# Spatial Direct Sun Studies with Fritted Glass

**URL:** <https://discourse.ladybug.tools/t/spatial-direct-sun-studies-with-fritted-glass/2803>\
**Category:** honeybee-legacy\
**Tags:** bsdf\
**Created:** [April 10, 2018, 1:35am UTC](https://discourse.ladybug.tools/t/spatial-direct-sun-studies-with-fritted-glass/2803 "2018-04-10T01:35:05Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![emmanuelgee](https://discourse.ladybug.tools/user_avatar/discourse.ladybug.tools/emmanuelgee/32/5423_2.png) [@emmanuelgee](https://discourse.ladybug.tools/u/emmanuelgee)\
**Post date:** [April 10, 2018, 1:35am UTC](https://discourse.ladybug.tools/t/spatial-direct-sun-studies-with-fritted-glass/2803/1 "2018-04-10T01:35:05Z")

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Chris…or anyone else!

I am a patreon member and watched your video regarding Spatial Direct Sun Studies. I have a project where I would like to do some testing and they plan to use fritted glass. You mentioned this as a way you made your lobby project become more suitable for sun glare. How did you do the test with the characteristics of fritted glass?

Thanks! Great Stuff!

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**Author:** ![vinicius\_petrucci](https://discourse.ladybug.tools/user_avatar/discourse.ladybug.tools/vinicius_petrucci/32/6794_2.png) [@vinicius\_petrucci](https://discourse.ladybug.tools/u/vinicius_petrucci)\
**Post date:** [April 10, 2018, 2:54am UTC](https://discourse.ladybug.tools/t/spatial-direct-sun-studies-with-fritted-glass/2803/2 "2018-04-10T02:54:15Z")

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Fritted Glass ,really is something fascinating, and yet very complex

I think the path is a BSDF simulation, which I’m trying to learn more about, The closest I came was these links and this python file produced by our friend sarith, I hope that in some way they can be useful and that lead you on the right path

there is still an article made by Mostapha

 ![Sem%20t%C3%ADtulo](https://discourse.ladybug.tools/uploads/default/original/2X/e/ea8cf48c1a949d2acf83012ad5e80111cf552a08.png)

> **[model | simulate | visualize](https://modsimvis.blogspot.com/)**
>
> Thoughts on things 3D

  
[https://www.radiance-online.org:447/pipermail/radiance-general/2002-June/000327.html](https://www.radiance-online.org:447/pipermail/radiance-general/2002-June/000327.html)  
[glaze.py](https://discourse.ladybug.tools/uploads/default/original/2X/7/7eb0bd87effe275e6bf132cd71075c4abccaa8d6.py) (22.2 KB)

there is something in the LBNL programs like the Window

[optical-model-fritted-glazing.pdf](https://discourse.ladybug.tools/uploads/default/original/2X/9/9f65a350de67236247b979966d9fc866320f34d0.pdf) (404.8 KB)

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**Author:** ![emmanuelgee](https://discourse.ladybug.tools/user_avatar/discourse.ladybug.tools/emmanuelgee/32/5423_2.png) [@emmanuelgee](https://discourse.ladybug.tools/u/emmanuelgee)\
**Post date:** [May 15, 2018, 3:38pm UTC](https://discourse.ladybug.tools/t/spatial-direct-sun-studies-with-fritted-glass/2803/3 "2018-05-15T15:38:22Z")

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Thank you both for responding…took me while to get to this, but hopefully I can work out a workflow!

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**Author:** ![MariaGrimm](https://discourse.ladybug.tools/user_avatar/discourse.ladybug.tools/mariagrimm/32/8387_2.png) [@MariaGrimm](https://discourse.ladybug.tools/u/MariaGrimm)\
**Post date:** [September 11, 2018, 11:21pm UTC](https://discourse.ladybug.tools/t/spatial-direct-sun-studies-with-fritted-glass/2803/4 "2018-09-11T23:21:26Z")

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I used to use the glaze script often in native linux-based Radiance… I no longer use native Radiance and do all of my simulations in Honeybee.

I see the python file above - which looks like it might be what I am looking for - but admittedly have no idea what to do with it. Could anyone provide any guidance on how to use this file to access the glaze script?

Thanks! M