"LH"

LH/createImages

+#!/bin/bash
+#
+# Rolf Niepraschk <Rolf.Niepraschk@ptb.de>, 2017-06-21
+#
+# Erzeugt aus einem leeren Messgeräte-Bild und neun 7-Segment-Bildern
+# neue Messgeräte-Bilder 
+#
+# Parameter1 = Anzahl der erzeugten Bilddateien
+#
+# Parameter2 = Anzahl der Einzelziffern
+
+MAIN="LH" # device name
+IMAGE_DIR=./images
+MAX_DIGITS=4 # do not edit!
+MAX_FILES=10 # do not edit!
+NUMBER_OF_DIGITS=$MAX_DIGITS
+
+SHOW_EXP=true
+
+if [ -n "$1" ]; then
+  MAX_FILES=$1
+fi
+
+if (( $NUMBER_OF_DIGITS > $MAX_DIGITS )); then
+  NUMBER_OF_DIGITS=$MAX_DIGITS
+else 
+  if (( $NUMBER_OF_DIGITS < 1 )); then
+    NUMBER_OF_DIGITS=1
+  fi
+fi
+
+rm -rf "$IMAGE_DIR"
+mkdir -p "$IMAGE_DIR"
+
+dotFile='dot.png'
+edotFile='edot.png'
+emptyCanvas='xc:transparent'
+
+
+#---------------------
+
+ 
+
+dotFile='dot.png'
+plusFile='plus.png'
+minusFile='minus.png'
+emptyCanvas='xc:transparent'
+
+digitFile[0]='digit-0.png'
+digitFile[1]='digit-1.png'
+digitFile[2]='digit-2.png'
+digitFile[3]='digit-3.png'
+digitFile[4]='digit-4.png'
+digitFile[5]='digit-5.png'
+digitFile[6]='digit-6.png'
+digitFile[7]='digit-7.png'
+digitFile[8]='digit-8.png'
+digitFile[9]='digit-9.png'
+edigitFile[0]='edigit-0.png'
+edigitFile[1]='edigit-1.png'
+edigitFile[2]='edigit-2.png'
+edigitFile[3]='edigit-3.png'
+edigitFile[4]='edigit-4.png'
+edigitFile[5]='edigit-5.png'
+edigitFile[6]='edigit-6.png'
+edigitFile[7]='edigit-7.png'
+edigitFile[8]='edigit-8.png'
+edigitFile[9]='edigit-9.png'
+
+digitPos[1]='+188+136'
+digitPos[2]='+244+136'
+digitPos[3]='+300+136'
+digitPos[4]='+384+136'
+
+dotPos[1]=${digitPos[1]}
+dotPos[2]=${digitPos[2]}
+dotPos[3]=${digitPos[3]}
+
+for ((FNb=1; FNb<=MAX_FILES; FNb++)); do
+
+value=""
+DPR=$((RANDOM % ($NUMBER_OF_DIGITS + 1))) # random dot position (0..$NUMBER_OF_DIGITS)
+for (( i=1; i<=$MAX_DIGITS; i++ )); do
+  if (( $i == 4 )); then
+    value+="-"
+  fi
+  R=$((RANDOM % 10)) # random digit number (0..9='0'..'9')
+  value+="${R}"
+  if (( $i <= 3 )); then # mantissa
+    eval DIGIT$i=${digitFile[R]}
+    if [ $DPR == $i ]; then
+      eval DOT$i="$dotFile"
+      value+="."
+    else
+      eval DOT$i=$emptyCanvas;
+    fi
+  else # exponent
+    eval DIGIT$i=${edigitFile[R]}
+    if [ $DPR == $i ]; then
+      eval DOT$i="$edotFile"
+      value+="."
+    else
+      eval DOT$i=$emptyCanvas;
+    fi
+  fi
+done # NUMBER_OF_DIGITS
+
+fname="$IMAGE_DIR/$MAIN@$value@.png" 
+
+echo -e "$FNb:\t$fname"
+
+convert body.png \
+  $DIGIT1   -geometry ${digitPos[1]}  -composite \
+  $DOT1     -geometry ${dotPos[1]}    -composite \
+  $DIGIT2   -geometry ${digitPos[2]}  -composite \
+  $DOT2     -geometry ${dotPos[2]}    -composite \
+  $DIGIT3   -geometry ${digitPos[3]}  -composite \
+  $DOT3     -geometry ${dotPos[3]}    -composite \
+  $DIGIT4   -geometry ${digitPos[4]}  -composite \
+  $fname
+
+exiv2 -M"set Exif.Image.ImageDescription value=$value" $fname 
+ 
+done # MAX_FILES
+
+exit
+
+-----------------------------------------------------------------------
+
+Auslesen der Exif-Daten:
+exiv2 -g Exif.Image.ImageDescription -P v ./images/ADIXEN@???@.png
+--> value=???
+
+