Geometry Tessellation

CAD files are represented by thousands and sometimes millions of triangles. The CAD files loaded into Detect3D and in:Flux can be compressed to facilitate quick analyses. A default selection is made when loading CAD files and is dependent on the number of triangles in the CAD.


Notes on Geometries in Detect3D and in:Flux

  • If grated decks are defined in the geometry, for most Detect3D analyses, it is acceptable to remove these gratings and replace them with a solid floor as the randomize flickering effect of a fire is not commonly detected through gratings. For in:Flux you may leave the decks as grated or assign a porous region over solid decks depending on your site.

  • Remember that you can create geometry pieces using the CAD Creation Tool

  • For most geometries, even complex ones, the triangle count should not be greater than 3-4 million triangles. If you have geometries that are on the range of 5 million triangles or more, take a look at changing the Max. Chord Error mentioned earlier or attempt to separate or edit the CAD file.

  • Be knowledgeable about using third party triangle or mesh reduction capabilities and the options they have for exporting.


Once you have found appropriate settings for exporting and importing to and from Detect3D and in:Flux, you can re-use them on all projects.