mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
Deprecate writer/ directory.
This commit is contained in:
parent
4b584aec23
commit
20c6e69338
@ -12,6 +12,7 @@ set(headers
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ErrorIO.h
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DecodePNG.h
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EncodePNG.h
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VTKDataSetWriter.h
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)
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set(sources
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415
vtkm/io/VTKDataSetWriter.h
Normal file
415
vtkm/io/VTKDataSetWriter.h
Normal file
@ -0,0 +1,415 @@
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//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_io_DataSetWriter_h
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#define vtk_m_io_DataSetWriter_h
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#include <cctype>
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#include <vtkm/CellShape.h>
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#include <vtkm/cont/CellSetExplicit.h>
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#include <vtkm/cont/CellSetSingleType.h>
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#include <vtkm/cont/CellSetStructured.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/ErrorBadType.h>
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#include <vtkm/cont/ErrorBadValue.h>
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#include <vtkm/cont/Field.h>
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#include <vtkm/io/ErrorIO.h>
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#include <vtkm/io/internal/VTKDataSetTypes.h>
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#include <algorithm>
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#include <cstring>
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#include <fstream>
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#include <iostream>
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#include <string>
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#include <vector>
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namespace vtkm
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{
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namespace io
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{
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namespace detail
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{
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struct OutputPointsFunctor
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{
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private:
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std::ostream& out;
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template <typename PortalType>
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VTKM_CONT void Output(const PortalType& portal) const
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{
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for (vtkm::Id index = 0; index < portal.GetNumberOfValues(); index++)
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{
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const int VTKDims = 3; // VTK files always require 3 dims for points
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using ValueType = typename PortalType::ValueType;
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using VecType = typename vtkm::VecTraits<ValueType>;
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const ValueType& value = portal.Get(index);
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vtkm::IdComponent numComponents = VecType::GetNumberOfComponents(value);
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for (vtkm::IdComponent c = 0; c < numComponents && c < VTKDims; c++)
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{
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out << (c == 0 ? "" : " ") << VecType::GetComponent(value, c);
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}
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for (vtkm::IdComponent c = numComponents; c < VTKDims; c++)
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{
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out << " 0";
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}
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out << '\n';
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}
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}
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public:
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VTKM_CONT
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OutputPointsFunctor(std::ostream& o)
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: out(o)
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{
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}
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template <typename T, typename Storage>
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VTKM_CONT void operator()(const vtkm::cont::ArrayHandle<T, Storage>& array) const
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{
