[Insight-users] convert between the point position in GLSliceView and index in the image

[Luis Ibanez]

Hi Yaoyaho,

Simply hit the "P" key and GLsliceview will show you the coordinates of 
the clicked point in physical units (mm) instead of indices.

In general, whenever you need to convert between one an the other, you
can use the methods:

     image->TransformIndexToPhysicalPoint( index, point );

     image->TransformPhysicalPointToIndex( point, index );


   Regards,


      Luis


------------------
Yaoyao Zhu wrote:
> Hi, all,
> 
>  
> 
> Does anyone know what is the relation between the real point position in 
> GLSliceView and the index in the image shown. i.e., I can get the point 
> position clicked
> 
>  
> 
> X = Fl::event_x(),
> 
> Y= h()-Fl::event_y()
> 
>  
> 
> I know the corresponding the index of the image shown in the GLSliceView by
> 
>  
> 
> getClickedPoint()
> 
>  
> 
> But what about the opposite, i.e. from the index of the image to the 
> real position of the window?
> 
>  
> 
> Thanks in advance
> 
>  
> 
> 
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> 
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