安卓智能地图开发与实施十七:使用天地图 - ArcGIS Runtime SDK for Android(Version 100.1.0)
2017-07-03 23:14
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WebTiledLayer
100.1的新版本最大的亮点是三维,同时新加入了图层类型和可扩展的切片图层WebTiledLayer。继承自ServiceImageTiledLayer。BingMapsLayer和OpenStreetMapLayer继承自ServiceImageTiledLayer。通过设置WebTiledLayer参数便可以在ArcGIS Runtime SDK for Android的环境中使用天地图服务。天地图相关参数
对天地图和ArcGIS参数不太清楚的可以参考:
http://blog.csdn.net/arcgis_all/article/details/8848120?utm_source=tuicool&utm_medium=referral
定义天地图相关参数
private static final List<String> SubDomain = Arrays.asList(new String [] {"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"}); private static final String URL_VECTOR_2000 = "http://{subDomain}.tianditu.com/DataServer?T=vec_c&x={col}&y={row}&l={level}"; private static final String URL_VECTOR_ANNOTATION_CHINESE_2000 = "http://{subDomain}.tianditu.com/DataServer?T=cva_c&x={col}&y={row}&l={level}"; private static final String URL_VECTOR_ANNOTATION_ENGLISH_2000 = "http://{subDomain}.tianditu.com/DataServer?T=eva_c&x={col}&y={row}&l={level}"; private static final String URL_IMAGE_2000 = "http://{subDomain}.tianditu.com/DataServer?T=img_c&x={col}&y={row}&l={level}"; private static final String URL_IMAGE_ANNOTATION_CHINESE_2000 = "http://{subDomain}.tianditu.com/DataServer?T=cia_c&x={col}&y={row}&l={level}"; private static final String URL_IMAGE_ANNOTATION_ENGLISH_2000 = "http://{subDomain}.tianditu.com/DataServer?T=eia_c&x={col}&y={row}&l={level}"; private static final String URL_TERRAIN_2000 = "http://{subDomain}.tianditu.com/DataServer?T=ter_c&x={col}&y={row}&l={level}"; private static final String URL_TERRAIN_ANNOTATION_CHINESE_2000 = "http://{subDomain}.tianditu.com/DataServer?T=cta_c&x={col}&y={row}&l={level}"; private static final String URL_VECTOR_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=vec_w&x={col}&y={row}&l={level}"; private static final String URL_VECTOR_ANNOTATION_CHINESE_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=cva_w&x={col}&y={row}&l={level}"; private static final String URL_VECTOR_ANNOTATION_ENGLISH_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=eva_w&x={col}&y={row}&l={level}"; private static final String URL_IMAGE_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=img_w&x={col}&y={row}&l={level}"; private static final String URL_IMAGE_ANNOTATION_CHINESE_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=cia_w&x={col}&y={row}&l={level}"; private static final String URL_IMAGE_ANNOTATION_ENGLISH_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=eia_w&x={col}&y={row}&l={level}"; private static final String URL_TERRAIN_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=ter_w&x={col}&y={row}&l={level}"; private static final String URL_TERRAIN_ANNOTATION_CHINESE_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=cta_w&x={col}&y={row}&l={level}"; private static final int DPI = 96; private