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LTB-Light is an application that permits natural and artificial lighting calculation with a color radiosity method applied to a finite elements plan.

LTB-Light runs under Apple Mac and implements OpenGL.

Data management take places through an internal powerful CAD system, directly in a perspective view. It is possible to introduce flatten surfaces with colored glazing, furniture, curved surfaces like cylinders, cones, ellipsoids, hyperboloids and complex objects like cross vaults.

LTB-Light is able to share information with other CADs through DXF and PICT files.

Light sources are totally

What's New

  • Implemented road optimization tool;
  • add menu with road lighting class following EN13201;
  • select special: add pop-menu to select all elements in a layer;
  • in the drawer button for creating userface, emptyhole, opaquehole, dim, wire added;
  • export report: possible to save more than one 'quality parameter' row;
  • Face and Road dialogue: add


OS X 10.5.8 or later

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LTB-Light User Discussion


Current Version (9.x)


Downloads 2,037
Version Downloads 456
License Shareware
Date 31 Oct 2013
Platform OS X / Intel 32
Price $2,500.00
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