[kepler-users] loops in loops
kianwee chen
chenkianwee at gmail.com
Mon Oct 31 22:06:30 PDT 2011
Hi thanks, however the file attached gives error when I try to open it with
kepler. I read the documentation, when I tried it out doesnt seems to work.
How do I fix the error msg ? would like to look at the example you send me
I think will be very helpful for me.
regards
ckw
On Tue, Nov 1, 2011 at 2:54 AM, Christopher Brooks <cxh at eecs.berkeley.edu>wrote:
> Hi ckw,
>
> The documentation for Run Composite Actor describes how to use the output
> port
>
>
> http://ptolemy.eecs.berkeley.edu/ptolemyII/ptII8.0/ptII/doc/codeDoc/ptolemy/actor/lib/hoc/RunCompositeActor.html
> says:
>
> If this actor has output ports and the contained model is executed, then
> upon completion of that execution, if this actor has parameters whose names
> match those of the output ports, then the final value of those parameters
> is sent to the output ports. If such a parameter is an instance of Variable
> (or its derived class Parameter), then its contained token is sent to the
> output token. Otherwise, if it is an instance of Settable, then a string
> token is produced on the output with its value equal to that returned by
> getExpression() of the Settable. Output ports should not be multiports. If
> they are, then all but the first channel will be ignored. A typical use of
> this actor will use the SetVariable actor inside to define the value of the
> output port.
>
>
> Unfortunately, Kepler had no documentation for this actor, so there was no
> easy way for you to find this information.
>
> I created " Documentation for some actors such as Run Composite Actor is
> empty"
> http://bugzilla.ecoinformatics.org/show_bug.cgi?id=5529
>
> Attached is a modified model with a parameter named "port6".
>
> _Christopher
>
>
>
>
>
> On 10/27/11 9:15 PM, kianwee chen wrote:
>
> This is my attempt to create the loop in the loop in kepler using the run
> composite actor. I manage to get what I wanted but however it seems that
> run composite actor is not allowed to have an output port ?
>
> In the run composite actor I manage to process the array and produce
> another array of doubles, I want to output it out and use it for some
> comparison but however whenever I put an output port in the run composite
> actor there is an error.
>
> regards
> ckw
>
> On Wed, Oct 26, 2011 at 1:58 PM, kianwee chen <chenkianwee at gmail.com>wrote:
>
>> I downloaded your workflow and try it out and it works, then I did some
>> changes to it, in which I move the sequence to array node inside the
>> composite actor, and change the number of array to 20 and kept the sdf
>> director iteration to 10, amazingly the random() expression still fired 20
>> times, each giving me a different number. So it seems that the sdf director
>> is not essential to the workflow instead i just need the sequence to array
>> to control the number of times random() is firing ?
>>
>> Basically what I am planning to achieve with this is that, the random()
>> will generate a series of numbers, it will then be map to a discrete
>> parameter (e.g. length = [1,5,10,15,25], width [5,10,15,20]) then the
>> parameters are send to construct an already parameterise model to develop
>> the model.
>>
>> ckw
>>
>>
>> On Tue, Oct 25, 2011 at 11:47 PM, Christopher Brooks <
>> cxh at eecs.berkeley.edu> wrote:
>>
>>> Hi Kianwee,
>>> Problem 1 has to do with multirate systems.
>>> The attached model has a top level that fires once and an inside opaque
>>> composite that fires 10 times.
>>> I use a sequence to array actor to cause the inside opaque composite to
>>> fire 10 times.
>>> See *http://ptolemy*.eecs.berkeley.edu/~eal/ee225a/lab/<http://eecs.berkeley.edu/%7Eeal/ee225a/lab/>
>>> *sdf*.pdf
>>>
>>> About problem #2, the Repeat actor repeats the input, it does not cause
>>> the upstream actors to be fired.
>>>
>>> BTW - test cases would help here.
>>>
>>> Also, take a look at some of the example models in the Ptolemy II
>>> distribution.
>>> In the Kepler source distribution look for models in
>>> ptolemy/src/ptolemy/domains/sdf/kernel/test/auto/
>>> See also
>>> ptolemy/src/ptolemy/domains/sdf/lib/test/auto/DynamicRateChange.xml
>>>
>>> _Christopher
>>>
>>>
>>> On 10/25/11 3:06 AM, kianwee chen wrote:
>>>
>>> Hi all kepler users, I am trying to do a loop in a loop, something
>>> like a for loop in a for loop. The task is as follow :
>>>
>>> 1.) So what I did was I setup a sdf director and set the iteration to 1,
>>> then create a composite actor and put a sdf director in it and set the
>>> iteration to 10. I was hoping that it would be for 1 iteration outside, the
>>> composite actor will do the action 10 times inside, thus creating a looop
>>> within a loop. However it did not work.
>>>
>>> 2.) I went on to try to do a repeat actor, it worked, as I am using
>>> random() to produce 10 different random number. The repeat gives me 10 same
>>> number. Thus its not good enough.
>>>
>>> Tried to find examples on this issue but did not manage to find it.
>>> Cause I read about the opaque composite actor and I thought the 1.) should
>>> have worked.
>>>
>>> Thanks
>>> ckw
>>>
>>>
>>> _______________________________________________
>>> Kepler-users mailing listKepler-users at kepler-project.orghttp://lists.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-users
>>>
>>>
>>> --
>>> Christopher Brooks, PMP University of California
>>> CHESS Executive Director US Mail: 337 Cory Hall
>>> Programmer/Analyst CHESS/Ptolemy/Trust Berkeley, CA 94720-1774
>>> ph: 510.643.9841 (Office: 545Q Cory)
>>> home: (F-Tu) 707.665.0131 cell: 707.332.0670
>>>
>>>
>>
>
> --
> Christopher Brooks, PMP University of California
> CHESS Executive Director US Mail: 337 Cory Hall
> Programmer/Analyst CHESS/Ptolemy/Trust Berkeley, CA 94720-1774
> ph: 510.643.9841 (Office: 545Q Cory)
> home: (F-Tu) 707.665.0131 cell: 707.332.0670
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.nceas.ucsb.edu/kepler/pipermail/kepler-users/attachments/20111101/778a8186/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: error_scrn.jpg
Type: image/jpeg
Size: 352419 bytes
Desc: not available
URL: <http://lists.nceas.ucsb.edu/kepler/pipermail/kepler-users/attachments/20111101/778a8186/attachment.jpg>
More information about the Kepler-users
mailing list