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this->Output(array.ReadPortal());
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}
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};
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struct OutputFieldFunctor
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{
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private:
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std::ostream& out;
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template <typename PortalType>
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VTKM_CONT void Output(const PortalType& portal) const
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{
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for (vtkm::Id index = 0; index < portal.GetNumberOfValues(); index++)
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{
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using ValueType = typename PortalType::ValueType;
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using VecType = typename vtkm::VecTraits<ValueType>;
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const ValueType& value = portal.Get(index);
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vtkm::IdComponent numComponents = VecType::GetNumberOfComponents(value);
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for (vtkm::IdComponent c = 0; c < numComponents; c++)
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{
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out << (c == 0 ? "" : " ") << VecType::GetComponent(value, c);
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}
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out << '\n';
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}
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}
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public:
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VTKM_CONT
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OutputFieldFunctor(std::ostream& o)
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: out(o)
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{
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}
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template <typename T, typename Storage>
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VTKM_CONT void operator()(const vtkm::cont::ArrayHandle<T, Storage>& array) const
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{
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this->Output(array.ReadPortal());
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}
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};
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class GetDataTypeName
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{
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public:
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GetDataTypeName(std::string& name)
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: Name(&name)
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{
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}
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template <typename ArrayHandleType>
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void operator()(const ArrayHandleType&) const
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{
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using DataType = typename vtkm::VecTraits<typename ArrayHandleType::ValueType>::ComponentType;
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*this->Name = vtkm::io::internal::DataTypeName<DataType>::Name();
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}
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private:
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std::string* Name;
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};
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} // namespace detail
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struct VTKDataSetWriter
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{
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private:
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static void WritePoints(std::ostream& out, const vtkm::cont::DataSet& dataSet)
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{
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///\todo: support other coordinate systems
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int cindex = 0;
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auto cdata = dataSet.GetCoordinateSystem(cindex).GetData();
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vtkm::Id npoints = cdata.GetNumberOfValues();
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out << "POINTS " << npoints << " "
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<< vtkm::io::internal::DataTypeName<vtkm::FloatDefault>::Name() << " " << '\n';
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detail::OutputPointsFunctor{ out }(cdata);
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}
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template <class CellSetType>
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static void WriteExplicitCells(std::ostream& out, const CellSetType& cellSet)
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{
