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| Original file line number | Diff line number | Diff line change |
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@@ -51,7 +51,7 @@ | |
| }) | ||
| //.animate({enable:true}) | ||
| .render(); | ||
| console.log(layer); | ||
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| /** | ||
| scene.LineLayer({ | ||
| zIndex: 2 | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | ||
| <meta name="geometry" content="diagram"> | ||
| <link rel="stylesheet" href="./assets/common.css"> | ||
| <link rel="stylesheet" href="./assets/info.css"> | ||
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| <title>hexagon demo</title> | ||
| <style> | ||
| body {margin: 0;} | ||
| #map { position:absolute; top:0; bottom:0; width:100%; } | ||
| </style> | ||
| </head> | ||
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| <body> | ||
| <div id="map"></div> | ||
| <script src="https://webapi.amap.com/maps?v=1.4.8&key=15cd8a57710d40c9b7c0e3cc120f1200&plugin=Map3D"></script> | ||
| <script src="./assets/jquery-3.2.1.min.js"></script> | ||
| <script src="./assets/dat.gui.min.js"></script> | ||
| <script src="../build/L7.js"></script> | ||
| <script> | ||
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| const scene = new L7.Scene({ | ||
| id: 'map', | ||
| mapStyle: 'light', // 样式URL | ||
| center: [104.838088,34.075889 ], | ||
| pitch: 0, | ||
| hash:true, | ||
| zoom: 3, | ||
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| }); | ||
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| scene.on('loaded', () => { | ||
| scene.addTileSource('test',{ | ||
| url:'http://alipay-rmsdeploy-image.cn-hangzhou.alipay.aliyun-inc.com/thinkgis/tile/county/{z}/{x}/{y}.pbf', | ||
| type:'mvt', | ||
| minZoom: 0, | ||
| maxZoom:9 | ||
| }) | ||
| const layer = scene.PolygonLayer({ | ||
| zIndex:0, | ||
| }) | ||
| .source('test',{ | ||
| parser:{ | ||
| type: 'mvt', | ||
| sourceLayer:'county', | ||
| idField:'id' | ||
| } | ||
| }) | ||
| .shape('line') | ||
| .size(2) | ||
| .active(false) | ||
| .color('red') | ||
| .style({ | ||
| opacity:1.0 | ||
| }) | ||
| .render(); | ||
|
|
||
| }); | ||
|
|
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| </script> | ||
| </body> | ||
| </html> | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| import Base from '../core/base'; | ||
| import WorkerPool from '../worker/worker_pool'; | ||
| import { toLngLat, Bounds } from '@antv/geo-coord'; | ||
| import SourceCache from '../source/source_cache'; | ||
| import WorkerController from '../worker/worker_controller'; | ||
| // 统一管理所有的Source | ||
| // 统一管理地图样式 | ||
| export default class Style extends Base { | ||
| constructor(scene, cfg) { | ||
| super(cfg); | ||
| this.scene = scene; | ||
| this._sourceCaches = {}; | ||
| this.WorkerPool = new WorkerPool(); | ||
| this._tileMap = {}; | ||
| this.WorkerController = new WorkerController(this.WorkerPool, this); | ||
| this.layerStyles = {}; | ||
| this.addMapEvent(); | ||
| } | ||
| addSource(id, sourceCfg) { | ||
| if (this._sourceCaches[id] !== undefined) { | ||
| throw new Error('SourceID 已存在'); | ||
| } | ||
| this._sourceCaches[id] = new SourceCache(this.scene, sourceCfg); | ||
| } | ||
| getSource(id) { | ||
| return this._sourceCaches[id]; | ||
| } | ||
| // 设置 | ||
| addTileStyle(layerCfg) { | ||
| const layerid = layerCfg.layerId; | ||
| this.layerStyles[layerid] = layerCfg; | ||
| this._layerStyleGroupBySourceID(); | ||
| this.WorkerController.broadcast('setLayers', this.layerStyles); | ||
| // TODO 更新 style | ||
|
|
||
| } | ||
| removeTileStyle(id) { | ||
| delete this.layerStyles[id]; | ||
| this._layerStyleGroupBySourceID(); | ||
|
|
||
| } | ||
| _layerStyleGroupBySourceID() { | ||
| const sourceStyles = []; | ||
| // 支持VectorLayer | ||
