[EnergyPlus_Support] Re: shadowing calc errors

["JV Dirkes II" <jvd2pe@xxxxxxx>]

Thanks!

For the record, DesignBuilder will create the geometry and display it
in vivid 3D.  It can also import a .dxf;  I haven't used it for that
purpose, though.

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "David Scheer - L+U"
<david@...> wrote:
>
> Well, I didn't want to be specific, but the only things I know of
that go from IDF to 3d are the native DXF output and the Sketchup
plugin.  Yay for Peter.
> rds3
>   ----- Original Message ----- 
>   From: JV Dirkes II 
>   To: EnergyPlus_Support@xxxxxxxxxxxxxxx 
>   Sent: Friday, April 11, 2008 1:35 PM
>   Subject: [EnergyPlus_Support] Re: shadowing calc errors
> 
> 
>   What is an "IDF geometry viewer" .....? Sketchup w/ new plugin? 
>   DesignBuilder? (I am unfamiliar with the term.)
> 
>   --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "coolshadow10a" <david@>
>   wrote:
>   >
>   > Note that this error usually occurs when there are overlapping or
>   > duplicate shading surfaces. No matter how many iterations you allow,
>   > overlapping shading surfaces shade each other infinitely (I would
>   > think). You need to check your model carefully for repeat geometry
>   > with different surface names or for overlapping shading
surfaces. You
>   > will need a IDF geometry viewer to do this, or compare vertices in a
>   diff.
>   > 
>   > rds3
>   > 
>   > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "bish.dj61" <bish.dj@>
>   > wrote:
>   > >
>   > > OK, I've looked at the results of adding the diagnostic
statement - 
>   > > great to remove warnings, but the shading doesn't work. Any help 
>   > > appreciated!
>   > > 
>   > > 
>   > > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Danny Bishop" 
>   > > <bish.dj@> wrote:
>   > > >
>   > > > Hi All
>   > > > I have some errors that I can't figure out what they mean. I
did as 
>   > > it
>   > > > suggested and added the diagnostics statement, but I am not
really 
>   > > sure what
>   > > > it is doing.
>   > > > 
>   > > > ******** Too many vertices [>=18] in shadow overlap errors 
>   > > occurring...
>   > > > ************* These occur throughout the year and may occur 
>   > > several times
>   > > > for the same surfaces. You may be able to reduce them by adding
>   > > > DIAGNOSTICS,DoNotMirrorDetachedShading;
>   > > > *************
>   > > > ** Warning ** Too many vertices [>=18] in a shadow overlap
>   > > > ** ~~~ ** Overlapping figure=Mir-OBJ:0169, Surface Class=
>   > > [Detached
>   > > > Shading:Building]
>   > > > ** ~~~ ** This error occurred 1 times.
>   > > > ** ~~~ ** Figure being Overlapped=Mir-OBJ:0201, Surface
>   > > > Class=[Detached Shading:Building]
>   > > > *************
>   > > > 
>   > > > AND
>   > > > 
>   > > > ******** Too many figures [>=15000] in shadow overlap errors 
>   > > occurring...
>   > > > ************* These occur throughout the year and may occur 
>   > > several times
>   > > > for the same surfaces. You may be able to reduce them by adding
>   > > > DIAGNOSTICS,DoNotMirrorDetachedShading;
>   > > > *************
>   > > > ** Warning ** Too many figures [>=15000] in a shadow overlap
>   > > > ** ~~~ ** Overlapping figure=OBJ:0217, Surface Class=
>   > > [Detached
>   > > > Shading:Building]
>   > > > ** ~~~ ** This error occurred 5 times.
>   > > > ** ~~~ ** Figure being Overlapped=Mir-OBJ:0081, Surface
>   > > > Class=[Detached Shading:Building]
>   > > > ** ~~~ ** Figure being Overlapped=OBJ:0024, Surface Class=
>   > > [Wall]
>   > > > ** ~~~ ** Figure being Overlapped=OBJ:0306, Surface Class=
>   > > [Wall]
>   > > > *************
>   > > > 
>   > > > Cheers/Danny
>   > > > 
>   > > > 
>   > > > [Non-text portions of this message have been removed]
>   > > >
>   > >
>   >
> 
> 
> 
>    
> 
> [Non-text portions of this message have been removed]
>



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