Changeset 5040 in josm for trunk/src

Timestamp:

2012-03-04T21:56:39+01:00 (13 years ago)

Author:

Don-vip

Message:

Allow plugins to retrieve known Lambert projection parameters

Location:

trunk/src/org/openstreetmap/josm/data/projection

Files:

• AbstractProjection.java (modified) (1 diff)
• proj/LambertConformalConic.java (modified) (5 diffs)

trunk/src/org/openstreetmap/josm/data/projection/AbstractProjection.java

@@ -40 +40 @@
     public final Datum getDatum() {
         return datum;
+    }
+
+    public final Proj getProj() {
+        return proj;
     }
 

trunk/src/org/openstreetmap/josm/data/projection/proj/LambertConformalConic.java

@@ -17 +17 @@
     protected Ellipsoid ellps;
     protected double e;
+    
+    public static abstract class Parameters {
+        public final double latitudeOrigin;
+        public Parameters(double latitudeOrigin) {
+            this.latitudeOrigin = latitudeOrigin;
+        }
+    };
+    
+    public static class Parameters1SP extends Parameters {
+        public Parameters1SP(double latitudeOrigin) {
+            super(latitudeOrigin);
+        }
+    }
 
+    public static class Parameters2SP extends Parameters {
+        public final double standardParallel1;
+        public final double standardParallel2;
+        public Parameters2SP(double latitudeOrigin, double standardParallel1, double standardParallel2) {
+            super(latitudeOrigin);
+            this.standardParallel1 = standardParallel1;
+            this.standardParallel2 = standardParallel2;
+        }
+    }
+
+    private Parameters params;
+    
     /**
      * projection exponent
@@ -53 +78 @@
      */
     public void updateParameters2SP(Ellipsoid ellps, double lat_0, double lat_1, double lat_2) {
+        this.params = new Parameters2SP(lat_0, lat_1, lat_2);
         this.ellps = ellps;
         this.e = ellps.e;
@@ -75 +101 @@
      */
     public void updateParameters1SP(Ellipsoid ellps, double lat_0) {
+        this.params = new Parameters1SP(lat_0);
         this.ellps = ellps;
         this.e = ellps.e;
@@ -96 +123 @@
      */
     public void updateParametersDirect(Ellipsoid ellps, double n, double F, double r0) {
+        this.params = null;
         this.ellps = ellps;
         this.e = ellps.e;
@@ -149 +177 @@
     }
     
+    public final Parameters getParameters() {
+        return params;
+    }
 }