Cloned library of VTK-5.0.0 with extra build files for internal package management.
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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkGaussianCubeReader.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 "vtkGaussianCubeReader.h"
#include "vtkImageData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkPointData.h"
#include "vtkPoints.h"
#include "vtkFloatArray.h"
#include "vtkIdTypeArray.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkTransform.h"
#include <ctype.h>
vtkCxxRevisionMacro(vtkGaussianCubeReader, "$Revision: 1.16 $");
vtkStandardNewMacro(vtkGaussianCubeReader);
//----------------------------------------------------------------------------
// Construct object with merging set to true.
vtkGaussianCubeReader::vtkGaussianCubeReader()
{
this->FileName = NULL;
this->Transform = vtkTransform::New();
// Add the second output for the grid data
this->SetNumberOfOutputPorts(2);
vtkImageData *grid;
grid = vtkImageData::New();
grid->ReleaseData();
this->GetExecutive()->SetOutputData(1, grid);
grid->Delete();
}
//----------------------------------------------------------------------------
vtkGaussianCubeReader::~vtkGaussianCubeReader()
{
if (this->FileName)
{
delete [] this->FileName;
}
this->Transform->Delete();
// must delete the second output added
}
//----------------------------------------------------------------------------
int vtkGaussianCubeReader::RequestData(
vtkInformation *vtkNotUsed(request),
vtkInformationVector **vtkNotUsed(inputVector),
vtkInformationVector *outputVector)
{
vtkInformation *outInfo = outputVector->GetInformationObject(0);
vtkPolyData *output = vtkPolyData::SafeDownCast(
outInfo->Get(vtkDataObject::DATA_OBJECT()));
FILE *fp;
char title[256];
char data_name[256];
double elements[16];
int JN1, N1N2, n1, n2, n3, i, j, k;
float tmp, *cubedata;
bool orbitalCubeFile = false;
int numberOfOrbitals;
// Output 0 (the default is the polydata)
// Output 1 will be the gridded Image data
vtkImageData *grid = this->GetGridOutput();
if (!this->FileName)
{
return 0;
}
if ((fp = fopen(this->FileName, "r")) == NULL)
{
vtkErrorMacro(<< "File " << this->FileName << " not found");
return 0;
}
fgets(title, 256, fp);
if(strtok(title, ":") != NULL)
{
if(strtok(NULL, ":") != NULL)
{
strcpy(data_name, strtok(NULL, ":"));
fprintf(stderr,"label = %s\n", data_name);
}
}
fgets(title, 256, fp);
// Read in number of atoms, x-origin, y-origin z-origin
//
fscanf(fp, "%d %lf %lf %lf", &(this->NumberOfAtoms), &elements[3],
&elements[7], &elements[11]);
if(this->NumberOfAtoms < 0 )
{
this->NumberOfAtoms = -this->NumberOfAtoms;
orbitalCubeFile = true;
}
fscanf(fp, "%d %lf %lf %lf", &n1, &elements[0], &elements[4], &elements[8]);
fscanf(fp, "%d %lf %lf %lf", &n2, &elements[1], &elements[5], &elements[9]);
fscanf(fp, "%d %lf %lf %lf", &n3, &elements[2], &elements[6], &elements[10]);
elements[12] = 0;
elements[13] = 0;
elements[14] = 0;
elements[15] = 1;
vtkDebugMacro(<< "Grid Size " << n1 << " " << n2 << " " << n3);
Transform->SetMatrix(elements);
Transform->Inverse();
this->ReadMolecule(fp, output);
if(orbitalCubeFile)
{
fscanf(fp,"%d", &numberOfOrbitals);
for(k = 0; k < numberOfOrbitals; k++)
{
fscanf(fp,"%f", &tmp);
}
}
vtkInformation *gridInfo = this->GetExecutive()->GetOutputInformation(1);
gridInfo->Set(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(),
