ARCHICAD 22 supports the import of IFC model elements that have NURBS (non-uniform rational basis spline) geometry representation.

NURBS elements can be imported as either Morph elements or GDL Objects. In the latter case, the generated GDL Object keeps the original NURBS definition in its GDL script, enabling users to control the level of complexity at which the imported curved geometry is displayed in the ARCHICAD project.

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