Author Archives: Geoff Shaw

WCC competition entries

The rules about what is allowed in your competition entries can be tricky, so this is an attempt to clarify what is and isn’t allowed, and is provided as a guide. The full details are available in the WCC by-laws … Continue reading

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Macro and close-up photography

Introduction These notes are meant to be a very brief introduction to Macro and Close-Up photography. There are many books (try your local libraries) that cover this area more comprehensively, as well as many online resources. A few are listed … Continue reading

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Recolouring Objects in Post Processing Software

Sometimes you may wish to recolour part of an image. Perhaps turn a black umbrella into a colourful red; perhaps change the colour of a dress; maybe change those red roses into the rare blue variety. Here are some notes … Continue reading

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G’MIC

G’MIC, GREYC’s Magic for Image Computing is a full-featured open-source framework for digital image processing. It includes a wealth of image processing filters (about 600 at the time I write this), and is available as a stand alone command line … Continue reading

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Kaleidoscope effect

Repeating patterns catch the eye, and the Kaleidoscope effect certainly provides plenty of repeating patterns. Kaleidoscopes use angled mirrors to produce repeated patterns (https://en.wikipedia.org/wiki/Kaleidoscope), but this effect is easily achieved also in software like Photoshop or GIMP. There are lots … Continue reading

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Robert and Sharon Prenton-Jones – Ukraine Recording

The recording is located here (IT MAY TAKE A WHILE FOR THE FILE TO OPEN/PLAY!): www.camversation.co.uk/ukraine Password is: UKRAINE (ALL-CAPITALS!)

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Generative Art

Early this year in one of the rare moments we were allowed to visit the NGV, I was entranced by the display in the foyer – a huge screen with an endlessly dynamic pattern, shifting and heaving and transforming. This … Continue reading

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Geoff’s Photo Doodler

The notes below should help get you started using my “Photo Doodler” program. First there is some background on what got me started on this project, then I give some examples, and then some brief instructions. Programming credits are at … Continue reading

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Triptych making in Photoshop and Lightroom

Geoff Shaw’s suggestions For some general comments on triptychs see HERE. This post will give a couple of approaches using Lightroom and using Photoshop. I use an example with the three images below (screen grab from my LR catalog). Lightroom. … Continue reading

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Feathering

Feather. This does not refer to plumage of birds, but the fuzziness in a selection or mask or brush. If you will forgive the visual pun, the image right illustrates on the left panel a hard selection (low feathering) with … Continue reading

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