 shape,
vtkm::IdComponent numPoints,
const vtkm::worklet::internal::TriangulateTablesExecutionObject<DeviceAdapter> &tables) const
{
return tables.GetCount(vtkm::CellShapeTagGeneric(shape), numPoints);
}
};
//
// Worklet to count the number of tetrahedra generated per cell
//
@ -80,7 +54,7 @@ public:
public:
typedef void ControlSignature(FieldIn<> shapes,
ExecObject tables,
FieldOut<> triangleCount);
FieldOut<> tetrahedronCount);
typedef _3 ExecutionSignature(_1, _2);
typedef _1 InputDomain;
@ -96,55 +70,6 @@ public:
}
};
//
// Worklet to turn cells into triangles
// Vertices remain the same and each cell is processed with needing topology
//
class TriangulateCell : public vtkm::worklet::WorkletMapPointToCell
{
public:
typedef void ControlSignature(TopologyIn topology,
ExecObject tables,
FieldOutCell<> connectivityOut);
typedef void ExecutionSignature(CellShape, PointIndices, _2, _3, VisitIndex);
typedef _1 InputDomain;
typedef vtkm::worklet::ScatterCounting ScatterType;
VTKM_CONT_EXPORT
ScatterType GetScatter() const
{
return this->Scatter;
}
template<typename CountArrayType>
VTKM_CONT_EXPORT
TriangulateCell(const CountArrayType &countArray)
: Scatter(countArray, DeviceAdapter())
{ }
// Each cell produces triangles and write result at the offset
template<typename CellShapeTag,
typename ConnectivityInVec,
typename ConnectivityOutVec>
VTKM_EXEC_EXPORT
void operator()(
CellShapeTag shape,
const ConnectivityInVec &connectivityIn,
const vtkm::worklet::internal::TriangulateTablesExecutionObject<DeviceAdapter> &tables,
ConnectivityOutVec &connectivityOut,
vtkm::IdComponent visitIndex) const
{
vtkm::Vec<vtkm::IdComponent,3> triIndices =
tables.GetIndices(shape, visitIndex);
connectivityOut[0] = connectivityIn[triIndices[0]];
connectivityOut[1] = connectivityIn[triIndices[1]];
connectivityOut[2] = connectivityIn[triIndices[2]];
}
private:
ScatterType Scatter;
};
//
// Worklet to turn cells into tetrahedra
// Vertices remain the same and each cell is processed with needing topology
@ -207,7 +132,7 @@ public:
vtkm::cont::DataSet OutDataSet; // output dataset with explicit cell set
//
// Populate the output dataset with triangles or tetrahedra based on input explicit dataset
// Populate the output dataset with tetrahedra based on input explicit dataset
//
void Run()
{
@ -217,9 +142,6 @@ public:
vtkm::cont::CellSetSingleType<> &cellSet =
this->OutDataSet.GetCellSet(0).template Cast<vtkm::cont::CellSetSingleType<> >();
// Input dataset vertices and cell counts
vtkm::Id dimensionality = inCellSet.GetDimensionality();
// Input topology
vtkm::cont::ArrayHandle<vtkm::UInt8> inShapes = inCellSet.GetShapesArray(
vtkm::TopologyElementTagPoint(), vtkm::TopologyElementTagCell());
@ -229,54 +151,24 @@ public:
// Output topology
vtkm::cont::ArrayHandle<vtkm::Id> outConnectivity;
if (dimensionality == 2)
{
vtkm::worklet::internal::TriangulateTables tables;
vtkm::worklet::internal::TetrahedralizeTables tables;
// Determine the number of output cells each input cell will generate
vtkm::cont::ArrayHandle<vtkm::IdComponent> numOutCellArray;
vtkm::worklet::DispatcherMapField<TrianglesPerCell,DeviceAdapter>
triPerCellDispatcher;
triPerCellDispatcher.Invoke(inShapes,
inNumIndices,
tables.PrepareForInput(DeviceAdapter()),
numOutCellArray);
// Determine the number of output cells each input cell will generate
vtkm::cont::ArrayHandle<vtkm::IdComponent> numOutCellArray;
