chore: Update legends, fix expression for low migration risk

ADASMELIAE.cfg

@@ -3,11 +3,11 @@
 languages=en,nb 
 
 [i18n.en]
-low_risk = Low infection risk
-high_risk = High infection risk
-temperature = Temperature
+low_risk = Low migration risk
+high_risk = High migration risk
+temperature = Maximum air temperature
 
 [i18n.nb]
-low_risk = Lav infeksjonsrisiko
-high_risk = Høy infeksjonsrisiko
-temperature = Temperatur
\ No newline at end of file
+low_risk = Lav migreringsrisiko
+high_risk = Høy migreringsrisiko
+temperature = Maksimum lufttemperatur
\ No newline at end of file

mapfile/template.j2

@@ -143,14 +143,14 @@ LAYER
     # class using simple string comparison, equivalent to ([pixel] = 0)
   
     CLASS
-      NAME "Low infection risk"
-      EXPRESSION ([pixel] < 3) 
+      NAME "Low migration risk"
+      EXPRESSION ([pixel] >= 0 AND [pixel] < 3) 
       STYLE
           COLOR 255 204 0
       END
     END
     CLASS
-      NAME "High infection risk"
+      NAME "High migration risk"
       EXPRESSION ([pixel] >= 3) 
       STYLE
           COLOR  255 0 0