Free Downloads

From this page you may download various files from 43D ApS.

Any questions may be directed to support@43d.com.

Free Trial Version of Topos R2 (60 MB).

Download a free trial version of Topos R2. The trial version is a fully functional version of Topos R2, but is time limited to 30 hours of effective use, and watermarks all visuals. Two demo workspaces are also included to get you started. You may use this to try out Topos R2 and evaluate it on your own data, but commercial use is prohibited.

System Requirements: Windows XP SP 2, or Windows Vista 32bit, 512 MB RAM, 100 MB free harddisk space, a Pentium 4 or newer processor, a modern OpenGL graphics card (OpenGL 1.2 or later) with 64 MB RAM or more (typically a GeForce 5, 6, 7, 8 or 9 series card or an ATI Radeon 9600+, X600+, X1600+ or HD2xxx, HD3xxx series). See also the system requirements page.

Videos produced of the Lewis wind farm

Video produced by 43D ApS in Topos for AMEC of the Lewis wind farm development.

Topos Demo Video Installer (480 MB)

Installer for an (old) self-playing demonstration video of Topos R1.

World files for Ordnance Survey map tiles

World files that georeference OS map tiles are available here: They are just bulk-renamed versions of the .tfw files you can find at the OS web site, so that they will work with other image formats than TIFFs.

• World files for 1:10000 tiles (1.7 MB).
• World files for 1:25000 tiles (400 KB).
• World files for 1:50000 tiles (110 KB).