<!-- Created by issues bot. DO NOT REMOVE. --> ### Existing Component 是 ### Component Name VcDrawings ### Description 1、在使用VcDrawings绘制轨迹polyline时候(已开启地形),并没有出现官网示例中的不可视为红色虚线,可视为绿色实线 2、VcDrawings绘制线段如何能够设置高度,另外线条的point能否用billboard代替 <!-- Created by issues bot. DO NOT REMOVE. -->