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

diff --git a/gps/src/main/java/org/wamblee/gps/geometry/Plane.java b/gps/src/main/java/org/wamblee/gps/geometry/Plane.java
deleted file mode 100644 (file)
index e12ea07..0000000
--- a/gps/src/main/java/org/wamblee/gps/geometry/Plane.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 org.wamblee.general.Pair;
-
-/**
- * Represents a plane. Usually used to represent a tangent plane to the earth surface to
- * locally approximate the earth as flat.  
- *
- * @author Erik Brakkee
- */
-public class Plane {
-    
-    private static final double EPS = 1e-4;
-    
-    private Coordinates _point; 
-    private Coordinates _normal; 
-    private Coordinates _north;
-    private Coordinates _east;
-
-    /**
-     * Constructs a plane. 
-     * @param aPoint Point on the plane. 
-     * @param aNormal Normal, not necessarily normalized. 
-     */
-    public Plane(Point aPoint, Point aNormal) {
-        _point = aPoint.getReferenceCoordinates(); 
-        _normal = aNormal.getReferenceCoordinates().normalize();
-        Coordinates north = new Coordinates(0.0, 0.0, 1.0);
-        _north = north.subtract(_normal.scale(north.innerProduct(_normal))).normalize();
-        _east = _north.outerProduct(_normal);
-      
-        if (  _normal.innerProduct(_north) > EPS ) {
-            throw new IllegalArgumentException("North access is not within the plane");
-        }
-    }
-    
-    /**
-     * Projects a point onto the plane.  
-     * @param aPoint Point to project. 
-     * @return Projected point. 
-     */
-    private Coordinates project(Point aPoint) { 
-        Coordinates ref = aPoint.getReferenceCoordinates();
-        double lambda = _normal.innerProduct(
-                _point.subtract(ref));
-        return ref.add(_normal.scale(lambda));
-    }
-    
-    /**
-     * Returns normalized coordinates within the plane of the projection of a point. 
-     */
-    public Pair<Double,Double> normalizedProjection(Point aPoint) { 
-        Coordinates projection = project(aPoint);
-        Coordinates delta = projection.subtract(_point);
-        double x1 = delta.innerProduct(_north);
-        double x2 = delta.innerProduct(_east);
-        return new Pair<Double,Double>(x1, x2);
-    }
-}