static final int minZoomLevel = 1; private static final int maxZoomLevel = 18; private static final int tileWidth = 256; private static final int tileHeight = 256; private static final String LAYER_NAME_VECTOR = "vec"; private static final String LAYER_NAME_VECTOR_ANNOTATION_CHINESE = "cva"; private static final String LAYER_NAME_VECTOR_ANNOTATION_ENGLISH = "eva"; private static final String LAYER_NAME_IMAGE = "img"; private static final String LAYER_NAME_IMAGE_ANNOTATION_CHINESE = "cia"; private static final String LAYER_NAME_IMAGE_ANNOTATION_ENGLISH = "eia"; private static final String LAYER_NAME_TERRAIN = "ter"; private static final String LAYER_NAME_TERRAIN_ANNOTATION_CHINESE = "cta"; private static final SpatialReference SRID_2000 = SpatialReference.create(4490); private static final SpatialReference SRID_MERCATOR = SpatialReference.create(102100); private static final double X_MIN_2000 = -180; private static final double Y_MIN_2000 = -90; private static final double X_MAX_2000 = 180; private static final double Y_MAX_2000 = 90; private static final double X_MIN_MERCATOR = -20037508.3427892; private static final double Y_MIN_MERCATOR = -20037508.3427892; private static final double X_MAX_MERCATOR = 20037508.3427892; private static final double Y_MAX_MERCATOR = 20037508.3427892; private static final Point ORIGIN_2000 = new Point(-180, 90,SRID_2000); private static final Point ORIGIN_MERCATOR = new Point(-20037508.3427892,20037508.3427892,SRID_MERCATOR); private static final Envelope ENVELOPE_2000 = new Envelope(X_MIN_2000,Y_MIN_2000,X_MAX_2000,Y_MAX_2000,SRID_2000); private static final Envelope ENVELOPE_MERCATOR = new Envelope(X_MIN_MERCATOR,Y_MIN_MERCATOR,X_MAX_MERCATOR,Y_MAX_MERCATOR,SRID_MERCATOR); private static final double[] SCALES = { 2.958293554545656E8,1.479146777272828E8, 7.39573388636414E7, 3.69786694318207E7, 1.848933471591035E7, 9244667.357955175, 4622333.678977588,2311166.839488794, 1155583.419744397, 577791.7098721985, 288895.85493609926, 144447.92746804963, 72223.96373402482,36111.98186701241, 18055.990933506204, 9027.995466753102, 4513.997733376551, 2256.998866688275, 1128.4994333441375 }; private static final double[] RESOLUTIONS_MERCATOR = { 78271.51696402048, 39135.75848201024, 19567.87924100512, 9783.93962050256, 4891.96981025128, 2445.98490512564, 1222.99245256282, 611.49622628141, 305.748113140705, 152.8740565703525, 76.43702828517625, 38.21851414258813, 19.109257071294063, 9.554628535647032, 4.777314267823516, 2.388657133911758, 1.194328566955879, 0.5971642834779395, 0.298582141738970}; private static final double[] RESOLUTIONS_2000 = { 0.7031249999891485,0.35156249999999994, 0.17578124999999997, 0.08789062500000014, 0.04394531250000007, 0.021972656250000007, 0.01098632812500002,0.00549316406250001, 0.0027465820312500017, 0.0013732910156250009, 0.000686645507812499, 0.0003433227539062495, 0.00017166137695312503, 0.00008583068847656251, 0.000042915344238281406, 0.000021457672119140645, 0.000010728836059570307, 0.000005364418029785169};
