Fix autoscale for maps

build.gradle.kts

@@ -10,7 +10,7 @@ val kmathVersion: String by extra("0.3.1-dev-10")
 
 allprojects {
     group = "center.sciprog"
-    version = "0.2.2-dev-8"
+    version = "0.2.2-dev-9"
 
     repositories {
         mavenLocal()

maps-kt-compose/src/commonMain/kotlin/center/sciprog/maps/compose/MapViewScope.kt

@@ -62,7 +62,7 @@ public class MapViewScope internal constructor(
             min(
                 canvasSize.width.value / rectangle.longitudeDelta.radians,
                 canvasSize.height.value / rectangle.latitudeDelta.radians
-            ) * PI / mapTileProvider.tileSize
+            ) * 2 * PI / mapTileProvider.tileSize
         )
         return space.ViewPoint(rectangle.center, zoom.toFloat())
     }