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FloEFD API from Python script. Set2DTableData problem.

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Old   March 6, 2018, 08:00
Default FloEFD API from Python script. Set2DTableData problem.
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Dmitry Grigoryev
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Hello,

A try to set up boundary conditions in FloEFD project from python script and I have a problem with setting up the data for Table dependency parameter. I call the FloEFD API function like this(for example, arrays of length 1):
Code:
 error = param.Set2DTableData([0.015], [2.0])
After I call the API getter function:
Code:
_, valueX, valueF = param.Get2DTableData()
Received output:
Code:
valueX  = (2.5e-323,)
valueF = (2.5e-323,)
I don't have any idea about this behavior. Thanks for any tip
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Old   March 28, 2018, 08:51
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Boris Marovic
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Hi Dmitry,

The API is meant for VBA, VB, and VC++.
I cannot tell if there is any compatibility with Python and wouldn't trust it delivering correct values. Have you tried it in the supported languages in a simple example to see what the feedback there is?

Regards,
Boris
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Old   May 4, 2018, 09:41
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Dmitry Grigoryev
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Quote:
Originally Posted by dmitry.grigoryev View Post
Hello,

A try to set up boundary conditions in FloEFD project from python script and I have a problem with setting up the data for Table dependency parameter. I call the FloEFD API function like this(for example, arrays of length 1):
Code:
 error = param.Set2DTableData([0.015], [2.0])
After I call the API getter function:
Code:
_, valueX, valueF = param.Get2DTableData()
Received output:
Code:
valueX  = (2.5e-323,)
valueF = (2.5e-323,)
I don't have any idea about this behavior. Thanks for any tip
I had solved this problem by explicit casting input data for Set2dTableData to VT_ARRAY object(FloEFD documentation says the input data type is VARIANT).

Python example:
Code:
win32com.client.VARIANT(pythoncom.VT_ARRAY | pythoncom.VT_R8, value)

Boris, thanks for your advice, it was really helpful for me.
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