add some notes, disable the inoperative sprite_default with note

tangrams · Dec 2, 2018 · 18d965c · 18d965c
1 parent c51f09b
commit 18d965c
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/walkabout-style.yaml b/walkabout-style.yaml
@@ -2108,6 +2108,8 @@ layers:
                         mapzen_icon_library:
                             visible: false
             # this is kinda a hack
+            # FYI: This happens to "win" in style resolution because it's a-z sorted
+            # don't rename the layer or it'll fail
             width_longggggg:
                 filter: |
                     function() {
@@ -2121,6 +2123,12 @@ layers:
                     mapzen_icon_library:
                         visible: false
 
+            #
+            # Now for the good stuff
+            #
+            # JK: see the theme files for USA and international shields
+
+            # FYI: When the USA shields theme is imported it replaces this layer with a richer set of textures
             shields-usa:
                 filter:
                     all:
@@ -2131,7 +2139,7 @@ layers:
                         #texture: mapzen_icon_library_shields_usa
                         # you need to match any custom shield to the vector tile `network` values
                         sprite: function() { return (feature.network + '-' + feature.shield_text.length + 'char'); }
-                        sprite_default: function() { return ('generic_shield-' + feature.shield_text.length + 'char'); }
+                        # FYI: sprite_default doesn't support functions, default is carried by parent style's sprite function
 
                 # US Interstate roads
                 US-I: