From 2d292781643c1e78b793b9337e5ff3a6e9c6cb08 Mon Sep 17 00:00:00 2001
From: Toke Eskildsen <te@ekot.dk>
Date: Wed, 9 Oct 2013 13:30:29 +0200
Subject: [PATCH] Added optional scaling of ALTO coordinates
---
quack.sh | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/quack.sh b/quack.sh
index 02be3f2..2f33b64 100755
--- a/quack.sh
+++ b/quack.sh
@@ -53,6 +53,11 @@ IMAGE_GLOB="*.tiff *.tif *.jp2 *.jpeg2000 *.j2k *.jpg *.jpeg"
# OurScanProject_batch_2013-09-18_page_007.alto.xml
ALTO_EXT=".alto.xml"
+# Sometimes the image corresponding to the ALTO has been scaled after ALTO
+# generation. This factor will be multiplied to all ALTO elements. If the
+# image has been scaled to half width & half height, set this to 0.5.
+ALTO_SCALE_FACTOR="1.0"
+
# The image format for the QA image. Possible values are png and jpg.
# png is recommended if QA should check image quality in detail.
export IMAGE_DISP_EXT="png"
@@ -380,12 +385,12 @@ function processElements() {
local BHPOS=`echo $BTAG | sed 's/.*HPOS=\"\([^"]\+\)".*/\\1/g'`
local BVPOS=`echo $BTAG | sed 's/.*VPOS=\"\([^"]\+\)".*/\\1/g'`
- local SWIDTH=`echo "scale=6;$BWIDTH/$PWIDTH" | bc | sed 's/^\./0./'`
+ local SWIDTH=`echo "scale=6;$BWIDTH/$PWIDTH*$ALTO_SCALE_FACTOR" | bc | sed 's/^\./0./'`
# TODO: Seems like there is some mismatch going on here with some deliveries
- local SHEIGHT=`echo "scale=6;$BHEIGHT/$PHEIGHT" | bc | sed 's/^\./0./'`
+ local SHEIGHT=`echo "scale=6;$BHEIGHT/$PHEIGHT*$ALTO_SCALE_FACTOR" | bc | sed 's/^\./0./'`
# SHEIGHT=`echo "scale=6;$BHEIGHT/$PWIDTH" | bc | sed 's/^\./0./'`
- local SHPOS=`echo "scale=6;$BHPOS/$PWIDTH" | bc | sed 's/^\./0./'`
- local SVPOS=`echo "scale=6;$BVPOS/$PHEIGHT" | bc | sed 's/^\./0./'`
+ local SHPOS=`echo "scale=6;$BHPOS/$PWIDTH*$ALTO_SCALE_FACTOR" | bc | sed 's/^\./0./'`
+ local SVPOS=`echo "scale=6;$BVPOS/$PHEIGHT*$ALTO_SCALE_FACTOR" | bc | sed 's/^\./0./'`
# Special handling of TextBlock
if [ "TextBlock" == "$TAG" ]; then
@@ -451,7 +456,7 @@ function processALTO() {
ELEMENTS_HTML="${ELEMENTS_HTML}</table>"$'\n'
# Special overlays to show absolute black and absolute white pixels
- # The 2.0 is a hack as OpenSeaDragon scales with respect to width
+ # The FULL_REL is a hack as OpenSeaDragon scales with respect to width
OVERLAYS="overlays: ["$'\n'
OVERLAYS="${OVERLAYS}{id: 'white',"$'\n'
OVERLAYS="${OVERLAYS} x: 0.0, y: 0.0, width: 1.0, height: ${FULL_RELATIVE_HEIGHT},"$'\n'
--
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