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GIMP Filters

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https://docs.gimp.org/en/filters.html

 

Chapter 17. Filters

 

 

Table of Contents

1. Introduction
1.1. Preview
2. Blur Filters
2.1. Introduction
2.2. Blur
2.3. Gaussian Blur
2.4. Selective Gaussian Blur
2.5. Motion Blur
2.6. Pixelise
2.7. Tileable Blur
3. Enhance Filters
3.1. Introduction
3.2. Antialias
3.3. Deinterlace
3.4. Despeckle
3.5. Destripe
3.6. NL Filter
3.7. Red Eye Removal
3.8. Sharpen
3.9. Unsharp Mask
4. Distort Filters
4.1. Introduction
4.2. Blinds
4.3. Curve Bend
4.4. Emboss
4.5. Engrave
4.6. Erase Every Other Row
4.7. IWarp
4.8. Lens Distortion
4.9. Mosaic
4.10. Newsprint
4.11. Page Curl
4.12. Polar Coords
4.13. Ripple
4.14. Shift
4.15. Value Propagate
4.16. Video
4.17. Waves
4.18. Whirl and Pinch
4.19. Wind
4.20. Apply Lens
5. Light and Shadow Filters
5.1. Introduction
5.2. Gradient Flare
5.3. Lens Flare
5.4. Lighting Effects
5.5. Sparkle
5.6. Supernova
5.7. Drop Shadow
5.8. Perspective
5.9. Xach-Effect
5.10. Glass Tile
6. Noise Filters
6.1. Introduction
6.2. HSV Noise
6.3. Hurl
6.4. Pick
6.5. RGB Noise
6.6. Slur
6.7. Spread
7. Edge-Detect Filters
7.1. Introduction
7.2. Difference of Gaussians
7.3. Edge
7.4. Laplace
7.5. Neon
7.6. Sobel
8. Generic Filters
8.1. Introduction
8.2. Convolution Matrix
8.3. Dilate
8.4. Erode
9. Combine Filters
9.1. Introduction
9.2. Depth Merge
9.3. Filmstrip
10. Artistic Filters
10.1. Introduction
10.2. Apply Canvas
10.3. Cartoon
10.4. Clothify
10.5. Cubism
10.6. GIMPressionist
10.7. Oilify
10.8. Photocopy
10.9. Predator
10.10. Softglow
10.11. Van Gogh (LIC)
10.12. Weave
11. Decor Filters
11.1. Introduction
11.2. Add Bevel
11.3. Add Border
11.4. Coffee Stain
11.5. Fuzzy Border
11.6. Old Photo
11.7. Round Corners
11.8. Slide
11.9. Stencil Carve
11.10. Stencil Chrome
12. Map Filters
12.1. Introduction
12.2. Bump Map
12.3. Displace
12.4. Fractal Trace
12.5. Illusion
12.6. Make Seamless
12.7. Map Object
12.8. Paper Tile
12.9. Small Tiles
12.10. Tile
12.11. Warp
13. Rendering Filters
13.1. Introduction
13.2. Difference Clouds
13.3. Fog
13.4. Plasma
13.5. Solid Noise
13.6. Flame
13.7. IFS Fractal
13.8. Checkerboard
13.9. CML Explorer
13.10. Diffraction Patterns
13.11. Grid
13.12. Jigsaw
13.13. Maze
13.14. Qbist
13.15. Sinus
13.16. Circuit
13.17. Fractal Explorer
13.18. Gfig
13.19. Lava
13.20. Line Nova
13.21. Sphere Designer
13.22. Spyrogimp
14. Web Filters
14.1. Introduction
14.2. ImageMap
14.3. Semi-Flatten
14.4. Slice
15. Animation Filters
15.1. Introduction
15.2. Blend
15.3. Burn-In
15.4. Rippling
15.5. Spinning Globe
15.6. Waves
15.7. Optimize
15.8. Playback
16. Alpha to Logo Filters
16.1. Introduction
16.2. 3D Outline
16.3. Alien Glow
16.4. Alien Neon
16.5. Basic I & II
16.6. Blended
16.7. Bovination
16.8. Chalk
16.9. Chip Away
16.10. Chrome
16.11. Comic Book
16.12. Cool Metal
16.13. Frosty
16.14. Glossy
16.15. Glowing Hot
16.16. Gradient Bevel
16.17. Neon
16.18. Particle Trace
16.19. Textured

