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IDL and C inter-language communication / call_external() [message #89073]

Tue, 22 July 2014 12:34

inkorporiert
Messages: 2
Registered: July 2014

Junior Member

Hey,
I have a plotting routine written in C that I call from IDL via call_external() command and this works pretty well. Now I want to plot the fit function with IDL (continously updated) while the external code is fitting.

I tried to call IDL_Execute() command from C, but this failed and then I read that this is only supported in "Callable IDL". But "Callable IDL" is not a solution because i need to pass data to the C routine from a IDL shell.

If there is no solution with call_external() to realize this: What would be the appropriate way to do this kind of bidirectional communication?

To sum it up:

- I want to pass data from a IDL shell to a C routine.
- Within the C routine I want to call IDL functions (plot) which make use of data generated by the C routine.

Thank you.

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[Message index]

		IDL and C inter-language communication / call_external() By: inkorporiert on Tue, 22 July 2014 12:34
		Re: IDL and C inter-language communication / call_external() By: Craig Markwardt on Tue, 22 July 2014 14:35
		Re: IDL and C inter-language communication / call_external() By: inkorporiert on Thu, 24 July 2014 02:08
		Re: IDL and C inter-language communication / call_external() By: Craig Markwardt on Thu, 24 July 2014 15:46

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