vtkm::worklet::DispatcherMapField<TetrahedraPerCell,DeviceAdapter>
tetPerCellDispatcher;
tetPerCellDispatcher.Invoke(inShapes,
tables.PrepareForInput(DeviceAdapter()),
numOutCellArray);
// Build new cells
TriangulateCell triangulateWorklet(numOutCellArray);
vtkm::worklet::DispatcherMapTopology<TriangulateCell,DeviceAdapter>
triangulateDispatcher(triangulateWorklet);
triangulateDispatcher.Invoke(
inCellSet,
tables.PrepareForInput(DeviceAdapter()),
vtkm::cont::make_ArrayHandleGroupVec<3>(outConnectivity));
}
else if (dimensionality == 3)
{
vtkm::worklet::internal::TetrahedralizeTables tables;
// Determine the number of output cells each input cell will generate
vtkm::cont::ArrayHandle<vtkm::IdComponent> numOutCellArray;
vtkm::worklet::DispatcherMapField<TetrahedraPerCell,DeviceAdapter>
tetPerCellDispatcher;
tetPerCellDispatcher.Invoke(inShapes,
tables.PrepareForInput(DeviceAdapter()),
numOutCellArray);
// Build new cells
TetrahedralizeCell tetrahedralizeWorklet(numOutCellArray);
vtkm::worklet::DispatcherMapTopology<TetrahedralizeCell,DeviceAdapter>
tetrahedralizeDispatcher(tetrahedralizeWorklet);
tetrahedralizeDispatcher.Invoke(
inCellSet,
tables.PrepareForInput(DeviceAdapter()),
vtkm::cont::make_ArrayHandleGroupVec<4>(outConnectivity));
}
else
{
throw vtkm::cont::ErrorControlBadValue(
"Unsupported dimensionality for TetrahedralizeExplicitGrid.");
}
// Build new cells
TetrahedralizeCell tetrahedralizeWorklet(numOutCellArray);
vtkm::worklet::DispatcherMapTopology<TetrahedralizeCell,DeviceAdapter>
tetrahedralizeDispatcher(tetrahedralizeWorklet);
tetrahedralizeDispatcher.Invoke(
inCellSet,
tables.PrepareForInput(DeviceAdapter()),
vtkm::cont::make_ArrayHandleGroupVec<4>(outConnectivity));
// Add cells to output cellset
cellSet.Fill(outConnectivity);

@ -40,12 +40,6 @@ namespace worklet {
namespace detail {
VTKM_EXEC_CONSTANT_EXPORT
const static vtkm::IdComponent StructuredTriangleIndices[2][3] = {
{ 0, 1, 2 },
{ 0, 2, 3 }
};
VTKM_EXEC_CONSTANT_EXPORT
const static vtkm::IdComponent StructuredTetrahedronIndices[2][5][4] = {
{
@ -72,42 +66,6 @@ class TetrahedralizeFilterUniformGrid
{
public:
//
// Worklet to turn quads into triangles
// Vertices remain the same and each cell is processed with needing topology
//
class TriangulateCell : public vtkm::worklet::WorkletMapPointToCell
{
public:
typedef void ControlSignature(TopologyIn topology,
FieldOutCell<> connectivityOut);
typedef void ExecutionSignature(PointIndices, _2, VisitIndex);
typedef _1 InputDomain;
typedef vtkm::worklet::ScatterUniform ScatterType;
VTKM_CONT_EXPORT
ScatterType GetScatter() const
{
return ScatterType(2);
}
VTKM_CONT_EXPORT
TriangulateCell()
{ }
// Each quad cell produces 2 triangle cells
template<typename ConnectivityInVec, typename ConnectivityOutVec>
VTKM_EXEC_EXPORT
void operator()(const ConnectivityInVec &connectivityIn,
ConnectivityOutVec &connectivityOut,
vtkm::IdComponent visitIndex) const
{
connectivityOut[0] = connectivityIn[detail::StructuredTriangleIndices[visitIndex][0]];
connectivityOut[1] = connectivityIn[detail::StructuredTriangleIndices[visitIndex][1]];
connectivityOut[2] = connectivityIn[detail::StructuredTriangleIndices[visitIndex][2]];
}
};
//
// Worklet to turn hexahedra into tetrahedra
// Vertices remain the same and each cell is processed with needing topology
@ -168,7 +126,7 @@ public:
