QGIS: GDAL2Tiles
Generate TMS Tiles from GeoTIFF
Using gdal2tiles

Alternate
You can also generate tiles by Geoserver's GeoWebCache server.
Loading to CesiumJS
js
var tms = new Cesium.TileMapServiceImageryProvider({
url : '../images/cesium_maptiler/Cesium_Logo_Color',
fileExtension: 'png',
maximumLevel: 4,
rectangle: new Cesium.Rectangle(
Cesium.Math.toRadians(-120.0),
Cesium.Math.toRadians(20.0),
Cesium.Math.toRadians(-60.0),
Cesium.Math.toRadians(40.0))
});CesiumJS: TileMapServiceImageryProvider
js
addTdtMap(option: TdtMap) {
const imageryLayer = this.viewer.imageryLayers.addImageryProvider(
new Cesium.TileMapServiceImageryProvider({
url: option.url || (option.name && lib.config.URL_CONFIG[option.name]), // 获取配置
maximumLevel: option.maximumLevel || 19,
fileExtension: option.fileExtension || "png",
rectangle: Cesium.Rectangle.fromDegrees(
73.497551,
3.593695,
135.103684,
53.568958
),
})
)
imageryLayer.saturation = option.saturation || 1
return imageryLayer
}:::