您好,我用HypsometricSetting相关方法给白膜贴图,请问该方法底层是geojson添加吗?如果是的话当建筑物数量较多的时候会不会影像效率?
function setHypsometric(layer) {
hyp.emissionTextureUrl = "../img/index/buildbackimage.png";
hyp.emissionTexCoordUSpeed = 0.25;
layer.hypsometricSetting = {
hypsometricSetting: hyp,
}
}