Re: [EnergyPlus_Support] Some warnings of the input file

[Linda Lawrie <linda@xxxxxxxxxxxxxx>]

if you specify World for the field:
Coordinate System

Then all "detailed" vertex specifications (including
Fenestration:Detailed) must be in World Coordinates.

The Rectangular Surface Coordinate System field is for the simpler
surfaces which are only specified with length and width.

You can mix rectangular surfaces along with detailed surfaces in a
idf.

At 08:38 PM 10/26/2009, Hu,Jia wrote:

Thank you for your explanation.
 
The default coordinate is relative even if the world coorinate system is defind in Object GlobalGeometryRules, am I right? This is the reason why this warning appears?
 
 I find the field "Rectangular Surface Coordinate System" in Object GlobalGeometryRules. The manual says the default value is relative.
 
So, the question is if I leave it blank, the coordinates I input at Object FenestrationSurface:Detailed (Window) is relative or world coorinate?
 
 

 
On Mon, Oct 26, 2009 at 5:03 PM, Linda Lawrie <linda@xxxxxxxxxxxxxx> wrote:

 

At 01:36 PM 10/26/2009, Hu,Jia wrote:

   ** Warning ** World Coordinate System selected.  Any non-zero Building/Zone North Axes or non-zero Zone Origins are ignored.

   **   ~~~   ** These may be used in daylighting reference point coordinate calculations  but not in normal geometry inputs.

 

This warning is telling you that you selected to use World Coordinate system for entering your surface vertices but that you have some non zero origins for Zones or non-zero building or zone north axes.  These will be ignored for the surface entries but might be used if you have selected relative coordinates for entering daylighting reference points.

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