We have been using this tool internally for a few years now.
It was written to make the process of playing with lighting iterations quicker and more interactive… specially with the help of latest interactive renderings available.
Below is a video that more or less explain what it does:
We have decided to share this tool and make it accessible to everyone.
We are in the process of editing the code so the script can be used in different locations, and have added a few things.
Below is what the interface looks like at the moment.
We added recently the option to control the sun based on real time and geographic location, as well as the usage of a simple Corona/Vray Sky.
Stay tuned, we will be posting it soon, and hope it can help others as much as it helps us.