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[utils] / gps / src / main / java / org / wamblee / gps / geometry / SphericalCoordinateSystem.java

diff --git a/gps/src/main/java/org/wamblee/gps/geometry/SphericalCoordinateSystem.java b/gps/src/main/java/org/wamblee/gps/geometry/SphericalCoordinateSystem.java
deleted file mode 100644 (file)
index 78c54ee..0000000
--- a/gps/src/main/java/org/wamblee/gps/geometry/SphericalCoordinateSystem.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright 2006 the original author or authors.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */ 
-
-package org.wamblee.gps.geometry;
-
-import static java.lang.Math.PI;
-import static java.lang.Math.cos;
-import static java.lang.Math.sin;
-
-
-/**
- * Represents the coordinate system for a GPS measurement identified by
- * <ul>
- *   <li> x1: latitude in degrees </li>
- *   <li> x2: longitude in degrees </li>
- *   <li> x3: elevation in meters </li>
- * </ul>
- * This coordinate system models the earth as a sphere of a specific radius. 
- *
- * @author Erik Brakkee
- */
-public class SphericalCoordinateSystem implements CoordinateSystem {
-    /**
-     * Earth radius in meters. 
-     */
-    private static final double EARTH_RADIUS = 6371000; 
-
- 
-    /* (non-Javadoc)
-     * @see org.wamblee.gpx.CoordinateSystem#toReferenceSystem(org.wamblee.gpx.Coordinates)
-     */
-    public Coordinates toReferenceSystem(Coordinates aCoordinates) {
-        double latrad = radians(aCoordinates.getX1()); 
-        double lonrad = radians(aCoordinates.getX2());
-        double coslat = cos(latrad); 
-        double sinlat = sin(latrad);
-        double coslon = cos(lonrad);
-        double sinlon = sin(lonrad); 
-        
-        double trueElevation = EARTH_RADIUS + aCoordinates.getX3(); 
-        return new Coordinates(trueElevation*coslat*coslon,
-                               trueElevation*coslat*sinlon,
-                               trueElevation*sinlat); 
-        
-    }
-    
-    private double radians(double aDegrees) { 
-        return aDegrees/180.0*PI; 
-    }
-}