vtk-m/vtkm/filter/ZFPDecompressor1D.hxx

80 lines
2.9 KiB
C++

//============================================================================
// 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.
//============================================================================
#include <vtkm/cont/CellSetStructured.h>
#include <vtkm/cont/DynamicCellSet.h>
#include <vtkm/cont/ErrorFilterExecution.h>
namespace vtkm
{
namespace filter
{
//-----------------------------------------------------------------------------
inline VTKM_CONT ZFPDecompressor1D::ZFPDecompressor1D()
: vtkm::filter::FilterField<ZFPDecompressor1D>()
{
}
//-----------------------------------------------------------------------------
template <typename T, typename StorageType, typename DerivedPolicy>
inline VTKM_CONT vtkm::cont::DataSet ZFPDecompressor1D::DoExecute(
const vtkm::cont::DataSet&,
const vtkm::cont::ArrayHandle<T, StorageType>&,
const vtkm::filter::FieldMetadata&,
const vtkm::filter::PolicyBase<DerivedPolicy>&)
{
VTKM_ASSERT(true);
vtkm::cont::DataSet ds;
return ds;
}
//-----------------------------------------------------------------------------
template <typename StorageType, typename DerivedPolicy>
inline VTKM_CONT vtkm::cont::DataSet ZFPDecompressor1D::DoExecute(
const vtkm::cont::DataSet& input,
const vtkm::cont::ArrayHandle<vtkm::Int64, StorageType>& field,
const vtkm::filter::FieldMetadata&,
const vtkm::filter::PolicyBase<DerivedPolicy>&)
{
// Check the fields of the dataset to see what kinds of fields are present so
// we can free the mapping arrays that won't be needed. A point field must
// exist for this algorithm, so just check cells.
const vtkm::Id numFields = input.GetNumberOfFields();
bool hasCellFields = false;
for (vtkm::Id fieldIdx = 0; fieldIdx < numFields && !hasCellFields; ++fieldIdx)
{
auto f = input.GetField(fieldIdx);
if (f.GetAssociation() == vtkm::cont::Field::Association::CELL_SET)
{
hasCellFields = true;
}
}
vtkm::cont::ArrayHandle<vtkm::Float64> decompress;
decompressor.Decompress(field, decompress, rate, field.GetNumberOfValues());
vtkm::cont::DataSet dataset;
dataset.AddField(vtkm::cont::make_FieldPoint("decompressed", decompress));
return dataset;
}
//-----------------------------------------------------------------------------
template <typename T, typename StorageType, typename DerivedPolicy>
inline VTKM_CONT bool ZFPDecompressor1D::DoMapField(vtkm::cont::DataSet&,
const vtkm::cont::ArrayHandle<T, StorageType>&,
const vtkm::filter::FieldMetadata&,
const vtkm::filter::PolicyBase<DerivedPolicy>&)
{
return false;
}
}
} // namespace vtkm::filter