Trelis 16.4 User Documentation
ACIS is a proprietary format developed by Spatial Technologies. Trelis incorporates the ACIS third party libraries directly within the program. The ACIS third party libraries are used extensively within Trelis to import, export and maintain the underlying geometric representations of the solid model for geometry decomposition and meshing. There are many ways to get geometry into the ACIS format. ACIS files can be exported directly from several commercial CAD packages, including SolidWorks, AutoCAD, and HP PE/SolidDesigner. Third party ACIS translators are also available for converting from native formats such as Parasolid, Catia, Pro/E, and many others. Trelis also uses the ACIS libraries for importing IGES and STEP format files.
Trelis is also able to import geometry from an Gambit file.
Importing and creating geometry using the ACIS geometric modeling kernel currently provides the widest set of capabilities within Trelis. All geometry creation and modification tools have been designed to work directly on the ACIS representation of the model.