Examples

Extrude polygons for 3D indoor mapping

activity_indoor_3d_map
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
xmlns:mapbox="http://schemas.android.com/apk/res-auto"
android:layout_height="match_parent">
<com.mapbox.mapboxsdk.maps.MapView
android:id="@+id/mapView"
android:layout_width="match_parent"
android:layout_height="match_parent"
mapbox:mapbox_cameraTargetLat="41.86625"
mapbox:mapbox_cameraTargetLng="-87.61694"
mapbox:mapbox_cameraZoom="15.99"
mapbox:mapbox_cameraBearing="20"
mapbox:mapbox_cameraTilt="40"
/>
</LinearLayout>
Indoor3DMapActivity
package com.mapbox.mapboxandroiddemo.examples.extrusions;
import android.os.Bundle;
import com.mapbox.mapboxandroiddemo.R;
import com.mapbox.mapboxsdk.Mapbox;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.maps.Style;
import com.mapbox.mapboxsdk.style.layers.FillExtrusionLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import java.net.URI;
import java.net.URISyntaxException;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import timber.log.Timber;
import static com.mapbox.mapboxsdk.style.expressions.Expression.get;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillExtrusionBase;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillExtrusionColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillExtrusionHeight;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillExtrusionOpacity;
/**
* Create a 3D indoor map with the fill-extrude-height paint property
*/
public class Indoor3DMapActivity extends AppCompatActivity {
private MapView mapView;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Mapbox access token is configured here. This needs to be called either in your application
// object or in the same activity which contains the mapview.
Mapbox.getInstance(this, getString(R.string.access_token));
// This contains the MapView in XML and needs to be called after the access token is configured.
setContentView(R.layout.activity_indoor_3d_map);
mapView = findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(@NonNull final MapboxMap mapboxMap) {
mapboxMap.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
try {
style.addSource(new GeoJsonSource("room-data", new URI("asset://indoor-3d-map.geojson")));
style.addLayer(new FillExtrusionLayer(
"room-extrusion", "room-data").withProperties(
fillExtrusionColor(get("color")),
fillExtrusionHeight(get("height")),
fillExtrusionBase(get("base_height")),
fillExtrusionOpacity(0.5f)
));
} catch (URISyntaxException exception) {
Timber.d(exception);
}
}
});
}
});
}
@Override
protected void onResume() {
super.onResume();
mapView.onResume();
}
@Override
protected void onStart() {
super.onStart();
mapView.onStart();
}
@Override
protected void onStop() {
super.onStop();
mapView.onStop();
}
@Override
protected void onPause() {
super.onPause();
mapView.onPause();
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
}
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