Added elevation on overlay and changed JPG to PNG

I've added elevation on text overlay, changed all images from JPG to PNG in order to preserve whole resolution and added code to remove map image for overlay.

receive.sh

@@ -42,18 +42,20 @@ log "Bulding pass map" "INFO"
 /usr/local/bin/wxmap -T "${1}" -H "${4}" -p 0 -l 0 -o "${PASS_START}" "${NOAA_HOME}/map/${3}-map.png"
 for i in $ENHANCEMENTS; do
 	log "Decoding image" "INFO"
-	/usr/local/bin/wxtoimg -o -m "${NOAA_HOME}/map/${3}-map.png" -e "$i" "${RAMFS_AUDIO}/audio/${3}.wav" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/${3}-$i.jpg"
-	/usr/bin/convert -quality 90 -format jpg "${NOAA_OUTPUT}/image/${FOLDER_DATE}/${3}-$i.jpg" -undercolor black -fill yellow -pointsize 18 -annotate +20+20 "${1} $i ${START_DATE}" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/${3}-$i.jpg"
+	/usr/local/bin/wxtoimg -o -m "${NOAA_HOME}/map/${3}-map.png" -e "$i" "${RAMFS_AUDIO}/audio/${3}.wav" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/${3}-$i.png"
+	/usr/bin/convert "${NOAA_OUTPUT}/image/${FOLDER_DATE}/${3}-$i.png" -undercolor black -fill yellow -pointsize 18 -annotate +20+20 "${1} $i ${START_DATE} Elevation: $7°" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/${3}-$i.png"
 done
 if [ -n "$CONSUMER_KEY" ]; then
 	log "Posting to Twitter" "INFO"
 	if [ "${SUN_ELEV}" -gt "${SUN_MIN_ELEV}" ]; then
-		python3 "${NOAA_HOME}/post.py" "$1 ${START_DATE}" "$7" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-MCIR-precip.jpg" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-MSA-precip.jpg" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-HVC-precip.jpg" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-HVCT-precip.jpg" 
+		python3 "${NOAA_HOME}/post.py" "$1 ${START_DATE}" "$7" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-MCIR-precip.png" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-MSA-precip.png" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-HVC-precip.png" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-HVCT-precip.png" 
 	else
-		python3 "${NOAA_HOME}/post.py" "$1 ${START_DATE}" "$7" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-MCIR-precip.jpg" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-MCIR.jpg"
+		python3 "${NOAA_HOME}/post.py" "$1 ${START_DATE}" "$7" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-MCIR-precip.png" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-MCIR.png"
 	fi
 fi
 
+rm "${NOAA_HOME}/map/${3}-map.png"
+
 if [ "$DELETE_AUDIO" = true ]; then
 	log "Deleting audio files" "INFO"
     rm "${RAMFS_AUDIO}/audio/${3}.wav"