[Insight-users] [ITK Community] Expression: map/set iterator not dereferencable using STLMeshIO

[Luis Ibanez]

Hi Yurrit,

It is great to hear about your interest in the STL reader.

Could you please replace the line:

              reader->Update();

with the try / catch block:

try
{
     reader->Update();
}
catch( itk::ExceptionObject & excp )
{
    std::cerr << excp << std::endl;
    return EXIT_FAILURE;
}

I'm suspecting that the real problem is the path to your file:

 const char * inputFileName = "inputfile.stl";

that should rather be a full path, such as (for example):

 const char * inputFileName =
"C:/MyFiles/ReproducibleScience/STL/inputfile.stl";


and that due to the current lack of the try / catch block,
we are not seeing the error message that points to the
true cause of the problem.


Please give it a try, with the try / catch block,
and with the full path to your STL file, and
let us know what you find,


     Thanks


          Luis



On Mon, Mar 3, 2014 at 9:10 AM, Yurrit Avonds
<Yurrit.Avonds at materialise.be>wrote:

>  Dear all,
>
>
>
> In an attempt to start using ITK to process STL files, I wrote a small
> test program, based on the “STL file format MeshIO class for ITK” (
> http://hdl.handle.net/10380/3452) . The source code below causes an error
> at the line
>
>
>
> reader->Update();
>
>
>
> near the end of the source code. The error is as follows:
>
>
>
>
>
> Debug Assertion Failed!
>
>
>
> Program C:\Windows\system32\MSVCP120D.dll
>
> File C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\include\xtree
>
> Line 237
>
>
>
> Expression: map/set iterator not dereferencable
>
>
>
> For information on how your program can cause and assertion failure, see
> the Visual C++ documentation on assets.
>
>
>
> (Press Retry to debug the application)
>
>
>
>
>
> Has anyone else experienced/solved this issue? I have been trying to fix
> it for several hours, but cannot seem to find a solution.
>
>
>
> Kind regards,
>
> Yurrit
>
>
>
> #include "itkQuadEdgeMesh.h"
>
> #include "itkSTLMeshIOFactory.h"
>
> #include "itkSTLMeshIO.h"
>
> #include "itkMeshFileReader.h"
>
> #include "itkMeshFileWriter.h"
>
>
>
> int main(int argc, char *argv[])
>
> {
>
>
>
>        const unsigned int Dimension = 3;
>
>        typedef double EdgeType;
>
>
>
>        typedef itk::QuadEdgeMesh<EdgeType, Dimension> QEMeshType;
>
>        typedef itk::STLMeshIOFactory STLMeshIO;
>
>        typedef itk::MeshFileReader<QEMeshType> ReaderType;
>
>
>
>        STLMeshIO::RegisterOneFactory();
>
>        ReaderType::Pointer reader = ReaderType::New();
>
>
>
>        const char * inputFileName = "inputfile.stl";
>
>
>
>        reader->SetFileName(inputFileName);
>
>        reader->Update();
>
>
>
>        return 0;
>
> }
>
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