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antv-l7
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feat(map): add mapbox

This commit is contained in:
thinkinggis 2019-02-12 20:21:14 +08:00
parent 20c517ab87
commit b43a30e396
11 changed files with 148 additions and 80 deletions
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36
src/core/controller/geom.js
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@ -1,36 +0,0 @@
import geom from '../../geom/geom';
import { GeoBuffer, bufferGeometry, Material } from '../../geom/index';
// geom shape buffer geometry material
// shape name type()
// buffer 1:n geometry
// geometry
//
export default function polygonGeom(shape, coordinates, properties, layerid) {
const polygongeom = geom.polygon;
const { buffer, geometry, material } = polygongeom[shape];// polygon 映射表
const bufferData = new GeoBuffer[buffer]({
coordinates,
properties,
shape
});
bufferData.bufferStruct.name = layerid;
const bg = new bufferGeometry[geometry](bufferData.bufferStruct);
const mtl = Material[material]();
return {
geometry: bg,
mtl
};
}
export function pointGeom(shape, bufferData) {
const pointgeom = geom.point;
const { geometry, material } = pointgeom[shape];
const bg = new bufferGeometry[geometry](bufferData.bufferStruct);
const mtl = Material[material]();
return {
geometry: bg,
mtl
};
}

24
src/core/controller/map.js Normal file
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@ -0,0 +1,24 @@
import { getMap } from '../../map';
import Base from '../base';
export default class MapContorller extends Base {
constructor(cfg, engine, scene) {
super(cfg);
this._engine = engine;
this.scene = scene;
}
_init() {
const mapType = this.get('mapType');
const mapCfg = this.get('mapCfg');
this.map = new getMap(mapType)(mapCfg);
this.map('mapLoad', this._mapload.bind(this));
}
_mapload() {
this.map.asyncCamera(this._engine);
this.emit('loaded');
}
_bindMapMethod() {
}
}

3
src/core/engine/index.js
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@ -11,6 +11,9 @@ export default class Engine extends EventEmitter {
this._camera = new Camera(container).camera;
this._renderer = new Renderer(container).renderer;
this._world = world;
// for MapBox
this.world = new THREE.Group();
this._scene.add(this.world);
this._picking = Picking(this._world, this._renderer, this._camera, this._scene);
this.clock = new THREE.Clock();
}

4
src/core/layer.js
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@ -63,7 +63,8 @@ export default class Layer extends Base {
const layerId = this._getUniqueId();
this.layerId = layerId;
this._activeIds = null;
scene._engine._scene.add(this._object3D);
const world = scene._engine.world;
world.add(this._object3D);
this.layerMesh = null;
this.layerLineMesh = null;
this._initEvents();
@ -110,7 +111,6 @@ export default class Layer extends Base {
const { type = dataType } = cfg;
cfg.data = data;
cfg.mapType = this.get('mapType');
this.layerSource = new source[type](cfg);
// this.scene.workerPool.runTask({
// command: 'geojson',

20
src/core/scene.js
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@ -3,8 +3,8 @@ import * as layers from '../layer';
import Base from './base';
import LoadImage from './image';
import WorkerPool from './worker';
import { MapProvider } from '../map/provider';
import GaodeMap from '../map/gaodeMap';
// import { MapProvider } from '../map/AMap';
import { getMap } from '../map/index';
import Global from '../global';
export default class Scene extends Base {
getDefaultCfg() {
@ -13,7 +13,7 @@ export default class Scene extends Base {
constructor(cfg) {
super(cfg);
this._initMap();
this._initAttribution();
// this._initAttribution();
this.addImage();
this._layers = [];
}
@ -29,16 +29,14 @@ export default class Scene extends Base {
}
_initMap() {
this.mapContainer = this.get('id');
this._container = document.getElementById(this.mapContainer);
const Map = new MapProvider(this.mapContainer, this._attrs);
this.mapType = this.get('mapType');
const MapProvider = getMap(this.mapType);
const Map = new MapProvider(this._attrs);
Map.mixMap(this);
this._container = document.getElementById(Map.container);
// const Map = new MapProvider(this.mapContainer, this._attrs);
Map.on('mapLoad', () => {
this._initEngine(Map.renderDom);
const sceneMap = new GaodeMap(Map.map);
// eslint-disable-next-line
Object.getOwnPropertyNames(sceneMap.__proto__).forEach((key)=>{
// eslint-disable-next-line
if ('key' !== 'constructor') { this.__proto__[key] = sceneMap.__proto__[key]; }
});
this.map = Map.map;
Map.asyncCamera(this._engine);
this.initLayer();

