Shade and irradiation analysis
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Category: EN
Forum Name: AutoCAD
Forum Description: Discussion about AutoCAD and AutoCAD LT, viewers, DWG and DWF formats, Design Review, AutoCAD 360, add-ons
URL: https://www.cadforum.cz/forum_en/forum_posts.asp?TID=5269
Printed Date: 19.Apr.2026 at 15:38
Topic: Shade and irradiation analysis
Posted By: dermaggo
Subject: Shade and irradiation analysis
Date Posted: 04.Feb.2011 at 17:42
Hi everyone, I´m designing PV-Roofsystems.
My idea is to do my shading analysis with ACAD2009.
i got a roof and a PV-sistem on top. For example a chimney is causing a shadow during the day, that moves over the roof and PV-system (e.g. every 10 min from dawn till dusk).
if i´d render every 10 sec. it would be not very time effective, so my question is: is there an automation that would ease this operation? And
Is it possible to sum up all the shadows in one picture? So that i can see
the complete area shaded in one day?
furthermore: Is it possible to measure the shadowintensity after summation or in other word, is it possible to assign probertys to a surface, such as absorption? so that some areas of the surface capture less light then particularly shaded ones?
thanks for answers or suggestions!!!
cheers
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Replies:
Posted By: John Connor
Date Posted: 04.Feb.2011 at 23:32
I don't think shade analysis is one of plain AutoCAD's strong points. Have you looked into software written specifically for the task?
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>>
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Posted By: dermaggo
Date Posted: 07.Feb.2011 at 08:57
John thnx for the respond.
I thought so, but i just wanted to ask some prof. users before i give up.
i do use other programs for that purpose, just dont think they are really good...
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