vtm/vtm-android-example/src/org/oscim/android/test/VectorLayerActivity.java
2018-02-08 12:50:07 +02:00

100 lines
3.5 KiB
Java

/*
* Copyright 2013 Hannes Janetzek
* Copyright 2016-2018 devemux86
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
* 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.os.Bundle;
import org.oscim.backend.canvas.Color;
import org.oscim.layers.vector.VectorLayer;
import org.oscim.layers.vector.geometries.PointDrawable;
import org.oscim.layers.vector.geometries.Style;
import org.oscim.utils.ColorUtil;
public class VectorLayerActivity extends BitmapTileActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
VectorLayer vectorLayer = new VectorLayer(mMap);
// Geometry g = new GeomBuilder()
// .point(8.8, 53.1)
// .point()
// .buffer(1)
// .get();
//
// vectorLayer.add(new PolygonDrawable(g, defaultStyle()));
//
// vectorLayer.add(new PointDrawable(53.1, 8.8, Style.builder()
// .setBuffer(0.5)
// .setFillColor(Color.RED)
// .setFillAlpha(0.2)
// .build()));
//
// Style.Builder sb = Style.builder()
// .setBuffer(0.5)
// .setFillColor(Color.RED)
// .setFillAlpha(0.2);
//
// Style style = sb.setFillAlpha(0.2).build();
//
// int tileSize = 5;
// for (int x = -180; x < 180; x += tileSize) {
// for (int y = -90; y < 90; y += tileSize) {
// // Style style = sb.setFillAlpha(FastMath.clamp(FastMath.length(x, y) / 180, 0.2, 1))
// // .build();
//
// vectorLayer.add(new RectangleDrawable(FastMath.clamp(y, -85, 85), x,
// FastMath.clamp(y + tileSize - 0.1, -85, 85),
// x + tileSize - 0.1, style));
//
// }
// }
Style.Builder sb = Style.builder()
.buffer(0.5)
.fillColor(Color.RED)
.fillAlpha(0.2f);
for (int i = 0; i < 2000; i++) {
Style style = sb.buffer(Math.random() + 0.2)
.fillColor(ColorUtil.setHue(Color.RED,
(int) (Math.random() * 50) / 50.0))
.fillAlpha(0.5f)
.build();
vectorLayer.add(new PointDrawable(Math.random() * 180 - 90,
Math.random() * 360 - 180,
style));
}
vectorLayer.update();
mMap.layers().add(vectorLayer);
}
@Override
protected void onResume() {
super.onResume();
/* ignore saved position */
mMap.setMapPosition(0, 0, 1 << 2);
}
}