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vtkm::Id nCells = cellSet.GetNumberOfCells();
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vtkm::Id conn_length = 0;
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for (vtkm::Id i = 0; i < nCells; ++i)
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{
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conn_length += 1 + cellSet.GetNumberOfPointsInCell(i);
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}
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out << "CELLS " << nCells << " " << conn_length << '\n';
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for (vtkm::Id i = 0; i < nCells; ++i)
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{
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vtkm::cont::ArrayHandle<vtkm::Id> ids;
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vtkm::Id nids = cellSet.GetNumberOfPointsInCell(i);
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cellSet.GetIndices(i, ids);
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out << nids;
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auto IdPortal = ids.ReadPortal();
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for (int j = 0; j < nids; ++j)
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out << " " << IdPortal.Get(j);
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out << '\n';
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}
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out << "CELL_TYPES " << nCells << '\n';
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for (vtkm::Id i = 0; i < nCells; ++i)
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{
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vtkm::Id shape = cellSet.GetCellShape(i);
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out << shape << '\n';
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}
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}
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static void WriteVertexCells(std::ostream& out, const vtkm::cont::DataSet& dataSet)
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{
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vtkm::Id nCells = dataSet.GetCoordinateSystem(0).GetNumberOfPoints();
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out << "CELLS " << nCells << " " << nCells * 2 << '\n';
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for (int i = 0; i < nCells; i++)
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{
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out << "1 " << i << '\n';
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}
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out << "CELL_TYPES " << nCells << '\n';
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for (int i = 0; i < nCells; i++)
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{
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out << vtkm::CELL_SHAPE_VERTEX << '\n';
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}
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}
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static void WritePointFields(std::ostream& out, const vtkm::cont::DataSet& dataSet)
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{
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bool wrote_header = false;
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for (vtkm::Id f = 0; f < dataSet.GetNumberOfFields(); f++)
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{
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const vtkm::cont::Field field = dataSet.GetField(f);
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if (field.GetAssociation() != vtkm::cont::Field::Association::POINTS)
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{
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continue;
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}
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vtkm::Id npoints = field.GetNumberOfValues();
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int ncomps = field.GetData().GetNumberOfComponents();
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if (ncomps > 4)
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{
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continue;
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}
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if (!wrote_header)
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{
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out << "POINT_DATA " << npoints << '\n';
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wrote_header = true;
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}
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std::string typeName;
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vtkm::cont::CastAndCall(field.GetData().ResetTypes(TypeListAll{}),
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detail::GetDataTypeName(typeName));
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std::string name = field.GetName();
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for (auto& c : name)
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{
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if (std::isspace(c))