14
src/core/source.js
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@ -1,12 +1,6 @@
/*
* @Author: ThinkGIS
* @Date: 2018-06-08 11:19:06
* @Last Modified by: mikey.zhaopeng
* @Last Modified time: 2018-11-01 11:50:43
*/
import Base from './base';
const Controller = require('./controller/index');
import { aProjectFlat } from '../geo/project';
import { getMap } from '../map/index';
export default class Source extends Base {
getDefaultCfg() {
return {
@ -50,6 +44,8 @@ export default class Source extends Base {
}
_initControllers() {
const defs = this.get('defs');
const mapType = this.get('mapType');
this.projectFlat = getMap(mapType).project;
const scaleController = new Controller.Scale({
defs
});
@ -83,8 +79,8 @@ export default class Source extends Base {
}
_coorConvert(geo) {
const ll = aProjectFlat(geo);
return [ ll.x, -ll.y, geo[2] || 0 ];
const ll = this.projectFlat(geo);
return [ ll.x, ll.y, geo[2] || 0 ];
}

1
src/core/three.js
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@ -4,6 +4,7 @@ export { Scene } from 'three/src/scenes/Scene.js';
export { WebGLRenderer } from 'three/src/renderers/WebGLRenderer.js';
export { CanvasTexture } from 'three/src/textures/CanvasTexture.js';
export { Object3D } from 'three/src/core/Object3D.js';
export { Group } from 'three/src/objects/Group';
export { Clock } from 'three/src/core/Clock';
export { Points } from 'three/src/objects/Points.js';
export { LineSegments } from 'three/src/objects/LineSegments.js';

51
src/map/provider.js → src/map/AMap.js
View File

@ -1,18 +1,34 @@
import Base from '../core/base';
import { scene } from '../global';
import * as Theme from '../theme/index';
import Util from '../util';
import { scene } from '../global';
const DEG2RAD = Math.PI / 180;
export class MapProvider extends Base {
export default class GaodeMap extends Base {
getDefaultCfg() {
return Util.assign(scene, {
resizeEnable: true,
viewMode: '3D'
});
}
constructor(container, cfg) {
static project(lnglat) {
const maxs = 85.0511287798;
const lat = Math.max(Math.min(maxs, lnglat[1]), -maxs);
const scale = 256 << 20;
let d = Math.PI / 180;
let x = lnglat[0] * d;
let y = lat * d;
y = Math.log(Math.tan((Math.PI / 4) + (y / 2)));
const a = 0.5 / Math.PI,
b = 0.5,
c = -0.5 / Math.PI;
d = 0.5;
x = scale * (a * x + b) - 215440491;
y = -(scale * (c * y + d) - 106744817);
return { x, y };
}
constructor(cfg) {
super(cfg);
this.container = container;
this.container = this.get('id');
this.initMap();
this.addOverLayer();
setTimeout(() => {
@ -85,4 +101,31 @@ export class MapProvider extends Base {
this.renderDom.id = 'l7_canvaslayer';
canvasContainer.appendChild(this.renderDom);
}
mixMap(scene) {
const map = this.map;
scene.getZoom = () => { return map.getZoom(); };
scene.getCenter = () => { return map.getCenter(); };
scene.getSize = () => { return map.getSize(); };
scene.getPitch = () => { return map.getPitch(); };
scene.getRotation = () => { return map.getRotation(); };
scene.getStatus = () => { return map.getStatus(); };
scene.getScale = () => { return map.getScale(); };
scene.getZoom = () => { return map.getZoom(); };
scene.setZoom = () => { return map.setZoom(); };
scene.setBounds = () => { return map.setBounds(); };
scene.setRotation = () => { return map.setRotation(); };
scene.zoomIn = () => { return map.zoomIn(); };
scene.setRotation = () => { return map.setRotation(); };
scene.zoomOut = () => { return map.zoomOut(); };
scene.panTo = () => { return map.panTo(); };
scene.panBy = () => { return map.panBy(); };
scene.setPitch = () => { return map.setPitch(); };
scene.pixelToLngLat = () => { return map.pixelToLngLat(); };
scene.lngLatToPixel = () => { return map.lngLatToPixel(); };
scene.setMapStyle = () => { return map.setMapStyle(); };
scene.containerToLngLat = pixel => {
const ll = new AMap.Pixel(pixel.x, pixel.y);
return map.containerToLngLat(ll);
};
}
}

2
src/map/gaodeMap.js
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@ -21,7 +21,7 @@ export default class GaodeMap {
return this.map.getStatus();
}
getScale() {
return this.getScale();
return this.map.getScale();
}
setZoom(zoom) {
return this.map.setZoom(zoom);

22
src/map/index.js Normal file
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@ -0,0 +1,22 @@
import MapBox from './mapbox';
import { default as AMap } from './AMap';
export {
AMap,
MapBox
};
const MapType = {
amap: AMap,
mapbox: MapBox
};
export const getMap = type => {
return MapType[type.toLowerCase()];
};
export const registerMap = (type, map) => {
if (getMap(type)) {
throw new Error(`Map type '${type}' existed.`);
}
map.type = type;
// 存储到 map 中
MapType[type.toLowerCase()] = map;
};