vtkm::cont::DataSet OutDataSet; // output dataset with explicit cell set
//
// Populate the output dataset with triangles or tetrahedra based on input uniform dataset
// Populate the output dataset with tetrahedra based on input uniform dataset
//
void Run()
{
@ -178,27 +136,11 @@ public:
vtkm::cont::ArrayHandle<vtkm::Id> connectivity;
if (cellSet.GetDimensionality() == 2)
{
vtkm::cont::CellSetStructured<2> inCellSet;
InDataSet.GetCellSet(0).CopyTo(inCellSet);
vtkm::worklet::DispatcherMapTopology<TriangulateCell,DeviceAdapter> dispatcher;
dispatcher.Invoke(inCellSet,
vtkm::cont::make_ArrayHandleGroupVec<3>(connectivity));
}
else if (cellSet.GetDimensionality() == 3)
{
vtkm::cont::CellSetStructured<3> inCellSet;
InDataSet.GetCellSet(0).CopyTo(inCellSet);
vtkm::worklet::DispatcherMapTopology<TetrahedralizeCell,DeviceAdapter> dispatcher;
dispatcher.Invoke(inCellSet,
vtkm::cont::make_ArrayHandleGroupVec<4>(connectivity));
}
else
{
throw vtkm::cont::ErrorControlBadValue(
"Unsupported dimensionality for TetrahedralizeUniformGrid.");
}
vtkm::cont::CellSetStructured<3> inCellSet;
InDataSet.GetCellSet(0).CopyTo(inCellSet);
vtkm::worklet::DispatcherMapTopology<TetrahedralizeCell,DeviceAdapter> dispatcher;
dispatcher.Invoke(inCellSet,
vtkm::cont::make_ArrayHandleGroupVec<4>(connectivity));
// Add cells to output cellset
cellSet.Fill(connectivity);

@ -140,8 +140,7 @@ public:
vtkm::cont::DeviceAdapterAlgorithm<DeviceAdapter>
::StreamCompact(passFlags, this->ValidCellIds);
return OutputType(this->ValidCellIds, cellSet, cellSet.GetName(),
cellSet.GetDimensionality());
return OutputType(this->ValidCellIds, cellSet, cellSet.GetName());
}
class PermuteCellData

@ -0,0 +1,184 @@
//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//
// Copyright 2015 Sandia Corporation.
// Copyright 2015 UT-Battelle, LLC.
// Copyright 2015 Los Alamos National Security.
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#ifndef vtk_m_worklet_TriangulateExplicitGrid_h
#define vtk_m_worklet_TriangulateExplicitGrid_h
#include <vtkm/cont/ArrayHandle.h>
#include <vtkm/cont/ArrayHandleGroupVec.h>
#include <vtkm/cont/CellSetExplicit.h>
#include <vtkm/cont/DataSet.h>
#include <vtkm/cont/DeviceAdapter.h>
#include <vtkm/cont/DynamicArrayHandle.h>
#include <vtkm/cont/Field.h>
#include <vtkm/worklet/DispatcherMapField.h>
#include <vtkm/worklet/DispatcherMapTopology.h>
#include <vtkm/worklet/ScatterCounting.h>
#include <vtkm/worklet/WorkletMapField.h>
#include <vtkm/worklet/WorkletMapTopology.h>
#include <vtkm/worklet/internal/TriangulateTables.h>
namespace vtkm {
namespace worklet {
/// \brief Compute the triangulate cells for an explicit grid data set
template <typename DeviceAdapter>
class TriangulateFilterExplicitGrid
{
public:
//
// Worklet to count the number of triangles generated per cell
//
class TrianglesPerCell : public vtkm::worklet::WorkletMapField
{
public:
typedef void ControlSignature(FieldIn<> shapes,
FieldIn<> numPoints,
ExecObject tables,
FieldOut<> triangleCount);
typedef _4 ExecutionSignature(_1,_2,_3);
typedef _1 InputDomain;
VTKM_CONT_EXPORT
TrianglesPerCell() {}
VTKM_EXEC_EXPORT
vtkm::IdComponent operator()(
vtkm::UInt8 shape,
vtkm::IdComponent numPoints,
const vtkm::worklet::internal::TriangulateTablesExecutionObject<DeviceAdapter> &tables) const
{
return tables.GetCount(vtkm::CellShapeTagGeneric(shape), numPoints);
}
};
//
// Worklet to turn cells into triangles
