mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 13:23:51 +00:00
63 lines
1.6 KiB
C++
63 lines
1.6 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/io/VTKStructuredGridReader.h>
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namespace vtkm
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{
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namespace io
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{
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VTKStructuredGridReader::VTKStructuredGridReader(const char* fileName)
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: VTKDataSetReaderBase(fileName)
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{
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}
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VTKStructuredGridReader::VTKStructuredGridReader(const std::string& fileName)
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: VTKDataSetReaderBase(fileName)
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{
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}
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void VTKStructuredGridReader::Read()
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{
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if (this->DataFile->Structure != vtkm::io::internal::DATASET_STRUCTURED_GRID)
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{
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throw vtkm::io::ErrorIO("Incorrect DataSet type");
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}
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std::string tag;
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//We need to be able to handle VisIt files which dump Field data
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//at the top of a VTK file
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this->DataFile->Stream >> tag;
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if (tag == "FIELD")
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{
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this->ReadGlobalFields();
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this->DataFile->Stream >> tag;
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}
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// Read structured grid specific meta-data
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internal::parseAssert(tag == "DIMENSIONS");
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vtkm::Id3 dim;
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this->DataFile->Stream >> dim[0] >> dim[1] >> dim[2] >> std::ws;
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this->DataSet.SetCellSet(internal::CreateCellSetStructured(dim));
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// Read the points
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this->DataFile->Stream >> tag;
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internal::parseAssert(tag == "POINTS");
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this->ReadPoints();
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// Read points and cell attributes
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this->ReadAttributes();
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}
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}
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} // namespace vtkm::io
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