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[android] - add heatmap color property

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This commit is contained in:
Tobrun
2018-02-16 10:47:06 +01:00
committed by Tobrun
parent 2187d140df
commit 2e008aa29e
8 changed files with 95 additions and 6 deletions
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16
platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/HeatmapLayerActivity.java
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@@ -16,6 +16,7 @@ import java.net.URL;
import timber.log.Timber;
import static com.mapbox.mapboxsdk.style.expressions.Expression.get;
import static com.mapbox.mapboxsdk.style.expressions.Expression.heatmapDensity;
import static com.mapbox.mapboxsdk.style.expressions.Expression.interpolate;
import static com.mapbox.mapboxsdk.style.expressions.Expression.linear;
import static com.mapbox.mapboxsdk.style.expressions.Expression.literal;
@@ -28,6 +29,7 @@ import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleOpacity;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleRadius;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleStrokeColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleStrokeWidth;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.heatmapColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.heatmapIntensity;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.heatmapOpacity;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.heatmapRadius;
@@ -51,7 +53,6 @@ public class HeatmapLayerActivity extends AppCompatActivity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_heatmaplayer);
mapView = (MapView) findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(map -> {
@@ -76,11 +77,20 @@ public class HeatmapLayerActivity extends AppCompatActivity {
layer.setSourceLayer(HEATMAP_LAYER_SOURCE);
layer.setProperties(
// TODO add heatmap color https://github.com/mapbox/mapbox-gl-native/issues/11172
// Color ramp for heatmap. Domain is 0 (low) to 1 (high).
// Begin color ramp at 0-stop with a 0-transparancy color
// to create a blur-like effect.
//heatmapColor(),
heatmapColor(
interpolate(
linear(), heatmapDensity(),
literal(0), rgba(33, 102, 172, 0),
literal(0.2), rgb(103, 169, 207),
literal(0.4), rgb(209, 229, 240),
literal(0.6), rgb(253, 219, 199),
literal(0.8), rgb(239, 138, 98),
literal(1), rgb(178, 24, 43)
)
),
// Increase the heatmap weight based on frequency and property magnitude
heatmapWeight(