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/*=========================================================================
Program: Visualization Toolkit
Module: vtkGraphToGlyphs.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 "vtkGraphToGlyphs.h"
#include "vtkArrayCalculator.h"
#include "vtkDirectedGraph.h"
#include "vtkDistanceToCamera.h"
#include "vtkGlyph3D.h"
#include "vtkGlyphSource2D.h"
#include "vtkGraph.h"
#include "vtkGraphToPoints.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkPoints.h"
#include "vtkPolyData.h"
#include "vtkSphereSource.h"
#include "vtkTable.h"
#include "vtkUndirectedGraph.h"
vtkStandardNewMacro(vtkGraphToGlyphs);
vtkGraphToGlyphs::vtkGraphToGlyphs()
{
this->GraphToPoints = vtkSmartPointer<vtkGraphToPoints>::New();
this->Sphere = vtkSmartPointer<vtkSphereSource>::New();
this->GlyphSource = vtkSmartPointer<vtkGlyphSource2D>::New();
this->DistanceToCamera = vtkSmartPointer<vtkDistanceToCamera>::New();
this->Glyph = vtkSmartPointer<vtkGlyph3D>::New();
this->GlyphType = CIRCLE;
this->Filled = true;
this->ScreenSize = 10;
this->Sphere->SetRadius(0.5);
this->Sphere->SetPhiResolution(8);
this->Sphere->SetThetaResolution(8);
this->GlyphSource->SetScale(0.5);
this->Glyph->SetScaleModeToScaleByScalar();
this->Glyph->SetInputArrayToProcess(
0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_POINTS, "DistanceToCamera");
this->Glyph->FillCellDataOn();
this->SetInputArrayToProcess(
0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_POINTS, "scale");
}
vtkGraphToGlyphs::~vtkGraphToGlyphs()
{
}
int vtkGraphToGlyphs::FillInputPortInformation(int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkGraph");
return 1;
}
void vtkGraphToGlyphs::SetRenderer(vtkRenderer* ren)
{
this->DistanceToCamera->SetRenderer(ren);
this->Modified();
}
vtkRenderer* vtkGraphToGlyphs::GetRenderer()
{
return this->DistanceToCamera->GetRenderer();
}
void vtkGraphToGlyphs::SetScaling(bool b)
{
this->DistanceToCamera->SetScaling(b);
this->Modified();
}
bool vtkGraphToGlyphs::GetScaling()
{
return this->DistanceToCamera->GetScaling();
}
unsigned long vtkGraphToGlyphs::GetMTime()
{
unsigned long mtime = this->Superclass::GetMTime();
if (this->GlyphType != VERTEX &&
this->DistanceToCamera->GetMTime() > mtime)
{
mtime = this->DistanceToCamera->GetMTime();
}
return mtime;
}
int vtkGraphToGlyphs::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
vtkGraph *input = vtkGraph::SafeDownCast(
inInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkPolyData *output = vtkPolyData::SafeDownCast(
outInfo->Get(vtkDataObject::DATA_OBJECT()));
if (!this->DistanceToCamera->GetRenderer())
{
vtkErrorMacro("Need renderer set before updating the filter.");
return 0;
}
vtkSmartPointer<vtkGraph> inputCopy;
if (vtkDirectedGraph::SafeDownCast(input))
{
inputCopy.TakeReference(vtkDirectedGraph::New());
}
else
{
inputCopy.TakeReference(vtkUndirectedGraph::New());
}
inputCopy->ShallowCopy(input);
this->DistanceToCamera->SetScreenSize(this->ScreenSize);
this->GlyphSource->SetFilled(this->Filled);
this->GraphToPoints->SetInputData(inputCopy);
vtkAbstractArray* arr = this->GetInputArrayToProcess(0, inputVector);
if (arr)
{
this->DistanceToCamera->SetInputArrayToProcess(
0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_POINTS, arr->GetName());
}
this->DistanceToCamera->SetInputConnection(
this->GraphToPoints->GetOutputPort());
this->Glyph->SetInputConnection(
0, this->DistanceToCamera->GetOutputPort());
if (this->GlyphType == SPHERE)
{
this->Glyph->SetInputConnection(
1, this->Sphere->GetOutputPort());
}
else
{
this->Glyph->SetInputConnection(
1, this->GlyphSource->GetOutputPort());
this->GlyphSource->SetGlyphType(this->GlyphType);
}
this->Glyph->Update();
output->ShallowCopy(this->Glyph->GetOutput());
return 1;
}
void vtkGraphToGlyphs::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Filled: " << this->Filled << endl;
os << indent << "ScreenSize: " << this->ScreenSize << endl;
os << indent << "GlyphType: " << this->GlyphType << endl;
}
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