// Vertices remain the same and each cell is processed with needing topology
//
class TriangulateCell : public vtkm::worklet::WorkletMapPointToCell
{
public:
typedef void ControlSignature(TopologyIn topology,
ExecObject tables,
FieldOutCell<> connectivityOut);
typedef void ExecutionSignature(CellShape, PointIndices, _2, _3, VisitIndex);
typedef _1 InputDomain;
typedef vtkm::worklet::ScatterCounting ScatterType;
VTKM_CONT_EXPORT
ScatterType GetScatter() const
{
return this->Scatter;
}
template<typename CountArrayType>
VTKM_CONT_EXPORT
TriangulateCell(const CountArrayType &countArray)
: Scatter(countArray, DeviceAdapter())
{ }
// Each cell produces triangles and write result at the offset
template<typename CellShapeTag,
typename ConnectivityInVec,
typename ConnectivityOutVec>
VTKM_EXEC_EXPORT
void operator()(
CellShapeTag shape,
const ConnectivityInVec &connectivityIn,
const vtkm::worklet::internal::TriangulateTablesExecutionObject<DeviceAdapter> &tables,
ConnectivityOutVec &connectivityOut,
vtkm::IdComponent visitIndex) const
{
vtkm::Vec<vtkm::IdComponent,3> triIndices =
tables.GetIndices(shape, visitIndex);
connectivityOut[0] = connectivityIn[triIndices[0]];
connectivityOut[1] = connectivityIn[triIndices[1]];
connectivityOut[2] = connectivityIn[triIndices[2]];
}
private:
ScatterType Scatter;
};
//
// Construct the filter to triangulate explicit grid
//
TriangulateFilterExplicitGrid(const vtkm::cont::DataSet &inDataSet,
vtkm::cont::DataSet &outDataSet) :
InDataSet(inDataSet),
OutDataSet(outDataSet)
{}
vtkm::cont::DataSet InDataSet; // input dataset with structured cell set
vtkm::cont::DataSet OutDataSet; // output dataset with explicit cell set
//
// Populate the output dataset with triangles based on input explicit dataset
//
void Run()
{
// Cell sets belonging to input and output datasets
vtkm::cont::CellSetExplicit<> inCellSet;
InDataSet.GetCellSet(0).CopyTo(inCellSet);
vtkm::cont::CellSetSingleType<> &cellSet =
this->OutDataSet.GetCellSet(0).template Cast<vtkm::cont::CellSetSingleType<> >();
// Input topology
vtkm::cont::ArrayHandle<vtkm::UInt8> inShapes = inCellSet.GetShapesArray(
vtkm::TopologyElementTagPoint(), vtkm::TopologyElementTagCell());
vtkm::cont::ArrayHandle<vtkm::IdComponent> inNumIndices = inCellSet.GetNumIndicesArray(
vtkm::TopologyElementTagPoint(), vtkm::TopologyElementTagCell());
// Output topology
vtkm::cont::ArrayHandle<vtkm::Id> outConnectivity;
vtkm::worklet::internal::TriangulateTables tables;
// Determine the number of output cells each input cell will generate
vtkm::cont::ArrayHandle<vtkm::IdComponent> numOutCellArray;
vtkm::worklet::DispatcherMapField<TrianglesPerCell,DeviceAdapter>
triPerCellDispatcher;
triPerCellDispatcher.Invoke(inShapes,
inNumIndices,
tables.PrepareForInput(DeviceAdapter()),
numOutCellArray);
// Build new cells
TriangulateCell triangulateWorklet(numOutCellArray);
vtkm::worklet::DispatcherMapTopology<TriangulateCell,DeviceAdapter>
triangulateDispatcher(triangulateWorklet);
triangulateDispatcher.Invoke(
inCellSet,
tables.PrepareForInput(DeviceAdapter()),
vtkm::cont::make_ArrayHandleGroupVec<3>(outConnectivity));
// Add cells to output cellset
cellSet.Fill(outConnectivity);
}
};
}
} // namespace vtkm::worklet
#endif // vtk_m_worklet_TriangulateExplicitGrid_h

@ -0,0 +1,131 @@
//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//
// Copyright 2015 Sandia Corporation.
