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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2019-10-04 21:49:16 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2019-10-04 21:49:16 +0000 |
| commit | 806b849e63cb6c5fd0f50d39877fe0d58bfa615e (patch) | |
| tree | 459ca2e72a34c4443847c6a7076fc45756c4363f /pnmcrop.html | |
| parent | 4d6a81f76b3eeab25441f7614083bbb82328499c (diff) | |
| download | netpbm-mirror-806b849e63cb6c5fd0f50d39877fe0d58bfa615e.tar.gz netpbm-mirror-806b849e63cb6c5fd0f50d39877fe0d58bfa615e.tar.xz netpbm-mirror-806b849e63cb6c5fd0f50d39877fe0d58bfa615e.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@3699 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'pnmcrop.html')
| -rw-r--r-- | pnmcrop.html | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/pnmcrop.html b/pnmcrop.html index ef5211f3..951d8e2b 100644 --- a/pnmcrop.html +++ b/pnmcrop.html @@ -2,7 +2,7 @@ <HTML><HEAD><TITLE>Pnmcrop User Manual</TITLE></HEAD> <BODY> <H1>pnmcrop</H1> -Updated: 14 April 2019 +Updated: 04 October 2019 <BR> <A HREF="#index">Table Of Contents</A> @@ -275,12 +275,12 @@ fails if there is no apparent background color in the original image <p> This is actually useful if you are trying to find a single set of cropping parameters to crop a stream of images. To do this, you could - do a pass with <b>-reportsize</b> and <b>-blank-image=maxcrop</b> and - compute the maximum crop for each edge, and then use that in a second - pass without <b>-reportsize</b> to do the crop. In this scenario, any - all-background (blank) images would have no effect on the cropping - parameters you compute. If you do this, you must make special - consideration of a stream with nothing but blank images. + do a pass with <b>-reportsize</b> and <b>-blank-image=maxcrop</b> to + compute the maximum crop for each edge, and then use those numbers in + <b>-crop<i>xxx</i></b> options on a <b>pamcut</b> pass to do the crop. + In this scenario, any all-background (blank) images would have no effect + on the cropping parameters you compute. If you do this, you must give + special consideration to a stream with nothing but blank images. </dl> |