| for (const layerId in this.layerStyles) { | ||
| const sourceID = this.layerStyles[layerId].sourceOption.id; | ||
| const sourcelayer = this.layerStyles[layerId].sourceOption.parser.sourceLayer; | ||
| if (!sourceStyles[sourceID]) sourceStyles[sourceID] = {}; | ||
| if (!sourceStyles[sourceID][sourcelayer]) sourceStyles[sourceID][sourcelayer] = []; | ||
| sourceStyles[sourceID][sourcelayer].push(this.layerStyles[layerId]); | ||
| } | ||
| this.sourceStyles = sourceStyles; | ||
| } | ||
| update(parameters) { | ||
| this.addTileStyle(parameters); | ||
| for (const key in this._sourceCaches) { | ||
| this._sourceCaches[key].update(this.sourceStyles[key]); | ||
| } | ||
|
|
||
| } | ||
| addMapEvent() { | ||
| this.mapEventHander = () => { | ||
| for (const key in this._sourceCaches) { | ||
| this._sourceCaches[key].update(this.sourceStyles[key]); | ||
| } | ||
| }; | ||
| this.scene.on('zoomchange', this.mapEventHander); | ||
| this.scene.on('dragend', this.mapEventHander); | ||
| } | ||
| clearMapEvent() { | ||
| this.scene.off('zoomchange', this.mapEventHander); | ||
| this.scene.off('dragend', this.mapEventHander); | ||
| } | ||
| // 计算视野内的瓦片坐标 | ||
| _calculateTileIDs() { | ||
| this.updateTileList = []; | ||
| const pixelBounds = this._getPixelBounds(); | ||
| const tileRange = this._pxBoundsToTileRange(pixelBounds); | ||
| const margin = this.get('keepBuffer'); | ||
| this.noPruneRange = new Bounds(tileRange.getBottomLeft().subtract([ margin, -margin ]), | ||
| tileRange.getTopRight().add([ margin, -margin ])); | ||
| if (!(isFinite(tileRange.min.x) && | ||
| isFinite(tileRange.min.y) && | ||
| isFinite(tileRange.max.x) && | ||
| isFinite(tileRange.max.y))) { throw new Error('Attempted to load an infinite number of tiles'); } | ||
| for (let j = tileRange.min.y; j <= tileRange.max.y; j++) { | ||
| for (let i = tileRange.min.x; i <= tileRange.max.x; i++) { | ||
| const coords = [ i, j, this.tileZoom ]; | ||
| this.tileList.push(coords); | ||
| this._tileMap[coords.join('_')] = coords; | ||
| } | ||
| } | ||
| } | ||
| _getPixelBounds() { | ||
| const viewPort = this.scene.getBounds().toBounds(); | ||
| const NE = viewPort.getNorthEast(); | ||
| const SW = viewPort.getSouthWest(); | ||
| const zoom = this.tileZoom; | ||
| const center = this.scene.getCenter(); | ||
| const NEPoint = this.scene.crs.lngLatToPoint(toLngLat(NE.lng, NE.lat), zoom); | ||
| const SWPoint = this.scene.crs.lngLatToPoint(toLngLat(SW.lng, SW.lat), zoom); | ||
| const centerPoint = this.scene.crs.lngLatToPoint(toLngLat(center.lng, center.lat), zoom); | ||
| const topHeight = centerPoint.y - NEPoint.y; | ||
| const bottomHeight = SWPoint.y - centerPoint.y; | ||
| // 跨日界线的情况 | ||
| let leftWidth; | ||
| let rightWidth; | ||
| if (center.lng - NE.lng > 0 || center.lng - SW.lng < 0) { | ||
| const width = Math.pow(2, zoom) * 256 / 360 * (180 - NE.lng) + Math.pow(2, zoom) * 256 / 360 * (SW.lng + 180); | ||
| if (center.lng - NE.lng > 0) { // 日界线在右侧 | ||
| leftWidth = Math.pow(2, zoom) * 256 / 360 * (center.lng - NE.lng); | ||
| rightWidth = width - leftWidth; | ||
| } else { | ||
| rightWidth = Math.pow(2, zoom) * 256 / 360 * (SW.lng - center.lng); | ||
| leftWidth = width - rightWidth; | ||
| } | ||
| } else { // 不跨日界线 | ||
| leftWidth = Math.pow(2, zoom) * 256 / 360 * (center.lng - SW.lng); | ||
| rightWidth = Math.pow(2, zoom) * 256 / 360 * (NE.lng - center.lng); | ||
| } | ||
| const pixelBounds = new Bounds(centerPoint.subtract(leftWidth, topHeight), centerPoint.add(rightWidth, bottomHeight)); | ||
| return pixelBounds; | ||
| } | ||
| _pxBoundsToTileRange(pixelBounds) { | ||
| return new Bounds( | ||
| pixelBounds.min.divideBy(256).floor(), | ||
| pixelBounds.max.divideBy(256).ceil().subtract([ 1, 1 ]) | ||
| ); | ||
| } | ||
|
|
||
| } |
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