// Copyright 2015 UT-Battelle, LLC.
// Copyright 2015 Los Alamos National Security.
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#ifndef vtk_m_worklet_TriangulateUniformGrid_h
#define vtk_m_worklet_TriangulateUniformGrid_h
#include <vtkm/cont/ArrayHandle.h>
#include <vtkm/cont/ArrayHandleGroupVec.h>
#include <vtkm/cont/CellSetSingleType.h>
#include <vtkm/cont/CellSetStructured.h>
#include <vtkm/cont/DataSet.h>
#include <vtkm/cont/DeviceAdapter.h>
#include <vtkm/cont/DynamicArrayHandle.h>
#include <vtkm/cont/ErrorControlBadValue.h>
#include <vtkm/cont/Field.h>
#include <vtkm/worklet/DispatcherMapTopology.h>
#include <vtkm/worklet/ScatterUniform.h>
#include <vtkm/worklet/WorkletMapTopology.h>
namespace vtkm {
namespace worklet {
namespace detail {
VTKM_EXEC_CONSTANT_EXPORT
const static vtkm::IdComponent StructuredTriangleIndices[2][3] = {
{ 0, 1, 2 },
{ 0, 2, 3 }
};
} // namespace detail
/// \brief Compute the triangulate cells for a uniform grid data set
template <typename DeviceAdapter>
class TriangulateFilterUniformGrid
{
public:
//
// Worklet to turn quads into triangles
// Vertices remain the same and each cell is processed with needing topology
//
class TriangulateCell : public vtkm::worklet::WorkletMapPointToCell
{
public:
typedef void ControlSignature(TopologyIn topology,
FieldOutCell<> connectivityOut);
typedef void ExecutionSignature(PointIndices, _2, VisitIndex);
typedef _1 InputDomain;
typedef vtkm::worklet::ScatterUniform ScatterType;
VTKM_CONT_EXPORT
ScatterType GetScatter() const
{
return ScatterType(2);
}
VTKM_CONT_EXPORT
TriangulateCell()
{ }
// Each quad cell produces 2 triangle cells
template<typename ConnectivityInVec, typename ConnectivityOutVec>
VTKM_EXEC_EXPORT
void operator()(const ConnectivityInVec &connectivityIn,
ConnectivityOutVec &connectivityOut,
vtkm::IdComponent visitIndex) const
{
connectivityOut[0] = connectivityIn[detail::StructuredTriangleIndices[visitIndex][0]];
connectivityOut[1] = connectivityIn[detail::StructuredTriangleIndices[visitIndex][1]];
connectivityOut[2] = connectivityIn[detail::StructuredTriangleIndices[visitIndex][2]];
}
};
//
// Construct the filter to triangulate uniform grid
//
TriangulateFilterUniformGrid(const vtkm::cont::DataSet &inDataSet,
vtkm::cont::DataSet &outDataSet) :
InDataSet(inDataSet),
OutDataSet(outDataSet)
{
}
vtkm::cont::DataSet InDataSet; // input dataset with structured cell set
vtkm::cont::DataSet OutDataSet; // output dataset with explicit cell set
//
// Populate the output dataset with triangles based on input uniform dataset
//
void Run()
{
// Get the cell set from the output data set
vtkm::cont::CellSetSingleType<> &cellSet =
this->OutDataSet.GetCellSet(0).template Cast<vtkm::cont::CellSetSingleType<> >();
vtkm::cont::ArrayHandle<vtkm::Id> connectivity;
vtkm::cont::CellSetStructured<2> inCellSet;
InDataSet.GetCellSet(0).CopyTo(inCellSet);
vtkm::worklet::DispatcherMapTopology<TriangulateCell,DeviceAdapter> dispatcher;
dispatcher.Invoke(inCellSet,
vtkm::cont::make_ArrayHandleGroupVec<3>(connectivity));
// Add cells to output cellset
cellSet.Fill(connectivity);
}
};
}
} // namespace vtkm::worklet
#endif // vtk_m_worklet_TriangulateUniformGrid_h

