vtm/vtm-playground/src/org/oscim/test/ClusterMarkerLayerTest.java
2020-04-28 14:15:05 +03:00

102 lines
4.1 KiB
Java

/*
* Copyright 2016-2020 devemux86
* Copyright 2017 nebular
*
* 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.test;
import org.oscim.backend.CanvasAdapter;
import org.oscim.backend.canvas.Bitmap;
import org.oscim.backend.canvas.Color;
import org.oscim.core.GeoPoint;
import org.oscim.gdx.GdxMapApp;
import org.oscim.layers.marker.*;
import org.oscim.layers.tile.bitmap.BitmapTileLayer;
import org.oscim.tiling.source.OkHttpEngine;
import org.oscim.tiling.source.UrlTileSource;
import org.oscim.tiling.source.bitmap.DefaultSources;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class ClusterMarkerLayerTest extends MarkerLayerTest {
private static final int COUNT = 5;
private static final float STEP = 100f / 110000f; // roughly 100 meters
@Override
public void createLayers() {
try {
// Map events receiver
mMap.layers().add(new MapEventsReceiver(mMap));
UrlTileSource tileSource = DefaultSources.OPENSTREETMAP
.httpFactory(new OkHttpEngine.OkHttpFactory())
.build();
tileSource.setHttpRequestHeaders(Collections.singletonMap("User-Agent", "vtm-playground"));
mMap.layers().add(new BitmapTileLayer(mMap, tileSource));
mMap.setMapPosition(53.08, 8.83, 1 << 15);
Bitmap bitmapPoi = CanvasAdapter.decodeBitmap(getClass().getResourceAsStream("/res/marker_poi.png"));
final MarkerSymbol symbol;
if (BILLBOARDS)
symbol = new MarkerSymbol(bitmapPoi, MarkerSymbol.HotspotPlace.BOTTOM_CENTER);
else
symbol = new MarkerSymbol(bitmapPoi, MarkerSymbol.HotspotPlace.CENTER, false);
MarkerRendererFactory markerRendererFactory = new MarkerRendererFactory() {
@Override
public MarkerRenderer create(MarkerLayer markerLayer) {
return new ClusterMarkerRenderer(markerLayer, symbol, new ClusterMarkerRenderer.ClusterStyle(Color.WHITE, Color.BLUE)) {
@Override
protected Bitmap getClusterBitmap(int size) {
// Can customize cluster bitmap here
return super.getClusterBitmap(size);
}
};
}
};
mMarkerLayer = new ItemizedLayer(
mMap,
new ArrayList<MarkerInterface>(),
markerRendererFactory,
this);
mMap.layers().add(mMarkerLayer);
// Create some markers spaced STEP degrees
List<MarkerInterface> pts = new ArrayList<>();
GeoPoint center = mMap.getMapPosition().getGeoPoint();
for (int x = -COUNT; x < COUNT; x++) {
for (int y = -COUNT; y < COUNT; y++) {
double random = STEP * Math.random() * 2;
MarkerItem item = new MarkerItem(y + ", " + x, "",
new GeoPoint(center.getLatitude() + y * STEP + random, center.getLongitude() + x * STEP + random)
);
pts.add(item);
}
}
mMarkerLayer.addItems(pts);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
GdxMapApp.init();
GdxMapApp.run(new ClusterMarkerLayerTest());
}
}