GIMP

layer effects

Luminaciated Layer Effect

Giraffe_face_mara-small Giraffe_face_mara-luminanciated

I was reading about what an inverted luminosity layer can do to brighten an image, then I read about how the word luminosity gets misused in the world of computer graphics. Then I decided to misuse and misinterpret some graphics fundamentals for GIMP and write about the brightening affect that these new fundamentals have on other layers.

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Lumaverted Layer Effect

Giraffe_face_mara-small Giraffe_face_mara-luminanciated

Here is a less inventive and faster method for brightening dark and contrasty images.

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Luma* Layer Effects Compared

Giraffe_face_mara-small Giraffe_face_mara-luminanciated Giraffe_face_mara-lumaverted

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The JTLeveler Layer Effect

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There were two things I didn't know about GIMP when I first followed this tutorial, which was written for another GIMP from another millenia even. One thing was that this tutorial could be scripted. The other thing was that it had been scripted already.

This layer effect script adjusts the levels to JTL's suggestion in the tutorial.

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Accumulative Layer Effect

accumulation-original accumulation

A GIMP Layer Effect for enhancing clouds.

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Accumulative Layer Effect Script

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Script to get GIMP to make your digital sky images prettier.

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Exemplification Layer (or Dramatic Layer Effect)

decompose-RGB decompose-Red-RGB

A Layer Effect that will give a sense of the dramatic to land and sky scapes.

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Exemplification Layer Effect Script

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Script to show GIMP how to make what I call an exemplification layer effect

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Salubriousness Layer Effect

salubrious-crop salubrious-green-darkenonly-value-despeckled

A Layer Effect for healthy fleshtones.

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Salubriousness Layer Effect Script

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Script to show GIMP how to make what I call a layer of salubriousness effect.

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Differentiation Layer Effect

differentiation-original differentiation

Named Differentiate because it is a homonym to the word stark and the word unmitigate, a layer effect that multiplies landscape features in color images.

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Differentiation Layer Effect Script

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Script to show GIMP how to make what I call a layer of differentiation.

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Script for Canvas to Layer

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A script that makes GIMP reduce the canvas size to the selected layer.

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Simple

simple-original simple

Use this layer effect to turn a not so perfect of an image into this easier to visualize version of itself.

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Exclusion Layer Effect on Grayscale Images

einstein-levels

I was pointed at this list of instructions about how to make some exclusion layer that photoshop does with GIMP.

A few days later I trying to explain in real life how the message board exchange worked (with the author of the script mentioning that one button effects without some fine tuning per image was never going to be so good and tigerts talent.patch was mentioned again.

As I started to work with that effect, it occured to me that probably I am the one in need of the talent patch....

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Exclusion Layer Effect on Color Images

a companion piece for Sphere Designer Tasks

elvis-blue-exclusion

The original plan had been to use exclusion layer images of both Einstein and of Elvis. Using the instructions from GIMPTalk for Layer Exclusion effects.

I ran into several problems getting the images I needed to write about chauvinists and things my mom said about old crones. This demonstration is not an exception to these problems either.

Let's let Elvis Costello demonstrate this effect.

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Difference Difference

difference-original difference

An interesting layer effect where a difference of a difference has the same effect as doing nothing at all to the image to begin with.

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Difference Noise Difference

difference-noise-original difference-noise

A Noise Difference Difference layer effect that makes it look like image was of less resolution than it really is.

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Simple Difference Layer Scripting

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How to script GIMP to make the simple difference layer effect.

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Difference Difference Layer Scripting

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How to script GIMP to create a difference difference layer effect.

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Difference Noise Difference Layer Scripting

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How to script GIMP to make the difference noise difference layer effect.

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Sobel Grain Extract Layer Effect

grain-extract

Sobel Edge Detected layer in Grain Extract Mode.

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Laplace Grain Extract Layer Effect

grain-merge

Laplace Edge Detected layer in Grain Merge Mode.

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Laplace Grain Merge Layer Effect Script

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Script to show GIMP how to make specialized grain merge layer effects.

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Laplace Grain Merge Layer Effect Script

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Script to show GIMP how to make specialized grain merge layer effects.

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Neon Glow Layer Effect Script

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Script to show GIMP how to emulate the Neon Glow Script-fu using Layer Modes instead.

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Paths To Neon Glow Layer Effect

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Using the default color from the old, tried and true Neon Script-Fu Logo, I used a double effect layer to recreate that old Fu.

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Emulating Video Capture Events with Difference Layers

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Using these difference layers and some thoughtful plug-in filtering and you can make your high resolution crisp digital photograph look like a low quality video capture frame.