Further to my last e-mail.
I am curious to know on what you change or add to the IDF file to generate the errors you mentined. Generating error is the best way to learn computer programming. Without making any error, you will never see the error messages.
The exercise1B-solution.idf has no error.
It uses the following rules for vertices:-
GlobalGeometryRules,
UpperLeftCorner, !- Starting Vertex Position
Counterclockwise, !- Vertex Entry Direction
WorldCoordinateSystem; !- Coordinate System
This is different from the one I showed you as an example in my mail. If you are using the example file, do not change to the rules I sent you.
The reason why I use my rule is that the points move along a horizontal edge and the heights are the same for the first two groups. Then you copy and paste the second row and change the height, then copy and paste the first row and change height. No big deal when you are using the IDFeditor to enter the values.
Dr. Li.
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: sw.peng@xxxxxxxx
Date: Tue, 27 Jan 2009 21:35:14 +0000
Subject: [EnergyPlus_Support] On Vertex coordinates
Hi,
Here is another problem on runing Exercise 1B of EnergyPlus 3.0:
I added two windows as example suggested: East Window and
West Window, but I got some fatal error and the program terminated,
The error is
1) GetSurfaces: Some Outward Facing angles of subsurfaces differ
significantly from base surface;
2) GetSurfaceData: Zero or negative surface area, Surface=WEST
WINDOW;
3) CalcSurfaceCentroid
WINDOW;
I guess the problem is from window vertex input. The manual mentions
the vertes should follow the rules specified in "SurfaceGeometry object"
but I can't find this object. Can someone explain what's the rules for
window vertex and tell me where is the object?
Thanks
S.W. Peng
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