 

 

1. Introduction

 

A filter is a special kind of tool designed to take an input layer or image, apply a mathematical algorithm to it, and return the input layer or image in a modified format. GIMP uses filters to achieve a variety of effects and those effects are discussed here.

 

The filters are divided into several categories:

 

 

1.1. Preview

 

Most filters have a Preview where changes in the image are displayed, in real time (if the “Preview” option is checked), before being applied to the image.

 

Figure 17.1. Preview submenu

Preview submenu

Right clicking on the Preview window opens a submenu which lets you set the Style and the Size of checks representing transparency.


https://alvinalexander.com/design/gimp-catalog-filters-effects-examples-cheat-sheet

 

A gallery of 130+ Gimp filters/effects

 

By Alvin Alexander. Last updated: July 20 2017

 

 

Summary: This page shows over 130 examples of what you can accomplish with filters and other effects in Gimp. If you know how to use Gimp and just want a reference page of what the effects look like, I hope these examples are helpful.

Introduction

There are so many filters available with Gimp — and no simple way to preview them all — that I forget what they all look like. To help with this problem, I created this page as a “Gimp filters cheat sheet” to help remind me of what all the filters look like.

As a result, this page shows over 130 examples of Gimp effects that are applied one at a time to a photograph I took of Denali when I lived in Talkeetna, Alaska. I put the name of each filter/effect to the right of each image.

Note that these are “one at a time” effects; you can combine filters together to achieve an infinite number of possible effects. Also, most of these effects have different controls that you can adjust; in most cases here I have just used the default values.

The original image

Before showing all the different Gimp effects, here’s the original image:

Artistic effects

These examples show the effects you can find under the Filters > Artistic menu:

artistic > apply canvas

artistic > cartoon

artistic > cubism

artistic > gimpressionist

(There are many Gimpressionist options.)

artistic > glass tile

artistic > oilify

artistic > photocopy

artistic > predator

artistic > softglow

artistic > van gogh

artistic > weave

Beautify

These are examples of the filters you can find under Filters > Beautify > Beautify.

beautify > art > color pencil

beautify > art > life sketch

beautify > art > relief

beautify > art > sketch

beautify > black and white

beautify > fashion > astral

beautify > fashion > pick light

beautify > gradient > beam gradient

beautify > gradient > rainbow gradient

beautify > gradient > sunset gradient

beautify > invert

beautify > lomo > recall

beautify > lomo > retro

beautify > smart color

beautify > smart color (50) + strong contrast (20)

beautify > studio > abao

beautify > studio > cold blue

Blur

These are examples of the filters you can find under the Filters > Blur menu:

blur > blur

blur > focus blur

blur > pixelize (3 pixels)

blur > pixelize (rectangular selection)

blur > gaussian blur

In the next image I (a) quickly selected the trees, (b) inverted that selection, then did a Gaussian blur on the background. This is a really nice technique to use when you have people in the foreground and stuff in the background that you don’t care about. The result in this case is that the trees look sharp, and the background is blurred:

gaussian > blur (background blur only)

