9

Radiosity Controls 63
1.
Create or load a scene containing the
appropriate geometry for lighting. There is no
need to adjust any sca le fac tors.
2. OntheCreatepanel,clickLights.
Standard is the default choice of light type.
3. IntheObjectTyperollout,clickalighttype
such as Target Spot.
4. Draginaviewport.Theinitialpointofthedrag
is the location of the sp otlight, and the point
whereyoureleasethemouseisthelocationof
the target.
The light is now part of the scene.
5. Set the creation parameters for the light.
6. Click Render Scene to preview the
lighting.
Make any changes you need to adjust the
rendering.
7. Choose Rendering > Advanced Lighting to
display the Advanced Lighti ng panel. On
the Select Advanced Lighting rollout, choose
Radiosity as the advanced lighting type.
The rollouts for radiosity are displayed.
8. On the Radiosity Processing rollout, u nder
Interactive To ols, click Setup to display the
Environment panel (page 3–272) where you set
exposure controls.
Note: Theexposurecontrolsallowyouto
controlonlytheintensityoftheindirect
lighting. 3ds Max retains the original intensity
and effect for the direct lighting.
9. On the Exposure Control rollout of the
Environment panel (page 3–272),choose
Logarithmic Exposure Control from the
drop-down list.
10. On the Logarithmic Exposure Contr ol rollout
(page 3–297),turnonAffectIndirectOnly.
11. Onthesamerollout,usethePhysical
Scale setting to assign the standard light a
photometric value in candelas.
12. Click Render Scene to render the scene
after radiosity processing.
Interfa ce
Radiosity controls appear as rollouts on the
Advanced Lighting panel of the Render Scene
dialog. To choose radiosity, use the Select
Advanced Lighting rollout (page 3–44).
Radiosity Processing Parameters Rollout (page
3–64)
Radiosity Meshing Parameters Rollout (page 3–67)