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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPixelExtentIO.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 "vtkPixelExtentIO.h"
#include "vtkUnstructuredGrid.h"
#include "vtkCellType.h"
#include "vtkCellArray.h"
#include "vtkPoints.h"
#include "vtkCellData.h"
#include "vtkUnsignedCharArray.h"
#include "vtkIntArray.h"
#include "vtkIdTypeArray.h"
#include "vtkFloatArray.h"
#include "vtkDataSetWriter.h"
using std::deque;
// ----------------------------------------------------------------------------
vtkUnstructuredGrid &operator<<(
vtkUnstructuredGrid &data,
const vtkPixelExtent &ext)
{
// initialize empty dataset
if (data.GetNumberOfCells()<1)
{
vtkPoints *opts=vtkPoints::New();
data.SetPoints(opts);
opts->Delete();
vtkCellArray *cells=vtkCellArray::New();
vtkUnsignedCharArray *types=vtkUnsignedCharArray::New();
vtkIdTypeArray *locs=vtkIdTypeArray::New();
data.SetCells(types,locs,cells);
cells->Delete();
types->Delete();
locs->Delete();
}
// cell to node
vtkPixelExtent next(ext);
next.CellToNode();
// build the cell
vtkFloatArray *pts=dynamic_cast<vtkFloatArray*>(data.GetPoints()->GetData());
vtkIdType ptId=pts->GetNumberOfTuples();
float *ppts=pts->WritePointer(3*ptId,12);
int id[12]={
0,2,-1,
1,2,-1,
1,3,-1,
0,3,-1};
vtkIdType ptIds[4];
for (int i=0; i<4; ++i)
{
ppts[3*i+2]=0.0;
for (int j=0; j<2; ++j)
{
int q=3*i+j;
ppts[q]=next[id[q]];
}
ptIds[i]=ptId+i;
}
data.InsertNextCell(VTK_QUAD,4,ptIds);
return data;
}
// ----------------------------------------------------------------------------
void vtkPixelExtentIO::Write(
int commRank,
const char *fileName,
const deque<deque<vtkPixelExtent> >&exts)
{
if (commRank!=0)
{
// only rank 0 writes
return;
}
vtkUnstructuredGrid *data=vtkUnstructuredGrid::New();
vtkIntArray *rank=vtkIntArray::New();
rank->SetName("rank");
data->GetCellData()->AddArray(rank);
rank->Delete();
vtkIntArray *block=vtkIntArray::New();
block->SetName("block");
data->GetCellData()->AddArray(block);
block->Delete();
size_t nRanks=exts.size();
for (size_t i=0; i<nRanks; ++i)
{
size_t nBlocks = exts[i].size();
for (size_t j=0; j<nBlocks; ++j)
{
const vtkPixelExtent &ext = exts[i][j];
*data << ext;
rank->InsertNextTuple1(i);
block->InsertNextTuple1(j);
}
}
vtkDataSetWriter *idw=vtkDataSetWriter::New();
idw->SetFileName(fileName);
idw->SetInputData(data);
idw->Write();
idw->Delete();
data->Delete();
}
// ----------------------------------------------------------------------------
void vtkPixelExtentIO::Write(
int commRank,
const char *fileName,
const deque<vtkPixelExtent> &exts)
{
if (commRank!=0)
{
// only rank 0 will write
return;
}
vtkUnstructuredGrid *data=vtkUnstructuredGrid::New();
vtkIntArray *rank=vtkIntArray::New();
rank->SetName("rank");
data->GetCellData()->AddArray(rank);
rank->Delete();
int nExts=static_cast<int>(exts.size());
rank->SetNumberOfTuples(nExts);
int *pRank = rank->GetPointer(0);
for (int i=0; i<nExts; ++i)
{
const vtkPixelExtent &ext = exts[i];
*data << ext;
pRank[i] = i;
}
vtkDataSetWriter *idw=vtkDataSetWriter::New();
idw->SetFileName(fileName);
idw->SetInputData(data);
idw->Write();
idw->Delete();
data->Delete();
}
// ----------------------------------------------------------------------------
void vtkPixelExtentIO::Write(
int commRank,
const char *fileName,
const vtkPixelExtent &ext)
{
vtkUnstructuredGrid *data=vtkUnstructuredGrid::New();
vtkIntArray *rank=vtkIntArray::New();
rank->SetName("rank");
data->GetCellData()->AddArray(rank);
rank->Delete();
rank->SetNumberOfTuples(1);
int *pRank = rank->GetPointer(0);
*data << ext;
pRank[0] = commRank;
vtkDataSetWriter *idw=vtkDataSetWriter::New();
idw->SetFileName(fileName);
idw->SetInputData(data);
idw->Write();
idw->Delete();
data->Delete();
}
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