Using the matrix filter to create directional blur effects
To change image, drag-and-drop an image file over the canvas
Length
Angle
Profile
Sigma (for gauss profile)
Include red
Include green
Include blue
Include alpha
Premultiply
Use input as mask
Opacity
Memoize filter
To note: Javascript is not running in this browser environment. The canvas element is ignored; instead a placeholder image displays where the canvas would have appeared.
Test purpose
Create a test Picture entity
Create a matrix filter and apply it to the test entity
Update filter attributes and observe the effect they have on the entity