AutoCAD 2008 - unable to change attenuation lamp type (and also 'use limits' option)

[ronie_ernanto]

Why attenuation lamp type (and also 'use limits' option) in A2008 can't be changed while lighting units set to International / American ? Anybody know how to change it?

[Mike.Perry]

Hi

Are you using Photometric Lights?

Have a good one, Mike

[ronie_ernanto]

Hi

Are you using Photometric Lights?

Have a good one, Mike

Oh yes of course, i forgot to mention that.

[Mike.Perry]

Hi

The below comes from the AutoCAD 2008 Online Help File [F1]...




When the drawing lighting units are photometric, the attenuation type property becomes disabled. Photometric lights have fixed, inverse-square attenuation.Plus the use of OpenGL and Direct 3D affects attenuation.

Have a good one, Mike

[ronie_ernanto]

Hi

The below comes from the AutoCAD 2008 Online Help File [F1]...

Plus the use of OpenGL and Direct 3D affects attenuation.

Have a good one, Mike

How about 'use limits' option? anybody knows how to make 'limited lamp' effect?