There was a download of RadDisplay 1.1.1 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular version of the tool 1.1. This free software was originally designed by De Luminae.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. Commonly, this program's installer has the following filename: raddisplay.exe. The program lies within Photo & Graphics Tools, more precisely Viewers & Editors.
From the developer:
RadDisplay has been developed by De Luminæ Lab to answer two basic needs:
Image viewing:
Radiance simulation tool allows users to produce highly realistic images which contain a lot of information concerning light. However, the image format is specific and information about lighting within the image cannot be easily studied without the use of Radiance. Images are in "more classical" format and a textual analysis of them.
You may want to check out more software, such as Wire Pilot Plugin, ImageVisu or MooGUI, which might be similar to RadDisplay.