Category Archives: Post-Processing

Principles and tools for post processing

Creating Composites Workshop by Sharon and Rob Prenton Jones

Posted on January 11, 2024 by Geoff Shaw

Overview We had a fantastic day-long workshop on Jan 7th 2024, presented by Sharon and Rob Prenton Jones https://www.prentonjonesphotography.co.uk/news/live-workshop-in-australia/. They covered a range of topics including (apologies if I have forgotten any major topics – a lot was covered): Links … Continue reading →

Posted in beginner, compositing, Post-Processing, Resources, Workshops | Leave a comment

Adding a mist effect

Posted on January 8, 2024 by Geoff Shaw

Mist can enhance some images, and adding a misty effect in Photoshop is not difficult. Here is one approach, based on the method demonstrated by Sharon Prenton Jones at a WCC workshop, Jan 2024. In this work through I am … Continue reading →

Posted in Advanced Edits, Artistic, compositing, composition, How-to, Photo resources, Post-Processing, Software | Tagged , , , , , | Leave a comment

G’MIC

Posted on August 24, 2022 by Geoff Shaw

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 →

Posted in Advanced Edits, Artistic, Basic Edits, Post-Processing, Resources, Software | Tagged , , , | Leave a comment

Kaleidoscope effect

Posted on August 24, 2022 by Geoff Shaw

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 →

Posted in Advanced Edits, Artistic, Basic Edits, compositing, How-to, Post-Processing, Software | Tagged , , , , | Leave a comment

Geoff’s Photo Doodler

Posted on November 8, 2021 by Geoff Shaw

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 →

Posted in Advanced Edits, Artistic, beginner, compositing, How-to, Post-Processing, Software | 2 Comments

Triptych making in Photoshop and Lightroom

Posted on October 29, 2021 by Geoff Shaw

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 →

Posted in Advanced Edits, Artistic, beginner, compositing, How-to, Post-Processing | Tagged , , , | Leave a comment

Feathering

Posted on October 28, 2021 by Geoff Shaw

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 →

Posted in Basic Edits, beginner, compositing, glossary, Post-Processing, Software | Tagged , , , | Leave a comment

Pixel

Posted on October 28, 2021 by Geoff Shaw

Pixel. pixels are the basic elements of images. Each pixel is a point in the image and has associated values for the brightness of the colours that make up that pixel (Red,Green,Blue or RGB). Black is (0,0,0) ie no brightness … Continue reading →

Posted in Basic Edits, beginner, glossary, Post-Processing | Tagged | Leave a comment

Photopea – a free photoshop-like editor

Posted on July 31, 2021 by Geoff Shaw

Use it at https://www.photopea.com/ . This is an amazing project from a talented Czech Programer Ivan Kutskir. It comprises over 100,000 lines of code! This is an online program that you can run in your browser, with a photoshop-like interface … Continue reading →

Posted in Post-Processing, Software | Tagged , | Leave a comment

DigiKam

Posted on July 27, 2021 by Geoff Shaw

DigiKam is a free, open-source package for Linux, windows and macOS. It has strong digital asset management and a comprehensive processing workflow. It has powerful RAW file editing and a non-destructive workflow (edits are saved in a database). It supports … Continue reading →

Posted in File management, Post-Processing, Software | Tagged , | Leave a comment