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diff --git a/jniwrap/org/proj4/Proj4.java b/jniwrap/org/proj4/Proj4.java
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+/**=====================================================================================
+
+ FILE:  Proj4.java
+
+ DESCRIPTION:  
+
+ NOTES:  ---
+ AUTHOR:          Antonello Andrea
+ EMAIL:               andrea.antonello@hydrologis.com
+ COMPANY:       HydroloGIS / Engineering, University of Trento / CUDAM
+ COPYRIGHT:    Copyright (C) 2004 HydroloGIS / University of Trento / CUDAM, ITALY, GPL
+ VERSION:         $version$
+ CREATED OR MODIFIED:  Oct 15, 2004
+ REVISION:  ---
+ =====================================================================================*/
+
+/* 
+ This library is free software; you can redistribute it and/or 
+ modify it under the terms of the GNU Library General Public 
+ License as published by the Free Software Foundation; either 
+ version 2 of the License, or (at your option) any later version. 
+
+ This library is distributed in the hope that it will be useful, 
+ but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
+ Library General Public License for more details. 
+
+ You should have received a copy of the GNU Library General Public 
+ License along with this library; if not, write to the Free 
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 
+ USA 
+
+ 1. Redistributions of source code must retain the above copyright   
+ notice, this list of conditions and the following disclaimer.   
+ 2. Redistributions in binary form must reproduce the above copyright   
+ notice, this list of conditions and the following disclaimer in the   
+ documentation and/or other materials provided with the distribution.   
+ */
+package org.proj4;
+
+import java.util.LinkedHashMap;
+
+/**
+ * This is the public 
+ * test class to try the jproj api. Reads data from file.
+ * The input file has three lines of header:<BR>
+ * 1) source projection code or option <BR>
+ * 2) destination projection code or option<BR>
+ * 3) rows of the data<BR>
+ * and after the header the data are put in the format:
+ * x0 y0 z0
+ * x1 y1 z1
+ * x2 y2 z2
+ *...etc etc
+ *
+ * example:
+ * srcProj: +proj=latlong +datum=WGS84
+ * destProj: +init=epsg:32632
+ * rows: 2
+ * ...datatriplets
+ * 
+ */
+public class Proj4 implements Proj4Factory
+{
+  Projections srcProjection = null;
+  Projections destProjection = null;
+  Projections projection = null;
+  
+  /**
+   * constructor used to instatiate a single projection. This is used
+   * if the goal is to simply get information about a projection definition
+   * 
+   * @param proj the projection definition
+   */
+  public Proj4(String proj)
+  {
+    if (proj.indexOf("latlong") != -1)
+    {
+      projection = new LatLong(proj);
+    }
+    else
+    {
+      projection = new Others(proj);
+    }
+  }
+  
+  /**
+   * constructor used to instantiate the object for a further reproiection.
+   * From the definitions the source and destination projection are 
+   * created.
+   * 
+   * @param srcProj
+   * @param destProj
+   */
+  public Proj4(String srcProj, String destProj)
+  {
+    if (srcProj.indexOf("latlong") != -1)
+    {
+      srcProjection = new LatLong(srcProj);
+    }
+    else
+    {
+      srcProjection = new Others(srcProj);
+    }
+    if (destProj.indexOf("latlong") != -1)
+    {
+      destProjection = new LatLong(destProj);
+    }
+    else
+    {
+      destProjection = new Others(destProj);
+    }
+  }
+
+  /**
+   * method to reproject a dataset from the source projection to the destination
+   * projection as defined in the constructor
+   * 
+   * @param dataTP the data set to reproject
+   * @param point_count
+   * @param point_offset
+   */
+  public void transform(ProjectionData dataTP, long point_count, int point_offset)
+  {
+    srcProjection.prepareData(dataTP);
+    destProjection.doTheTransform(srcProjection, dataTP, point_count,
+        point_offset);
+    destProjection.prepareTransformedData(dataTP);
+
+    System.out.println("Transformed coordinates and values:");
+    for (int i = 0; i < dataTP.rows; i++)
+    {
+      System.out.println("x = " + dataTP.x[i] + " y = " + dataTP.y[i] + " z = "
+          + dataTP.z[i]);
+    }
+  }
+  
+  /**
+   * @return the projection info as a hashmap
+   */
+  public LinkedHashMap getProjInfo()
+  {
+    return projection.mapProjInfo();
+  }
+
+  /**
+   * @return the source projection info as a hashmap
+   */
+  public LinkedHashMap getSrcProjInfo()
+  {
+    return srcProjection.mapProjInfo();
+  }
+  
+  /**
+   * @return the destination projection info as a hashmap
+   */
+  public LinkedHashMap getDestProjInfo()
+  {
+    return destProjection.mapProjInfo();
+  }
+  
+
+  /**
+   * print the projection info to standard output
+   */
+  public void printProjInfo()
+  {
+    projection.printProjInfo();
+  }
+  
+  /**
+   * print the source projection info to standard output
+   */
+  public void printSrcProjInfo()
+  {
+    srcProjection.printProjInfo();
+  }
+
+  /**
+   * print the destination projection info to standard output
+   */
+  public void printDestProjInfo()
+  {
+    destProjection.printProjInfo();
+  }
+
+}