To change image, drag-and-drop an image file over the canvas
Low color
High color
Use mixed channel
Level
Red level
Green level
Blue level
Alpha level
Include red
Include green
Include blue
Include alpha
Opacity
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 threshold filter and apply it to the test entity
Update filter attributes and observe the effect they have on the entity