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animate PathLayer example

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This commit is contained in:
Hannes Janetzek 2014-02-09 17:05:09 +01:00
parent 3ef832efb8
commit 4dfbf1f088
2 changed files with 58 additions and 18 deletions
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5
vtm-android-example/src/org/oscim/android/test/BitmapTileMapActivity.java
View File

@ -30,6 +30,7 @@ public class BitmapTileMapActivity extends MapActivity {
private final static boolean USE_CACHE = true; private final static boolean USE_CACHE = true;
private final TileSource mTileSource; private final TileSource mTileSource;
protected BitmapTileLayer mBitmapLayer;
public BitmapTileMapActivity() { public BitmapTileMapActivity() {
mTileSource = new DefaultSources.OpenStreetMap(); mTileSource = new DefaultSources.OpenStreetMap();
@ -59,7 +60,9 @@ public class BitmapTileMapActivity extends MapActivity {
mCache.setCacheSize(512 * (1 << 10)); mCache.setCacheSize(512 * (1 << 10));
mTileSource.setCache(mCache); mTileSource.setCache(mCache);
} }
mMap.layers().add(new BitmapTileLayer(mMap, mTileSource));
mBitmapLayer = new BitmapTileLayer(mMap, mTileSource);
mMap.layers().add(mBitmapLayer);
mMap.setMapPosition(0, 0, 1 << 2); mMap.setMapPosition(0, 0, 1 << 2);
} }

69
vtm-android-example/src/org/oscim/android/test/PathOverlayActivity.java
View File

@ -25,6 +25,7 @@ import org.oscim.layers.PathLayer;
import org.oscim.tiling.source.bitmap.DefaultSources; import org.oscim.tiling.source.bitmap.DefaultSources;
import android.os.Bundle; import android.os.Bundle;
import android.os.SystemClock;
public class PathOverlayActivity extends BitmapTileMapActivity { public class PathOverlayActivity extends BitmapTileMapActivity {
@ -35,35 +36,71 @@ public class PathOverlayActivity extends BitmapTileMapActivity {
@Override @Override
public void onCreate(Bundle savedInstanceState) { public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
mBitmapLayer.getTileRenderer().setBitmapAlpha(0.5f);
for (double lon = -180; lon < 180; lon += 5) { createLayers(1, true);
List<GeoPoint> pts = new ArrayList<GeoPoint>();
for (double lat = -90; lat <= 90; lat += 5) mMap.setMapPosition(0, 0, 1 << 2);
//pts.add(new GeoPoint(lat, lon));
pts.add(new GeoPoint(lat, Math.sin((lat + 180) / 360 * Math.PI) * lon));
int c = Color.fade(Color.rainbow((float) (lon + 180) / 360), 0.8f); looooop();
PathLayer pathLayer = new PathLayer(mMap, c, 3);
pathLayer.setPoints(pts);
mMap.layers().add(pathLayer);
} }
void looooop() {
mMap.postDelayed(new Runnable() {
@Override
public void run() {
long t = SystemClock.uptimeMillis();
float pos = t % 20000 / 10000f - 1f;
createLayers(pos, false);
//Samples.log.debug("update took" + (SystemClock.uptimeMillis() - t) + " " + pos);
looooop();
redraw();
}
}, 50);
}
void redraw(){
mMap.render();
}
ArrayList<PathLayer> mPathLayers = new ArrayList<PathLayer>();
void createLayers(float pos, boolean init) {
int i = 0;
for (double lat = -90; lat <= 90; lat += 5) { for (double lat = -90; lat <= 90; lat += 5) {
List<GeoPoint> pts = new ArrayList<GeoPoint>(); List<GeoPoint> pts = new ArrayList<GeoPoint>();
for (double lon = -180; lon <= 180; lon += 1) for (double lon = -180; lon <= 180; lon += 2){
//pts.add(new GeoPoint(lat, lon)); //pts.add(new GeoPoint(lat, lon));
pts.add(new GeoPoint(Math.sin(lon / 6 * Math.PI) * 3 + lat, lon)); double longitude = lon + (pos * 180);
if (longitude < -180)
longitude += 360;
if (longitude > 180)
longitude -= 360;
int c = Color.fade(Color.rainbow((float) (lat + 90) / 180), 0.8f); double latitude = lat + (pos * 90);
PathLayer pathLayer = new PathLayer(mMap, c, 3); if (latitude< -90)
pathLayer.setPoints(pts); latitude += 180;
if (latitude > 90)
latitude -= 180;
latitude += Math.sin((Math.abs(pos) * (lon / Math.PI)));
pts.add(new GeoPoint(latitude, longitude));
}
PathLayer pathLayer;
if (init) {
int c = Color.fade(Color.rainbow((float) (lat + 90) / 180), 0.5f);
pathLayer = new PathLayer(mMap, c, 6);
mMap.layers().add(pathLayer); mMap.layers().add(pathLayer);
mPathLayers.add(pathLayer);
} else {
pathLayer = mPathLayers.get(i++);
}
pathLayer.setPoints(pts);
} }
mMap.setMapPosition(0, 0, 1);
} }
} }