[Insight-users] Possible bug in GaussianSpatialObject

[Ali -]

Hi Julien,

It seems there is this bug in GaussianSpatialObject which causes to mess 
up the whole spatial object image when the translation transform is 
applied. Here is an example:

    itkGaussianSpatialObject2 gaus = new itkGaussianSpatialObject2();
    gaus.SetMaximum(255);
    gaus.SetRadius(7);
    itkVectorD2 offset = new itkVectorD2();
    offset.SetElement(0, 0.0);
    offset.SetElement(1, 0.0);
    gaus.GetIndexToObjectTransform().SetTranslation(offset);

(The above code is in java, but can be used as a pseudo code). Notice 
that whether the offset is zero or not, setting the translation value 
messes up the gaussian object. Here are the results:

Without calling translation: http://i26.tinypic.com/2j4u7pd.jpg
With calling translation: http://i31.tinypic.com/iwrd5y.jpg

All I wanted to do was to have a gaussian object at the centre of the 
image. Is there a better way of doing this?


-Ali




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