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{
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c = '_';
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}
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}
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out << "SCALARS " << name << " " << typeName << " " << ncomps << '\n';
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out << "LOOKUP_TABLE default" << '\n';
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vtkm::cont::CastAndCall(field.GetData().ResetTypes(TypeListAll{}),
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detail::OutputFieldFunctor(out));
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}
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}
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static void WriteCellFields(std::ostream& out, const vtkm::cont::DataSet& dataSet)
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{
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bool wrote_header = false;
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for (vtkm::Id f = 0; f < dataSet.GetNumberOfFields(); f++)
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{
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const vtkm::cont::Field field = dataSet.GetField(f);
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if (!field.IsFieldCell())
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{
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continue;
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}
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vtkm::Id ncells = field.GetNumberOfValues();
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int ncomps = field.GetData().GetNumberOfComponents();
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if (ncomps > 4)
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continue;
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if (!wrote_header)
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{
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out << "CELL_DATA " << ncells << '\n';
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wrote_header = true;
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}
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std::string typeName;
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vtkm::cont::CastAndCall(field.GetData().ResetTypes(TypeListAll{}),
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detail::GetDataTypeName(typeName));
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std::string name = field.GetName();
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for (auto& c : name)
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{
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if (std::isspace(c))
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{
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c = '_';
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}
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}
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out << "SCALARS " << name << " " << typeName << " " << ncomps << '\n';
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out << "LOOKUP_TABLE default" << '\n';
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vtkm::cont::CastAndCall(field.GetData().ResetTypes(TypeListAll{}),
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detail::OutputFieldFunctor(out));
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}
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}
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static void WriteDataSetAsPoints(std::ostream& out, const vtkm::cont::DataSet& dataSet)
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{
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out << "DATASET UNSTRUCTURED_GRID" << '\n';
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WritePoints(out, dataSet);
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WriteVertexCells(out, dataSet);
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}
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template <class CellSetType>
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static void WriteDataSetAsUnstructured(std::ostream& out,
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const vtkm::cont::DataSet& dataSet,
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const CellSetType& cellSet)
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{
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out << "DATASET UNSTRUCTURED_GRID" << '\n';
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WritePoints(out, dataSet);
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WriteExplicitCells(out, cellSet);
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}
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template <vtkm::IdComponent DIM>
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static void WriteDataSetAsStructured(std::ostream& out,
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const vtkm::cont::DataSet& dataSet,
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const vtkm::cont::CellSetStructured<DIM>& cellSet)
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{
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///\todo: support uniform/rectilinear
