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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkPolyDataMapper.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 "vtkPolyDataMapper.h"
#include "vtkExecutive.h"
#include "vtkGraphicsFactory.h"
#include "vtkInformation.h"
#include "vtkMath.h"
#include "vtkPolyData.h"
#include "vtkRenderWindow.h"
vtkCxxRevisionMacro(vtkPolyDataMapper, "$Revision: 1.38 $");
//----------------------------------------------------------------------------
// Needed when we don't use the vtkStandardNewMacro.
vtkInstantiatorNewMacro(vtkPolyDataMapper);
//----------------------------------------------------------------------------
// return the correct type of PolyDataMapper
vtkPolyDataMapper *vtkPolyDataMapper::New()
{
// First try to create the object from the vtkObjectFactory
vtkObject* ret = vtkGraphicsFactory::CreateInstance("vtkPolyDataMapper");
return (vtkPolyDataMapper*)ret;
}
//----------------------------------------------------------------------------
vtkPolyDataMapper::vtkPolyDataMapper()
{
this->Piece = 0;
this->NumberOfPieces = 1;
this->NumberOfSubPieces = 1;
this->GhostLevel = 0;
}
void vtkPolyDataMapper::Render(vtkRenderer *ren, vtkActor *act)
{
if (this->Static)
{
this->RenderPiece(ren,act);
return;
}
int currentPiece, nPieces;
vtkPolyData *input = this->GetInput();
if (input == NULL)
{
vtkErrorMacro("Mapper has no input.");
return;
}
nPieces = this->NumberOfPieces * this->NumberOfSubPieces;
for(int i=0; i<this->NumberOfSubPieces; i++)
{
// If more than one pieces, render in loop.
currentPiece = this->NumberOfSubPieces * this->Piece + i;
input->SetUpdateExtent(currentPiece, nPieces, this->GhostLevel);
this->RenderPiece(ren, act);
}
}
//----------------------------------------------------------------------------
void vtkPolyDataMapper::SetInput(vtkPolyData *input)
{
if(input)
{
this->SetInputConnection(0, input->GetProducerPort());
}
else
{
// Setting a NULL input removes the connection.
this->SetInputConnection(0, 0);
}
}
//----------------------------------------------------------------------------
// Specify the input data or filter.
vtkPolyData *vtkPolyDataMapper::GetInput()
{
return vtkPolyData::SafeDownCast(
this->GetExecutive()->GetInputData(0, 0));
}
// Update the network connected to this mapper.
void vtkPolyDataMapper::Update()
{
if (this->Static)
{
return;
}
int currentPiece, nPieces = this->NumberOfPieces;
vtkPolyData* input = this->GetInput();
// If the estimated pipeline memory usage is larger than
// the memory limit, break the current piece into sub-pieces.
if (input)
{
currentPiece = this->NumberOfSubPieces * this->Piece;
input->SetUpdateExtent(currentPiece, this->NumberOfSubPieces*nPieces,
this->GhostLevel);
}
this->vtkMapper::Update();
}
// Get the bounds for the input of this mapper as
// (Xmin,Xmax,Ymin,Ymax,Zmin,Zmax).
double *vtkPolyDataMapper::GetBounds()
{
static double bounds[] = {-1.0,1.0, -1.0,1.0, -1.0,1.0};
// do we have an input
if ( ! this->GetNumberOfInputConnections(0))
{
return bounds;
}
else
{
if (!this->Static)
{
this->Update();
this->GetInput()->GetBounds(this->Bounds);
}
// if the bounds indicate NAN and subpieces are being used then
// return NULL
if (!vtkMath::AreBoundsInitialized(this->Bounds)
&& this->NumberOfSubPieces > 1)
{
return NULL;
}
return this->Bounds;
}
}
void vtkPolyDataMapper::ShallowCopy(vtkAbstractMapper *mapper)
{
vtkPolyDataMapper *m = vtkPolyDataMapper::SafeDownCast(mapper);
if ( m != NULL )
{
this->SetInput(m->GetInput());
this->SetGhostLevel(m->GetGhostLevel());
this->SetNumberOfPieces(m->GetNumberOfPieces());
this->SetNumberOfSubPieces(m->GetNumberOfSubPieces());
}
// Now do superclass
this->vtkMapper::ShallowCopy(mapper);
}
void vtkPolyDataMapper::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Piece : " << this->Piece << endl;
os << indent << "NumberOfPieces : " << this->NumberOfPieces << endl;
os << indent << "GhostLevel: " << this->GhostLevel << endl;
os << indent << "Number of sub pieces: " << this->NumberOfSubPieces
<< endl;
}
//----------------------------------------------------------------------------
int vtkPolyDataMapper::FillInputPortInformation(
int vtkNotUsed( port ), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkPolyData");
return 1;
}
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