Node reference

How to use Trails / Echo node in Oraphim

Use the Trails / Echo node in Oraphim. Learn its purpose, exact inputs, outputs, registered controls, example workflow, troubleshooting, and type ID motion.vfx.trails_echo.

Updated August 28, 2026

How to use Trails / Echo node in Oraphim

Type ID: motion.vfx.trails_echo
Category: Time

What this node does

The Trails / Echo node is registered in Oraphim's Time category and performs the graph operation represented by its sockets and controls below.

The current Oraphim runtime registers 4 sockets and 5 properties for this node. Its main registered inputs are Geometry, Layer; its main outputs are Geometry, Layer. The tables below are generated from the runtime registry rather than a handwritten approximation.

Inputs

Socket Key Type
Geometry in_geometry Geometry3D
Layer in_layer Object

Outputs

Socket Key Type
Geometry out_geometry Geometry3D
Layer out_layer Object

Controls

Control Key Type Group Registry default
Samples samples Int Echo 12.0
Time Offset timeOffset Float Echo -2.0
Decay decay Float Echo 0.8199999928474426
Blend Mode blendMode String Echo 0.0
Preserve Alpha preserveAlpha Bool Echo 1.0

How to use it

  1. Add Trails / Echo from node search. Use motion.vfx.trails_echo when you need the exact registry entry.
  2. Connect a compatible Geometry3D source to Geometry. Add the other inputs only when the operation needs them.
  3. Start with the registry defaults and adjust Samples, Time Offset, Decay first so you can see the node's effect in isolation.
  4. Route Geometry (Geometry3D) into a compatible downstream node, viewer, or output path.
  5. Preview a representative frame, change one input/control at a time, and save/reopen reusable graphs to verify persistence.

Practical example

Create a small test graph with Trails / Echo. Feed a compatible source into Geometry. Change Samples away from its registry default and compare the result. Connect Geometry to a compatible downstream stage so the result is visible. Keeping this test graph small makes socket-type, context, and parameter mistakes easier to diagnose before the node is used in a production graph.

Troubleshooting

  • If a connection is rejected, compare the exact socket data types in the tables above; Oraphim graph connections are typed.
  • If the result looks unchanged, confirm this node is on the active path to the viewer/output and that the expected graph/resource is selected.
  • If a control is unavailable, check required inputs and whether the property belongs to an internal or mode-dependent group.
  • If a saved graph behaves differently later, reopen it and verify node identity, connections, and edited property values before rendering.

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