Add Thermal Gauge Overlay

Add the ability to overlay a thermal gauge on the thermal rendered
image.

ansible/roles/common/templates/noaa-v2.conf.j2

@@ -52,6 +52,8 @@ NOAA_MAP_COUNTRY_BORDER_ENABLE={{ noaa_map_country_border_enable|lower }}
 NOAA_MAP_COUNTRY_BORDER_COLOR={{ noaa_map_country_border_color }}
 NOAA_MAP_STATE_BORDER_ENABLE={{ noaa_map_state_border_enable|lower }}
 NOAA_MAP_STATE_BORDER_COLOR={{ noaa_map_state_border_color }}
+NOAA_THERMAL_TEMP_OVERLAY={{ noaa_thermal_temp_overlay|lower }}
+NOAA_THERMAL_TEMP_OVERLAY_LOCATION={{ noaa_thermal_temp_overlay_location }}
 PRODUCE_SPECTROGRAM={{ produce_spectrogram|lower }}
 PRODUCE_NOAA_PRISTINE={{ produce_noaa_pristine_image|lower }}
 PRODUCE_NOAA_PRISTINE_HISTOGRAM={{ produce_noaa_pristine_histogram|lower }}

config/settings.yml.sample

@@ -145,6 +145,13 @@ noaa_map_country_border_color: "0xffff00"
 noaa_map_state_border_enable: true
 noaa_map_state_border_color: "0xffff00"
 
+# settings for thermal map output for NOAA captures
+#   noaa_thermal_temp_overlay - whether to overlay a thermal map for color codes to temperature
+#   noaa_thermal_temp_overlay_location - where to place the thermal map in images - valid options are:
+#        NorthWest, North, NorthEast, West, Center, East, SouthWest, South, SouthEast
+noaa_thermal_temp_overlay: false
+noaa_thermal_temp_overlay_location: 'NorthEast'
+
 # locale settings for timezone and language
 #   timezone: see https://www.php.net/manual/en/timezones.php
 #   lang_setting: see the 'webpanel/App/Lang' folder for available

config/settings_schema.json

@@ -97,6 +97,10 @@
     "noaa_map_country_border_color":   { "type": "string" },
     "noaa_map_state_border_enable":    { "type": "boolean" },
     "noaa_map_state_border_color":     { "type": "string" },
+    "noaa_thermal_temp_overlay":       { "type": "boolean" },
+    "noaa_thermal_temp_overlay_location": {
+      "type": "string"
+    },
     "timezone":                        { "type": "string" },
     "lang_setting": {
       "type": "string",
@@ -199,6 +203,8 @@
     "noaa_map_country_border_color",
     "noaa_map_state_border_enable",
     "noaa_map_state_border_color",
+    "noaa_thermal_temp_overlay",
+    "noaa_thermal_temp_overlay_location",
     "timezone",
     "lang_setting",
     "web_server_name",

scripts/image_processors/noaa_normalize_annotate.sh

@@ -90,6 +90,16 @@ if [ $extend_annotation -eq 1 ]; then
            -background black \
            -splice "0x${img_expand_px}" "${tmp_out}"
 
+  # generate image with thermal overlay (if specified)
+  # TODO: DRY this up
+  if [ "${ENHANCEMENT}" == "therm" ] && [ "${NOAA_THERMAL_TEMP_OVERLAY}" == "true" ]; then
+    $CONVERT -quality 100 \
+             -format jpg "${tmp_out}" "${NOAA_HOME}/assets/thermal_gauge.png" \
+             -gravity $NOAA_THERMAL_TEMP_OVERLAY_LOCATION \
+             -geometry +10+10 \
+             -composite "${tmp_out}"
+  fi
+
   # generate final image with annotation
   $CONVERT -quality $QUALITY \
            -format jpg "${tmp_out}" "${tmp_dir}/annotation.png" \
@@ -100,7 +110,17 @@ if [ $extend_annotation -eq 1 ]; then
   # clean up
   rm "${tmp_out}"
 else
-  # generate final image with annotation
+  # generate image with thermal overlay (if specified)
+  # TODO: DRY this up
+  if [ "${ENHANCEMENT}" == "therm" ] && [ "${NOAA_THERMAL_TEMP_OVERLAY}" == "true" ]; then
+    $CONVERT -quality 100 \
+             -format jpg "${OUTPUT_JPG}" "${NOAA_HOME}/assets/thermal_gauge.png" \
+             -gravity $NOAA_THERMAL_TEMP_OVERLAY_LOCATION \
+             -geometry +10+10 \
+             -composite "${OUTPUT_JPG}"
+  fi
+
+  # generate image with annotation
   $CONVERT -quality $QUALITY \
            -format jpg "${INPUT_JPG}" "${tmp_dir}/annotation.png" \
            -gravity $IMAGE_ANNOTATION_LOCATION \