Added a simple container for inverse localization result.

rugged-api/src/main/java/org/orekit/rugged/api/SensorPixel.java

+/* Copyright 2013-2014 CS Systèmes d'Information
+ * Licensed to CS Systèmes d'Information (CS) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * CS licenses this file to You 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.orekit.rugged.api;
+
+import java.io.Serializable;
+
+/** Container for sensor pixel.
+ * <p>
+ * Instances of this class are guaranteed to be immutable.
+ * </p>
+ * @author Luc Maisonobe
+ */
+public class SensorPixel implements Serializable {
+
+    /** Serializable UID. */
+    private static final long serialVersionUID = 20140309L;
+
+    /** Line number. */
+    private final int lineNumber;
+
+    /** Pixel number. */
+    private final int pixelNumber;
+
+    /**
+     * Build a new instance.
+     *
+     * @param lineNumber line number
+     * @param pixelNumber pixel number
+     */
+    public SensorPixel(final int lineNumber, final int pixelNumber) {
+        this.lineNumber  = lineNumber;
+        this.pixelNumber = pixelNumber;
+    }
+
+    /** Get the line number.
+     * @return line number
+     */
+    public int getLineNumber() {
+        return lineNumber;
+    }
+
+    /** Get the pixel number.
+     * @return pixel number
+     */
+    public int getPixelNumber() {
+        return pixelNumber;
+    }
+
+}