如何从Cesium3DTileset控制原语的可见性

javascript复制const viewer = new Cesium.Viewer('cesiumContainer');
const tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
    url: 'path/to/your/tileset.json'
}));

tileset.style = new Cesium.Cesium3DTileStyle({
    show: {
        conditions: [
            ['${height} > 100', 'true'],
            ['true', 'false']
        ]
    }
});

javascript复制const viewer = new Cesium.Viewer('cesiumContainer');
const tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
    url: 'path/to/your/tileset.json'
}));

tileset.readyPromise.then(function() {
    tileset.featureFilter = new Cesium.Cesium3DTileFeatureFilter({
        conditions: [
            ['${height} > 100', 'true'],
            ['true', 'false']
        ]
    });
});

javascript复制const viewer = new Cesium.Viewer('cesiumContainer');
const tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
    url: 'path/to/your/tileset.json'
}));

tileset.readyPromise.then(function() {
    tileset.customShader = new Cesium.CustomShader({
        lightingModel: Cesium.LightingModel.UNLIT,
        fragmentShaderText: `
            void main() {
                if (czm_selectedFeature.height > 100.0) {
                    gl_FragColor = vec4(1.0); // Show
                } else {
                    discard; // Hide
                }
            }
        `
    });
});

javascript复制const viewer = new Cesium.Viewer('cesiumContainer');
const tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
    url: 'path/to/your/tileset.json'
}));

tileset.readyPromise.then(function() {
    const featuresLength = tileset.featuresLength;
    for (let i = 0; i < featuresLength; i++) {
        const feature = tileset.getFeature(i);
        if (feature.getProperty('height') > 100) {
            feature.show = true;
        } else {
            feature.show = false;
        }
    }
});