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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkMetaImageWriter.cxx,v $
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 "vtkMetaImageWriter.h"
#include "vtkImageData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkDataSetAttributes.h"
#include <vtkstd/string>
#include <sys/stat.h>
//----------------------------------------------------------------------------
vtkCxxRevisionMacro(vtkMetaImageWriter, "$Revision: 1.13 $");
vtkStandardNewMacro(vtkMetaImageWriter);
//----------------------------------------------------------------------------
vtkMetaImageWriter::vtkMetaImageWriter()
{
this->MHDFileName = 0;
this->FileLowerLeft = 1;
}
//----------------------------------------------------------------------------
vtkMetaImageWriter::~vtkMetaImageWriter()
{
this->SetFileName(0);
}
//----------------------------------------------------------------------------
void vtkMetaImageWriter::SetFileName(const char* fname)
{
this->SetMHDFileName(fname);
}
//----------------------------------------------------------------------------
void vtkMetaImageWriter::SetRAWFileName(const char* fname)
{
this->Superclass::SetFileName(fname);
}
//----------------------------------------------------------------------------
char* vtkMetaImageWriter::GetRAWFileName()
{
return this->Superclass::GetFileName();
}
//----------------------------------------------------------------------------
int vtkMetaImageWriter::RequestData(
vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector)
{
vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
vtkImageData *input =
vtkImageData::SafeDownCast(inInfo->Get(vtkDataObject::DATA_OBJECT()));
// Error checking
if (input == NULL )
{
vtkErrorMacro(<<"Write:Please specify an input!");
return 0;
}
if ( !this->MHDFileName )
{
vtkErrorMacro("Output file name not specified");
return 0;
}
if ( !this->GetRAWFileName() )
{
vtkDebugMacro("Raw file name not specified. Specifying one...");
// Allocate new file name and leave space for extension
char* rfname = new char [ strlen(this->MHDFileName) + 10 ];
strcpy(rfname, this->MHDFileName);
size_t cc;
for ( cc = strlen(rfname)-1; cc > 0; cc -- )
{
if ( rfname[cc] == '.' )
{
rfname[cc] = 0;
break;
}
if ( rfname[cc] == '/' || rfname[cc] == '\\' )
{
break;
}
}
strcat(rfname, ".raw");
if ( strcmp(rfname, this->MHDFileName) == 0 )
{
strcat(rfname, ".raw");
}
this->SetRAWFileName(rfname);
delete [] rfname;
}
ofstream ofs_with_warning_C4701(this->MHDFileName, ios::out);
if ( !ofs_with_warning_C4701 )
{
vtkErrorMacro("Cannot open file: " << this->MHDFileName << " for writing");
return 0;
}
int ndims = 3;
int ext[6];
inInfo->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(),ext);
if ( ext[4] == ext[5] )
{
ndims = 2;
if ( ext[2] == ext[3] )
{
ndims = 1;
}
}
double origin[3];
double spacing[3];
inInfo->Get(vtkDataObject::ORIGIN(),origin);
inInfo->Get(vtkDataObject::SPACING(),spacing);
const char* scalar_type;
vtkInformation *scalarInfo = vtkDataObject::GetActiveFieldInformation(inInfo,
vtkDataObject::FIELD_ASSOCIATION_POINTS, vtkDataSetAttributes::SCALARS);
if (!scalarInfo)
{
vtkErrorMacro( "No active scalar information!" );
return 0;
}
switch ( scalarInfo->Get(vtkDataObject::FIELD_ARRAY_TYPE()) )
{
case VTK_CHAR: scalar_type = "MET_CHAR"; break;
case VTK_UNSIGNED_CHAR: scalar_type = "MET_UCHAR"; break;
case VTK_SHORT: scalar_type = "MET_SHORT"; break;
case VTK_UNSIGNED_SHORT: scalar_type = "MET_USHORT"; break;
case VTK_INT: scalar_type = "MET_INT"; break;
case VTK_UNSIGNED_INT: scalar_type = "MET_UINT"; break;
case VTK_LONG: scalar_type = "MET_LONG"; break;
case VTK_UNSIGNED_LONG: scalar_type = "MET_ULONG"; break;
case VTK_FLOAT: scalar_type = "MET_FLOAT"; break;
case VTK_DOUBLE: scalar_type = "MET_DOUBLE"; break;
default:
vtkErrorMacro("Unknown scalar type: "
<< scalarInfo->Get(vtkDataObject::FIELD_ARRAY_TYPE()));
return 1;
}
origin[0] += ext[0] * spacing[0];
origin[1] += ext[2] * spacing[1];
origin[2] += ext[4] * spacing[2];
const char* data_file = this->GetRAWFileName();
int pos = 0;
int cc;
for ( cc = 0; data_file[cc]; cc ++ )
{
if ( data_file[cc] == '/' || data_file[cc] == '\\' )
{
pos = cc;
}
}
if ( pos > 0 )
{
if ( strncmp(data_file, this->GetFileName(), pos) == 0 )
{
data_file = this->GetRAWFileName() + pos + 1;
}
}
ofs_with_warning_C4701
<< "ObjectType = Image" << endl
<< "NDims = " << ndims << endl
<< "BinaryData = True" << endl
#ifdef VTK_WORDS_BIGENDIAN
<< "BinaryDataByteOrderMSB = True" << endl
#else
<< "BinaryDataByteOrderMSB = False" << endl
#endif
<< "ElementSpacing = "
<< spacing[0] << " " << spacing[1] << " " << spacing[2] << endl
<< "DimSize = " << (ext[1]-ext[0]+1) << " "
<< (ext[3]-ext[2]+1) << " " << (ext[5]-ext[4]+1) << endl
<< "Position = "
<< origin[0] << " " << origin[1] << " " << origin[2] << endl
<< "ElementNumberOfChannels = "
<< scalarInfo->Get(vtkDataObject::FIELD_NUMBER_OF_COMPONENTS()) << endl
<< "ElementType = " << scalar_type
<< (scalarInfo->Get(vtkDataObject::FIELD_NUMBER_OF_COMPONENTS()) > 1?"_ARRAY":"") << endl
<< "ElementDataFile = " << data_file << endl;
this->SetFileDimensionality(ndims);
return this->Superclass::RequestData(request,inputVector,outputVector);
}
//----------------------------------------------------------------------------
void vtkMetaImageWriter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "MHDFileName: " << (this->MHDFileName?this->MHDFileName:"(none)") << endl;
}
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