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/*=========================================================================
Program: Visualization Toolkit
Module: vtkXMLUniformGridAMRWriter.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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 "vtkXMLUniformGridAMRWriter.h"
#include "vtkAMRBox.h"
#include "vtkErrorCode.h"
#include "vtkInformation.h"
#include "vtkObjectFactory.h"
#include "vtkOverlappingAMR.h"
#include "vtkSmartPointer.h"
#include "vtkUniformGrid.h"
#include "vtkXMLDataElement.h"
#include <cassert>
vtkStandardNewMacro(vtkXMLUniformGridAMRWriter);
//----------------------------------------------------------------------------
vtkXMLUniformGridAMRWriter::vtkXMLUniformGridAMRWriter()
{
}
//----------------------------------------------------------------------------
vtkXMLUniformGridAMRWriter::~vtkXMLUniformGridAMRWriter()
{
}
//----------------------------------------------------------------------------
int vtkXMLUniformGridAMRWriter::FillInputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkUniformGridAMR");
return 1;
}
//----------------------------------------------------------------------------
int vtkXMLUniformGridAMRWriter::WriteComposite(vtkCompositeDataSet* compositeData,
vtkXMLDataElement* parent, int &writerIdx)
{
vtkUniformGridAMR* amr = vtkUniformGridAMR::SafeDownCast(compositeData);
assert(amr != NULL);
vtkOverlappingAMR* oamr = vtkOverlappingAMR::SafeDownCast(amr);
// For vtkOverlappingAMR, we need to add additional meta-data to the XML.
if (oamr)
{
const double *origin = oamr->GetOrigin();
// I cannot decide what case to use. The other VTK-XML format used mixed
// case for attributes, but the composite files are using all lower case
// attributes. For consistency, I'm sticking with that.
parent->SetVectorAttribute("origin", 3, origin);
const char* gridDescription = "";
switch (oamr->GetGridDescription())
{
case VTK_XY_PLANE:
gridDescription = "XY";
break;
case VTK_YZ_PLANE:
gridDescription = "YZ";
break;
case VTK_XZ_PLANE:
gridDescription = "XZ";
break;
case VTK_XYZ_GRID:
default:
gridDescription = "XYZ";
break;
}
parent->SetAttribute("grid_description", gridDescription);
}
unsigned int numLevels = amr->GetNumberOfLevels();
// Iterate over each level.
for (unsigned int level=0; level < numLevels; level++)
{
vtkSmartPointer<vtkXMLDataElement> block = vtkSmartPointer<vtkXMLDataElement>::New();
block->SetName("Block");
block->SetIntAttribute("level", level);
if (oamr)
{
// save spacing for each level.
double spacing[3];
oamr->GetSpacing(level, spacing);
block->SetVectorAttribute("spacing", 3, spacing);
// we no longer save the refinement ratios since those can be deduced from
// the spacing very easily.
}
unsigned int numDS = amr->GetNumberOfDataSets(level);
for (unsigned int cc=0; cc < numDS; cc++)
{
vtkUniformGrid* ug = amr->GetDataSet(level, cc);
vtkSmartPointer<vtkXMLDataElement> datasetXML =
vtkSmartPointer<vtkXMLDataElement>::New();
datasetXML->SetName("DataSet");
datasetXML->SetIntAttribute("index", cc);
if (oamr)
{
// AMRBox meta-data is available only for vtkOverlappingAMR. Also this
// meta-data is expected to be consistent (and available) on all
// processes so we don't have to worry about missing amr-box
// information.
const vtkAMRBox& amrBox = oamr->GetAMRBox(level, cc);
int box_buffer[6];
box_buffer[0] = amrBox.GetLoCorner()[0];
box_buffer[1] = amrBox.GetHiCorner()[0];
box_buffer[2] = amrBox.GetLoCorner()[1];
box_buffer[3] = amrBox.GetHiCorner()[1];
box_buffer[4] = amrBox.GetLoCorner()[2];
box_buffer[5] = amrBox.GetHiCorner()[2];
// Don't use vtkAMRBox.Serialize() since it writes the box in a different
// order than we wrote the box in traditionally. The expected order is
// (xLo, xHi, yLo, yHi, zLo, zHi).
datasetXML->SetVectorAttribute("amr_box", 6, box_buffer);
}
vtkStdString fileName = this->CreatePieceFileName(writerIdx);
if (fileName != "")
{
// if fileName is empty, it implies that no file is written out for this
// node, so don't add a filename attribute for it.
datasetXML->SetAttribute("file", fileName);
}
block->AddNestedElement(datasetXML);
// if this->WriteNonCompositeData() returns 0, it doesn't meant it's an
// error, it just means that it didn't write a file for the current node.
this->WriteNonCompositeData(ug, datasetXML, writerIdx, fileName.c_str());
if (this->GetErrorCode() != vtkErrorCode::NoError)
{
return 0;
}
}
parent->AddNestedElement(block);
}
return 1;
}
//----------------------------------------------------------------------------
void vtkXMLUniformGridAMRWriter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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