arcgis runtime 100 Create geometries

时间:2024-12-04 21:35:50
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 }