mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
96 lines
3.4 KiB
C++
96 lines
3.4 KiB
C++
//============================================================================
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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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#include <vtkm/cont/ArrayHandleIndex.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/DynamicCellSet.h>
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#include <vtkm/cont/ErrorFilterExecution.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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namespace vtkm
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{
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namespace filter
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{
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//-----------------------------------------------------------------------------
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inline VTKM_CONT ZFPDecompressor2D::ZFPDecompressor2D()
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: vtkm::filter::FilterField<ZFPDecompressor2D>()
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{
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}
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//-----------------------------------------------------------------------------
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template <typename T, typename StorageType, typename DerivedPolicy>
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inline VTKM_CONT vtkm::cont::DataSet ZFPDecompressor2D::DoExecute(
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const vtkm::cont::DataSet&,
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const vtkm::cont::ArrayHandle<T, StorageType>&,
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const vtkm::filter::FieldMetadata&,
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const vtkm::filter::PolicyBase<DerivedPolicy>&)
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{
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VTKM_ASSERT(true);
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vtkm::cont::DataSet ds;
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return ds;
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}
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//-----------------------------------------------------------------------------
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template <typename StorageType, typename DerivedPolicy>
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inline VTKM_CONT vtkm::cont::DataSet ZFPDecompressor2D::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<vtkm::Int64, StorageType>& field,
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const vtkm::filter::FieldMetadata&,
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const vtkm::filter::PolicyBase<DerivedPolicy>&)
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{
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// if (fieldMeta.IsPointField() == false)
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// {
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// throw vtkm::cont::ErrorFilterExecution("Point field expected.");
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// }
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// Check the fields of the dataset to see what kinds of fields are present so
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// we can free the mapping arrays that won't be needed. A point field must
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// exist for this algorithm, so just check cells.
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const vtkm::Id numFields = input.GetNumberOfFields();
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bool hasCellFields = false;
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for (vtkm::Id fieldIdx = 0; fieldIdx < numFields && !hasCellFields; ++fieldIdx)
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{
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auto f = input.GetField(fieldIdx);
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if (f.GetAssociation() == vtkm::cont::Field::Association::CELL_SET)
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{
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hasCellFields = true;
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}
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}
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vtkm::cont::CellSetStructured<2> cellSet;
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input.GetCellSet(this->GetActiveCoordinateSystemIndex()).CopyTo(cellSet);
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vtkm::Id2 pointDimensions = cellSet.GetPointDimensions();
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vtkm::cont::ArrayHandle<vtkm::Float64> decompress;
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decompressor.Decompress(field, decompress, rate, pointDimensions);
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vtkm::cont::DataSet dataset;
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vtkm::cont::Field decompressField(
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"decompressed", vtkm::cont::Field::Association::POINTS, decompress);
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dataset.AddField(decompressField);
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return dataset;
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}
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//-----------------------------------------------------------------------------
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template <typename T, typename StorageType, typename DerivedPolicy>
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inline VTKM_CONT bool ZFPDecompressor2D::DoMapField(vtkm::cont::DataSet&,
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const vtkm::cont::ArrayHandle<T, StorageType>&,
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const vtkm::filter::FieldMetadata&,
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const vtkm::filter::PolicyBase<DerivedPolicy>&)
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{
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return false;
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}
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}
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} // namespace vtkm::filter
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