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setup.py

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  • vtkOFFReader.cxx 5.41 KiB
    /*=========================================================================
      Program:   Visualization Toolkit
      Module:    $RCSfile: vtkOFFReader.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 "vtkOFFReader.h"
    
    #include "vtkCellArray.h"
    #include "vtkFloatArray.h"
    #include "vtkInformation.h"
    #include "vtkInformationVector.h"
    #include "vtkObjectFactory.h"
    #include "vtkPointData.h"
    #include "vtkPolyData.h"
    #include "vtkTriangle.h"
    
    #include <sstream>
    #include <fstream>
    
    vtkStandardNewMacro(vtkOFFReader);
    
    // Description:
    // Instantiate object with NULL filename.
    vtkOFFReader::vtkOFFReader()
    {
        this->FileName = NULL;
    
        this->SetNumberOfInputPorts(0);
    }
    
    vtkOFFReader::~vtkOFFReader()
    {
        if (this->FileName)
        {
            delete[] this->FileName;
            this->FileName = NULL;
        }
    }
    
    /*--------------------------------------------------------
    This is only partial support for the OFF format, which is
    quite complicated. To find a full specification,
    search the net for "OFF format", eg.:
    http://people.sc.fsu.edu/~burkardt/data/off/off.html
    We support only vertices and faces composed of 3 vertices.
    ---------------------------------------------------------*/
    
    // a replacement for isspace()
    int is_whitespace(char c)
    {
        if (c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '\v' || c == '\f')
            return 1;
        else
            return 0;
    }
    
    int vtkOFFReader::RequestData(
        vtkInformation *vtkNotUsed(request),
        vtkInformationVector **vtkNotUsed(inputVector),
        vtkInformationVector *outputVector)
    {
        // get the info object
        vtkInformation *outInfo = outputVector->GetInformationObject(0);
    
        // get the ouptut