v0.6.2

Major Updates

1. Optimized Cesium Box clipping effect.
2. Added loadingEffectCenterType parameter for customizing the effect center point.
3. Separated Cesium and Three.js version code into independent packages.

Bug Fixes

1. Fixed occasional data corruption when loading LCC2 data in Cesium.
2. Fixed rendering anomalies on Lixel GPU cards.
3. Fixed LCC2 data orthographic rendering blurriness.

Removed Features

None