Hi, I have always assumed that the spacing is positive. I am surprised that it wasn't enforced or check else where.
Generally the direction cosine matrix is used for orientation. Why are you using a negative spacing? (that does just sound wrong to me) Brad On Jun 7, 2013, at 6:50 AM, Carsten Kendziorra <[email protected]> wrote: > Hello, > > I'm using a itk::BinaryImageToShapeLabelMapFilter to create a itk::LabelMap > and take afterwards a an object: > > itk::LabelMap::LabelObjectType* labelObject = > labelMap->GetNthLabelObject(LabelNumber); > > Unfortunately > labelObject->GetEquivalentEllipsoidDiameter() > returns [-nan, -nan, -nan], if the spacing of the BinaryImage is negative. > Everything works fine for positive spacing. > > Is negative spacing not allowed here? Or how to deal with negative spacing? > > Thanks for any help! > Carsten > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Kitware offers ITK Training Courses, for more information visit: > http://kitware.com/products/protraining.php > > Please keep messages on-topic and check the ITK FAQ at: > http://www.itk.org/Wiki/ITK_FAQ > > Follow this link to subscribe/unsubscribe: > http://www.itk.org/mailman/listinfo/insight-developers _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Kitware offers ITK Training Courses, for more information visit: http://kitware.com/products/protraining.php Please keep messages on-topic and check the ITK FAQ at: http://www.itk.org/Wiki/ITK_FAQ Follow this link to subscribe/unsubscribe: http://www.itk.org/mailman/listinfo/insight-developers