@ -61,7 +61,7 @@ vtkm::cont::DataSet RunExternalFaces(vtkm::cont::DataSet &ds)
}
vtkm::cont::CellSetExplicit<> new_cs(cellset.GetNumberOfPoints(),"cells", 2);
vtkm::cont::CellSetExplicit<> new_cs(cellset.GetNumberOfPoints(),"cells");
new_cs.Fill(output_shapes, output_numIndices, output_conn);
new_ds.AddCellSet(new_cs);

@ -53,7 +53,7 @@ vtkm::cont::DataSet MakePointElevationTestDataSet()
dataSet.AddCoordinateSystem(
vtkm::cont::CoordinateSystem("coordinates", coordinates));
vtkm::cont::CellSetExplicit<> cellSet(vtkm::Id(coordinates.size()), "cells", 3);
vtkm::cont::CellSetExplicit<> cellSet(vtkm::Id(coordinates.size()), "cells");
cellSet.PrepareToAddCells(numCells, numCells * 4);
for (vtkm::Id j = 0; j < dim - 1; ++j)
{

@ -19,6 +19,7 @@
//============================================================================
#include <vtkm/worklet/TetrahedralizeExplicitGrid.h>
#include <vtkm/worklet/TriangulateExplicitGrid.h>
#include <vtkm/worklet/DispatcherMapField.h>
#include <vtkm/cont/DataSet.h>
@ -33,7 +34,7 @@ namespace {
vtkm::cont::DataSet MakeTriangulateExplicitDataSet()
{
vtkm::cont::DataSetBuilderExplicitIterative builder;
builder.Begin(2);
builder.Begin();
builder.AddPoint(0, 0, 0); // 0
builder.AddPoint(1, 0, 0); // 1
@ -103,7 +104,7 @@ vtkm::cont::DataSet MakeTriangulateExplicitDataSet()
vtkm::cont::DataSet MakeTetrahedralizeExplicitDataSet()
{
vtkm::cont::DataSetBuilderExplicitIterative builder;
builder.Begin(3);
builder.Begin();
builder.AddPoint(0, 0, 0);
builder.AddPoint(1, 0, 0);
@ -168,7 +169,7 @@ vtkm::cont::DataSet MakeTetrahedralizeExplicitDataSet()
//
void TestExplicitGrid2D()
{
std::cout << "Testing TriangulationExplicitGrid Filter" << std::endl;
std::cout << "Testing TriangulateExplicitGrid Filter" << std::endl;
typedef VTKM_DEFAULT_DEVICE_ADAPTER_TAG DeviceAdapter;
// Create the input uniform cell set
@ -181,9 +182,9 @@ void TestExplicitGrid2D()
outDataSet.AddCoordinateSystem(inDataSet.GetCoordinateSystem(0));
// Convert explicit cells to triangles
vtkm::worklet::TetrahedralizeFilterExplicitGrid<DeviceAdapter>
tetrahedralizeFilter(inDataSet, outDataSet);
tetrahedralizeFilter.Run();
vtkm::worklet::TriangulateFilterExplicitGrid<DeviceAdapter>
triangulateFilter(inDataSet, outDataSet);
triangulateFilter.Run();
vtkm::cont::CellSetSingleType<> cellSet;
outDataSet.GetCellSet(0).CopyTo(cellSet);

@ -19,6 +19,7 @@
//============================================================================
#include <vtkm/worklet/TetrahedralizeUniformGrid.h>
#include <vtkm/worklet/TriangulateUniformGrid.h>
#include <vtkm/worklet/DispatcherMapField.h>
#include <vtkm/cont/DataSet.h>
@ -107,10 +108,10 @@ void TestUniformGrid2D()
outDataSet.AddCellSet(outCellSet);
outDataSet.AddCoordinateSystem(inDataSet.GetCoordinateSystem(0));
// Convert uniform hexahedra to tetrahedra
vtkm::worklet::TetrahedralizeFilterUniformGrid<DeviceAdapter>
tetrahedralizeFilter(inDataSet, outDataSet);
tetrahedralizeFilter.Run();
// Convert uniform quadrilaterals to triangles
vtkm::worklet::TriangulateFilterUniformGrid<DeviceAdapter>
triangulateFilter(inDataSet, outDataSet);
triangulateFilter.Run();
vtkm::cont::CellSetSingleType<> cellSet;
outDataSet.GetCellSet(0).CopyTo(cellSet);