[Insight-users] problem in drawing a line in an image

[Raviteja, Allaparthi]

Hi,



I want to draw a line in to an image .

>

>

>

> #include <iostream>

> #include "itkImageFileWriter.h"

> #include "itkLineConstIterator.h"

>

>   #include "itkImage.h"

>

>

>

> int main(int argc, char *argv[])

>

>

>

> {

>

>      if( argc < 2 )

>

>     {

>

>     std::cerr << "Usage: " << std::endl;

>

>     std::cerr << argv[0] << "  outputImageFile " << std::endl;

>

>     return EXIT_FAILURE;

>

>        }

>

>        typedef itk::Image<unsigned char, 2>  ImageType;

>

>   ImageType::Pointer image = ImageType::New();

>

>

>

>   typedef itk::Image<unsigned char, 2> ImageType;

>   ImageType::Pointer image = ImageType::New();

>   typedef itk::ImageFileWriter<ImageType> FileWriterType;

>

>

>   typedef itk::LineConstIterator< ImageType > LineIteratorType;

>   ImageType::IndexType point0;

>   point0[0] = 46;

>   point0[1] = 232;

>

>   ImageType::IndexType point1;

>   point1[0] = 433;

>   point1[1] = 477;

>

>   LineIteratorType it( image, point0, point1);

>   it.GoToBegin();

>   while (!it.IsAtEnd())

>     {

>     std::cout << (float)it.Get() << std::endl;

>     ++it;

>     }

>

>

>

>   FileWriterType::Pointer writer= FileWriterType::New();

>

>     writer->SetFileName(argv[1]);

>

>        writer->SetInput(image);

>

>     writer->Update();

>

>       cout<<"--->line iterator passed "<<endl;

>

>

>

>   return EXIT_SUCCESS;

> }

>



I am in a confusion of setting the input here "writer->SetInput(image);" .  Could someone please help me out ?

I am using InsightToolkit-4.1.0 with Visual Studio 2010 on Windows 7.



>

>

>

>

>

>

> Regards,

>

> Ravi Teja.


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