Code vereinfacht; mehr Variationen; "plus" korrigiert

MKS-270/createImages

 #!/bin/bash
 #
-# Rolf Niepraschk <Rolf.Niepraschk@ptb.de>, 2017-04-03
+# Rolf Niepraschk <Rolf.Niepraschk@ptb.de>, 2017-04-07
 #
 # Erzeugt aus einem leeren Messgeräte-Bild und neun 7-Segment-Bildern
 # neue Messgeräte-Bilder 
@@ -15,12 +15,12 @@ MAX_DIGITS=6 # do not edit!
 MAX_FILES=10 # do not edit!
 NUMBER_OF_DIGITS=$MAX_DIGITS
 
-SHOW_EXP=1
+SHOW_EXP=true
 
 if [ -n "$1" ]; then
   MAX_FILES=$1
   if [ -n "$2" ]; then
-    SHOW_EXP=0
+    SHOW_EXP=false
     NUMBER_OF_DIGITS=$2
   fi  
 fi
@@ -31,14 +31,14 @@ else
   if (( $NUMBER_OF_DIGITS < 1 )); then
     NUMBER_OF_DIGITS=1
   fi
-fi 
+fi
 
 rm -rf "$IMAGE_DIR"
-mkdir -p "$IMAGE_DIR"
+mkdir -p "$IMAGE_DIR" 
 
-_dotFile='dot.png'
-_plusFile='plus.png'
-_minusFile='minus.png'
+dotFile='dot.png'
+plusFile='plus.png'
+minusFile='minus.png'
 emptyCanvas='xc:transparent'
 
 digitFile[0]='digit-0.png'
@@ -51,8 +51,21 @@ digitFile[6]='digit-6.png'
 digitFile[7]='digit-7.png'
 digitFile[8]='digit-8.png'
 digitFile[9]='digit-9.png'
-digitFile[98]=$emptyCanvas
-digitFile[99]=$emptyCanvas
+digitFile[10]='minus.png'
+digitFile[11]='plus.png'
+
+NUM2CHAR[0]='0'
+NUM2CHAR[1]='1'
+NUM2CHAR[2]='2'
+NUM2CHAR[3]='3'
+NUM2CHAR[4]='4'
+NUM2CHAR[5]='5'
+NUM2CHAR[6]='6'
+NUM2CHAR[7]='7'
+NUM2CHAR[8]='8'
+NUM2CHAR[9]='9'
+NUM2CHAR[10]='-'
+NUM2CHAR[11]='+'
 
 digitPos[1]='+133+151'
 digitPos[2]='+193+151'
@@ -68,102 +81,56 @@ dotPos[4]=${digitPos[4]}
 dotPos[5]=${digitPos[5]}
 dotPos[6]=${digitPos[6]}
 
-NUM2CHAR[0]='0'
-NUM2CHAR[1]='1'
-NUM2CHAR[2]='2'
-NUM2CHAR[3]='3'
-NUM2CHAR[4]='4'
-NUM2CHAR[5]='5'
-NUM2CHAR[6]='6'
-NUM2CHAR[7]='7'
-NUM2CHAR[8]='8'
-NUM2CHAR[9]='9'
-NUM2CHAR[98]=''
-NUM2CHAR[99]='_'
-
 for ((FNb=1; FNb<=MAX_FILES; FNb++)); do
 
