Spactrum: allow arbitrary FPS (API) or in a range of FPS (GUI) with possible no limit. Implements #772

sdrbase/resources/webapi/doc/swagger/include/Map.yaml

@@ -34,16 +34,18 @@ MapItem:
   properties:
     name:
       description: "A name for the item"
-      type: string 
+      type: string
     image:
       description: "Filename or URL of image to draw on the map"
       type: string
     imageRotation:
       description: "Angle to rotate the image by"
       type: integer
-    imageFixedSize:
-      description: "Keep the image the same size, regardless of map zoom level (1 for yes, 0 for no)"
+      default: 0
+    imageMinZoom:
+      description: "Minimim zoom value"
       type: integer
+      default: 11
     text:
       descrption: "Text to draw on the map when item is selected"
       type: string
@@ -55,3 +57,7 @@ MapItem:
       description: "Longitude in decimal degrees, positive to the east"
       type: number
       format: float
+    altitude:
+      description: "Altitude / height above sea level in metres"
+      type: number
+      format: float