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out << "DATASET STRUCTURED_GRID" << '\n';
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auto pointDimensions = cellSet.GetPointDimensions();
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using VTraits = vtkm::VecTraits<decltype(pointDimensions)>;
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out << "DIMENSIONS ";
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out << VTraits::GetComponent(pointDimensions, 0) << " ";
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out << (DIM > 1 ? VTraits::GetComponent(pointDimensions, 1) : 1) << " ";
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out << (DIM > 2 ? VTraits::GetComponent(pointDimensions, 2) : 1) << " ";
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WritePoints(out, dataSet);
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}
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static void Write(std::ostream& out, const vtkm::cont::DataSet& dataSet, bool just_points = false)
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{
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// The Paraview parser cannot handle scientific notation:
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out << std::fixed;
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out << "# vtk DataFile Version 3.0" << '\n';
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out << "vtk output" << '\n';
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out << "ASCII" << '\n';
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if (just_points)
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{
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WriteDataSetAsPoints(out, dataSet);
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WritePointFields(out, dataSet);
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}
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else
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{
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vtkm::cont::DynamicCellSet cellSet = dataSet.GetCellSet();
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if (cellSet.IsType<vtkm::cont::CellSetExplicit<>>())
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{
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WriteDataSetAsUnstructured(out, dataSet, cellSet.Cast<vtkm::cont::CellSetExplicit<>>());
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}
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else if (cellSet.IsType<vtkm::cont::CellSetStructured<1>>())
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{
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WriteDataSetAsStructured(out, dataSet, cellSet.Cast<vtkm::cont::CellSetStructured<1>>());
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}
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else if (cellSet.IsType<vtkm::cont::CellSetStructured<2>>())
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{
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WriteDataSetAsStructured(out, dataSet, cellSet.Cast<vtkm::cont::CellSetStructured<2>>());
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}
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else if (cellSet.IsType<vtkm::cont::CellSetStructured<3>>())
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{
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WriteDataSetAsStructured(out, dataSet, cellSet.Cast<vtkm::cont::CellSetStructured<3>>());
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}
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else if (cellSet.IsType<vtkm::cont::CellSetSingleType<>>())
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{
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// these function just like explicit cell sets
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WriteDataSetAsUnstructured(out, dataSet, cellSet.Cast<vtkm::cont::CellSetSingleType<>>());
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}
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else
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{
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throw vtkm::cont::ErrorBadType("Could not determine type to write out.");
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}
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WritePointFields(out, dataSet);
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WriteCellFields(out, dataSet);
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}
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}
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public:
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VTKM_CONT
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explicit VTKDataSetWriter(const std::string& filename)
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: FileName(filename)
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{
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}
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VTKM_CONT
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void WriteDataSet(const vtkm::cont::DataSet& dataSet, bool just_points = false) const
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{
