xiaoyan159/vtm
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Marker clustering (#296) (#310) #312

Browse Source
This commit is contained in:
rodo
2017-02-19 15:09:09 +01:00
committed by Emux
parent 84c45e153a
commit 4b30ca3242
10 changed files with 1055 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
vtm-android-example/src/org/oscim/android/test/ClusterMarkerOverlayActivity.java Normal file
View File

@@ -0,0 +1,84 @@
/*
* Copyright 2016-2017 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.android.test;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import org.oscim.android.canvas.AndroidBitmap;
import org.oscim.core.GeoPoint;
import org.oscim.core.MapPosition;
import org.oscim.layers.marker.ClusterMarkerRenderer;
import org.oscim.layers.marker.ItemizedLayer;
import org.oscim.layers.marker.MarkerItem;
import org.oscim.layers.marker.MarkerSymbol;
import org.oscim.theme.VtmThemes;
import java.util.ArrayList;
public class ClusterMarkerOverlayActivity extends BaseMapActivity {
private static final int COUNT = 5;
private static final float STEP = 100f / 110000f; // roughly 100 meters
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mMap.setTheme(VtmThemes.DEFAULT);
MapPosition pos = new MapPosition();
mMap.getMapPosition(pos);
pos.setZoomLevel(2);
mMap.setMapPosition(pos);
ItemizedLayer<MarkerItem> layer = new ItemizedLayer<>(
mMap,
ClusterMarkerRenderer.factory(null, new ClusterMarkerRenderer.ClusterStyle(0xffffffff, 0xff123456))
);
// add it top the map
mMap.layers().add(layer);
// create a symbol, for simplicity we will use this symbol for all created markers
MarkerSymbol symbol = new MarkerSymbol(
new AndroidBitmap(((BitmapDrawable) (getResources().getDrawable(R.drawable.marker_poi))).getBitmap()),
MarkerSymbol.HotspotPlace.CENTER
);
// create some markers spaced STEP degrees
GeoPoint center = pos.getGeoPoint();
ArrayList<MarkerItem> list = new ArrayList<>();
for (int x = -COUNT; x < COUNT; x++) {
for (int y = -COUNT; y < COUNT; y++) {
double random = STEP * Math.random() * 2;
MarkerItem item = new MarkerItem(
"Demo Marker " + ((x * COUNT) + y),
"Your typical marker in your typical map",
new GeoPoint(center.getLatitude() + y * STEP + random, center.getLongitude() + x * STEP + random)
);
item.setMarker(symbol);
list.add(item);
}
}
// add'em all at once
layer.addItems(list);
}
}

2
vtm-android-example/src/org/oscim/android/test/Samples.java
View File

@@ -3,6 +3,7 @@
* Copyright 2013 Hannes Janetzek
* Copyright 2016-2017 devemux86
* Copyright 2017 Longri
* Copyright 2017 nebular
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
@@ -54,6 +55,7 @@ public class Samples extends Activity {
linearLayout.addView(createButton(RotateMarkerOverlayActivity.class));
linearLayout.addView(createButton(AtlasMarkerOverlayActivity.class));
linearLayout.addView(createButton(AtlasMultiTextureActivity.class));
linearLayout.addView(createButton(ClusterMarkerOverlayActivity.class));
linearLayout.addView(createButton(PathOverlayActivity.class));
linearLayout.addView(createButton(LineTexActivity.class));
linearLayout.addView(createButton(VectorLayerMapActivity.class));