-SIGN=$((RANDOM % 2)) # random (0|1=+|-)
-if [ $SIGN == 0 ]; then
-  signFile=$_plusFile # sign file
-  signChar='+'  # sign character
-else
-  signFile=$_minusFile
-  signChar='-'
-fi
-
-DPR=$((RANDOM % 6 + 1)) # random dot position (1..6) 
-
+value=""
+DPR=$((RANDOM % $NUMBER_OF_DIGITS + 1)) # random dot position (1..$NUMBER_OF_DIGITS)
 for (( i=1; i<=$MAX_DIGITS; i++ )); do
-  if [ $i == 1 ]; then # position 1: "1" or nothing
-    if [ $((RANDOM % 2)) == 0 ]; then
-      if [ $DPR == 1 ]; then 
-        DNR[1]=98 # no space
-      else
-        DNR[1]=99 # space
-      fi
+  if (( $i <= $NUMBER_OF_DIGITS )); then
+    R=$((RANDOM % 12)) # random digit number (0..11='0'..'+')
+    eval DIGIT$i=${digitFile[R]}
+    value+="${NUM2CHAR[R]}"
+    if [ $DPR == $i ]; then
+      eval DOT$i="$dotFile"
+      value+="."
     else
-      DNR[1]=1
+      eval DOT$i=$emptyCanvas;
     fi
-    # random digit number (99|1)
-  else
-    DNR[$i]=$((RANDOM % 10)) # random digit number (0..9)
-  fi
-  if [ $DPR == $i ]; then
-    dotFile[$i]="$_dotFile"
-    dotChar[$i]="." # dot character
-  else
-    dotFile[$i]=$emptyCanvas
-    dotChar[$i]=""
-  fi
-done
-
-value="${signChar}${DNR6}${dotChar[6]}${DNR[5]}${dotChar[5]}${DNR[4]}${dotChar[4]}"
-value+="${DNR[3]}${dotChar[3]}${DNR[2]}${dotChar[2]}${DNR[1]}${dotChar[1]}"
-
-value="${signChar}"
-for (( i=1; i<=$MAX_DIGITS; i++ )); do 
-  if (( $i <= $NUMBER_OF_DIGITS )); then
-    eval DIGIT$i=${digitFile[ ${DNR[i]} ]}
-    eval DF$i=${dotFile[i]}
-    value+="${NUM2CHAR[${DNR[i]}]}${dotChar[i]}" 
   else
     eval DIGIT$i=$emptyCanvas;
-    eval DF$i=$emptyCanvas;
+    eval DOT$i=$emptyCanvas;
   fi
 done
 
-fname="$IMAGE_DIR/$MAIN@$value@.png"
+fname="$IMAGE_DIR/$MAIN@$value@.png" 
+
+echo -e "$FNb:\t$fname"
 
 convert body.png \
-  $signFile -geometry ${digitPos[1]} -composite \
-  $DIGIT1 -geometry ${digitPos[1]} -composite \
-  $DF1 -geometry ${dotPos[1]} -composite \
-  $DIGIT2 -geometry ${digitPos[2]} -composite \
-  $DF2 -geometry ${dotPos[2]} -composite \
-  $DIGIT3 -geometry ${digitPos[3]} -composite \
-  $DF3 -geometry ${dotPos[3]} -composite \
-  $DIGIT4 -geometry ${digitPos[4]} -composite \
-  $DF4 -geometry ${dotPos[4]} -composite \
-  $DIGIT5 -geometry ${digitPos[5]} -composite \
-  $DF5 -geometry ${dotPos[5]} -composite \
-  $DIGIT6 -geometry ${digitPos[6]} -composite \
-  $DF6 -geometry ${dotPos[6]} -composite \
+  $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 \
+  $DOT4     -geometry ${dotPos[4]}    -composite \
+  $DIGIT5   -geometry ${digitPos[5]}  -composite \
+  $DOT5     -geometry ${dotPos[5]}    -composite \
+  $DIGIT6   -geometry ${digitPos[6]}  -composite \
+  $DOT6     -geometry ${dotPos[6]}    -composite \
   $fname
-
+  
 exiv2 -M"set Exif.Image.ImageDescription value=$value" $fname
 
-echo -e "$FNb:\t$fname"
-
 done # MAX_FILES
 
 exit
-  
+
 -----------------------------------------------------------------------
 
 Auslesen der Exif-Daten:
-exiv2 -g Exif.Image.ImageDescription -P v ./images/151.108@GERAET_X.png
---> value=151.108
-
+exiv2 -g Exif.Image.ImageDescription -P v ./images/ADIXEN@???@.png
+--> value=???