[Insight-users] using reader as global variable

[David Doria]

On Mon, May 30, 2011 at 5:25 AM, john smith <mkitkinsightuser at gmail.com>wrote:

> I am using Qt add in for visual studio 2010 and I have typed this. But
> still gettting these errors:
> *1>e:\qt
> applications\mainwindow_globalreader\mainwindow\mainwindow\mainwindow.h(49):
> error C2065: 'ImageType' : undeclared identifier
> 1>e:\qt
> applications\mainwindow_globalreader\mainwindow\mainwindow\mainwindow.h(50):
> error C2955: 'itk::ImageFileReader' : use of class template requires
> template argument list
> 1>          c:\itk\source\code\io\itkImageFileReader.h(93) : see
> declaration of 'itk::ImageFileReader'
> 1>e:\qt
> applications\mainwindow_globalreader\mainwindow\mainwindow\mainwindow.h(50):
> fatal error C1903: unable to recover from previous error(s); stopping
> compilation
> 1>  mainwindow.cpp*
>
> I have include the header fules "itkImage.h" ,"itkImageFileReader.h".Could
> somebody help me?
>
> class MainWindow : public QMainWindow
> {
>   ..............
>
>
> private:
> typedef   itk::ImageFileReader< ImageType >   ReaderType;
> ReaderType::Pointer reader;
>
> };
>
>
> MainWindow::MainWindow(QWidget *parent) :
>     QMainWindow(parent),
>     ui(new Ui::MainWindow)
> {
> ............
> ...........
>       typedef unsigned char        InputPixelType;
>   typedef itk::Image< InputPixelType,  3 >    InputImageType;
>   typedef itk::ImageFileReader< InputImageType  >  ReaderType;
>
>   ReaderType::Pointer reader = ReaderType::New();
>
> }
>


As the error says,  you have not defined ImageType. You need something like

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

David
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