初遇Citymaker (十五)

场景渲染控制器

• 调用

• switch (type) {
• case "pause":
• cw5.sceneLayerCtrl.stopRendering();
• break;
• case "resume":
• cw5.sceneLayerCtrl.resumeRendering();
• break;
• case "stop":
• cw5.sceneLayerCtrl.stopRenderingTotal();
• break;
• case "reset":
• cw5.sceneLayerCtrl.reset();
• break;
• case "init":
• cw5.init();
• cw5.loadMap();
• break;
• }

• import { cw5 } from "../index.js";
• import { map3dLog } from "../log/log";
• export const sceneLayerInnerUtils={};
•  
• /**
• * 功能：获取要素类
• * @param mapInfo 三维地图的某一个图层的信息
• * @returns {*} 返回要素类
• */
• sceneLayerInnerUtils.getFeatureClass=function(mapInfo){
• let ds = null, ci = null, fc = null, fl = null;
• //参数检查
• for (let item in mapInfo) {
• let key = item.toString();
• if (mapInfo[key] === "") {
• // console.log(key+" is empty!");
• }
• }
• ci = cw5.__g.new_ConnectionInfo;
• ci.connectionType = cw5.GetEnumValue1(cw5.innerConfig.gviConnectionType, mapInfo.ConnectionType);
• ci.database = mapInfo.service;
• ci.server = mapInfo.host;
• ci.port = mapInfo.port;
• if (mapInfo.password !== "") {
• ci.password = mapInfo.password;
• }
•  
• ds = cw5.__g.dataSourceFactory.openDataSource(ci);
• let fds = ds.openFeatureDataset(mapInfo.dataSet);
• let fcNames;
• if(cw5.version==7){
• fcNames = fds.getNamesByType(cw5.innerConfig.gviDataSetType.gviDataSetFeatureClassTable);
• }
• else if(cw5.version==8){
• fcNames = fds.getNamesByType(cw5.innerConfig.gviDataSetType.gviDataSetFeatureClassTable).toArray();
• }
• if (fcNames && fcNames.indexOf(mapInfo.featureClassName) > -1) {
• fc = fds.openFeatureClass(mapInfo.featureClassName);
• }else{
• map3dLog.error("fcNames is Error!")
• }
•  
• return fc;
• }
•  
• /**
• * 加载栅格图层，可以支持WMS、MapServer
• * @param mapInfo
• * @returns {*}
• */
• sceneLayerInnerUtils.getRasterLayer=function(mapInfo) {
• let fl = null;
• let __g = cw5.__g;
• let url = mapInfo.server;
• let connectionType = cw5.GetEnumValue1(cw5.innerConfig.gviRasterConnectionType, mapInfo.ConnectionType);
• let source = __g.rasterSourceFactory.openRasterSource(url, connectionType);
• if (source) {
• let names = source.getRasterNames();
• let raster = source.openRaster(names[0]);
• fl = __g.objectManager.createImageryLayer(raster.connStr, "");
• }
• return fl;
• }
•  
•  
• /**
• * 获取要素图层
• * @param fc 要素类
• * @param mapInfo 某一个图层的地图信息
• * @returns {*} 返回某个要素图层
• */
• sceneLayerInnerUtils.getFeatureLayer = function (fc, mapInfo) {
• let __g =cw5.__g;
• let fl = null;
• let textRender = null;
• let geoRender = null;
• let geoName = mapInfo.geoName;
• if (fc === null) {
• throw new Error("Feature class is null!");
• }
• fl = __g.objectManager.createFeatureLayer(fc, geoName, textRender, geoRender, "");
• if (fl) {
• fl.maxVisibleDistance = mapInfo.maxVisibleDistance;
• fl.minVisibleDistance = mapInfo.minVisibleDistance;
• fl.minVisiblePixels = mapInfo.minVisiblePixels;
• }
• if (!mapInfo.visible) {
• __g.projectTree.setVisibility(fl.guid, mapInfo.visible);
• }
•  
• return fl;
• };
•  
•  
•  
• /**
• * 功能：加载地形
• */
• sceneLayerInnerUtils.loadTerrain = function (mapInfo) {
• let __g = cw5.__g;
• let terrainUrl = mapInfo.service + ':' + mapInfo.dataSet + '@' + mapInfo.host + ':' + mapInfo.port;
•  
• if (__g.terrain.registerTerrain(terrainUrl, mapInfo.password)) {
• __g.terrain.demAvailable = mapInfo.demAvailable;
• __g.terrain.opacity = mapInfo.opacity;
• cw5.isTerrainLoad = true;
•  
• if (mapInfo.visible) {
• __g.terrain.visibleMask = cw5.innerConfig.gviViewportMask.gviViewAllNormalView;
• } else {
• __g.terrain.visibleMask = cw5.innerConfig.gviViewportMask.gviViewNone;
• }
• }
• };
•  
• /**
• * 功能：加载瓦片服务
• * */
• sceneLayerInnerUtils.loadTileLayer = function (mapInfo) {
• let __g = cw5.__g;
• let terrainUrl = mapInfo.service + '@' + mapInfo.host + ':' + mapInfo.port;
• let layer = __g.objectManager.create3DTileLayer(terrainUrl, "", "");
• if (mapInfo.visible) {
• layer.visibleMask = cw5.innerConfig.gviViewportMask.gviViewAllNormalView;
• } else {
• layer.visibleMask = cw5.innerConfig.gviViewportMask.gviViewNone;
• }
• return layer;
• };

• sceneLayerCtrl
  ```javascript

import { sceneLayerInnerUtils } from "./sceneLayerInnerUtils";
import { cw5 } from "../index.js";
export const sceneLayerCtrl= {};

const sceneLayerContainer={}

/**

• 加载地图配置信息 场景控制器核心
• mapInfo 地图配置信息 来自配置文件或自定义
• */
  sceneLayerCtrl.loadMapInfo = function(mapInfo) {
  let fc = null, fl = null;
  let type = mapInfo.type;
  try{
  switch (type) {
  case "raster":
  fl = sceneLayerInnerUtils.getRasterLayer(mapInfo);
  mapInfo.fl=fl;

 更多参考 https://xiaozhuanlan.com/topic/5946123078