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/*
* Copyright 2022 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.apply_unique_values_with_alternate_symbols;
import java.util.List;
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.control.Label;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.paint.Paint;
import javafx.stage.Stage;
import com.esri.arcgisruntime.loadable.LoadStatus;
import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.mapping.view.AnimationCurve;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.BasemapStyle;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.mapping.Viewpoint;
import com.esri.arcgisruntime.data.ServiceFeatureTable;
import com.esri.arcgisruntime.geometry.Point;
import com.esri.arcgisruntime.geometry.SpatialReferences;
import com.esri.arcgisruntime.layers.FeatureLayer;
import com.esri.arcgisruntime.symbology.MultilayerPointSymbol;
import com.esri.arcgisruntime.symbology.SimpleMarkerSymbol;
import com.esri.arcgisruntime.symbology.SymbolReferenceProperties;
import com.esri.arcgisruntime.symbology.UniqueValueRenderer;
public class ApplyUniqueValuesWithAlternateSymbolsSample extends Application {
private MapView mapView;
private ServiceFeatureTable serviceFeatureTable; // keep loadable in scope to avoid garbage collection
private final static String FEATURE_SERVICE_URL = "https://sampleserver6.arcgisonline.com/arcgis/rest/services/SF311/FeatureServer/0";
private Button button;
private Label label;
private VBox vBox;
@Override
public void start(Stage stage) {
try {
// create stack pane and application scene
StackPane stackPane = new StackPane();
Scene scene = new Scene(stackPane);
// set title, size, and add scene to stage
stage.setTitle("Apply Unique Values With Alternate Symbols");
stage.setWidth(800);
stage.setHeight(700);
stage.setScene(scene);
stage.show();
// authentication with an API key or named user is required to access base maps and other location services
String yourAPIKey = System.getProperty("apiKey");
ArcGISRuntimeEnvironment.setApiKey(yourAPIKey);
// create a controls vbox, button, and label UI components
setUpControlsVBox();
// create a map with the topographic imagery basemap style
ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_TOPOGRAPHIC);
// create a map view and set the map to it
mapView = new MapView();
mapView.setMap(map);
// create a point located at San Francisco, CA to be used as the viewpoint for the map
var point = new Point(-13631205.660131, 4546829.846004, SpatialReferences.getWebMercator());
var viewpoint = new Viewpoint(point, 25000);
// set the viewpoint to the map view
mapView.setViewpointCenterAsync(point, 25000.0);
button.setOnAction(event -> {
// reset the map viewpoint
mapView.setViewpointAsync(viewpoint, 1.5f, AnimationCurve.EASE_IN_OUT_SINE);
});
mapView.addViewpointChangedListener(event-> {
// update label text and formatting scale values
label.setText("Current scale: 1:" + Math.round(mapView.getMapScale()));
});
// create simple marker symbols where the blue square and yellow diamond are alternate symbols
// the red triangle is used to create a unique symbol and the purple diamond is the default symbol for the unique value renderer
SimpleMarkerSymbol simpleBlueSquareSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.SQUARE, Color.BLUE, 15);
SimpleMarkerSymbol simpleYellowDiamondSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.DIAMOND, Color.YELLOW, 15);
SimpleMarkerSymbol simpleRedTriangleSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.TRIANGLE, Color.RED, 15);
SimpleMarkerSymbol simplePurpleDiamondSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.DIAMOND, Color.PURPLE, 12);
// convert simple marker symbols to multilayer point symbols
MultilayerPointSymbol multilayerBlueSquareSymbol = simpleBlueSquareSymbol.toMultilayerSymbol();
MultilayerPointSymbol multilayerYellowDiamondSymbol = simpleYellowDiamondSymbol.toMultilayerSymbol();
MultilayerPointSymbol multilayerRedTriangleSymbol = simpleRedTriangleSymbol.toMultilayerSymbol();
MultilayerPointSymbol multilayerPurpleDiamondSymbol = simplePurpleDiamondSymbol.toMultilayerSymbol();
// set scale range values through reference properties for the multilayer symbols
multilayerBlueSquareSymbol.setReferenceProperties(new SymbolReferenceProperties(10000.0, 5000.0));
multilayerYellowDiamondSymbol.setReferenceProperties(new SymbolReferenceProperties(20000.0, 10000.0));
multilayerRedTriangleSymbol.setReferenceProperties(new SymbolReferenceProperties(5000.0, 0.0));
// create unique value for the red triangle and list of alternate symbols
var uniqueValue = new UniqueValueRenderer.UniqueValue("unique values based on request type", "unique value",
multilayerRedTriangleSymbol, List.of("Damaged Property"), List.of(multilayerBlueSquareSymbol, multilayerYellowDiamondSymbol));
// create unique value renderer
var uniqueValRenderer = new UniqueValueRenderer(List.of("req_type"), List.of(uniqueValue), "", multilayerPurpleDiamondSymbol);
// create a service feature table using the feature service url
serviceFeatureTable = new ServiceFeatureTable(FEATURE_SERVICE_URL);
// check the service feature table has loaded before adding the feature layer to the map
serviceFeatureTable.addDoneLoadingListener( () -> {
if (serviceFeatureTable.getLoadStatus() == LoadStatus.LOADED) {
// create a feature layer from the service feature table
var featureLayer = new FeatureLayer(serviceFeatureTable);
// set the unique value renderer on the feature layer
featureLayer.setRenderer(uniqueValRenderer);
map.getOperationalLayers().add(featureLayer);
vBox.setDisable(false);
} else {
new Alert(Alert.AlertType.ERROR,
"Error loading Feature Table from Service: " + serviceFeatureTable.getLoadError().getMessage()).show();
}
});
// load the service feature table
serviceFeatureTable.loadAsync();
// add the map view and UI elements to the stack pane
stackPane.getChildren().addAll(mapView, vBox);
StackPane.setAlignment(vBox, Pos.TOP_LEFT);
StackPane.setMargin(vBox, new Insets(10, 0, 0, 10));
} catch (Exception e) {
// on any error, display the stack trace.
e.printStackTrace();
}
}
/**
* Creates a UI with three buttons and a label.
*/
private void setUpControlsVBox() {
// create label to show scale values and button to reset viewpoint
label = new Label("Current scale: 1:25000");
label.setStyle("-fx-text-fill: white");
button = new Button("Reset Viewpoint");
// create and configure a VBox
vBox = new VBox(10);
vBox.setBackground(new Background(new BackgroundFill(Paint.valueOf("rgba(0,0,0,0.6)"),
CornerRadii.EMPTY, Insets.EMPTY)));
vBox.setPadding(new Insets(10.0));
vBox.setMaxSize(180, 75);
vBox.setDisable(true);
// add the label and button to the VBos
vBox.getChildren().addAll(label, button);
}
/**
* Stops and releases all resources used in application.
*/
@Override
public void stop() {
if (mapView != null) {
mapView.dispose();
}
}
/**
* Opens and runs application.
*
* @param args arguments passed to this application
*/
public static void main(String[] args) {
Application.launch(args);
}
}