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I am not able to change multiplier value

Purbayan

I am using this skill code

where NPNid is the object id of the npn

cdf = cdfGetInstCDF(NPNid)
FinalValue= nth(0 cdf~>parameters)->value="NPN_PAR"
Multipliervalue= nth(14 cdf->parameters)->value=" 1 "

The problem is that when i run the command Multipliervalue= nth(14 cdf->parameters)->value=" 1 " from CIW the cdf value gets changed but when i run the same line in skill code it doesn't change the value from "".

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  • in reply to Purbayan

    First of all, you should never change the values using the nth() element in the parameters list. That's a really bad idea as a) it's not very efficient and b) I wouldn't ever want to rely on the order of the parameters list. Use cdfFindParamByName() instead.

    That said, I can't see why this would have failed in a way that restarting Virtuoso would help. CDF is pretty robust and so it seems extremely unlikely to me that it would be the instance CDF that misbehaves in a way that requires a restart - I've never seen that happen. More likely would be some aspect of your code - maybe a variable that was not declared locally and so was set to something other than what you thought it was; it might not be that, but that's far more likely than some CDF mess up.

    Andrew

  • in reply to Andrew Beckett

    Thank you Andrew for the response.

    cdfFindParamByName(), I didn't knew that it existed. I would definitely implement it in my code and also thank you for those suggestions.

    Yours

    Purbayan

  • in reply to Purbayan

    You can also use:

    cdf~>model~>value="blah"
    cdf~>m~>value="1"

    (assuming the parameters are called model and m, that is). The cdfFindParamByName is particularly useful if you need to look up a parameter where the name is in a variable or it happens to clash with a reserved slot name on the CDF object (for example, if you had a parameter called "id").

    Andrew

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