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/*=========================================================================
Program: Visualization Toolkit
Module: vtkAssignCoordinates.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.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#include "vtkAssignCoordinates.h"
#include "vtkGraph.h"
#include "vtkIdTypeArray.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMath.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkPointSet.h"
#include "vtkPoints.h"
vtkStandardNewMacro(vtkAssignCoordinates);
vtkAssignCoordinates::vtkAssignCoordinates()
{
this->XCoordArrayName = 0;
this->YCoordArrayName = 0;
this->ZCoordArrayName = 0;
this->Jitter = false;
}
vtkAssignCoordinates::~vtkAssignCoordinates()
{
delete[] this->XCoordArrayName;
delete[] this->YCoordArrayName;
delete[] this->ZCoordArrayName;
}
int vtkAssignCoordinates::RequestData(vtkInformation *vtkNotUsed(request),
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
// get the info objects
vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
vtkInformation *outInfo = outputVector->GetInformationObject(0);
// get the input and output
vtkDataObject *input = inInfo->Get(vtkDataObject::DATA_OBJECT());
vtkDataObject *output = outInfo->Get(vtkDataObject::DATA_OBJECT());
// Do a shallow copy of the input to the output
output->ShallowCopy(input);
// Create new points on the output
vtkDataSetAttributes *data = 0;
vtkPoints* pts = vtkPoints::New();
if (vtkPointSet::SafeDownCast(input))
{
vtkPointSet *psInput = vtkPointSet::SafeDownCast(input);
vtkPointSet *psOutput = vtkPointSet::SafeDownCast(output);
pts->DeepCopy(psInput->GetPoints());
psOutput->SetPoints(pts);
pts->Delete();
data = psOutput->GetPointData();
}
else if (vtkGraph::SafeDownCast(input))
{
vtkGraph *graphInput = vtkGraph::SafeDownCast(input);
vtkGraph *graphOutput = vtkGraph::SafeDownCast(output);
pts->DeepCopy(graphInput->GetPoints());
graphOutput->SetPoints(pts);
pts->Delete();
data = graphOutput->GetVertexData();
}
else
{
vtkErrorMacro(<<"Input must be graph or point set.");
return 0;
}
// I need at least one coordinate array
if (!this->XCoordArrayName || strlen(XCoordArrayName) == 0)
{
return 0;
}
// Okay now check for coordinate arrays
vtkDataArray* XArray = data->GetArray(this->XCoordArrayName);
// Does the array exist at all?
if (XArray == NULL)
{
vtkErrorMacro("Could not find array named " << this->XCoordArrayName);
return 0;
}
// Y coordinate array
vtkDataArray* YArray = 0;
if (this->YCoordArrayName && strlen(YCoordArrayName) > 0)
{
YArray = data->GetArray(this->YCoordArrayName);
// Does the array exist at all?
if (YArray == NULL)
{
vtkErrorMacro("Could not find array named " << this->YCoordArrayName);
return 0;
}
}
// Z coordinate array
vtkDataArray* ZArray = 0;
if (this->ZCoordArrayName && strlen(ZCoordArrayName) > 0)
{
ZArray = data->GetArray(this->ZCoordArrayName);
// Does the array exist at all?
if (ZArray == NULL)
{
vtkErrorMacro("Could not find array named " << this->ZCoordArrayName);
return 0;
}
}
// Generate the points, either x,0,0 or x,y,0 or x,y,z
int numPts = pts->GetNumberOfPoints();
for (int i = 0; i < numPts; i++)
{
double rx,ry,rz;
if (Jitter)
{
rx = vtkMath::Random()-.5;
ry = vtkMath::Random()-.5;
rz = vtkMath::Random()-.5;
rx *= .02;
ry *= .02;
rz *= .02;
}
else
{
rx = ry = rz = 0;
}
if (YArray)
{
if (ZArray)
{
pts->SetPoint(i, XArray->GetTuple1(i)+rx,
YArray->GetTuple1(i)+ry,
ZArray->GetTuple1(i)+rz);
}
else
{
pts->SetPoint(i, XArray->GetTuple1(i)+rx,
YArray->GetTuple1(i)+ry, 0);
}
}
else
{
pts->SetPoint(i, XArray->GetTuple1(i)+rx, 0, 0);
}
}
return 1;
}
int vtkAssignCoordinates::FillInputPortInformation(int vtkNotUsed(port), vtkInformation* info)
{
// This algorithm may accept a vtkPointSet or vtkGraph.
info->Remove(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE());
info->Append(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkPointSet");
info->Append(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkGraph");
return 1;
}
void vtkAssignCoordinates::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "XCoordArrayName: "
<< (this->XCoordArrayName ? this->XCoordArrayName : "(none)") << endl;
os << indent << "YCoordArrayName: "
<< (this->YCoordArrayName ? this->YCoordArrayName : "(none)") << endl;
os << indent << "ZCoordArrayName: "
<< (this->ZCoordArrayName ? this->ZCoordArrayName : "(none)") << endl;
os << indent << "Jitter: "
<< (this->Jitter ? "True" : "False") << endl;
}
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