arcgis runtime 100 Create geometries

1 /* Copyright 2016 EsriEsri
2  *
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *    http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  *
15  */
16 

17 package com.esri.arcgisruntime.sample.creategeometries;
18 

19 import android.graphics.Color;
20 import android.os.Bundle;
21 import android.support.v7.app.AppCompatActivity;
22 

23 import com.esri.arcgisruntime.geometry.Envelope;
24 import com.esri.arcgisruntime.geometry.Multipoint;
25 import com.esri.arcgisruntime.geometry.Point;
26 import com.esri.arcgisruntime.geometry.PointCollection;
27 import com.esri.arcgisruntime.geometry.Polygon;
28 import com.esri.arcgisruntime.geometry.Polyline;
29 import com.esri.arcgisruntime.geometry.SpatialReferences;
30 import com.esri.arcgisruntime.mapping.ArcGISMap;
31 import com.esri.arcgisruntime.mapping.Basemap;
32 import com.esri.arcgisruntime.mapping.view.Graphic;
33 import com.esri.arcgisruntime.mapping.view.GraphicsOverlay;
34 import com.esri.arcgisruntime.mapping.view.MapView;
35 import com.esri.arcgisruntime.symbology.SimpleFillSymbol;
36 import com.esri.arcgisruntime.symbology.SimpleLineSymbol;
37 import com.esri.arcgisruntime.symbology.SimpleMarkerSymbol;
38 

39 /**
40  * Shows straightforward ways to create Point, Envelope, Multipoint, Polyline, and Polygon geometries. Shows a MapView
41  * with a GraphicsOverlay containing Graphics created from the Point, Multipoint, Polyline, and Polygon geometries, and
42  * sets the Viewpoint of the Map from the Envelope geometry.
43  */
44 public class MainActivity extends AppCompatActivity {
45 

46   private Envelope createEnvelope() {
47 

48     //[DocRef: Name=Create Envelope, Category=Fundamentals, Topic=Geometries]
49     // create an Envelope using minimum and maximum x,y coordinates and a SpatialReference
50     Envelope envelope = new Envelope(-123.0, 33.5, -101.0, 48.0, SpatialReferences.getWgs84());
51     //[DocRef: END]
52 

53     return envelope;
54   }
55 

56   private Point createPoint() {
57     //[DocRef: Name=Create Point, Category=Fundamentals, Topic=Geometries]
58     // create a Point using x,y coordinates and a SpatialReference
59     Point pt = new Point(34.056295, -117.195800, SpatialReferences.getWgs84());
60     //[DocRef: END]
61 

62     return pt;
63   }
64 

65   private Multipoint createMultipoint() {
66     //[DocRef: Name=Create Multipoint, Category=Fundamentals, Topic=Geometries]
67     // create a Multipoint from a PointCollection
68     PointCollection stateCapitalsPST = new PointCollection(SpatialReferences.getWgs84());
69     stateCapitalsPST.add(-121.491014, 38.579065); // Sacramento, CA
70     stateCapitalsPST.add(-122.891366, 47.039231); // Olympia, WA
71     stateCapitalsPST.add(-123.043814, 44.93326); // Salem, OR
72     stateCapitalsPST.add(-119.766999, 39.164885); // Carson City, NV
73     Multipoint multipoint = new Multipoint(stateCapitalsPST);
74     //[DocRef: END]
75 

76     return multipoint;
77   }
78 

79   private Polyline createPolyline() {
80     //[DocRef: Name=Create Polyline, Category=Fundamentals, Topic=Geometries]
81     // create a Polyline from a PointCollection
82     PointCollection borderCAtoNV = new PointCollection(SpatialReferences.getWgs84());
83     borderCAtoNV.add(-119.992, 41.989);
84     borderCAtoNV.add(-119.994, 38.994);
85     borderCAtoNV.add(-114.620, 35.0);
86     Polyline polyline = new Polyline(borderCAtoNV);
87     //[DocRef: END]
88 

89     return polyline;
90   }
91 

92   private Polygon createPolygon() {
93     //[DocRef: Name=Create Polygon, Category=Fundamentals, Topic=Geometries]
94     // create a Polygon from a PointCollection
95     PointCollection coloradoCorners = new PointCollection(SpatialReferences.getWgs84());
96     coloradoCorners.add(-109.048, 40.998);
97     coloradoCorners.add(-102.047, 40.998);
98     coloradoCorners.add(-102.037, 36.989);
99     coloradoCorners.add(-109.048, 36.998);
100     Polygon polygon = new Polygon(coloradoCorners);
101     //[DocRef: END]
102 

103     return polygon;
104   }
105 

106 

107   @Override
108   protected void onCreate(Bundle savedInstanceState) {
109     super.onCreate(savedInstanceState);
110     setContentView(R.layout.activity_main);
111 

112     // get MapView from layout
113     MapView mMapView = (MapView) findViewById(R.id.mapView);
114 

115     // create a map with the BasemapType topographic
116     final ArcGISMap mMap = new ArcGISMap(Basemap.createTopographic());
117 

118     // set the map to be displayed in this view
119     mMapView.setMap(mMap);
120 

121     // create color and symbols for drawing graphics
122     SimpleMarkerSymbol markerSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.TRIANGLE, Color.BLUE, 14);
123     SimpleFillSymbol fillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.CROSS, Color.BLUE, null);
124     SimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.BLUE, 3);
125 

126     // add a graphic of point, multipoint, polyline and polygon.
127     GraphicsOverlay overlay = new GraphicsOverlay();
128     mMapView.getGraphicsOverlays().add(overlay);
129     overlay.getGraphics().add(new Graphic(createPolygon(), fillSymbol));
130     overlay.getGraphics().add(new Graphic(createPolyline(), lineSymbol));
131     overlay.getGraphics().add(new Graphic(createMultipoint(), markerSymbol));
132     overlay.getGraphics().add(new Graphic(createPoint(), markerSymbol));
133 

134     // use the envelope to set the map viewpoint
135     mMapView.setViewpointGeometryAsync(createEnvelope(), getResources().getDimension(R.dimen.viewpoint_padding));
136 

137   }
138 

139 }