From: Mathieu Baudier <mbaudier@argeo.org>
Date: Sun, 13 Mar 2011 23:21:45 +0000 (+0000)
Subject: Improve GIS
X-Git-Tag: argeo-commons-2.1.30~1368
X-Git-Url: https://git.argeo.org/?a=commitdiff_plain;h=ae50c6f8bf578334fb3c972cf8d8de29affe2ef3;p=lgpl%2Fargeo-commons.git

Improve GIS

git-svn-id: https://svn.argeo.org/commons/trunk@4293 4cfe0d0a-d680-48aa-b62c-e0a02a3f76cc
---

diff --git a/gis/runtime/org.argeo.gis.geotools/src/main/java/org/argeo/geotools/jcr/GeoJcrUtils.java b/gis/runtime/org.argeo.gis.geotools/src/main/java/org/argeo/geotools/jcr/GeoJcrUtils.java
index 08181759b..15fb6353e 100644
--- a/gis/runtime/org.argeo.gis.geotools/src/main/java/org/argeo/geotools/jcr/GeoJcrUtils.java
+++ b/gis/runtime/org.argeo.gis.geotools/src/main/java/org/argeo/geotools/jcr/GeoJcrUtils.java
@@ -8,9 +8,11 @@ import org.argeo.ArgeoException;
 import org.argeo.jcr.gis.GisNames;
 import org.argeo.jcr.gis.GisTypes;
 import org.geotools.geometry.DirectPosition2D;
+import org.geotools.geometry.jts.JTS;
 import org.geotools.referencing.CRS;
 import org.opengis.geometry.DirectPosition;
 import org.opengis.referencing.crs.CoordinateReferenceSystem;
+import org.opengis.referencing.operation.MathTransform;
 
 import com.vividsolutions.jts.geom.Coordinate;
 import com.vividsolutions.jts.geom.Geometry;
@@ -95,4 +97,15 @@ public class GeoJcrUtils {
 					"Cannot get coordinate reference system for " + node, e);
 		}
 	}
+
+	public static Geometry reproject(CoordinateReferenceSystem crs,
+			Geometry geometry, CoordinateReferenceSystem targetCrs) {
+		try {
+			MathTransform transform = CRS.findMathTransform(crs, targetCrs);
+			return JTS.transform(geometry, transform);
+		} catch (Exception e) {
+			throw new ArgeoException("Cannot reproject " + geometry + " from "
+					+ crs + " to " + targetCrs);
+		}
+	}
 }