Combine

This is an example of an effect under the Gimp Filters > Combine menu:

combine > filmstrip of several images

Decor

These images show the effects under the Filters > Decor menu:

decor > coffee stain

decor > fuzzy border

decor > old photo

decor > perspective reflection

decor > rounded corners

decor > slide

Distorts

These images show examples from under the Gimp Filters > Distorts menu:

distort > apply lens

distort > blinds

distort > curve bend

distort > emboss

distort > erase every other row

distort > iwarp (move down)

distort > iwarp - swirl

distort > lens distort (main +45)

distort > lens distort (main -45)

distort > lens (edge, negative)

distort > mosaic (many options)

distort > mosaic (squares)

(I should have made the next two images “transparent” PNGs. The lines/stripes are because I did not do that.)

distort > page curl

distort > polar coordinates

distort > ripple (many options)

distort > shift horizontal

distort > value propagate (many options)

distort > video, striped

distort > waves (many options)

distort > whirl and pinch

distort > wind (many options)

Edge detect

These examples show the effects under the Gimp Filters > Edge menu:

edge > detect edge

edge > detect neon

edge > detect sobel

Generic

generic > dilate

generic > erode

Light and Shadow

These examples are under the Filters > Light and Shadow menu:

light-shadow > gradient flare, bright star

light-shadow > gradient flare

light-shadow > lens flare

light-shadow > lighting effects, default

light-shadow > lighting effects, drop shadow

light-shadow > lighting effects, more glowing, less shiny

light-shadow > lighting effects, sparkle

light-shadow > lighting-effects, supernova

light-shadow > lighting-effects, xach effect

Map

These examples show the effects under the Filters > Map menu:

map > bump map (many options)

map > displace, cartesian

map > displace, pinch, polar smear

map > fractal trace

map > illusion (2)

map > illusion (7)

map > make seamless

map > map to object, cylinder

map > map to object, sphere

map > resynthesize

map > small tiles

map > warp (default)

Noise

These examples show the filters under the Filters > Noise menu:

noise > hsv noise

noise > hurl (low values)

noise > noise generator, gauss (13)

noise > noise generator, laplace(9)

noise > noise generator, lorentz(2,5)

noise > noise generator, photons

noise > pick (higher values)

noise > pick

noise > rgb noise

noise > slur (5 times)

noise > spread(6)

Render

These example show the effects under the Filters > Render menu:

render > clouds > difference clouds

render > clouds > fog

render > clouds > plasma (as a layer)

render > clouds > solid noise (as a layer)

render > lava (as a layer)

render > lava

render > line nova (more options)

render > nature > flame

render > pattern > grid

render > pattern > jigsaw

Rip border

These examples show the effects under the Filters > Beautify > Border > Rip Border menu:

rip-border > 1

rip-border > 4

Simple Border

These examples show the effects under the Filters > Beautify > Border > Simple Border menu:

simple-border > 18

simple-border > 2

simple-border > 25

simple-border > 27

simple-border > 3

simple-border > 5

simple-border > 6

Texture Border

These examples show the effects under the Filters > Beautify > Border > Texture Border menu:

texture-border > 1

texture-border > 8

Script-Fu

Paul Sherman at gimphelp.org has kept many of the Script-Fu scripts running. (You have to install these scripts manually, and I’ll write about that process soon.) I run into errors when running some of the scripts with Gimp 2.8 on Mac OS X, but these scripts work well:

effects > reflection

photo > pastel portrait

sketch > line sketch

sketch > pastel sketch

sketch > pencil sketch

sketch > pencil sketch(2)

sketch > quick sketch

sketch > roy lichtenstein

sketch > synthetic edges

sketch > toned line art

Tools

There are a million things you can do with the tools in Gimp. Here is just one example (so far), showing the effect of the Smudge tool across the trees:

tools > smudge

More examples

If that’s not enough to whet your appetite (and offer a little inspiration), click the following link (or image) for even more examples of Gimp filters and effects.

Summary

I hope these examples of Gimp filters are helpful. I’ll add more filters over time, especially the Script-Fu filters I just downloaded. In the meantime, if you use Gimp and can’t remember what all of those filters do, I hope these examples are helpful.

 


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