0, n1-1, 0, n2-1, 0, n3-1);
gridInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_EXTENT(),
gridInfo->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()),
6);
grid->SetExtent(
gridInfo->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()));
grid->SetOrigin(0, 0, 0);
grid->SetSpacing(1, 1, 1);
grid->SetScalarTypeToFloat();
grid->AllocateScalars();
grid->GetPointData()->GetScalars()->SetName(title);
cubedata = (float *)grid->GetPointData()->GetScalars()->GetVoidPointer(0);
N1N2 = n1*n2;
for(i = 0; i < n1; i++)
{
JN1 = 0;
for(j = 0; j < n2; j++)
{
for(k = 0; k < n3; k++)
{
fscanf(fp,"%f", &tmp);
cubedata[k*N1N2 + JN1 + i] = tmp;
}
JN1 += n1;
}
}
fclose(fp);
return 1;
}
//----------------------------------------------------------------------------
void vtkGaussianCubeReader::ReadSpecificMolecule(FILE* fp)
{
int i, j;
float x[3];
float dummy;
for(i = 0; i < this->NumberOfAtoms; i++)
{
fscanf(fp, "%d %f %f %f %f", &j, &dummy, x, x+1, x+2);
this->Transform->TransformPoint(x, x);
this->Points->InsertNextPoint(x);
this->AtomType->InsertNextValue(j-1);
}
}
//----------------------------------------------------------------------------
vtkImageData *vtkGaussianCubeReader::GetGridOutput()
{
if (this->GetNumberOfOutputPorts() < 2)
{
return NULL;
}
return vtkImageData::SafeDownCast(
this->GetExecutive()->GetOutputData(1));
}
//----------------------------------------------------------------------------
void vtkGaussianCubeReader::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << "Filename: " << (this->FileName?this->FileName:"(none)") << "\n";
os << "Tranform: ";
if( this->Transform )
{
os << endl;
this->Transform->PrintSelf(os, indent.GetNextIndent());
}
else
{
os << "(none)\n";
}
}
//----------------------------------------------------------------------------
// Default implementation - copy information from first input to all outputs
int vtkGaussianCubeReader::RequestInformation(
vtkInformation *vtkNotUsed(request),
vtkInformationVector **vtkNotUsed(inputVector),
vtkInformationVector *vtkNotUsed(outputVector))
{
// the set the information for the imagedat output
vtkInformation *gridInfo = this->GetExecutive()->GetOutputInformation(1);
FILE *fp;
char title[256];
if (!this->FileName)
{
return 0;
}
if ((fp = fopen(this->FileName, "r")) == NULL)
{
vtkErrorMacro(<< "File " << this->FileName << " not found");
return 0;
}
fgets(title, 256, fp);
fgets(title, 256, fp);
// Read in number of atoms, x-origin, y-origin z-origin
double tmpd;
int n1, n2, n3;
fscanf(fp, "%d %lf %lf %lf", &n1, &tmpd, &tmpd, &tmpd);
fscanf(fp, "%d %lf %lf %lf", &n1, &tmpd, &tmpd, &tmpd);
fscanf(fp, "%d %lf %lf %lf", &n2, &tmpd, &tmpd, &tmpd);
fscanf(fp, "%d %lf %lf %lf", &n3, &tmpd, &tmpd, &tmpd);
vtkDebugMacro(<< "Grid Size " << n1 << " " << n2 << " " << n3);
gridInfo->Set(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(),
0, n1-1, 0, n2-1, 0, n3-1);
gridInfo->Set(vtkDataObject::ORIGIN(), 0, 0, 0);
gridInfo->Set(vtkDataObject::SPACING(), 1, 1, 1);
fclose(fp);
vtkDataObject::SetPointDataActiveScalarInfo(gridInfo, VTK_FLOAT, -1);
return 1;
}
//----------------------------------------------------------------------------
int vtkGaussianCubeReader::FillOutputPortInformation(int port,
vtkInformation* info)
{
if(port == 0)
{
return this->Superclass::FillOutputPortInformation(port, info);
}
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkImageData");
return 1;
}