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136 lines
4.6 KiB
136 lines
4.6 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkBlankStructuredGridWithImage.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkBlankStructuredGridWithImage.h"
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#include "vtkCellData.h"
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#include "vtkExecutive.h"
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#include "vtkFieldData.h"
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#include "vtkImageData.h"
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#include "vtkInformation.h"
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#include "vtkInformationVector.h"
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#include "vtkObjectFactory.h"
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#include "vtkPointData.h"
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#include "vtkStructuredGrid.h"
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#include "vtkUnsignedCharArray.h"
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vtkCxxRevisionMacro(vtkBlankStructuredGridWithImage, "$Revision: 1.12 $");
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vtkStandardNewMacro(vtkBlankStructuredGridWithImage);
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//----------------------------------------------------------------------------
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vtkBlankStructuredGridWithImage::vtkBlankStructuredGridWithImage()
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{
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this->SetNumberOfInputPorts(2);
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}
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//----------------------------------------------------------------------------
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vtkBlankStructuredGridWithImage::~vtkBlankStructuredGridWithImage()
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{
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}
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//----------------------------------------------------------------------------
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// Specify the input data or filter.
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void vtkBlankStructuredGridWithImage::SetBlankingInput(vtkImageData *input)
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{
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this->SetInput(1, input);
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}
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//----------------------------------------------------------------------------
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// Specify the input data or filter.
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vtkImageData *vtkBlankStructuredGridWithImage::GetBlankingInput()
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{
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if (this->GetNumberOfInputConnections(1) < 1)
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{
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return NULL;
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}
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return vtkImageData::SafeDownCast(
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this->GetExecutive()->GetInputData(1, 0));
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}
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int vtkBlankStructuredGridWithImage::RequestData(
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vtkInformation *vtkNotUsed(request),
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vtkInformationVector **inputVector,
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vtkInformationVector *outputVector)
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{
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// get the info objects
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vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
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vtkInformation *imageInfo = inputVector[1]->GetInformationObject(0);
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vtkInformation *outInfo = outputVector->GetInformationObject(0);
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// get the input and ouptut
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vtkStructuredGrid *grid = vtkStructuredGrid::SafeDownCast(
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inInfo->Get(vtkDataObject::DATA_OBJECT()));
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vtkImageData *image = vtkImageData::SafeDownCast(
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imageInfo->Get(vtkDataObject::DATA_OBJECT()));
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vtkStructuredGrid *output = vtkStructuredGrid::SafeDownCast(
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outInfo->Get(vtkDataObject::DATA_OBJECT()));
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int gridDims[3], imageDims[3];
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vtkDebugMacro(<< "Adding image blanking");
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// Perform error checking
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grid->GetDimensions(gridDims);
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image->GetDimensions(imageDims);
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if ( gridDims[0] != imageDims[0] || gridDims[1] != imageDims[1] ||
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gridDims[2] != imageDims[2] )
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{
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vtkErrorMacro("Blanking dimensions must be identical with grid dimensions. "
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"Blanking dimensions are " << imageDims[0] << " "
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<< imageDims[1] << " " << imageDims[2]
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<< ". Grid dimensions are " << gridDims[0] << " "
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<< gridDims[1] << " " << gridDims[2] << ".");
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return 1;
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}
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if ( image->GetScalarType() != VTK_UNSIGNED_CHAR ||
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image->GetNumberOfScalarComponents() != 1 )
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{
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vtkErrorMacro(<<"This filter requires unsigned char images with one component");
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return 1;
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}
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// Get the image, set it as the blanking array.
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unsigned char *data = (unsigned char *)image->GetScalarPointer();
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vtkUnsignedCharArray *dataArray = vtkUnsignedCharArray::New();
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dataArray->SetArray(data, gridDims[0]*gridDims[1]*gridDims[2], 1);
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output->CopyStructure(grid);
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output->GetPointData()->PassData(grid->GetPointData());
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output->GetCellData()->PassData(grid->GetCellData());
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output->SetPointVisibilityArray(dataArray);
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dataArray->Delete();
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return 1;
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}
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//----------------------------------------------------------------------------
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int vtkBlankStructuredGridWithImage::FillInputPortInformation(
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int port, vtkInformation *info)
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{
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if (port == 0)
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{
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return this->Superclass::FillInputPortInformation(port, info);
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}
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info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkImageData");
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return 1;
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}
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//----------------------------------------------------------------------------
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void vtkBlankStructuredGridWithImage::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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}
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