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@evgueni-ovtchinnikov is it guaranteed that SIRF iterators run through data in the same order as https://github.com/rijobro/SIRF/blob/c8578ba65fb44eb95d324ba40a738d9651878ded/src/xSTIR/cSTIR/stir_data_containers.cpp#L362-L364? (at least when it's a 3D volume). we must have some correspondence between indices and order somewhere. Otherwise the geom-stuff doesn't make any sense. |
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@KrisThielemans: SIRF's PET image iterators are wrappers for your |
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Still in progress.
@KrisThielemans We discussed calculating the transformation matrix and then converting each SIRF index into a STIR index, along the lines of:
https://github.com/rijobro/SIRF/blob/c8578ba65fb44eb95d324ba40a738d9651878ded/src/xSTIR/cSTIR/stir_data_containers.cpp#L360-L367
I realise that we can't access each element of the SIRFImageData individually, so this method won't work. Could we create a STIRImageData, fill it, and then reorient the image? I suppose my question is if there is reorient functionality in STIR?