.gitignore

@@ -1,4 +0,0 @@
-in
-out
-pdf
-tmp

02-convert.sh

@@ -10,19 +10,16 @@ simplify=2
 morphology="Open:6"
 morphology_shape="Disk"
 
-# Number of colors images are quantized to for component detection
+# Color simplification to apply (50x50% means black/white)
-colors=4
+random_treshold="50x50%"
 
-# Neighbors to evaluate when detecting connected components
+# Treshold for connected components detection
-connected_components=8
+area_treshold=500
 
-# Area treshold for connected components detection
+# Parameters for sigmoidal contrast adjustment for trimming
-area_treshold=1000
+sigmoidal_contrast_trim="35,30%"
 
-# Sigmoidal contrast adjustment used when trimming
+# Parameters for sigmoidal contrast adjustment for result images
-sigmoidal_contrast_trim="30,30%"
-
-# Sigmoidal contrast adjustment visible in result images
 sigmoidal_contrast="45,50%"
 
 # Number of colors result images are quantized to
@@ -74,7 +71,7 @@ else
             -colorspace RGB \
             -sigmoidal-contrast "$sigmoidal_contrast_trim" \
             -resize "$resize_percent%" \
-            -colors "$colors" \
+            -channel All -random-threshold "$random_treshold" \
             -morphology "$morphology" "$morphology_shape" \
             "$tmp1"
         then
@@ -84,11 +81,9 @@ else
         fi
 
         draw=()
-        v=255
 
         while read -r primitive ; do
-            draw+=("-fill" "rgb($v,$v,$v)" "-draw" "$primitive")
+            draw+=("-fill" "white" "-draw" "$primitive")
-            v=$((v-2))
         done < <(
             convert \
                 "$tmp1" \
@@ -97,7 +92,7 @@ else
                 -define connected-components:sort-order=increasing \
                 -define connected-components:area-threshold="$area_treshold" \
                 -virtual-pixel None \
-                -connected-components "$connected_components" \
+                -connected-components 8 \
                 -auto-level \
                 "$com" | \
             perl -e '

03-pdf.sh

@@ -11,7 +11,7 @@ paper="a4paper"
 offset="1cm 3cm"
 
 # Factor to scale image by before placing in page
-scale=0.75
+scale=1
 
 # Filename of complete result PDF
 result="pdf/result.pdf"