Place objects on buildings
Query the altitude of a building in order to position a marker.


package com.eegeo.apisamples;
import android.os.Bundle;
import androidx.annotation.UiThread;
import com.eegeo.mapapi.EegeoApi;
import com.eegeo.mapapi.EegeoMap;
import com.eegeo.mapapi.MapView;
import com.eegeo.mapapi.geometry.ElevationMode;
import com.eegeo.mapapi.geometry.LatLng;
import com.eegeo.mapapi.map.OnInitialStreamingCompleteListener;
import com.eegeo.mapapi.map.OnMapReadyCallback;
import com.eegeo.mapapi.markers.MarkerOptions;
import com.eegeo.mapapi.picking.PickResult;
import com.eegeo.mapapi.util.Ready;
public class PlaceObjectsOnBuildingsActivity extends WrldExampleActivity implements OnInitialStreamingCompleteListener {
private MapView m_mapView;
private EegeoMap m_eegeoMap = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
EegeoApi.init(this, getString(R.string.eegeo_api_key));
setContentView(R.layout.place_objects_on_buildings_activity);
m_mapView = (MapView) findViewById(R.id.place_objects_on_buildings_mapview);
m_mapView.onCreate(savedInstanceState);
m_mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(final EegeoMap map) {
m_eegeoMap = map;
m_eegeoMap.addInitialStreamingCompleteListener(PlaceObjectsOnBuildingsActivity.this);
}
});
}
@Override
public void onInitialStreamingComplete() {
addMarkerAboveBuilding(new LatLng(37.795159, -122.404336), "Point A");
addMarkerAboveBuilding(new LatLng(37.794817, -122.403543), "Point B");
}
private void addMarkerAboveBuilding(final LatLng latLng, final String title) {
m_eegeoMap.pickFeatureAtLatLng(latLng)
.then(new Ready<PickResult>() {
@UiThread
@Override
public void ready(PickResult pickResult) {
m_eegeoMap.addMarker(new MarkerOptions()
.position(latLng)
.elevation(pickResult.intersectionPoint.altitude)
.elevationMode(ElevationMode.HeightAboveSeaLevel)
.labelText(title));
}
});
}
@Override
protected void onResume() {
super.onResume();
m_mapView.onResume();
}
@Override
protected void onPause() {
super.onPause();
m_mapView.onPause();
}
@Override
protected void onDestroy() {
super.onDestroy();
m_mapView.onDestroy();
}
}