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if (dataSet.GetNumberOfCoordinateSystems() < 1)
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{
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throw vtkm::cont::ErrorBadValue(
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"DataSet has no coordinate system, which is not supported by VTK file format.");
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}
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try
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{
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std::ofstream fileStream(this->FileName.c_str(), std::fstream::trunc);
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this->Write(fileStream, dataSet, just_points);
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fileStream.close();
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}
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catch (std::ofstream::failure& error)
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{
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throw vtkm::io::ErrorIO(error.what());
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}
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||||
}
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private:
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std::string FileName;
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}; //struct VTKDataSetWriter
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||||
}
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} //namespace vtkm::io
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#endif //vtk_m_io_DataSetWriter_h
|
@ -10,27 +10,8 @@
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#ifndef vtk_m_io_writer_DataSetWriter_h
|
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#define vtk_m_io_writer_DataSetWriter_h
|
||||
|
||||
#include <cctype>
|
||||
#include <vtkm/CellShape.h>
|
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|
||||
#include <vtkm/cont/CellSetExplicit.h>
|
||||
#include <vtkm/cont/CellSetSingleType.h>
|
||||
#include <vtkm/cont/CellSetStructured.h>
|
||||
#include <vtkm/cont/DataSet.h>
|
||||
#include <vtkm/cont/ErrorBadType.h>
|
||||
#include <vtkm/cont/ErrorBadValue.h>
|
||||
#include <vtkm/cont/Field.h>
|
||||
|
||||
#include <vtkm/io/ErrorIO.h>
|
||||
|
||||
#include <vtkm/io/internal/VTKDataSetTypes.h>
|
||||
|
||||
#include <algorithm>
|
||||
#include <cstring>
|
||||
#include <fstream>
|
||||
#include <iostream>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <vtkm/Deprecated.h>
|
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#include <vtkm/io/VTKDataSetWriter.h>
|
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|
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namespace vtkm
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{
|
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@ -39,379 +20,15 @@ namespace io
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namespace writer
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{
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|
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namespace detail
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struct VTKM_DEPRECATED(1.6, "Please use vtkm::io::VTKDataSetWriter") VTKDataSetWriter
|
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: vtkm::io::VTKDataSetWriter
|
||||
{
|
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|
||||
struct OutputPointsFunctor
|
||||
{
|
||||
private:
|
||||
std::ostream& out;
|
||||
|
||||
template <typename PortalType>
|
||||
VTKM_CONT void Output(const PortalType& portal) const
|
||||
{
|
||||
for (vtkm::Id index = 0; index < portal.GetNumberOfValues(); index++)
|
||||
{
|
||||
const int VTKDims = 3; // VTK files always require 3 dims for points
|
||||
|
||||
using ValueType = typename PortalType::ValueType;
|
||||
using VecType = typename vtkm::VecTraits<ValueType>;
|
||||
|
||||
const ValueType& value = portal.Get(index);
|
||||
|
||||
vtkm::IdComponent numComponents = VecType::GetNumberOfComponents(value);
|
||||
for (vtkm::IdComponent c = 0; c < numComponents && c < VTKDims; c++)
|
||||
{
|
||||
out << (c == 0 ? "" : " ") << VecType::GetComponent(value, c);
|
||||
}
|
||||
for (vtkm::IdComponent c = numComponents; c < VTKDims; c++)
|
||||
{
|
||||
out << " 0";
|
||||
}
|
||||
out << '\n';
|
||||
}
|
||||
}
|
||||
|
||||
public:
|
||||
VTKM_CONT
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||||
OutputPointsFunctor(std::ostream& o)
|
||||
: out(o)
|
||||
VTKDataSetWriter(const std::string& filename)
|
||||
: vtkm::io::VTKDataSetWriter(filename)
|
||||
{
|
||||
}
|
||||
|
||||
template <typename T, typename Storage>
|
||||
VTKM_CONT void operator()(const vtkm::cont::ArrayHandle<T, Storage>& array) const
|
||||
{
|
||||
this->Output(array.ReadPortal());
|
||||
}
|
||||
};
|
||||
|
||||
struct OutputFieldFunctor
|
||||
{
|
||||
private:
|
||||
std::ostream& out;
|
||||
|
||||
template <typename PortalType>
|
||||
VTKM_CONT void Output(const PortalType& portal) const
|
||||
{
|
||||
for (vtkm::Id index = 0; index < portal.GetNumberOfValues(); index++)
|
||||
{
|
||||
using ValueType = typename PortalType::ValueType;
|
||||
using VecType = typename vtkm::VecTraits<ValueType>;
|
||||
