# Scrawl-canvas v8 - Filters test 505

## SVG-based filter example: noise

Base freq X
Base freq Y
Octaves
Scale
X channel
Y channel

#### Test purpose

- Create a test Picture entity
- Create an SVG fractal noise filter
- Apply the filter to the entity
- Update the SVG filter's settings; check that they display on the entity as expected

Known issue: Webkit-based browsers (for instance, Safari) have not yet implemented the Canvas context 'filter' attribute functionality.

Touch test: not required

Annotated code