Add graphics with symbols

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
/*
 * Copyright 2017 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.add_graphics_with_symbols;

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.geometry.Point;
import com.esri.arcgisruntime.geometry.PointCollection;
import com.esri.arcgisruntime.geometry.Polygon;
import com.esri.arcgisruntime.geometry.Polyline;
import com.esri.arcgisruntime.geometry.SpatialReference;
import com.esri.arcgisruntime.geometry.SpatialReferences;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.BasemapStyle;
import com.esri.arcgisruntime.mapping.Viewpoint;
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;
import com.esri.arcgisruntime.symbology.SimpleMarkerSymbol;
import com.esri.arcgisruntime.symbology.TextSymbol;
import com.esri.arcgisruntime.symbology.TextSymbol.HorizontalAlignment;
import com.esri.arcgisruntime.symbology.TextSymbol.VerticalAlignment;

public class AddGraphicsWithSymbolsSample extends Application {

  private MapView mapView;
  private GraphicsOverlay graphicsOverlay;

  private static final SpatialReference SPATIAL_REFERENCE = SpatialReferences.getWgs84();

  @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("Add Graphics with Symbols 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 oceans basemap style
      final ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_OCEANS);

      // 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(56.075844, -2.681572, 72223));

      // create the graphics overlay
      graphicsOverlay = new GraphicsOverlay();

      // add the graphic overlay to the map view
      mapView.getGraphicsOverlays().add(graphicsOverlay);

      // add some red circled points to the graphics overlay
      createPoints();

      // add the purple polyline to the graphics overlay
      createPolyline();

      // add the green polygon mesh to the graphics overlay
      createPolygon();

      // add the blue text symbols to the graphics overlay
      createText();

      // add the map view to stack pane
      stackPane.getChildren().add(mapView);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

  /**
   * Creates four Points using a SimpleMarkerSymbol and adds them to a
   * GraphicsOverlay.
   */
  private void createPoints() {

    // create a red circle simple marker symbol
    SimpleMarkerSymbol redCircleSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.CIRCLE, Color.RED, 10);

    // create graphics and add to graphics overlay
    Graphic graphic;
    graphic = new Graphic(new Point(-2.72, 56.065, SPATIAL_REFERENCE), redCircleSymbol);
    graphicsOverlay.getGraphics().add(graphic);

    graphic = new Graphic(new Point(-2.69, 56.065, SPATIAL_REFERENCE), redCircleSymbol);
    graphicsOverlay.getGraphics().add(graphic);

    graphic = new Graphic(new Point(-2.66, 56.065, SPATIAL_REFERENCE), redCircleSymbol);
    graphicsOverlay.getGraphics().add(graphic);

    graphic = new Graphic(new Point(-2.63, 56.065, SPATIAL_REFERENCE), redCircleSymbol);
    graphicsOverlay.getGraphics().add(graphic);
  }

  /**
   * Creates a Polyline and adds it to a GraphicsOverlay.
   */
  private void createPolyline() {

    // create a dark blue simple line symbol
    SimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.DASH, Color.DARKBLUE, 4);

    // create a new point collection for polyline
    PointCollection points = new PointCollection(SPATIAL_REFERENCE);

    // create and add points to the point collection
    points.add(new Point(-2.715, 56.061));
    points.add(new Point(-2.6438, 56.079));
    points.add(new Point(-2.638, 56.079));
    points.add(new Point(-2.636, 56.078));
    points.add(new Point(-2.636, 56.077));
    points.add(new Point(-2.637, 56.076));
    points.add(new Point(-2.715, 56.061));

    // create the polyline from the point collection
    Polyline polyline = new Polyline(points);

    // create the graphic with polyline and symbol
    Graphic graphic = new Graphic(polyline, lineSymbol);

    // add graphic to the graphics overlay
    graphicsOverlay.getGraphics().add(graphic);
  }

  /**
   * Creates a Polygon and adds it to a GraphicsOverlay.
   */
  private void createPolygon() {

    // create a green simple line symbol
    SimpleLineSymbol outlineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.DASH, Color.DARKGREEN, 1);
    // create a green mesh simple fill symbol
    SimpleFillSymbol fillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.DIAGONAL_CROSS, Color.DARKGREEN,
        outlineSymbol);

    // create a new point collection for polygon
    PointCollection points = new PointCollection(SPATIAL_REFERENCE);

    // create and add points to the point collection
    points.add(new Point(-2.6425, 56.0784));
    points.add(new Point(-2.6430, 56.0763));
    points.add(new Point(-2.6410, 56.0759));
    points.add(new Point(-2.6380, 56.0765));
    points.add(new Point(-2.6380, 56.0784));
    points.add(new Point(-2.6410, 56.0786));

    // create the polyline from the point collection
    Polygon polygon = new Polygon(points);

    // create the graphic with polyline and symbol
    Graphic graphic = new Graphic(polygon, fillSymbol);

    // add graphic to the graphics overlay
    graphicsOverlay.getGraphics().add(graphic);
  }

  /**
   * Creates two TextSymbols and adds them to a GraphicsOverlay.
   */
  private void createText() {

    // create two text symbols
    TextSymbol bassRockTextSymbol = new TextSymbol(10, "Bass Rock", Color.BLUE, HorizontalAlignment.LEFT,
        VerticalAlignment.BOTTOM);

    TextSymbol craigleithTextSymbol = new TextSymbol(10, "Craigleith", Color.BLUE, HorizontalAlignment.RIGHT,
        VerticalAlignment.TOP);

    // create two points
    Point bassPoint = new Point(-2.64, 56.079, SPATIAL_REFERENCE);
    Point craigleithPoint = new Point(-2.72, 56.076, SPATIAL_REFERENCE);

    // create two graphics from the points and symbols
    Graphic bassRockGraphic = new Graphic(bassPoint, bassRockTextSymbol);
    Graphic craigleithGraphic = new Graphic(craigleithPoint, craigleithTextSymbol);

    // add graphics to the graphics overlay
    graphicsOverlay.getGraphics().add(bassRockGraphic);
    graphicsOverlay.getGraphics().add(craigleithGraphic);
  }

  /**
   * 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);
  }

}