![]() We've decimated file sizes from the order of 200MB (when using the rhino mesher) to 30MB. We've been recently working pretty hard on ensuring that we can generate compact and efficient faceted breps from the accurate physical nurbs geometry in Rhino/Grasshopper so that a Building Information Model can also be provided within the IFC2x3 model schema. Refer to this image and this description. I'd really like to see revolutions used more commonly as the impact on many file sizes would be dramatic.īut a faceted brep can have any number of edges, and nominate internal bounds for openings. If a shape representation isn't an extrusion, then commonly it's meshed into faceted faces with 3 or 4 edges. In Ifc2x3 data exchange, only a primitive model is required as the vast majority of implementations are developed with the use case of coordination in mind.
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