功能（插件）列表

三维场景的功能开发基于插件实现

插件列表

position
rotation
scale
visible
id

on_set
on_toggle
on_stream
on_interval_emit
on_toggle_emit

stl_model
vtk_model

scene

orbit_control
trackball_control
look_control
wasd_control

select
raycaster
cursor

add_line_mesh

attr_panel
text_panel

background

rotating
clipping
video_control