51
src/map/mapbox.js
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@ -3,22 +3,27 @@ import Util from '../util';
import { scene } from '../global';
import * as THREE from '../core/three';
const WORLD_SIZE = 512;
export class MapBoxProvider extends Base {
const MERCATOR_A = 6378137.0;
const WORLD_SCALE = 1.0;
const PROJECTION_WORLD_SIZE = WORLD_SIZE / (MERCATOR_A * Math.PI) / 2;
export default class MapBox extends Base {
getDefaultCfg() {
return Util.assign(scene, {
resizeEnable: true,
viewMode: '3D'
});
}
constructor(container, cfg, engine) {
static project(lnglat) {
const d = Math.PI / 180;
const x = -MERCATOR_A * lnglat[0] * d * PROJECTION_WORLD_SIZE;
const y = -MERCATOR_A * Math.log(Math.tan((Math.PI * 0.25) + (0.5 * lnglat[1] * d))) * PROJECTION_WORLD_SIZE;
return { x, y };
}
constructor(cfg) {
super(cfg);
this.container = container;
this.engine = engine;
const scene = engine._scene;
this.container = this.get('container');
this.initMap();
this.addOverLayer();
scene.position.x = scene.position.y = WORLD_SIZE / 2;
scene.matrixAutoUpdate = false;
setTimeout(() => {
this.emit('mapLoad');
}, 100);
@ -28,15 +33,24 @@ export class MapBoxProvider extends Base {
initMap() {
mapboxgl.accessToken = 'pk.eyJ1IjoibHp4dWUiLCJhIjoiYnhfTURyRSJ9.Ugm314vAKPHBzcPmY1p4KQ';
this.map = new mapboxgl.Map(this._attrs);
}
asyncCamera(engine) {
this.engine = engine;
const camera = engine._camera;
const scene = engine.world;
camera.matrixAutoUpdate = false;
scene.position.x = scene.position.y = WORLD_SIZE / 2;
scene.matrixAutoUpdate = false;
scene.autoUpdate = false;
this.updateCamera();
this.map.on('move', () => {
this.updateCamera();
});
this.updateCamera();
}
asyncCamera() {
updateCamera() {
const engine = this.engine;
const scene = engine.world;
const camera = engine._camera;
const scene = engine._scene;
// Build a projection matrix, paralleling the code found in Mapbox GL JS
const fov = 0.6435011087932844;
const cameraToCenterDistance = 0.5 / Math.tan(fov / 2) * this.map.transform.height;
@ -49,25 +63,22 @@ export class MapBoxProvider extends Base {
// Add a bit extra to avoid precision problems when a fragment's distance is exactly `furthestDistance`
const farZ = furthestDistance * 1.01;
const { x, y } = this.map.transform.point;
camera.projectionMatrix = this.makePerspectiveMatrix(fov, this.map.transform.width / this.map.transform.height, 1, farZ);
const cameraWorldMatrix = new THREE.Matrix4();
const cameraTranslateZ = new THREE.Matrix4().makeTranslation(0, 0, cameraToCenterDistance);
const cameraRotateX = new THREE.Matrix4().makeRotationX(this.map.transform._pitch);
const cameraRotateZ = new THREE.Matrix4().makeRotationZ(this.map.transform.angle);
// const cameraTranslateCenter = new THREE.Matrix4().makeTranslation(0, 0, cameraToCenterDistance);
// Unlike the Mapbox GL JS camera, separate camera translation and rotation out into its world matrix
// If this is applied directly to the projection matrix, it will work OK but break raycasting
cameraWorldMatrix
.premultiply(cameraTranslateZ)
.premultiply(cameraRotateX)
.premultiply(cameraRotateZ);
camera.matrixWorld.copy(cameraWorldMatrix);
const zoomPow = this.map.transform.scale;
// Handle scaling and translation of objects in the map in the world's matrix transform, not the camera
const scale = new THREE.Matrix4();
@ -82,7 +93,6 @@ export class MapBoxProvider extends Base {
.makeTranslation(-this.map.transform.x, this.map.transform.y, 0);
rotateMap
.makeRotationZ(Math.PI);
scene.matrix = new THREE.Matrix4();
scene.matrix
.premultiply(rotateMap)
@ -117,8 +127,15 @@ export class MapBoxProvider extends Base {
const canvasContainer = document.getElementById(this.container);
this.canvasContainer = canvasContainer;
this.renderDom = document.createElement('div');
this.renderDom.style.cssText += 'position: absolute;top: 0; z-index:1;height: 100%;width: 100%;pointer-events: none;';
this.renderDom.style.cssText += 'position: absolute;top: 0; z-index:10;height: 100%;width: 100%;pointer-events: none;';
this.renderDom.id = 'l7_canvaslayer';
canvasContainer.appendChild(this.renderDom);
}
mixMap(scene) {
const map = this.map;
scene.getZoom = () => { return map.getZoom(); };
scene.getCenter = () => { return map.getCenter(); };
scene.getPitch = () => { return map.getPitch(); };
}
}