G’MIC Upscale scale2x node

This documentation is for version 0.3 of G’MIC Upscale scale2x.

Description

Note:

This filter re-implements the scaling algorithm described at :

http://scale2x.sourceforge.net

This filter is useful for resizing images that have very few colors

(e.g. indexed images). It is generally useless for true colors images.

Author: David Tschumperle. Latest update: 2010/29/12.

Wrapper for the G’MIC framework (http://gmic.eu) written by Tobias Fleischer (http://www.reduxfx.com).

Inputs

Input Description Optional
Input   No

Controls

Parameter / script name Type Default Function
Scaling factor / Scaling_factor Choice x 2

x 2
x 3
x 4
x 6
x 8
x 9
x 12
x 16
x 18
x 27
Colorbase / Colorbase Choice RGB

RGB
YCbCr
Lab
Output Layer / Output_Layer Choice Layer 0

Merged
Layer 0
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Layer 7
Layer 8
Layer 9
Resize Mode / Resize_Mode Choice Dynamic

Fixed (Inplace)
Dynamic
Downsample 1/2
Downsample 1/4
Downsample 1/8
Downsample 1/16
Ignore Alpha / Ignore_Alpha Boolean Off  
Preview/Draft Mode / PreviewDraft_Mode Boolean Off  
Log Verbosity / Log_Verbosity Choice Off

Off
Level 1
Level 2
Level 3