Color / Red / Green / Blue
Sets the RGB color/tint of the USD Projector light.
Use channel-specific controls when the operation should not affect all components equally.
← Fusion node reference
USD / 3DAdvanced
uProjector
USD texture projector
Projects an image or light-like texture through the USD scene with projection mode, fit, ID, intensity, shaping and transform controls.
uProjector
DaVinci Resolve · Fusion
uProjector turns an image into a directed USD projection source. It can be used for texture projection, gobo-like lighting, environment matching and technical projector/catcher workflows where the receiving surface needs a stable Projector ID.
Overview
What uProjector does
uProjector turns an image into a directed USD projection source. It can be used for texture projection, gobo-like lighting, environment matching and technical projector/catcher workflows where the receiving surface needs a stable Projector ID.
Mental model
Think of uProjector as a slide projector inside the USD scene: a texture is emitted through a virtual projection frustum and lands on geometry according to the projector transform.
Common uses
Texture projection onto USD geometry
Gobo and patterned lighting
Set-extension projection
Projector/catcher technical passes
Camera-like image placement
Flow anatomy
Inputs & outputs
The port structure shows how this node fits into a Fusion graph.
SceneInput
Existing USD or 3D stage that receives this node or provides the scene context.
uProjector
Fusion node
SceneOutput
The resulting 3D scene or scene object.
Inspector
Important parameters
Start with these controls before reaching for more complicated workarounds.
Intensity
Sets the light intensity.
Exposure
Adjusts the light output in exposure stops.
Enable Color Temperature
Enables black-body color-temperature control for the USD/projector light.
Diffuse Response
Sets how strongly the USD projector contributes to diffuse material lighting.
Specular Response
Controls how strongly the projected image contributes to material specular highlights.
Decay Type
Selects the light falloff model.
Chooses how light intensity falls off with distance.
Decay Rate
Sets how quickly the light falls off with distance.
Shaping Focus
Adjusts how tightly the projector beam is focused.
Shaping Cone Angle
Sets the cone angle of the USD projector.
Normalize Intensity
Keeps projected-light intensity more consistent as the projector’s size or shape changes.
Fit Method
Controls how the source image fits the projection frame.
Projection Mode
Defines how the texture is projected.
Projector ID
Assigns an identifier that uCatcher can use for restriction.
Texture File / Browse
Loads the image used for projection.
Enable Shadows
Allows the USD/projector light to cast shadows.
Shadow Color / Density
Sets the density of generated or distributed elements.
Softness / Softness Quality
Sets the processing quality for this operation.
Use a lighter setting while building the comp if needed, then verify the final-quality result before render.
Shadow Map Size
Sets the resolution of the shadow map.
Higher values can sharpen shadow detail but increase render cost.
Shadow Map Bias / Offset
Sets offset for uProjector.
Translation / Rotation / Pivot
Sets the pivot used for rotation and scaling.
Move the pivot when the element needs to rotate or scale around a point other than its current center.
Use Target
Orients the object, light or camera toward a target point.
Use Target is convenient for aim-at rigs because the orientation follows the target as either element moves.
Export as Separate Stage
Outputs this operation as a separate USD stage instead of folding it into the incoming stage.
Practical setup
A reliable workflow
- 1
Load the target USD scene.
- 2
Add uProjector and choose the texture.
- 3
Select Projection Mode and Fit Method.
- 4
Position and aim the projector before increasing intensity.
- 5
Assign a Projector ID when catcher isolation is required.
- 6
Render and inspect stretch, clipping and material response.
Typical node chain
Texture→
uProjector→
USD Geometry→
uRenderer
Examples
Where this node fits in real work
Projected graphic
Project a logo or plate onto USD geometry.
uProjectoruMergeuRenderer
Projector catcher
Collect only one projector contribution.
uProjectoruCatcheruRenderer
Troubleshooting
Common mistakes
Using a projector to compensate for incorrect UVs when a real UV workflow would be cleaner.
Forgetting the Projector ID in multi-projector setups.
Judging projection fit without viewing from the render camera.
Production notes
Practical tips
Name Projector IDs in complex scenes.
Use a neutral material first when diagnosing projection geometry.
Keep projector transforms separate from target-geometry transforms.
Related nodes