Forrest

### 🐛 Question description [Please make everyone to understand it] 只要开启默认吸附，直接报错，如何解决。 测试了多遍，推测应该是开始必须有一个图形，然后才能吸附。。。那么怎么动态开启吸附功能。。先画一个，然后Drawer销毁再配新的Drawer开吸附？ let polygonDrawer = null; scene.on('loaded', () => { polygonDrawer = new L7.Draw.DrawPolygon(scene, { adsorbOptions: {}, }); polygonDrawer.enable(); });...