
322 20. hare3d—Rendering Large Models in the Browser
Typically, the input of large CAD models is given in a semantic structure (e.g., as classical
scene graph or scene tree), which also serves as interface for the application developer to inter-
act with its content. As such input data does not necessarily provide any spatial relationships,
and hierarchical traversal might not derive the maximal benet from culling operations.
erefore, hare3d chooses a hybrid approach, where dierent subtree congurations
can be mixed in a single application, by allowing spatial data structure nodes to be inserted
at any point in the hierarchy. e collected Drawables ...