Add AHI airmass, ash, dust, fog, and night_microphysics RGBs

satpy/etc/composites/ahi.yaml

@@ -28,6 +28,78 @@ composites:
       modifiers: [sunz_corrected]
     standard_name: toa_bidirectional_reflectance
 
+  airmass:
+    # PDF slides: https://www.eumetsat.int/website/home/News/ConferencesandEvents/DAT_2833302.html
+    # Under session 2 by Akihiro Shimizu (JMA)
+    compositor: !!python/name:satpy.composites.GenericCompositor
+    prerequisites:
+      - compositor: !!python/name:satpy.composites.DifferenceCompositor
+        prerequisites:
+          - name: B08
+          - name: B10
+      - compositor: !!python/name:satpy.composites.DifferenceCompositor
+        prerequisites:
+          - name: B12
+          - name: B14
+      - name: B08
+    standard_name: airmass
+
+  ash:
+    compositor: !!python/name:satpy.composites.GenericCompositor
+    prerequisites:
+      - compositor: !!python/name:satpy.composites.DifferenceCompositor
+        prerequisites:
+          - name: B15
+          - name: B13
+      - compositor: !!python/name:satpy.composites.DifferenceCompositor
+        prerequisites:
+          - name: B14
+          - name: B11
+      - name: B13
+    standard_name: ash
+
+  dust:
+    compositor: !!python/name:satpy.composites.GenericCompositor
+    prerequisites:
+      - compositor: !!python/name:satpy.composites.DifferenceCompositor
+        prerequisites:
+          - name: B15
+          - name: B13
+      - compositor: !!python/name:satpy.composites.DifferenceCompositor
+        prerequisites:
+          - name: B14
+          - name: B11
+      - name: B13
+    standard_name: dust
+
+  fog:
+    compositor: !!python/name:satpy.composites.GenericCompositor
+    prerequisites:
+      - compositor: !!python/name:satpy.composites.DifferenceCompositor
+        prerequisites:
+          - name: B15
+          - name: B13
+      - compositor: !!python/name:satpy.composites.DifferenceCompositor
+        prerequisites:
+          - name: B14
+          - name: B11
+      - name: B13
+    standard_name: fog
+
+  night_microphysics:
+    compositor: !!python/name:satpy.composites.GenericCompositor
+    prerequisites:
+      - compositor: !!python/name:satpy.composites.DifferenceCompositor
+        prerequisites:
+          - name: B15
+          - name: B13
+      - compositor: !!python/name:satpy.composites.DifferenceCompositor
+        prerequisites:
+          - name: B14
+          - name: B07
+      - name: B13
+    standard_name: night_microphysics
+
   fire_temperature:
     # CIRA: Original VIIRS
     compositor: !!python/name:satpy.composites.GenericCompositor

satpy/etc/enhancements/abi.yaml

@@ -20,3 +20,12 @@ enhancements:
       - name: gamma
         method: !!python/name:satpy.enhancements.gamma
         kwargs: {gamma: 1.5}
+  airmass:
+    standard_name: airmass
+    operations:
+      - name: stretch
+        method: !!python/name:satpy.enhancements.stretch
+        kwargs:
+          stretch: crude
+          min_stretch: [-26.2, -43.2, 243.9]
+          max_stretch: [0.6, 6.7, 208.5]

satpy/etc/enhancements/ahi.yaml

@@ -0,0 +1,11 @@
+enhancements:
+  airmass:
+    # matches ABI
+    standard_name: airmass
+    operations:
+      - name: stretch
+        method: !!python/name:satpy.enhancements.stretch
+        kwargs:
+          stretch: crude
+          min_stretch: [-26.2, -43.2, 243.9]
+          max_stretch: [0.6, 6.7, 208.5]

satpy/etc/enhancements/generic.yaml

@@ -143,16 +143,6 @@ enhancements:
         min_stretch: [-25, -40, 243]
         max_stretch: [0, 5, 208]
 
-  airmass_abi:
-    standard_name: airmass
-    sensor: abi
-    operations:
-    - name: stretch
-      method: *stretchfun
-      kwargs:
-        stretch: crude
-        min_stretch: [-26.2, -43.2, 243.9]
-        max_stretch: [0.6, 6.7, 208.5]
   green_snow_default:
     standard_name: green_snow
     operations: