Avid Andrew

You may want to change the color of an object or set of objects in a scene. Darktable provides several ways to achieve this effect, so let's take a look at a few different ways to turn the above car from orange to green.

In a stunning announcement yesterday, we learn that Q will be making a return in season 2 of Star Trek: Picard! This is certainly some good fortune! With this announcement, and the clear theme of time in the above trailer, I'd like to reflect on some possibilities for Season 2 …

There are many things I like about Mark Knopfler's work, both his solo albums as well as Dire Straits:

Personal Geography

The way he weaves memories from his own life (even seemingly mundane things) brings a personal connection to his music. For example, taking the train in Southbound Again, remembering …

This post provides an overview of how to use the new scene-referred workflow in darktable. See this article and the manual for an explanation of what scene-referred means and why you should use it over the display-referred workflow …

Throughout the past decade, in 2013, 2015, and 2018, I've written about what I believe to be the core of Star Trek and how a new series should carry on this important legacy. I am thrilled to report that Star Trek: Picard has fulfilled and surpassed these expectations. Let's explore …

Updated: 8/20/20

Below are some uplifting resources during this time of uncertainty and stress with the COVID-19 pandemic:

• Richard Davidson, the founder of the Center For Healthy Minds, discusses COVID-19 And Our Common Humanity. You can also use the Healthy Minds App to help manage stress during this …

I recently purchased an AMD Raedon RX 570 GPU in order to accelerate Darktable processing operations using OpenCL. It looks like ROCm, AMD's open-source OpenCL implementation, should work. However, the process to install ROCm and enable image support on Arch Linux was not intuitive, so I'm documenting it here.

Before …

A new version of Web Launcher, 1.3.x, is out now with the following major improvements:

• support for Lubuntu 18.04
• Wake-on-LAN capabilities to wake up Viewers from sleep (or even better manage Viewers which don't support WOL)
• improved auto-discovery of viewers, especially for the mouse
• support for automatically …

Mark Knopfler's latest solo album, Down The Road Wherever (YouTube), is perhaps his best work since Shangri-La. His other recent albums (even including Get Lucky, which I reviewed here), have felt too folky for my taste and lacked hints of Dire Straits rock. Down The Road Wherever reduces the folk …

Introduction

I find myself frequently working in high-contrast scenes which makes post-processing a challenge since adjustments to the exposure wreak havoc with colors and I often want to only selectively modify part of the image. Fortunately, Darktable's deeply-integrated LAB support and powerful parametric masks make these difficult shots easy …