ArrayCAD

Turns a venue drawing into the file a loudspeaker prediction tool can open — d&b ArrayCalc, L-Acoustics Soundvision or AFMG EASE Focus 3 — and converts between the three. An ArrayCalc venue is a few dozen parametric planes; a CAD export of the same theatre is tens of thousands of triangles, so the work is the reduction — weld, merge coplanar regions, recover each outline, and write it back as the quads and triangles ArrayCalc actually accepts. It also reads the drawing on the way in: layers named as dimensions, rigging or services are left out, plane types come off the names, banks of separately modelled seats become the audience plane they stand for, and meshed surfaces are re-cut from their own outlines — a seat-by-seat theatre plan lands as 17 objects instead of 3,710, all of it visible and one click from being put back. Reads DWG directly, DXF, glTF, IFC and the usual mesh formats, and MVR from any lighting visualiser — and writes MVR back, so the finished venue returns to the visualiser it came from. No 3D model? Drop a PDF or an image of the plan instead: set the scale, click inside a room to detect its outline, and type a height at each corner — level, raked, raised or sunk. The .dbacv format is undocumented; this reproduces a real export byte for byte and has been round-tripped through ArrayCalc itself until every object came back untouched.