add PathLayer example

vtm-android-example/src/org/oscim/android/test/PathOverlayActivity.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2014 Hannes Janetzek
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.android.test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.oscim.android.MapActivity;
+import org.oscim.android.MapView;
+import org.oscim.core.GeoPoint;
+import org.oscim.layers.PathLayer;
+
+import android.graphics.Color;
+import android.os.Bundle;
+
+public class PathOverlayActivity extends MapActivity {
+
+	MapView mMapView;
+
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_map);
+
+		mMapView = (MapView) findViewById(R.id.mapView);
+
+
+		for (double lon = -180; lon <= 180; lon += 10) {
+			PathLayer pathLayer = new PathLayer(mMap, Color.CYAN);
+			pathLayer.addGreatCircle(new GeoPoint(-90, lon), new GeoPoint(90, lon));
+			mMap.getLayers().add(pathLayer);
+
+		}
+
+		for (double lat = -90; lat <= 90; lat += 10) {
+			List<GeoPoint> pts = new ArrayList<GeoPoint>();
+
+			for (double lon = -180; lon <= 180; lon += 10)
+				pts.add(new GeoPoint(lat, lon));
+
+			PathLayer pathLayer = new PathLayer(mMap, Color.CYAN);
+			pathLayer.setPoints(pts);
+
+			mMap.getLayers().add(pathLayer);
+		}
+
+
+		for (double lat = -90; lat <= 90; lat += 10) {
+			PathLayer pathLayer = new PathLayer(mMap, Color.LTGRAY, 4);
+			pathLayer.addGreatCircle(new GeoPoint(lat, -90), new GeoPoint(lat, 0));
+			mMap.getLayers().add(pathLayer);
+		}
+
+		for (double lat = -90; lat <= 90; lat += 10) {
+			PathLayer pathLayer = new PathLayer(mMap, Color.LTGRAY, 4);
+			mMap.getLayers().add(pathLayer);
+		}
+	}
+}