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/*
* Copyright 2018 Esri.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.esri.samples.change_sublayer_renderer;
import java.util.Arrays;
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.layers.ArcGISMapImageLayer;
import com.esri.arcgisruntime.layers.ArcGISMapImageSublayer;
import com.esri.arcgisruntime.layers.SublayerList;
import com.esri.arcgisruntime.loadable.LoadStatus;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.BasemapStyle;
import com.esri.arcgisruntime.mapping.Viewpoint;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.symbology.ClassBreaksRenderer;
import com.esri.arcgisruntime.symbology.ClassBreaksRenderer.ClassBreak;
import com.esri.arcgisruntime.symbology.SimpleFillSymbol;
import com.esri.arcgisruntime.symbology.SimpleLineSymbol;
public class ChangeSublayerRendererSample extends Application {
private ArcGISMapImageLayer imageLayer; // keep loadable in scope to avoid garbage collection
private ArcGISMapImageSublayer countiesSublayer;
private MapView mapView;
@Override
public void start(Stage stage) {
try {
// create a border pane and application scene
StackPane stackPane = new StackPane();
Scene scene = new Scene(stackPane);
scene.getStylesheets().add(getClass().getResource("/change_sublayer_renderer/style.css").toExternalForm());
// size the stage and add a title
stage.setTitle("Change Sublayer Renderer Sample");
stage.setWidth(800);
stage.setHeight(700);
stage.setScene(scene);
stage.show();
// authentication with an API key or named user is required to access basemaps and other location services
String yourAPIKey = System.getProperty("apiKey");
ArcGISRuntimeEnvironment.setApiKey(yourAPIKey);
// create a map with the streets basemap style
ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_STREETS);
// create a map view and set the map to it
mapView = new MapView();
mapView.setMap(map);
// set a viewpoint on the map view
mapView.setViewpoint(new Viewpoint(48.354406, -99.998267, 147914382));
// create a button to apply the render (set up later)
Button rendererButton = new Button("Change sublayer renderer");
// disable until the sublayer is loaded
rendererButton.setDisable(true);
// create a map image layer from a service URL
imageLayer = new ArcGISMapImageLayer("https://sampleserver6.arcgisonline.com/arcgis/rest/services/Census/MapServer");
// load the layer and find one of its sublayers
imageLayer.addDoneLoadingListener(() -> {
if (imageLayer.getLoadStatus() == LoadStatus.LOADED) {
// zoom to the image layers extent
mapView.setViewpointGeometryAsync(imageLayer.getFullExtent());
// get the sublayers from the map image layer
SublayerList sublayers = imageLayer.getSublayers();
countiesSublayer = (ArcGISMapImageSublayer) sublayers.get(2);
// enable the change renderer button
rendererButton.setDisable(false);
} else {
new Alert(Alert.AlertType.ERROR, imageLayer.getLoadError().getMessage());
}
});
// add the map image layer to the map's operational layers
map.getOperationalLayers().add(imageLayer);
// create a class breaks renderer to switch to
ClassBreaksRenderer classBreaksRenderer = createPopulationClassBreaksRenderer();
// set the renderer on the counties sublayer when the button is pressed
rendererButton.setOnAction(e -> {
countiesSublayer.setRenderer(classBreaksRenderer);
// disable the button
rendererButton.setDisable(true);
});
// add the map view and button to the stack pane
stackPane.getChildren().addAll(mapView, rendererButton);
StackPane.setAlignment(rendererButton, Pos.TOP_LEFT);
StackPane.setMargin(rendererButton, new Insets(10, 0, 0, 10));
} catch (Exception e) {
// on any error, display the stack trace.
e.printStackTrace();
}
}
/**
* Creates a class breaks renderer for 5 ranges of populations.
*
* @return class breaks renderer
*/
private ClassBreaksRenderer createPopulationClassBreaksRenderer() {
// create colors
var blue1 = Color.color(0.89, 0.92, 0.81);
var blue2 = Color.color(0.59, 0.76, 0.75);
var blue3 = Color.color(0.38, 0.65, 0.71);
var blue4 = Color.color(0.27, 0.49, 0.59);
var blue5 = Color.color(0.16, 0.33, 0.47);
// create 5 fill symbols with different shades of blue and a gray outline
SimpleLineSymbol outline = new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.GRAY, 1);
SimpleFillSymbol classSymbol1 = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, blue1, outline);
SimpleFillSymbol classSymbol2 = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, blue2, outline);
SimpleFillSymbol classSymbol3 = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, blue3, outline);
SimpleFillSymbol classSymbol4 = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, blue4, outline);
SimpleFillSymbol classSymbol5 = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, blue5, outline);
// create 5 classes for different population ranges
ClassBreak classBreak1 = new ClassBreak( "-99 to 8560", "-99 to 8560", -99, 8560, classSymbol1);
ClassBreak classBreak2 = new ClassBreak("> 8,560 to 18,109", "> 8,560 to 18,109", 8560, 18109, classSymbol2);
ClassBreak classBreak3 = new ClassBreak("> 18,109 to 35,501", "> 18,109 to 35,501", 18109, 35501,
classSymbol3);
ClassBreak classBreak4 = new ClassBreak( "> 35,501 to 86,100", "> 35,501 to 86,100", 35501, 86100,
classSymbol4);
ClassBreak classBreak5 = new ClassBreak( "> 86,100 to 10,110,975", "> 86,100 to 10,110,975", 86100, 10110975,
classSymbol5);
// create the renderer for the POP2007 field
return new ClassBreaksRenderer("POP2007", Arrays.asList(classBreak1, classBreak2, classBreak3, classBreak4,
classBreak5));
}
@Override
public void stop() {
// releases resources when the application closes
if (mapView != null) {
mapView.dispose();
}
}
/**
* Starting point of this application.
*
* @param args arguments to this application.
*/
public static void main(String[] args) {
Application.launch(args);
}
}