GeoShape to Geometry

[gpl/argeo-suite.git] / org.argeo.app.geo / src / org / argeo / app / geo / GpxUtils.java

diff --git a/org.argeo.app.geo/src/org/argeo/app/geo/GpxUtils.java b/org.argeo.app.geo/src/org/argeo/app/geo/GpxUtils.java
index 5b07d1677fe72166ae9329327062812ddf35b37b..2a946f48ac29998bc413187d421e5dde09a445f2 100644 (file)
--- a/org.argeo.app.geo/src/org/argeo/app/geo/GpxUtils.java
+++ b/org.argeo.app.geo/src/org/argeo/app/geo/GpxUtils.java
@@ -88,8 +88,12 @@ public class GpxUtils {
                        // multiPoint.normalize();
                        return (T) multiPoint;
                } else if (Polygon.class.isAssignableFrom(clss)) {
-                       // close the line string
-                       coordinates.add(coordinates.get(0));
+                       Coordinate first = coordinates.get(0);
+                       Coordinate last = coordinates.get(coordinates.size() - 1);
+                       if (!(first.getX() == last.getX() && first.getY() == last.getY())) {
+                               // close the line string
+                               coordinates.add(first);
+                       }
                        Polygon polygon = geometryFactory.createPolygon(coordinates.toArray(new Coordinate[coordinates.size()]));
                        return (T) polygon;
                } else if (SimpleFeature.class.isAssignableFrom(clss)) {
@@ -114,7 +118,7 @@ public class GpxUtils {
                return area;
        }
 
-       /** Write ODK GepShape as a GPX file. */
+       /** Write ODK GeoShape as a GPX file. */
        public static void writeGeoShapeAsGpx(String geoShape, OutputStream out) throws IOException {
                Objects.requireNonNull(geoShape);
                Writer writer = new OutputStreamWriter(out, StandardCharsets.UTF_8);