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TransformIntermediateKrokodove · Resolve 21

Stretch

Line-to-line directional deformation

Stretches or compresses an image by mapping a source line to a destination line.

This tool belongs to the Krokodove set integrated into DaVinci Resolve 21 and Fusion Studio 21. See the complete Krokodove node list and the comparison with native Fusion tools.
Stretch
DaVinci Resolve · Fusion

Stretch is a directed deformation tool that can pull imagery along a chosen line rather than scaling the entire frame uniformly.

Overview

What Stretch does

Stretch is a directed deformation tool that can pull imagery along a chosen line rather than scaling the entire frame uniformly.

Think of drawing a line on the source and then moving that line to a new position and length: the image follows the mapping.

Mental model

Think of drawing a line on the source and then moving that line to a new position and length: the image follows the mapping.

Common uses

Directional reveals
Elastic title motion
Local graphic stretching
Transition pulls
Shape-aligned deformation

Flow anatomy

Inputs & outputs

The port structure shows how this node fits into a Fusion graph.

Image Input

Source image for the operation.

Effect Mask

Optional mask that limits where the node affects the image.

Stretch
Fusion node

Image Output

The processed result from this node.

Inspector

Important parameters

Start with these controls before reaching for more complicated workarounds.

Type

Chooses the stretch construction mode.

Source Start X/Y

Sets the X/Y coordinates for Source Start.

Source End X/Y

Sets the X/Y coordinates for Source End.

Destination Start X/Y

Sets the X/Y coordinates for Destination Start.

Destination End X/Y

Sets the X/Y coordinates for Destination End.

Source and Offset

Provides an offset-driven alternative workflow.

Practical setup

A reliable workflow

  1. 1

    Define the source line.

  2. 2

    Define the destination line.

  3. 3

    Compare the chosen Type modes.

  4. 4

    Keep the stretch moderate at first.

  5. 5

    Inspect texture quality and alpha.

Typical node chain
Source
Stretch
Output

Examples

Where this node fits in real work

Elastic title

Stretch a title along its reading direction.

Text+StretchMerge

Directional transition

Pull an image toward a destination line.

MediaInStretchDissolve

Troubleshooting

Common mistakes

Pushing Stretch farther than the source resolution can support
Animating several Stretch controls that fight each other instead of choosing one clear primary control
Judging Stretch edge quality only in a proxy or reduced-resolution Viewer

Production notes

Practical tips

Keep the main Stretch transform logic together instead of scattering equivalent adjustments across several nodes.
After a strong Stretch deformation, inspect image edges and alpha for stretching or resampling artifacts.
Preview animated Stretch work at normal playback speed as well as frame by frame.

Related nodes