[esp-r] Re: Doubts about obstructions/shading

[Jon Hand]

The two numbers following the *block_start define the density of the grid to be
placed on each surface for purposes of shading calculations.  If you go into
the project manager and look at the top line of the menu which relates to
obstruction definitions you should see an entry that includes the word 'grid'.

Make these non-zero and save and then re-generate your shading and/or insolation
calculations.

-Jon Hand
________________________________________
From: esp-r-bounces at lists.strath.ac.uk [esp-r-bounces at lists.strath.ac.uk] On Behalf Of Paulo Tavares [ptavares at mail.isec.pt]
Sent: 29 March 2010 16:09
To: esp-r at lists.strath.ac.uk
Subject: [esp-r]  Doubts about obstructions/shading

Dear all,

I have two doubts about obstructions/shading in my model.

The first one is when i made a simple block representing an adjacent
building i receive the next message:

FAILURE: in ../zones/z1.geo: *block_start, 0 0
     the opq grid X value (0) < allowable minimum 4!
FAILURE: in ../zones/z1.geo: *block_start, 0 0
     the opq grid Z value (0) < allowable minimum 4!

What could be the reason for this? How can i solve it?

The other doubt is how i model the building self-shading? My model is a
cube but has a "hole" (courtyard) at the center.

Regards,

Paulo Tavares




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