Script-Fu

RSS Lightsaber (LSE) v0.9

spoilt_exile — Tue, 17 Nov 2009 23:26:13 +0100

RSS Lightsaber (or LSE) is a simple script for creating lightsaber effect in picture. The script base on my own algorithm.
Features:

Fast script's execution.
Independent setting for blur size of the lightsaber's core and glow around saber.
Some features to provide correct effects on extra large photos (above 20 Mp).

The basic documentation is inside archive. Enjoy!
Next release (v1.0 with new documentation and lessons) in December 2009.

Blur & Shadow

Guillaume57 — Tue, 17 Nov 2009 13:32:46 +0100

Creates a picture which is a duplication of the current picture blured as background,
and the current picture itself reduce with a border and shadow around it as foreground

Example:
Original picture :
Result picture :

Adjustment Layer Script

elsamuko — Fri, 13 Nov 2009 18:44:22 +0100

This script generates two adjustment layers from the two layers on the top, A is the original image layer, B the modified (e.g. sharpened) one on top:
A - B = C
B - A = D
A - C + D = B

Now you can apply further editing and "switch on/off" the adjustment by switching the visibility of the subtractive and the additive layer. Also you can change the modification intensity by changing the intensity of these two layers.

Copy it into the scripts folder from GIMP, you will find it then under Layer -> Adjustment Layers:
http://docs.gimp.org/2.6/en/install-script-fu.html

Example image:
http://www.flickr.com/photos/28653536@N07/4113253102/

Left: B A
Right: D C A B

Finally a big thank you to Shelly and Roy from the Flickr GIMP group:
http://www.flickr.com/photos/shelly-and-roy/

Script-fu inverse-visibility-active-layer

Hevan53 — Thu, 12 Nov 2009 12:59:26 +0100

This script inverse the visibility of the active layer. It is very useful because you can give it a short cut and use the mouse only on your image!

Script-fu all-visible-or-all-invisible

Hevan53 — Thu, 12 Nov 2009 12:57:49 +0100

This script set all layers visible or invisible. Don't download it if you have downloaded Script-fu-yin-yang.zip.

Script-fu Yin-Yang

Hevan53 — Thu, 12 Nov 2009 12:54:56 +0100

This script create a yin-yang figure inside an image. In the package there are : script-fu-yin-yang.scm and all-visible-or-all-invisible.scm (because the first script depends of the second script).

Quadrupole

theilr — Thu, 12 Nov 2009 05:26:01 +0100

Takes an image, makes four 1/4 scale copies, and reflects them about vertical and horizontal axes to achieve a four-fold symmetry.

Note: As well as being atrociously inefficient (eg, by scaling the same image four times, instead of making copies after the first scaling), this code does substantially less than the "Small Tiles" dialog (which comes standard in Gimp in /Filters/Map)

Cheap HDR

theilr — Thu, 12 Nov 2009 05:05:32 +0100

Provides a kind of poor-man's HDR (high dynamic range). It doesn't actually increase the dynamic range; in fact, it decreases it, overall, but in a way that maintains local contrast. But this gives you some headroom to increase the contrast of the image overall, thus enhancing the local contrast.

Jagged Border

theilr — Thu, 12 Nov 2009 04:48:18 +0100

Creates a white (or black) border around an image that merges in with the image so that on a larger white (or black) background, the image appears to have a ragged border. This is similar to the Gimp's Fuzzy Border, but it adapts its jaggedness to the image. (Also unlike Fuzzy Border, it is deterministic, it does not depend on random number seeds.)

Some examples of what I mean by a jagged border that "adapts" to the image, which also illustrate the difference between a white and black border (it's not just the color), are shown in this triplet of images:

http://www.flickr.com/photos/theilr/4102672801
no border

http://www.flickr.com/photos/theilr/4103434084
white border

http://www.flickr.com/photos/theilr/4103433020
black border

An example (with a short animation) that shows how they are created:
http://www.flickr.com/photos/theilr/3644571097

Draw arrow

B-Ranger — Wed, 11 Nov 2009 16:47:35 +0100

Update [11/15/2009] : Added fixed brush width and double headed error, removed bug 1) one-point-paths, 2) horizontal paths
Update [11/16/2009] : Fixed image type restriction string
Update [11/19/2009] : Added feature for absolute wing length, fixed handling gray-scale images

This plugin enables GIMP to draw an arbitrary arrow into an image or a new layer. The plugin has reasonable default values for every paramtere but is freely adjustable to ones needs. Parameters are:

wing length and line width freely adjustable (relative & absolute)
angle between arrow tail and wing
optional draw arrow in new layer
optional filled or not filled head
optional notch in arrow head
optional delete used path
optional draw double headed arrow

Usage:
Create a path (usually <B>) with the head of the arrow (first anchor point) and the end of the tail (second anchor point). Then call the script which adds itself to the "Tools" menu (I use <AltGr+P> as the shortcut as "Pfeil" is the german word for arrow).

ToDo:

Write documentation (any one can help me with that and knows how to?)
Open for suggestions
Enable a more angularly arrow

You can also contact me via ICQ #52712314 and Jabber/XMPP Hoffmann.P@jabber.ccc.de