increase thumbnail sizes and change IDs

pdftothumbs.py

@@ -1,26 +1,28 @@
-# go over all pdfs in NIPS and use imagemagick to convert 
+# go over all pdfs and use imagemagick to convert 
 # them all to a sequence of thumbnail images
 # requires sudo apt-get install imagemagick
+# or can be installed with brew install imagemagick
 
 import os
 
-relpath = "nips25offline/content/"
+relpath = "content/"
 allFiles = os.listdir(relpath)
 pdfs = [x for x in allFiles if x.endswith(".pdf")]
 
 for i,f in enumerate(pdfs):
-	paperid = f[9:-4]
+	paperid = f[:-20]
 	fullpath = relpath + f
 
-	print "processing %s, %d/%d" % (paperid, i, len(pdfs))
+	print("processing %s, %d/%d" % (paperid[:5], i, len(pdfs)))
 
 	# this is a mouthful... 
 	# take first 8 pages of the pdf ([0-7]), since 9th page are references
 	# tile them horizontally, use JPEG compression 80, trim the borders for each image
-	cmd = "montage %s[0-7] -mode Concatenate -tile x1 -quality 80 -resize x230 -trim %s" % (fullpath, "thumbs/" + f + ".jpg")
-	print "EXEC: " + cmd
+	# colorspace was added because a few PDFs displayed with a black background
+	cmd = "montage %s[0-7] -mode Concatenate -colorspace sRGB -tile x1 -quality 80 -resize x345 -trim %s" % (fullpath, "thumbs/" + paperid + ".jpg")
+	print("EXEC: " + cmd)
 	os.system(cmd)
-	
+
 
 # an alternate, more roundabout alternative that is worse and requires temporary files, yuck!
 #cmd = "convert -thumbnail x200 %s[0-7] test.png" % (fullpath, )