Probe Lighting
Use connected probes for lighting.
Probe Lighting
Method #
Creates dynamic reflections and lighting of a scene by rendering low-res sphereical captures of the scene (probes) and using their renders as a source for specular reflections and diffuse lighting.
A Point Cache may optionally be used to allow the reflection images to be generated more efficiently when there are a large number of probes to process. this can improve performance, at the cost of quality.
Materials that should show the reflection need to have Probe Lighting Reflections property enabled in their properties.
This nodes output can be connected to the Probe Grid node to generate a grid of points to draw from, or use Nulls to specify capture positions for the probes.
Parameters
These properties control the 3D transforms of the node. Transforms will generally be inherited by child nodes, although they can be ignored through the Inherit Transform Channels attributes.
Parameter Details
Position X Move along the local x-axis.
Position Y Move along the local y-axis.
Position Z Move along the local z-axis.
Rotation Heading Rotate around the local y-axis.
Rotation Pitch Rotate around the local x-axis.
Rotation Bank Rotate around the local z-axis.
Scale X Scale along the local x-axis.
Scale Y Scale along the local y-axis.
Scale Z Scale along the local z-axis.
Toggle which transform channels should be inherited from the parent node. By default, all transforms will be inherited.
Parameter Details
Position X Toggle inheritance of the X Position from the parent.
Position Y Toggle inheritance of the Y Position from the parent.
Position Z Toggle inheritance of the Z Position from the parent.
Rotation Heading Toggle inheritance of the Rotation Heading from the parent.
Rotation Pitch Toggle inheritance of the Rotation Pitch from the parent.
Rotation Bank Toggle inheritance of the Rotation Bank from the parent.
Scale X Toggle inheritance of the X Scale from the parent.
Scale Y Toggle inheritance of the Y Scale from the parent.
Scale Z Toggle inheritance of the Z Scale from the parent.
World Position Only Inherit the world position from the parent only, rotation and scale will be ignored. Overrides above properties.
Inherit Time Toggle inheritance of time from the parent.
These properties control the core behaviours of the node.
Parameter Details
Brightness The brightness of the reflections.
Map Size The size of the generated probe reflection image in pixels, for each probe.
Num Renders Per Frame The number of probes to process each frame, allowing a full update to be spread across multiple frames so that each individual frame can render in less time.
Dynamic When this is set on, the probes are continuously re-generated. When it is set off then the last-generated probe set is used. Setting this off can improve performance.
Show Probes Show the probe images that have been generated as textured spheres.
- None : No probes are shown
- Diffuse : Diffuse reflection images are shown
- Specular : Specular reflection images are shown
Probe Display Radius When probes are being shown, this property can be used to set their radius.
Inputs
These properties control the 3D transforms of the node. Transforms will generally be inherited by child nodes, although they can be ignored through the Inherit Transform Channels attributes.
| Parameter | Details |
|---|---|
| Position X | Move along the local x-axis. |
| Position Y | Move along the local y-axis. |
| Position Z | Move along the local z-axis. |
| Rotation Heading | Rotate around the local y-axis. |
| Rotation Pitch | Rotate around the local x-axis. |
| Rotation Bank | Rotate around the local z-axis. |
| Scale X | Scale along the local x-axis. |
| Scale Y | Scale along the local y-axis. |
| Scale Z | Scale along the local z-axis. |
Toggle which transform channels should be inherited from the parent node. By default, all transforms will be inherited.
| Parameter | Details |
|---|---|
| Position X | Toggle inheritance of the X Position from the parent. |
| Position Y | Toggle inheritance of the Y Position from the parent. |
| Position Z | Toggle inheritance of the Z Position from the parent. |
| Rotation Heading | Toggle inheritance of the Rotation Heading from the parent. |
| Rotation Pitch | Toggle inheritance of the Rotation Pitch from the parent. |
| Rotation Bank | Toggle inheritance of the Rotation Bank from the parent. |
| Scale X | Toggle inheritance of the X Scale from the parent. |
| Scale Y | Toggle inheritance of the Y Scale from the parent. |
| Scale Z | Toggle inheritance of the Z Scale from the parent. |
| World Position Only | Inherit the world position from the parent only, rotation and scale will be ignored. Overrides above properties. |
| Inherit Time | Toggle inheritance of time from the parent. |
These properties control the core behaviours of the node.
| Parameter | Details |
|---|---|
| Brightness | The brightness of the reflections. |
| Map Size | The size of the generated probe reflection image in pixels, for each probe. |
| Num Renders Per Frame | The number of probes to process each frame, allowing a full update to be spread across multiple frames so that each individual frame can render in less time. |
| Dynamic | When this is set on, the probes are continuously re-generated. When it is set off then the last-generated probe set is used. Setting this off can improve performance. |
| Show Probes | Show the probe images that have been generated as textured spheres.
|
| Probe Display Radius | When probes are being shown, this property can be used to set their radius. |
| Name | Description | Typical Input |
|---|---|---|
| Affected Objects | Choose which nodes are affected by the light node. by default, all are affected. | 3D Object |
| Point Cache | An optional point cache to use when generating the probe images. | Point Cache |