X-Git-Url: https://git.ucc.asn.au/?p=dja%2Fscandal.git;a=blobdiff_plain;f=detect2pages.sh;fp=detect2pages.sh;h=4b8c18991e35178e338c82e4f97686b2b4d21516;hp=0000000000000000000000000000000000000000;hb=13a56d0f2178dd64270ae0b9d6e2994de42e9c07;hpb=fd2bfda99261fbf0b9b1f78bf00b5d86e420d679

diff --git a/detect2pages.sh b/detect2pages.sh
new file mode 100755
index 0000000..4b8c189
--- /dev/null
+++ b/detect2pages.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+#should probably have given up on shell and gone over to python.
+
+
+infile=$1
+pg=$2
+subpg=$3
+
+dir=$(dirname $infile)
+
+convert -blur 10 -gamma 0.00001 -median 1 $infile -resize 1x601\! -gamma 0.3 $dir/strip-${pg}-${subpg}.png
+
+#There seems to be a definte bias in my reader scans for things to be in the top part rather than the bottom part
+testpoints=`jot - 270 320`
+
+sum=0
+prev=0
+longestrun=0
+
+
+for testpoint in $testpoints; do
+	#convert -verbose strip-${pg}-${subpg}.png[1x1+0+${testpoint}] -format "%[fx:s.intensity]" info:
+	value=$(convert $dir/strip-${pg}-${subpg}.png[1x1+0+${testpoint}] -format "%[fx:s.intensity>0.3]" info:)
+	sum=$(expr $value + $sum)
+
+	if [[ $prev = 1 && $value = 0 ]]; then
+		if [[ $sum > $longestrun ]]; then
+			longestrun=$sum;
+		fi;
+		sum=0
+	fi;
+
+	prev=$value
+
+	#echo "$testpoint: $value ($sum, $longestrun)"
+done;
+
+if [[ $sum > $longestrun ]]; then
+	longestrun=$sum;
+fi
+
+echo $longestrun
+
+exit $( expr $longestrun "<=" 10 )