ron Integrates Rotoscoping and Painting Tools into Its Nodal Environment

Published on January 06, 2026 | Translated from Spanish
Screenshot of Natron software showing the nodal environment with Roto and RotoPaint nodes connected in a composition graph.

Natron Integrates Rotoscoping and Painting Tools into Its Nodal Environment

The digital compositing software Natron offers an integrated set of utilities for rotoscoping and painting directly over video sequences. These functions allow artists to generate masks manually and correct or remove unwanted elements within the image itself, all without leaving the program's characteristic nodal environment. 🎬

The Roto Node for Tracking and Isolating Elements

The Roto node is the main tool for rotoscoping. This process involves tracking the shapes of a moving object across a sequence, frame by frame. Users draw and animate Bézier splines to create a precise mask that can be used for multiple purposes.

Main uses of the Roto node:
  • Isolate objects: Separate an element from its original background for compositing.
  • Apply effects: Restrict a visual effect only to the area defined by the mask.
  • Extract elements: Create a clean alpha channel for the rotoscoped object.
Manual rotoscoping can be time-consuming, but the control and precision it provides justify the meticulous effort.

The RotoPaint Node for Touching Up and Cloning

The RotoPaint node expands capabilities by merging rotoscoping functions with painting, cloning, and erasing tools. This makes it ideal for complex touch-ups, such as removing safety wires, stains, or any unwanted element from the footage.

Key features of RotoPaint:
  • Painting and cloning: Correct imperfections or duplicate areas of the image.
  • Non-destructive work: All strokes and masks are managed as editable layers.
  • Layer organization: Keep the project organized within a single node.

Workflow within the Nodal Environment

Both tools operate within Natron's nodal workflow. Users connect the Roto or RotoPaint nodes in the graph, processing masking and painting operations in an integrated manner with the rest of the composition. This method offers great flexibility and control over each stage of the process, allowing adjustments at any time. Mastering these nodes is essential for any artist seeking total control over footage in post-production. 💻