Page History
...
Section | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Caustics Parameters
...
Section | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mode
...
Anchor | ||||
---|---|---|---|---|
|
...
Section | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Progressive Mode
...
The Progressive method doesn't need most of the controls used for traditional New Map mode, so the controls are grayed out. Only the Search distance (Pixels)control and the Multiplier have an effect on the result.
UI Text Box | ||
---|---|---|
| ||
Tips when working with progressive caustics: Required:
Optional:
Managing Expectations:
|
Advantages:
Fancy Bullets | ||
---|---|---|
| ||
|
Limitations:
Fancy Bullets | ||
---|---|---|
| ||
|
On Render End
...
Section | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
...
Anchor | ||||
---|---|---|---|---|
|
...
Example: Search Distance
For this example, the Caustics Multiplier is 80 (Light Attributes) and the rest of the parameters are at their default values. The
...
light used in the scene is VRaySun. The Caustics method is set to Progressive. The Multiplier is set to 15. Note that the Search Distance is in pixels.
Section | |||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
...
Here the caustics mode is New Map.
...
For this image, the light's Caustics Multiplier parameter in Light Attributes is set to 80 and the rest of the parameters are at their default values. As seen from the images, the larger Search distance produces blurrier caustics. The scene units are centimeters.
Section | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Anchor | ||||
---|---|---|---|---|
|
...
In this example the Caustics Multiplier parameter in Light Attributes is set to 80. The other parameters are at their default values. As can be seen, the larger number of subdivs produces grainier caustics effects. The Caustics mode is New Map.
Section | ||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ||||||||||||||||||||||||||||||||||||||||||||
|
...
In this example the Caustics Multiplier parameter in Light Attributes is set to 80 and the rest of the parameters are at their default values. VRaySun is used in this scene. As can be seen, the larger value of the Max photons parameter causes the caustics to appear much smoother. The Caustics mode used is New Map.
Section | |||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
...
This example shows how a light's photon emit radius affects the caustics effect. Here we use a VRaySun to light the scene. The Caustics Multiplier parameter in Light Attributes is set to 80 and the rest of the parameters are at their default values. The Caustics mode is New Map.
Section | |||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
...