|
||||
const ValueType& value = portal.Get(index);
|
||||
|
||||
vtkm::IdComponent numComponents = VecType::GetNumberOfComponents(value);
|
||||
for (vtkm::IdComponent c = 0; c < numComponents; c++)
|
||||
{
|
||||
out << (c == 0 ? "" : " ") << VecType::GetComponent(value, c);
|
||||
}
|
||||
out << '\n';
|
||||
}
|
||||
}
|
||||
|
||||
public:
|
||||
VTKM_CONT
|
||||
OutputFieldFunctor(std::ostream& o)
|
||||
: out(o)
|
||||
{
|
||||
}
|
||||
|
||||
template <typename T, typename Storage>
|
||||
VTKM_CONT void operator()(const vtkm::cont::ArrayHandle<T, Storage>& array) const
|
||||
{
|
||||
this->Output(array.ReadPortal());
|
||||
}
|
||||
};
|
||||
|
||||
class GetDataTypeName
|
||||
{
|
||||
public:
|
||||
GetDataTypeName(std::string& name)
|
||||
: Name(&name)
|
||||
{
|
||||
}
|
||||
|
||||
template <typename ArrayHandleType>
|
||||
void operator()(const ArrayHandleType&) const
|
||||
{
|
||||
using DataType = typename vtkm::VecTraits<typename ArrayHandleType::ValueType>::ComponentType;
|
||||
*this->Name = vtkm::io::internal::DataTypeName<DataType>::Name();
|
||||
}
|
||||
|
||||
private:
|
||||
std::string* Name;
|
||||
};
|
||||
|
||||
} // namespace detail
|
||||
|
||||
struct VTKDataSetWriter
|
||||
{
|
||||
private:
|
||||
static void WritePoints(std::ostream& out, const vtkm::cont::DataSet& dataSet)
|
||||
{
|
||||
///\todo: support other coordinate systems
|
||||
int cindex = 0;
|
||||
auto cdata = dataSet.GetCoordinateSystem(cindex).GetData();
|
||||
|
||||
vtkm::Id npoints = cdata.GetNumberOfValues();
|
||||
out << "POINTS " << npoints << " "
|
||||
<< vtkm::io::internal::DataTypeName<vtkm::FloatDefault>::Name() << " " << '\n';
|
||||
|
||||
detail::OutputPointsFunctor{ out }(cdata);
|
||||
}
|
||||
|
||||
template <class CellSetType>
|
||||
static void WriteExplicitCells(std::ostream& out, const CellSetType& cellSet)
|
||||
{
|
||||
vtkm::Id nCells = cellSet.GetNumberOfCells();
|
||||
|
||||
vtkm::Id conn_length = 0;
|
||||
for (vtkm::Id i = 0; i < nCells; ++i)
|
||||
{
|
||||
conn_length += 1 + cellSet.GetNumberOfPointsInCell(i);
|
||||
}
|
||||
|
||||
out << "CELLS " << nCells << " " << conn_length << '\n';
|
||||
|
||||
for (vtkm::Id i = 0; i < nCells; ++i)
|
||||
{
|
||||
vtkm::cont::ArrayHandle<vtkm::Id> ids;
|
||||
vtkm::Id nids = cellSet.GetNumberOfPointsInCell(i);
|
||||
cellSet.GetIndices(i, ids);
|
||||
out << nids;
|
||||
auto IdPortal = ids.ReadPortal();
|
||||
for (int j = 0; j < nids; ++j)
|
||||
out << " " << IdPortal.Get(j);
|
||||
out << '\n';
|
||||
}
|
||||
|
||||
out << "CELL_TYPES " << nCells << '\n';
|
||||
for (vtkm::Id i = 0; i < nCells; ++i)
|
||||
{
|
||||
vtkm::Id shape = cellSet.GetCellShape(i);
|
||||
out << shape << '\n';
|
||||
}
|
||||
}
|
||||
|
||||
static void WriteVertexCells(std::ostream& out, const vtkm::cont::DataSet& dataSet)
|
||||
{
|
||||
vtkm::Id nCells = dataSet.GetCoordinateSystem(0).GetNumberOfPoints();
|
||||
|
||||
out << "CELLS " << nCells << " " << nCells * 2 << '\n';
|
||||
for (int i = 0; i < nCells; i++)
|
||||
{
|
||||
out << "1 " << i << '\n';
|
||||
}
|
||||
out << "CELL_TYPES " << nCells << '\n';
|
||||
for (int i = 0; i < nCells; i++)
|
||||
{
|
||||
out << vtkm::CELL_SHAPE_VERTEX << '\n';
|
||||
}
|
||||
}
|
||||
|
||||
static void WritePointFields(std::ostream& out, const vtkm::cont::DataSet& dataSet)
|
||||
{
|
||||
bool wrote_header = false;
|
||||
for (vtkm::Id f = 0; f < dataSet.GetNumberOfFields(); f++)
|
||||
{
|
||||
const vtkm::cont::Field field = dataSet.GetField(f);
|
||||
|
||||
if (field.GetAssociation() != vtkm::cont::Field::Association::POINTS)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
vtkm::Id npoints = field.GetNumberOfValues();
|
||||
int ncomps = field.GetData().GetNumberOfComponents();
|
||||
if (ncomps > 4)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
if (!wrote_header)
|
||||
{
|
||||
out << "POINT_DATA " << npoints << '\n';
|
||||
wrote_header = true;
|
||||
}
|
||||
|
||||
std::string typeName;
|
||||
vtkm::cont::CastAndCall(field.GetData().ResetTypes(TypeListAll{}),
|
||||
detail::GetDataTypeName(typeName));
|
||||
std::string name = field.GetName();
|
||||
for (auto& c : name)
|
||||
{
|
||||
if (std::isspace(c))
|
||||
{
|
||||
c = '_';
|
||||
}
|
||||
}
|
||||
out << "SCALARS " << name << " " << typeName << " " << ncomps << '\n';
|
||||
out << "LOOKUP_TABLE default" << '\n';
|
||||
|
||||
vtkm::cont::CastAndCall(field.GetData().ResetTypes(TypeListAll{}),
|
||||
detail::OutputFieldFunctor(out));
|
||||
}
|
||||
}
|
||||
|
||||
static void WriteCellFields(std::ostream& out, const vtkm::cont::DataSet& dataSet)
|
||||
{
|
||||
bool wrote_header = false;
|
||||
for (vtkm::Id f = 0; f < dataSet.GetNumberOfFields(); f++)
|
||||
{
|
||||
const vtkm::cont::Field field = dataSet.GetField(f);
|
||||
if (!field.IsFieldCell())
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
|
||||
vtkm::Id ncells = field.GetNumberOfValues();
|
||||
int ncomps = field.GetData().GetNumberOfComponents();
|
||||
if (ncomps > 4)
|
||||
continue;
|
||||
|
||||
if (!wrote_header)
|
||||
{
|
||||
out << "CELL_DATA " << ncells << '\n';
|
||||
wrote_header = true;
|
||||
}
|
||||
|
||||
std::string typeName;
|
||||
vtkm::cont::CastAndCall(field.GetData().ResetTypes(TypeListAll{}),
|
||||
detail::GetDataTypeName(typeName));
|
||||
|
||||