定义天地图可用服务类型枚举
public enum LayerType { /** * 天地图矢量墨卡托投影地图服务 */ TIANDITU_VECTOR_MERCATOR, /** * 天地图矢量墨卡托中文标注 */ TIANDITU_VECTOR_ANNOTATION_CHINESE_MERCATOR, /** * 天地图矢量墨卡托英文标注 */ TIANDITU_VECTOR_ANNOTATION_ENGLISH_MERCATOR, /** * 天地图影像墨卡托投影地图服务 */ TIANDITU_IMAGE_MERCATOR, /** * 天地图影像墨卡托投影中文标注 */ TIANDITU_IMAGE_ANNOTATION_CHINESE_MERCATOR, /** * 天地图影像墨卡托投影英文标注 */ TIANDITU_IMAGE_ANNOTATION_ENGLISH_MERCATOR, /** * 天地图地形墨卡托投影地图服务 */ TIANDITU_TERRAIN_MERCATOR, /** * 天地图地形墨卡托投影中文标注 */ TIANDITU_TERRAIN_ANNOTATION_CHINESE_MERCATOR, /** * 天地图矢量国家2000坐标系地图服务 */ TIANDITU_VECTOR_2000, /** * 天地图矢量国家2000坐标系中文标注 */ TIANDITU_VECTOR_ANNOTATION_CHINESE_2000, /** * 天地图矢量国家2000坐标系英文标注 */ TIANDITU_VECTOR_ANNOTATION_ENGLISH_2000, /** * 天地图影像国家2000坐标系地图服务 */ TIANDITU_IMAGE_2000, /** * 天地图影像国家2000坐标系中文标注 */ TIANDITU_IMAGE_ANNOTATION_CHINESE_2000, /** * 天地图影像国家2000坐标系英文标注 */ TIANDITU_IMAGE_ANNOTATION_ENGLISH_2000, /** * 天地图地形国家2000坐标系地图服务 */ TIANDITU_TERRAIN_2000, /** * 天地图地形国家2000坐标系中文标注 */ TIANDITU_TERRAIN_ANNOTATION_CHINESE_2000 }
通过天地图枚举类型获取WebTiledLayer
public static WebTiledLayer CreateTianDiTuTiledLayer(LayerType layerType) { WebTiledLayer webTiledLayer = null; String mainUrl = ""; String mainName = ""; TileInfo mainTileInfo = null; Envelope mainEnvelope = null; boolean mainIs2000 = false; try { switch (layerType) { case TIANDITU_VECTOR_2000: mainUrl = URL_VECTOR_2000; mainName = LAYER_NAME_VECTOR; mainIs2000 = true; break; case TIANDITU_VECTOR_MERCATOR: mainUrl = URL_VECTOR_MERCATOR; mainName = LAYER_NAME_VECTOR; break; case TIANDITU_IMAGE_2000: mainUrl = URL_IMAGE_2000; mainName = LAYER_NAME_IMAGE; mainIs2000 = true; break; case TIANDITU_IMAGE_ANNOTATION_CHINESE_2000: mainUrl = URL_IMAGE_ANNOTATION_CHINESE_2000; mainName = LAYER_NAME_IMAGE_ANNOTATION_CHINESE; mainIs2000 = true; break; case TIANDITU_IMAGE_ANNOTATION_ENGLISH_2000: mainUrl = URL_IMAGE_ANNOTATION_ENGLISH_2000; mainName = LAYER_NAME_IMAGE_ANNOTATION_ENGLISH; mainIs2000 = true; break; case TIANDITU_IMAGE_ANNOTATION_CHINESE_MERCATOR: mainUrl = URL_IMAGE_ANNOTATION_CHINESE_MERCATOR; mainName = LAYER_NAME_IMAGE_ANNOTATION_CHINESE; break; case TIANDITU_IMAGE_ANNOTATION_ENGLISH_MERCATOR: mainUrl = URL_IMAGE_ANNOTATION_ENGLISH_MERCATOR; mainName = LAYER_NAME_IMAGE_ANNOTATION_ENGLISH; break; case TIANDITU_IMAGE_MERCATOR: mainUrl = URL_IMAGE_MERCATOR; mainName = LAYER_NAME_IMAGE; break; case TIANDITU_VECTOR_ANNOTATION_CHINESE_2000: mainUrl = URL_VECTOR_ANNOTATION_CHINESE_2000; mainName = LAYER_NAME_VECTOR_ANNOTATION_CHINESE; mainIs2000 = true; break; case TIANDITU_VECTOR_ANNOTATION_ENGLISH_2000: mainUrl = URL_VECTOR_ANNOTATION_ENGLISH_2000; mainName = LAYER_NAME_VECTOR_ANNOTATION_ENGLISH; mainIs2000 = true; break; case TIANDITU_VECTOR_ANNOTATION_CHINESE_MERCATOR: mainUrl = URL_VECTOR_ANNOTATION_CHINESE_MERCATOR; mainName = LAYER_NAME_VECTOR_ANNOTATION_CHINESE; break; case TIANDITU_VECTOR_ANNOTATION_ENGLISH_MERCATOR: mainUrl = URL_VECTOR_ANNOTATION_ENGLISH_MERCATOR; mainName = LAYER_NAME_VECTOR_ANNOTATION_ENGLISH; break; case TIANDITU_TERRAIN_2000: mainUrl = URL_TERRAIN_2000; mainName = LAYER_NAME_TERRAIN; mainIs2000 = true; break; case TIANDITU_TERRAIN_ANNOTATION_CHINESE_2000: mainUrl = URL_TERRAIN_ANNOTATION_CHINESE_2000; mainName = LAYER_NAME_TERRAIN_ANNOTATION_CHINESE; mainIs2000 = true; break; case TIANDITU_TERRAIN_MERCATOR: mainUrl = URL_TERRAIN_MERCATOR; mainName = LAYER_NAME_TERRAIN; break; case TIANDITU_TERRAIN_ANNOTATION_CHINESE_MERCATOR: mainUrl = URL_TERRAIN_ANNOTATION_CHINESE_MERCATOR; mainName = LAYER_NAME_TERRAIN_ANNOTATION_CHINESE; break; } List<LevelOfDetail> mainLevelOfDetail = new ArrayList<LevelOfDetail>(); Point mainOrigin = null; if(mainIs2000 == true) { for (int i = minZoomLevel; i <= maxZoomLevel; i++) { LevelOfDetail item = new LevelOfDetail(i,RESOLUTIONS_2000[i-1],SCALES[i-1]); mainLevelOfDetail.add(item); } mainEnvelope = ENVELOPE_2000; mainOrigin = ORIGIN_2000; } else { for (int i = minZoomLevel; i <= maxZoomLevel; i++) { LevelOfDetail item = new LevelOfDetail(i,RESOLUTIONS_MERCATOR[i-1],SCALES[i-1]); mainLevelOfDetail.add(item); } mainEnvelope = ENVELOPE_MERCATOR; mainOrigin = ORIGIN_MERCATOR; } mainTileInfo = new TileInfo( DPI, TileInfo.ImageFormat.PNG24, mainLevelOfDetail, mainOrigin, mainOrigin.getSpatialReference(), tileHeight, tileWidth ); webTiledLayer = new WebTiledLayer( mainUrl, SubDomain, mainTileInfo, mainEnvelope); webTiledLayer.setName(mainName); webTiledLayer.loadAsync(); } catch (Exception e) { e.getCause(); } return webTiledLayer; }
使用实例
三维场景中使用:需要Web墨卡托投影的
mainSceneView = (SceneView) mainSceneViewContainer.findViewById(R.id.mainSceneView); ArcGISScene scene = new ArcGISScene(); WebTiledLayer webTiledLayer = TianDiTuMethodsClass.CreateTianDiTuTiledLayer(TianDiTuMethodsClass.LayerType.TIANDITU_VECTOR_MERCATOR); Basemap tdtBasemap =new Basemap(webTiledLayer); WebTiledLayer webTiledLayer1 = TianDiTuMethodsClass.CreateTianDiTuTiledLayer(TianDiTuMethodsClass.LayerType.TIANDITU_VECTOR_ANNOTATION_CHINESE_MERCATOR); tdtBasemap.getBaseLayers().add(webTiledLayer1); scene.setBasemap(tdtBasemap); mainSceneView.setScene(scene); mainSceneView.setAttributionTextVisible(false);
二维中使用
WebTiledLayer webTiledLayer = TianDiTuMethodsClass.CreateTianDiTuTiledLayer(TianDiTuMethodsClass.LayerType.TIANDITU_VECTOR_2000); Basemap tdtBasemap =new Basemap(webTiledLayer); WebTiledLayer webTiledLayer1 = TianDiTuMethodsClass.CreateTianDiTuTiledLayer(TianDiTuMethodsClass.LayerType.TIANDITU_VECTOR_ANNOTATION_CHINESE_2000); tdtBasemap.getBaseLayers().add(webTiledLayer1); mainMapView.getMap().setBasemap(tdtBasemap);
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