| Re: Talking to Matlab [message #41430 is a reply to message #41339] |
Thu, 21 October 2004 08:32  |
p.sommer
Messages: 20
Registered: April 2004
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Junior Member |
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p.sommer@comcast.net (Paul) wrote in message news:<c2d97616.0410060611.21b8eb2f@posting.google.com>...
> rcohen@raytheon.com (Rob) wrote in message news:<ac2cbce6.0409300812.3b62cd9f@posting.google.com>...
>> I'm trying to get and set variables in Matlab from IDL. Using an older
>> newsgroup posting of how to do this, I'm able to put an array created
>> in IDL into Matlab and see it in Matlab's workspace, but I'm getting a
>> "bad variable type" response from Matlab when I try to get the array
>> back into IDL. Anyone see what my problem is in the code below? Or, if
>> there's a better way to do
>> this that would be valuable information as well. This is with IDL 6
>> and
>> Matlab 6.5 R13. Many thanks.
>>
>> IDL> oMatlab6=OBJ_NEW('IDLcomIDispatch$PROGID$Matlab_Application_ 6')
>> IDL> data=DINDGEN(100)
>> IDL> PLOT, data
>> IDL> oMatlab6->PutFullMatrix,'fromidl','base',data,data
>> IDL> oMatlab6->Execute,'plot(fromidl);'
>> IDL> fromMat = oMatlab6->GetFullMatrix('fromidl','base',zreal,zimag)
>> % IDLCOMIDISPATCH$PROGID$MATLAB_APPLICATION_6::GETFULLMATRIX: Unable
>> to
>> call method GETFULLMATRIX.
>> Bad variable type.
>> % Execution halted at: $MAIN$
>
> Rob,
>
> We *should* be able to figure something out for you. I'm fairly
> certain the GetFullMatrix method returns a SAFEARRAY which is not
> supported by the IDL 5.5 COM bridge - SAFEARRAY majority is the
> opposite of IDL's storage.
>
> I'd suggest we try using the MATLAB Engine which is a lower level C
> API. Please contact me directly to discuss in more detail and then we
> can share our findings with the group once we have tried a few things.
>
> Thanks,
> -Paul
Update: Anyone interested should contact RSI directly. A solution
does exist, but is not ready for general useage (yet). Also, would
like to gauge interest to justify whether or not a more complete
solution would be useful.
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