Changeset 25265 in osm

Timestamp:

2011-02-09T12:58:23+01:00 (14 years ago)

Author:

upliner

Message:

add support for Scanex IRS tilesource (patch by glebius)

Location:

applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer

Files:

• OsmTileSource.java (modified) (1 diff)
• ScanexIRSTileSource.java (added)
• interfaces/TileSource.java (modified) (1 diff)

applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/OsmTileSource.java

@@ -99 +99 @@
             return "http://openstreetmap.org/";
         }
+
+        public double latToTileY(double lat, int zoom) {
+            double l = lat / 180 * Math.PI;
+            double pf = Math.log(Math.tan(l) + (1 / Math.cos(l)));
+            return Math.pow(2.0, zoom - 1) * (Math.PI - pf) / Math.PI;
+        }
+
+        public double lonToTileX(double lon, int zoom) {
+            return Math.pow(2.0, zoom - 3) * (lon + 180.0) / 45.0;
+        }
+
+        public double tileYToLat(int y, int zoom) {
+            return Math.atan(Math.sinh(Math.PI
+                - (Math.PI * y / Math.pow(2.0, zoom - 1))))
+                * 180 / Math.PI;
+        }
+
+        public double tileXToLon(int x, int zoom) {
+            return x * 45.0 / Math.pow(2.0, zoom - 3) - 180.0;
+        }
     }
 

applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/interfaces/TileSource.java

@@ -124 +124 @@
      */
     public String getTermsOfUseURL();
+
+    public double latToTileY(double lat, int zoom);
+
+    public double lonToTileX(double lon, int zoom);
+     
+    public double tileYToLat(int y, int zoom);
+            
+    public double tileXToLon(int x, int zoom);
 }