:orphan: .. _ahelp_@clip_volume: ************ @clip_volume ************ .. contents:: :local: | .. code-block:: none Usage 1: A script to clip regions of a volume @clip_volume <-input VOL> <-below Zmm> [ [-and/-or] <-above Zmm> ] Mandatory parameters: -input VOL: Volume to clip + At least one of the options below: -below Zmm: Set to 0 slices below Zmm Zmm (and all other coordinates) are in RAI as displayed by AFNI on the top left corner of the AFNI controller -above Zmm: Set to 0 slices above Zmm -left Xmm: Set to 0 slices left of Xmm -right Xmm: Set to 0 slices right of Xmm -anterior Ymm: Set to 0 slices anterior to Ymm -posterior Ymm: Set to 0 slices posterior to Ymm + Or the box option: -box Cx Cy Cz Dx Dy Dz: Clip the volume to a box centered at Cx, Cy, Cz (RAI mm), and of dimensions Dx Dy Dz (RAI mm) -mask_box Cx Cy Cz Dx Dy Dz: Same as -box, but set all values inside of box to 1. Example: @clip_volume -mask_box 20.671 -10.016 23.362 10 10 10 \ -input seg_no_spat.c+orig.BRIK \ -prefix small_box_volume -crop_greedy Note: If you are not cropping the output, you might consider using 3dUndump instead. Optional parameters: -and (default): Combine with next clipping planes using 'and' -or : Combine with next clipping planes using 'or' Note: These two parameters affect the clipping options that come after after them. Unfortunately they are used to build a mask of what is to be kept in the end, rather than what is to be removed, so they can be confusing. A '-and' multiplies the mask by what is to be kept from the next cut, and a '-or' adds to it. -verb : Verbose, show command -crop_allzero : Crop the output volume with 3dAutobox -noclust This would keep 3dAutobox from removing any slices unless they are all zeros -crop_greedy : Crop the output volume with 3dAutobox In addition to what you specified for cropping, slices with a few non zero voxels might also get chopped off by 3dAutobox -crop : Same as -crop_greedy, kept for backward compatibility -crop_npad NPAD: set 3dAutobox's -npad option to NPAD Option is meaningless without -crop options Use NPAD to fatten the volume a little after cropping -prefix PRFX : Use PRFX for output prefix. Default is the input prefix with _clp suffixed to it. -followers DSET1 DSET2 ...: Apply the same treatment to the follower datasets. Note that cropped or clipped versions are all named automatically by affixing _clp to their prefix. Example: @clip_volume -below -30 -above 53 -left 20 -right -13 -anterior -15 \ -posterior 42 -input ABanat+orig. -verb -prefix sample Written by Ziad S. Saad (saadz@mail.nih.gov) SSCC/NIMH/NIH/DHHS