(no commit message)

[utils] / gps / src / main / java / org / wamblee / gps / geometry / Wgs84CoordinateSystem.java

diff --git a/gps/src/main/java/org/wamblee/gps/geometry/Wgs84CoordinateSystem.java b/gps/src/main/java/org/wamblee/gps/geometry/Wgs84CoordinateSystem.java
deleted file mode 100644 (file)
index d08378d..0000000
--- a/gps/src/main/java/org/wamblee/gps/geometry/Wgs84CoordinateSystem.java
+++ /dev/null
@@ -1,75 +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 WGS 84 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>
- * WGS84 models the earth as an ellipse.
- *
- * @author Erik Brakkee
- */
-public class Wgs84CoordinateSystem implements CoordinateSystem {
-    /*
-     * Ellipsoide parameters, where the ellipsoide is defined by
-     * 
-     * (x^2 + y^2)/a^2 + z^2/b^2 = 1
-     */
-    
-    /**
-     * The radius of the ellipse at the equator
-     */
-    private static final double A = 6378137.000;
-    
-    /**
-     * The distance of the North and South poles to the center of the ellipsoide. 
-     */
-    private static final double B = 6356752.314;  
-
- 
-    /* (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 r = A*B/Math.sqrt(B*B*coslat*coslat + A*A*sinlat*sinlat) + aCoordinates.getX3();
-        
-        return new Coordinates(r*coslat*coslon,
-                               r*coslat*sinlon,
-                               r*sinlat); 
-        
-    }
-    
-    private double radians(double aDegrees) { 
-        return aDegrees/180.0*PI; 
-    }
-}