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/*=========================================================================
Program: Visualization Toolkit
Module: vtkVisibilitySort.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 2003 Sandia Corporation.
* Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
* license for use of this work by or on behalf of the
* U.S. Government. Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that this Notice and any
* statement of authorship are reproduced on all copies.
*/
#include "vtkVisibilitySort.h"
#include "vtkIdList.h"
#include "vtkDataSet.h"
#include "vtkMatrix4x4.h"
#include "vtkCamera.h"
#include "vtkGarbageCollector.h"
//-----------------------------------------------------------------------------
vtkCxxSetObjectMacro(vtkVisibilitySort, Camera, vtkCamera);
vtkCxxSetObjectMacro(vtkVisibilitySort, Input, vtkDataSet);
//-----------------------------------------------------------------------------
vtkVisibilitySort::vtkVisibilitySort()
{
this->ModelTransform = vtkMatrix4x4::New();
this->ModelTransform->Identity();
this->InverseModelTransform = vtkMatrix4x4::New();
this->InverseModelTransform->Identity();
this->Camera = NULL;
this->Input = NULL;
this->Direction = vtkVisibilitySort::BACK_TO_FRONT;
this->MaxCellsReturned = VTK_INT_MAX;
}
//-----------------------------------------------------------------------------
vtkVisibilitySort::~vtkVisibilitySort()
{
this->ModelTransform->Delete();
this->InverseModelTransform->Delete();
this->SetCamera(NULL);
this->SetInput(NULL);
}
//-----------------------------------------------------------------------------
void vtkVisibilitySort::Register(vtkObjectBase *o)
{
this->RegisterInternal(o, 1);
}
void vtkVisibilitySort::UnRegister(vtkObjectBase *o)
{
this->UnRegisterInternal(o, 1);
}
void vtkVisibilitySort::ReportReferences(vtkGarbageCollector *collector)
{
this->Superclass::ReportReferences(collector);
vtkGarbageCollectorReport(collector, this->Input, "Input");
}
//-----------------------------------------------------------------------------
void vtkVisibilitySort::SetModelTransform(vtkMatrix4x4 *mat)
{
// Less efficient than vtkMatrix4x4::DeepCopy, but only sets Modified if
// there is a real change.
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
this->ModelTransform->SetElement(i, j, mat->GetElement(i, j));
}
}
if ( this->ModelTransform->GetMTime()
> this->InverseModelTransform->GetMTime() )
{
this->InverseModelTransform->DeepCopy(this->ModelTransform);
this->InverseModelTransform->Invert();
}
}
//-----------------------------------------------------------------------------
void vtkVisibilitySort::PrintSelf(ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Input: (" << this->Input << ")" << endl;
os << indent << "Direction: ";
switch (this->Direction)
{
case vtkVisibilitySort::BACK_TO_FRONT:
os << "back to front" << endl;
break;
case vtkVisibilitySort::FRONT_TO_BACK:
os << "front to back" << endl;
break;
default:
os << "unknown" << endl;
break;
}
os << indent << "MaxCellsReturned: " << this->MaxCellsReturned << endl;
os << indent << "ModelTransform:" << endl;
this->ModelTransform->PrintSelf(os, indent.GetNextIndent());
os << indent << "InverseModelTransform:" << endl;
this->InverseModelTransform->PrintSelf(os, indent.GetNextIndent());
os << indent << "Camera: (" << this->Camera << ")" << endl;
}
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