Nov 23, 2017 · I build a 3x3 matrix (A) where the columns correspond to a, b, and c. Given the t translation column vector (as defined in the nrrd space origin ...

Mar 1, 2023 · I am working on registering two nrrd files. I have noticed that one of the images appears flipped in the x and y direction resulting in ...

Oct 14, 2021 · Operating system: Ubuntu 20.04 Slicer version: 4.11.20210226 I understand how to convert ras to ijk coordinates using volumeNode.

Sep 23, 2021 · As Slicer uses RAS it transforms this data from LPS to RAS when viewing it in Slicer? I would like to rescale all my images to 1 in x, y ...

Aug 30, 2021 · where(labelArray==labelValue)) which I think ther are in IJK format, to RAS (X, Y, Z)? I know that vtk.vtkMatrix4x4() will do the job and I've ...

Oct 30, 2017 · 2. It means that volumeNode is not pointing to a node – probably the call to getNode(name) or a similar call failed. You can check this in ...

Jan 3, 2020 · LPS<->RAS conversion is just inverting the sign of the first two coordinates. You can use either LPS or RAS when you store the coordinate values ...

Using the origin and spacing, the corresponding position of each (image coordinate) voxel in anatomical coordinates can be calculated. Image transformation .