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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.clip_geometry;
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
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.geometry.Envelope;
import com.esri.arcgisruntime.geometry.Geometry;
import com.esri.arcgisruntime.geometry.GeometryEngine;
import com.esri.arcgisruntime.geometry.Point;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.BasemapStyle;
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.SimpleFillSymbol;
import com.esri.arcgisruntime.symbology.SimpleLineSymbol;
public class ClipGeometrySample extends Application {
private MapView mapView;
@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("Clip Geometry 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 topographic 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 graphics overlay to contain the geometry to clip
GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
mapView.getGraphicsOverlays().add(graphicsOverlay);
// create a blue graphic of Colorado
Envelope colorado = new Envelope(new Point(-11362327.128340, 5012861.290274),
new Point(-12138232.018408, 4441198.773776));
SimpleFillSymbol fillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, Color.web("blue", 0.2),
new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.BLUE, 2));
Graphic coloradoGraphic = new Graphic(colorado, fillSymbol);
graphicsOverlay.getGraphics().add(coloradoGraphic);
// create a graphics overlay to contain the clipping envelopes
GraphicsOverlay envelopesOverlay = new GraphicsOverlay();
mapView.getGraphicsOverlays().add(envelopesOverlay);
// create a dotted red outline symbol
SimpleLineSymbol redOutline = new SimpleLineSymbol(SimpleLineSymbol.Style.DOT, Color.RED, 3);
// create a envelope outside Colorado
Envelope outsideEnvelope =
new Envelope(new Point(-11858344.321294, 5147942.225174), new Point(-12201990.219681, 5297071.577304));
Graphic outside = new Graphic(outsideEnvelope, redOutline);
envelopesOverlay.getGraphics().add(outside);
// create a envelope intersecting Colorado
Envelope intersectingEnvelope =
new Envelope(new Point(-11962086.479298, 4566553.881363), new Point(-12260345.183558, 4332053.378376));
Graphic intersecting = new Graphic(intersectingEnvelope, redOutline);
envelopesOverlay.getGraphics().add(intersecting);
// create a envelope inside Colorado
Envelope containedEnvelope =
new Envelope(new Point(-11655182.595204, 4741618.772994), new Point(-11431488.567009, 4593570.068343));
Graphic contained = new Graphic(containedEnvelope, redOutline);
envelopesOverlay.getGraphics().add(contained);
// zoom to show the polygon graphic
mapView.setViewpointGeometryAsync(coloradoGraphic.getGeometry(), 200);
// create a graphics overlay to contain the clipped areas
GraphicsOverlay clipAreasOverlay = new GraphicsOverlay();
mapView.getGraphicsOverlays().add(clipAreasOverlay);
// create a button to perform the clip and reset operation
var button = new Button("Clip");
button.setOnAction(e -> {
if (clipAreasOverlay.getGraphics().isEmpty()){
// for each envelope, clip the Colorado geometry and show the result, replacing the original Colorado graphic
coloradoGraphic.setVisible(false);
envelopesOverlay.getGraphics().forEach(graphic -> {
Geometry geometry = GeometryEngine.clip(coloradoGraphic.getGeometry(), (Envelope) graphic.getGeometry());
if (geometry != null) {
Graphic clippedGraphic = new Graphic(geometry, fillSymbol);
clipAreasOverlay.getGraphics().add(clippedGraphic);}
});
// update the button text
button.setText("Reset");
} else {
// remove clipped graphics and re-enable the original Colorado graphic
clipAreasOverlay.getGraphics().clear();
coloradoGraphic.setVisible(true);
// update the button text
button.setText("Clip");
}});
// add the map view to the stack pane
stackPane.getChildren().addAll(mapView, button);
StackPane.setAlignment(button, Pos.TOP_LEFT);
StackPane.setMargin(button, new Insets(10, 0, 0, 10));
} catch (Exception e) {
// on any error, display the stack trace.
e.printStackTrace();
}
}
/**
* 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);
}
}
