Java examples for Geographic Information System:Esri
create a SimpleRenderer and add it to a GraphicsOverlay in esri
/*/* w w w.j a v a 2 s . co m*/ * Copyright 2015 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.sampleviewer.samples.symbology; import javafx.application.Application; import javafx.application.Platform; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Label; import javafx.scene.control.TextArea; import javafx.scene.layout.StackPane; import javafx.scene.layout.VBox; import javafx.stage.Stage; import com.esri.arcgisruntime.geometry.Envelope; import com.esri.arcgisruntime.geometry.Point; import com.esri.arcgisruntime.geometry.SpatialReference; import com.esri.arcgisruntime.geometry.SpatialReferences; import com.esri.arcgisruntime.layers.FeatureLayer; import com.esri.arcgisruntime.mapping.Basemap; import com.esri.arcgisruntime.mapping.Map; import com.esri.arcgisruntime.mapping.view.Graphic; import com.esri.arcgisruntime.mapping.view.GraphicsOverlay; import com.esri.arcgisruntime.mapping.view.MapView; import com.esri.arcgisruntime.symbology.Color; import com.esri.arcgisruntime.symbology.RgbColor; import com.esri.arcgisruntime.symbology.SimpleMarkerSymbol; import com.esri.arcgisruntime.symbology.SimpleRenderer; /** * This sample demonstrates how to create a SimpleRenderer and add it to a * GraphicsOverlay. * <p> * This {@link SimpleRenderer}, when added to the {@link GraphicsOverlay}, will * use its {@link SimpleMarkerSymbol} to display any {@link Graphic}s that don't * already have a symbol set. A Renderer will not override a symbol that is * manually set to a Graphic. * <p> * SimpleRenderers can also be defined on a {@link FeatureLayer}. * <h4>How it Works</h4> * * First a GraphicsOverlay needs to be created and added using the * {@link MapView#getGraphicsOverlays} method. Now a SimpleRenderer can be * created using a SimpleMarkerSymbol and set to the GraphicsOverlay using the * {@link GraphicsOverlay#setRenderer} method. * <p> * There is no need to set a symbol on a Graphic, the symbol from the renderer * is used. */ public class SimpleRendererSample extends Application { private MapView mapView; private static final String SAMPLES_THEME_PATH = "../resources/SamplesTheme.css"; @Override public void start(Stage stage) throws Exception { // create stack pane and application scene StackPane stackPane = new StackPane(); Scene scene = new Scene(stackPane); scene.getStylesheets() .add(getClass().getResource(SAMPLES_THEME_PATH) .toExternalForm()); // size the stage, add a title, and set scene to stage stage.setTitle("Simple Renderer Sample"); stage.setWidth(800); stage.setHeight(700); stage.setScene(scene); stage.show(); // create a control panel VBox vBoxControl = new VBox(6); vBoxControl.setMaxSize(250, 190); vBoxControl.getStyleClass().add("panel-region"); // create sample label and description Label descriptionLabel = new Label("Sample Description"); descriptionLabel.getStyleClass().add("panel-label"); TextArea description = new TextArea( "This sample shows how to create a " + "Simple Renderer and add it to a Graphics Overlay. Graphics applied " + "to the Graphics Overlay will automatically render with the same " + "symbol."); description.setWrapText(true); description.autosize(); description.setEditable(false); // add sample label and description to the control panel vBoxControl.getChildren().addAll(descriptionLabel, description); try { // create a map with the imagery basemap final Map map = new Map(Basemap.createImageryWithLabels()); // create a view and set map to it mapView = new MapView(); mapView.setMap(map); // create SpatialReference for points final SpatialReference spatialReference = SpatialReferences .getWgs84(); // create points for displaying graphics Point oldFaithfullPoint = new Point(-110.828140, 44.460458, spatialReference); Point cascadeGeyserPoint = new Point(-110.829004, 44.462438, spatialReference); Point plumeGeyserPoint = new Point(-110.829381, 44.462735, spatialReference); // create initial viewpoint using an envelope Envelope envelope = new Envelope(oldFaithfullPoint, plumeGeyserPoint); // set viewpoint on mapview with padding mapView.setViewpointGeometryWithPaddingAsync(envelope, 300.0); // create a graphics overlay and add it to the mapview GraphicsOverlay graphicsOverlay = new GraphicsOverlay(); mapView.getGraphicsOverlays().add(graphicsOverlay); // create a simple symbol for use in a simple renderer Color color = new RgbColor(255, 0, 0, 255); // red, fully opaque SimpleMarkerSymbol symbol = new SimpleMarkerSymbol(color, 12, SimpleMarkerSymbol.Style.CROSS); SimpleRenderer renderer = new SimpleRenderer(symbol); // apply the renderer to the graphics overlay graphicsOverlay.setRenderer(renderer); // create graphics from the location points. Graphic oldFaithfullGraphic = new Graphic(oldFaithfullPoint); Graphic cascadeGeyserGraphic = new Graphic(cascadeGeyserPoint); Graphic plumeGeyserGraphic = new Graphic(plumeGeyserPoint); graphicsOverlay.getGraphics().add(oldFaithfullGraphic); graphicsOverlay.getGraphics().add(cascadeGeyserGraphic); graphicsOverlay.getGraphics().add(plumeGeyserGraphic); // add the map view and control box to stack pane stackPane.getChildren().addAll(mapView, vBoxControl); StackPane.setAlignment(vBoxControl, Pos.TOP_LEFT); StackPane.setMargin(vBoxControl, new Insets(10, 0, 0, 10)); } catch (Exception e) { // on any error, display stack trace e.printStackTrace(); } } /** * Stops and releases all resources used in application. * * @throws Exception if security manager doesn't allow JVM to exit with * current status */ @Override public void stop() throws Exception { // release resources when the application closes if (mapView != null) { mapView.dispose(); } Platform.exit(); System.exit(0); } /** * Opens and runs application. * * @param args arguments passed to this application */ public static void main(String[] args) { Application.launch(args); } }