std::string name = field.GetName();
|
||||
for (auto& c : name)
|
||||
{
|
||||
if (std::isspace(c))
|
||||
{
|
||||
c = '_';
|
||||
}
|
||||
}
|
||||
|
||||
out << "SCALARS " << name << " " << typeName << " " << ncomps << '\n';
|
||||
out << "LOOKUP_TABLE default" << '\n';
|
||||
|
||||
vtkm::cont::CastAndCall(field.GetData().ResetTypes(TypeListAll{}),
|
||||
detail::OutputFieldFunctor(out));
|
||||
}
|
||||
}
|
||||
|
||||
static void WriteDataSetAsPoints(std::ostream& out, const vtkm::cont::DataSet& dataSet)
|
||||
{
|
||||
out << "DATASET UNSTRUCTURED_GRID" << '\n';
|
||||
WritePoints(out, dataSet);
|
||||
WriteVertexCells(out, dataSet);
|
||||
}
|
||||
|
||||
template <class CellSetType>
|
||||
static void WriteDataSetAsUnstructured(std::ostream& out,
|
||||
const vtkm::cont::DataSet& dataSet,
|
||||
const CellSetType& cellSet)
|
||||
{
|
||||
out << "DATASET UNSTRUCTURED_GRID" << '\n';
|
||||
WritePoints(out, dataSet);
|
||||
WriteExplicitCells(out, cellSet);
|
||||
}
|
||||
|
||||
template <vtkm::IdComponent DIM>
|
||||
static void WriteDataSetAsStructured(std::ostream& out,
|
||||
const vtkm::cont::DataSet& dataSet,
|
||||
const vtkm::cont::CellSetStructured<DIM>& cellSet)
|
||||
{
|
||||
///\todo: support uniform/rectilinear
|
||||
out << "DATASET STRUCTURED_GRID" << '\n';
|
||||
|
||||
auto pointDimensions = cellSet.GetPointDimensions();
|
||||
using VTraits = vtkm::VecTraits<decltype(pointDimensions)>;
|
||||
|
||||
out << "DIMENSIONS ";
|
||||
out << VTraits::GetComponent(pointDimensions, 0) << " ";
|
||||
out << (DIM > 1 ? VTraits::GetComponent(pointDimensions, 1) : 1) << " ";
|
||||
out << (DIM > 2 ? VTraits::GetComponent(pointDimensions, 2) : 1) << " ";
|
||||
|
||||
WritePoints(out, dataSet);
|
||||
}
|
||||
|
||||
static void Write(std::ostream& out, const vtkm::cont::DataSet& dataSet, bool just_points = false)
|
||||
{
|
||||
// The Paraview parser cannot handle scientific notation:
|
||||
out << std::fixed;
|
||||
out << "# vtk DataFile Version 3.0" << '\n';
|
||||
out << "vtk output" << '\n';
|
||||
out << "ASCII" << '\n';
|
||||
|
||||
if (just_points)
|
||||
{
|
||||
WriteDataSetAsPoints(out, dataSet);
|
||||
WritePointFields(out, dataSet);
|
||||
}
|
||||
else
|
||||
{
|
||||
vtkm::cont::DynamicCellSet cellSet = dataSet.GetCellSet();
|
||||
if (cellSet.IsType<vtkm::cont::CellSetExplicit<>>())
|
||||
{
|
||||
WriteDataSetAsUnstructured(out, dataSet, cellSet.Cast<vtkm::cont::CellSetExplicit<>>());
|
||||
}
|
||||
else if (cellSet.IsType<vtkm::cont::CellSetStructured<1>>())
|
||||
{
|
||||
WriteDataSetAsStructured(out, dataSet, cellSet.Cast<vtkm::cont::CellSetStructured<1>>());
|
||||
}
|
||||
else if (cellSet.IsType<vtkm::cont::CellSetStructured<2>>())
|
||||
{
|
||||
WriteDataSetAsStructured(out, dataSet, cellSet.Cast<vtkm::cont::CellSetStructured<2>>());
|
||||
}
|
||||
else if (cellSet.IsType<vtkm::cont::CellSetStructured<3>>())
|
||||
{
|
||||
WriteDataSetAsStructured(out, dataSet, cellSet.Cast<vtkm::cont::CellSetStructured<3>>());
|
||||
}
|
||||
else if (cellSet.IsType<vtkm::cont::CellSetSingleType<>>())
|
||||
{
|
||||
// these function just like explicit cell sets
|
||||
WriteDataSetAsUnstructured(out, dataSet, cellSet.Cast<vtkm::cont::CellSetSingleType<>>());
|
||||
}
|
||||
else
|
||||
{
|
||||
throw vtkm::cont::ErrorBadType("Could not determine type to write out.");
|
||||
}
|
||||
|
||||
WritePointFields(out, dataSet);
|
||||
WriteCellFields(out, dataSet);
|
||||
}
|
||||
}
|
||||
|
||||
public:
|
||||
VTKM_CONT
|
||||
explicit VTKDataSetWriter(const std::string& filename)
|
||||
: FileName(filename)
|
||||
{
|
||||
}
|
||||
|
||||
VTKM_CONT
|
||||
void WriteDataSet(const vtkm::cont::DataSet& dataSet, bool just_points = false) const
|
||||
{
|
||||
if (dataSet.GetNumberOfCoordinateSystems() < 1)
|
||||
{
|
||||
throw vtkm::cont::ErrorBadValue(
|
||||
"DataSet has no coordinate system, which is not supported by VTK file format.");
|
||||
}
|
||||
try
|
||||
{
|
||||
std::ofstream fileStream(this->FileName.c_str(), std::fstream::trunc);
|
||||
this->Write(fileStream, dataSet, just_points);
|
||||
fileStream.close();
|
||||
}
|
||||
catch (std::ofstream::failure& error)
|
||||
{
|
||||
throw vtkm::io::ErrorIO(error.what());
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
std::string FileName;
|
||||
|
||||
}; //struct VTKDataSetWriter
|
||||
}
|
||||
}
|
||||
} //namespace vtkm::io::writer
|
||||
|
@ -23,7 +23,7 @@ vtkm::UInt32 DecodePNG(std::vector<unsigned char>& out_image,
|
||||
unsigned long& image_width,
|
||||
unsigned long& image_height,
|
||||
const unsigned char* in_png,
|
||||
std::size_t in_size) VTKM_DEPRECATED("Please use vtkm::io::DecodePNG")
|
||||
std::size_t in_size) VTKM_DEPRECATED(1.6, "Please use vtkm::io::DecodePNG")
|
||||
{
|
||||
return vtkm::io::DecodePNG(out_image, image_width, image_height, in_png, in_size);
|
||||
}
|
||||
|
@ -23,7 +23,7 @@ vtkm::UInt32 EncodePNG(std::vector<unsigned char> const& image,
|
||||
unsigned long width,
|
||||
unsigned long height,
|
||||
unsigned char* out_png,
|
||||
std::size_t out_size) VTKM_DEPRECATED("Please use vtkm::io::EncodePNG.")
|
||||
std::size_t out_size) VTKM_DEPRECATED(1.6, "Please use vtkm::io::EncodePNG.")
|
||||
{
|
||||
return io::EncodePNG(image, width, height, out_png, out_size);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user