Hi-

3dLRflip changes the *data*, not the header information/orientation. Note that this changes your dataset, like where a given (x0, y0, z0) location was before and after will appear to be different. You would typically use this if there were a problem in your data you were trying to fix or test.

You could use 3drefit to change the dataset orientation, rather than the data part-- but you should copy the dataset and edit the copied dset, because in this case 3drefit edits the input dset itself. It does not copy it. Again, this is typically only used if you are trying to fix a header/data mismatch.

If you want to have your data look the same after changing the orientation, you can you 3dresample to change *both* the header and the data together; in this case, (x0, y0, z0) should appear in the same location, while the dset orientation will be different.

--pt