[Insight-users] Problem printing the ContourExtractor2D

[Preben]

Hi again

I've tried to change to parameter as you wrote - it compiles ;-)

However, when I try to use the Print() method, I get an error and the 
program terminates.

What is wrong



Best regards,
Preben



Den 25-03-2010 15:31, Bill Lorensen skrev:
> Change    typedef itk::Image<  unsigned char, 3>  ImageType;
> to
>      typedef itk::Image<  unsigned char, 2>  ImageType;
>
> On Thu, Mar 25, 2010 at 5:48 AM, Preben<64bit at mailme.dk>  wrote:
>    
>> Hi again
>>
>> So far so good! But not that far actually...
>>
>> I've written this little example code here:
>> ----
>> #include<iostream>
>> #include<itkImage.h>
>> #include<itkImageFileReader.h>
>> #include<itkImageFileWriter.h>
>> #include<itkContourExtractor2DImageFilter.h>
>> #include<itkPolyLineParametricPath.h>
>>
>> int main() {
>>     typedef itk::Image<  unsigned char, 3>  ImageType;
>>     typedef itk::ImageFileReader<  ImageType>    ReaderType;
>>     typedef itk::ImageFileWriter<  ImageType>    WriterType;
>>     typedef itk::ContourExtractor2DImageFilter<  ImageType>  ContourFilter;
>>
>>     ReaderType::Pointer reader  = ReaderType::New();
>>     WriterType::Pointer writer  = WriterType::New();
>>     reader->SetFileName("can_scene.bmp");
>>     writer->SetFileName("can_contours.png");
>>
>>     ContourFilter::Pointer filter = ContourFilter::New();
>>     filter->SetInput( reader->GetOutput() );
>>
>>     // Run and output data to data object
>>     ContourFilter::OutputPathType::Pointer path;
>>     filter->Update();
>>     path = filter->GetOutput();
>>
>>     path->Print(std::cout);
>> }
>> ----
>>
>>
>> but I get this strange error when compiling:
>> ----
>> C:\working\itkExample>make
>> [100%] Building CXX object CMakeFiles/itkTest.dir/src/main.cpp.obj
>> C:/working/InsightToolkit-3.16.0/Code/Common/itkConceptChecking.h: In member
>> function `void itk::Concept::SameDimension<D1,
>> D2>::Constraints::constraints() [with unsigned int D1 = 3u, unsigned int D2
>> = 2u]':
>> C:/working/InsightToolkit-3.16.0/Code/Common/itkConceptChecking.h:547:
>> instantiated from `itk::Concept::SameDimension<3u, 2u>'
>> C:/working/InsightToolkit-3.16.0/Code/Review/itkContourExtractor2DImageFilter.h:158:
>>    instantiated from `itk::ContourExtractor2DImageFilter<main()::ImageType>'
>> C:\working\itkExample\src\main.cpp:19:   instantiated from here
>> C:/working/InsightToolkit-3.16.0/Code/Common/itkConceptChecking.h:543:
>> error: conversion from `itk::Concept::Detail::UniqueType_unsigned_int<2u>'
>> to non-scalar type `itk::Concept::Detail::UniqueType_unsigned_int<3u>'
>> requested
>> make[2]: *** [CMakeFiles/itkTest.dir/src/main.cpp.obj] Error 1
>> make[1]: *** [CMakeFiles/itkTest.dir/all] Error 2
>> make: *** [all] Error 2
>> ----
>>
>> What should I do about it?
>>
>> (I'm using Windows XP 32bit with MinGW compiler and configures ITK with
>> REVIEW code set to ON)
>>
>>
>> Best regards,
>>
>> Preben Holm
>>
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