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Thank you Bill. Let me know if you find anything.
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<div class="">Francois<br class="">
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<div class="">On May 22, 2015, at 4:43 PM, Bill Lorensen <<a href="mailto:bill.lorensen@gmail.com" class="">bill.lorensen@gmail.com</a>> wrote:</div>
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<p dir="ltr" class="">It is possible that the adaptor uses a different notation. I'll have to check.</p>
<div class="gmail_quote">On May 22, 2015 3:59 PM, "Francois Budin" <<a href="mailto:fbudin@email.unc.edu" class="">fbudin@email.unc.edu</a>> wrote:<br type="attribution" class="">
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Hello Everybody,<br class="">
<br class="">
I was trying to use itk::SpatialOrientationAdapter. As a simple example, I wrote the following code:<br class="">
<br class="">
#include <iostream><br class="">
#include <itkSpatialOrientationAdapter.h><br class="">
#include <itkMatrix.h><br class="">
#include <itkImage.h><br class="">
<br class="">
int main( int argc, char* argv[] )<br class="">
{<br class="">
typedef itk::Image< float , 3 > ImageType ;<br class="">
typedef ImageType::DirectionType DirectionType ;<br class="">
DirectionType direction ;<br class="">
direction.SetIdentity() ;<br class="">
typedef itk::SpatialOrientation::ValidCoordinateOrientationFlags CoordinateOrientationCode ;<br class="">
CoordinateOrientationCode orientation ;<br class="">
orientation = itk::SpatialOrientationAdapter().FromDirectionCosines( direction ) ;<br class="">
if( orientation == itk::SpatialOrientation::ITK_COORDINATE_ORIENTATION_LPS )<br class="">
{<br class="">
std::cout << "LPS" << std::endl ;<br class="">
}<br class="">
else if( orientation == itk::SpatialOrientation::ITK_COORDINATE_ORIENTATION_RAI )<br class="">
{<br class="">
std::cout << "RAI" << std::endl ;<br class="">
}<br class="">
else<br class="">
{<br class="">
std::cout << "Unknown" << std::endl ;<br class="">
}<br class="">
return 0 ;<br class="">
}<br class="">
<br class="">
I wanted to make sure that since ITK is using LPS as its default orientation, if I were to give the identity matrix as an orientation matrix to itk::SpatialOrientationAdapter().FromDirectionCosines, I would obtain LPS as a result. However, I obtain RAI which
is exactly the opposite of what I was expecting. Could somebody help me to understand what is happening and why I don't get LPS as a result?<br class="">
Thank you,<br class="">
<br class="">
Francois<br class="">
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