Question

使用产品：iserver-11.0.1 操作系统：win11 x64
数据类型： pgsql数据库型工作空间
问题详细描述：我想在原生cesium上加载地图服务，现在能成功加载，但是是转换成地图切片了，加载速度很慢，想问一下怎么修改代码能够更快速的加载呢，比如不用切片的方式
 

 addSuperMapLayer(url) {
      //this.clearAllEntitys();
      fetch(url + ".rjson?token=" + this.token)
        .then((response) => response.json())
        .then((result) => {
          const epsgCode = result.prjCoordSys.epsgCode;
          const rectangle = Cesium.Rectangle.fromDegrees(-180, -90, 180, 90);
          let tilingScheme;
          let originx, originy;
          let minLevel = 0;
          let maxLevel = 22;

          if (epsgCode === 4326) {
            tilingScheme = new Cesium.GeographicTilingScheme({
              numberOfLevelZeroTilesX: 2,
              numberOfLevelZeroTilesY: 1,
            });
            originx = -180;
            originy = 90;
          } else if (epsgCode === 3857) {
            tilingScheme = new Cesium.WebMercatorTilingScheme();
            originx = -20037508.34;
            originy = 20037508.34;
          }

          const layerProvider = new Cesium.UrlTemplateImageryProvider({
            url:
              url +
              "/tileImage.png?token=" +
              this.token +
              "&transparent=true&cacheEnabled=true&width=256&height=256&x={x}&y={y}&scale={scale}&redirect=false&overlapDisplayed=false&origin={'x':" +
              originx +
              ",'y':" +
              originy +
              "}",
            rectangle: rectangle,
            minimumLevel: minLevel,
            maximumLevel: maxLevel,
            tilingScheme: tilingScheme,
            customTags: {
              scale: (imageryProvider, x, y, level) => {
                return epsgCode === 4326
                  ? this.scales84[level]
                  : this.scalesWeb[level];
              },
            },
          });

          window.viewer.imageryLayers.addImageryProvider(layerProvider);
        })
        .catch((error) => {
          console.error("Error loading SuperMap layer:", error);
        });
    }, scales84: [
        3.38032714321e-9, 6.76065428641e-9, 1.352130857282e-8,
        2.704261714564e-8, 5.408523429128e-8, 1.0817046858257e-7,
        2.1634093716514e-7, 4.3268187433028e-7, 8.6536374866056e-7,
        1.73072749732112e-6, 3.46145499464224e-6, 6.92290998928448e-6,
        1.3845819978568952e-5, 2.7691639957137904e-5, 5.538327991427581e-5,
        1.1076655982855162e-4, 2.2153311965710323e-4, 4.4306623931420646e-4,
        8.861324786284129e-4, 0.0017722649572568258, 0.0035445299145136517,
        0.007089059829027303,
      ],
      scalesWeb: [
        1.6901635716e-9, 3.38032714321e-9, 6.76065428641e-9, 1.352130857282e-8,
        2.704261714564e-8, 5.408523429128e-8, 1.0817046858257e-7,
        2.1634093716514e-7, 4.3268187433028e-7, 8.6536374866056e-7,
        1.73072749732112e-6, 3.46145499464224e-6, 6.92290998928448e-6,
        1.3845819978568952e-5, 2.7691639957137904e-5, 5.538327991427581e-5,
        1.1076655982855162e-4, 2.2153311965710323e-4, 4.4306623931420646e-4,
        8.861324786284129e-4, 0.0017722649572568258, 0.0035445299145136517,
        0.007089059829027303,
      ],

Answer 1

您好，原生的话您可以考虑使用Cesium_S3MLayer_Plugins插件加载

 https://github.com/SuperMap/iClient3D-for-WebGL

或者将原服务切图后，发布wmts服务。

效率上相对来说，栅格瓦片的效率才是最快的。

希望可以帮助到您。