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--- resources:imagemagick_resources [2015/06/26 13:03] – created anthony
+++ resources:imagemagick_resources [2019/05/22 16:08] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+~~TOC:1-3~~
+====== ImageMagick Resources ======
+ImageMagick is a set of command line tools that usually comes standard with Linux distributions.
+http://www.imagemagick.org/script/index.php
 ====== Make thumbnail images of posters from PDF files ======
@@ Line 6: / Line 14: @@
 <code>
-acate@VT000332828 /cygdrive/c/Users/acate/Google Drive/lab/holes_fMRI/summaries/SfN2014_poster
+$ convert -thumbnail 300 Cate_Brown_Roldan_SfN_2014_FINAL.pdf outputFileName.png
-$ convert -thumbnail 300 Cate_Brown_Roldan_SfN_2014_FINAL.pdf test.png
 </code>
+To create thumbnail image of one page of a multi-page PDF file (like a journal article):
+<code>
+$ convert -thumbnail pdfFileName.pdf[0] outputFileName.png
+</code>
+[0] is for first page, [1] for second, etc.
+====== Crop images using command line ======
+<2016-01-08>
+Anthony did this to crop an SPM rWLS residual time seriers figure (blank except for the very bottom) using command line tool ImageMagick (“convert”).
+<code>
+convert rwls_residual_time_series.png -gravity South ...
+   -crop 0x30%+0+0 rwls_residual_time_series_crop.png
+</code>
+This means: "Crop from bottom up (''-gravity South'') leaving all width and removing 30% of height (''0x30%+0+0'')"
+Got advice from this and related pages:
+http://www.imagemagick.org/Usage/crop/#crop_gravity
+\\
+----