[Radiance-general] View from sun position

[Guglielmetti, Robert]

John Mardaljevic shared a nifty little shell script at the 2003 Radiance Workshop that automated the generation and rendering of solar viewpoints for a whole day; it leveraged this information from Gensky as Thomas points out. I used John's script a few times for work and modified it for an art project as well, but I cannot find any of that stuff at the moment. If I unearth it I'll post a sample of John's code, but as Thomas points out Gensky gives you most of the info you need to do this.

- Rob

On 7/3/15, 6:23 AM, "Thomas Bleicher" <tbleicher at gmail.com<mailto:tbleicher at gmail.com>> wrote:

Gensky gives you the sun angle as a comment. You still have to convert it to a view vector and calculate the actual camera location yourself.


Achim Geissler <achim.geissler at intergga.ch<mailto:achim.geissler at intergga.ch>> wrote:
Dear all,


it should be possible to automate a viewpoint as "view from the sun position" in order to generate a sequence of images over a day, for example. Sadly, I was unable to find anything on the net or in Rendering with Radiance to this end. Does anyone know a good source - I would want to avoid having to do the vector maths, myself ;o) ?


Thanks.


Best
Achim


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