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vtkPointPlacer.cxx
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vtkPointPlacer.cxx
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPointPlacer.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 "vtkPointPlacer.h"
#include "vtkCoordinate.h"
#include "vtkObjectFactory.h"
#include "vtkRenderer.h"
vtkStandardNewMacro(vtkPointPlacer);
//------------------------------------------------------------------------------
vtkPointPlacer::vtkPointPlacer()
{
this->PixelTolerance = 5;
this->WorldTolerance = 0.001;
}
//------------------------------------------------------------------------------
vtkPointPlacer::~vtkPointPlacer() = default;
//------------------------------------------------------------------------------
int vtkPointPlacer::UpdateWorldPosition(
vtkRenderer* vtkNotUsed(ren), double* vtkNotUsed(worldPos), double* vtkNotUsed(worldOrient))
{
return 1;
}
//------------------------------------------------------------------------------
int vtkPointPlacer::ComputeWorldPosition(
vtkRenderer* ren, double displayPos[2], double worldPos[3], double vtkNotUsed(worldOrient)[9])
{
if (ren)
{
vtkCoordinate* dpos = vtkCoordinate::New();
dpos->SetCoordinateSystemToDisplay();
dpos->SetValue(displayPos[0], displayPos[1]);
double* p = dpos->GetComputedWorldValue(ren);
worldPos[0] = p[0];
worldPos[1] = p[1];
worldPos[2] = p[2];
dpos->Delete();
return 1;
}
return 0;
}
//------------------------------------------------------------------------------
int vtkPointPlacer::ComputeWorldPosition(vtkRenderer* ren, double displayPos[2],
double vtkNotUsed(refWorldPos)[3], double worldPos[3], double worldOrient[9])
{
return this->ComputeWorldPosition(ren, displayPos, worldPos, worldOrient);
}
//------------------------------------------------------------------------------
int vtkPointPlacer::ValidateWorldPosition(double vtkNotUsed(worldPos)[3])
{
return 1;
}
//------------------------------------------------------------------------------
int vtkPointPlacer::ValidateWorldPosition(
double vtkNotUsed(worldPos)[3], double vtkNotUsed(worldOrient)[9])
{
return 1;
}
//------------------------------------------------------------------------------
int vtkPointPlacer::ValidateDisplayPosition(vtkRenderer*, double vtkNotUsed(displayPos)[2])
{
return 1;
}
//------------------------------------------------------------------------------
void vtkPointPlacer::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Pixel Tolerance: " << this->PixelTolerance << "\n";
os << indent << "World Tolerance: " << this->WorldTolerance << "\n";
}
//------------------------------------------------------------------------------
int vtkPointPlacer::UpdateNodeWorldPosition(
double vtkNotUsed(worldPos)[3], vtkIdType vtkNotUsed(nodePointId))
{
return 1;
}