Teigha Blog

COLLADA is short for Collaborative Design Activity. DAE files are based on the XML COLLADA format, and they are used by various graphics programs to exchange digital assets under the same format. Each file consists of a set of elements that are images, lights, geometries, effects, materials, cameras, etc.

With Teigha you can create ACIS nurbs surfaces using a B-Rep Builder interface. Currently Teigha has two B-Rep Builder implementations: one in Teigha Kernel named AcisBrepBuilder and the other in Teigha BIM named BmBrepBuilder.

To create a boundary representation model (for example, a cone) with trimming loops, use the following steps:

ODA’s Facet Modeler uses boundary representation for solid modeling, also called the B-Rep technique.

A brief overview of bodies: