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Score-object port inheritance

OpenMusic
#1

Hi to Karim, Jean and others,

In order to manipulate ports and to enable inheritance of ports between two score-objects I use the Karim’s function “my-set-port”. (The port information from one to another chord-seq is inherited only through self-input/output connection which is not applicable in many cases, hence the port info is getting lost.) Yet, the function “my-set-port” at its second input does not receive a list (list of lists) of ports. In other words I can assign only one port per chord. Is there any possibility to add a new method to the function which would enable input of a list of ports?

My idea is to manipulate ports by assigning a port to each internal chord of a chord-seq and therefore I would need a “my-set-port” function that would accept also a list of ports (E.g. from the output of get-port function) .

Since this may be sensitive case, I am not daring to make it by myself.

Can anybody help me with this issue?

Many greetings and all the best!

Aliser

#2

Hi to all again!

Since I have not received any answer to my question, I’ll try this time to be more specific.
I would like to be able to manipulate ports as lists in chord-seq. Since there is no specific lport slot in a chord-seq, is there a way to do it at all?

E.g. with function “get-port” connected to self input of a chord-seq I get the list of lists of ports. How can I input a list of lists of ports to a chord-seq? (The in-built function “set-port”, or Karim’s “my-set-port” enable to set only one port per chord-seq, but not a list of lists of ports.) In other words I would like to be able to manipulate ports in the same way I can do it with other parameters/slots of the chord-seq (lmidic, lonset, ldur…etc).

Please, can anybody give me an answer?

All the best!

Aliser

#3

Hi Aliser,

What does my-set-port do different than the “normal” set-port function ?
Could you rather try to use it and add this fix patch.
It’s just a method for this function to handle containers+list.

Jean

set-port-list.lisp (230 Bytes)

#4

Dear Jean,
Thank you for your answer!

Karim"s patch “my-set-port” sets a port to a container, hence it returns container (e.g. chord-seq self).
Here the function:

(defun my-set-port (container port)
(loop for item in (inside container) do (set-port item port))
container)

The “normal” set-port modifies the input but does not return it.

As you have remarked in one of our previous Forum communications (http://forumnet.ircam.fr/user-groups/openmusic/forum/topic/set-port-in-a-loop/), it would be “more logical (in order to respect the data-flow paradigm and not to produce side effects) to return a modified copy of the object.”

I’ve added the fix patch you have send to me to the patches folder, but than I can’t open my workspace receiving error message. (I am sending the screenshot of the error message attached.)

Please, can you give me a hint how to solve this problem?

Thank you once more and I wish you all the best!

Aliser

Screen-Shot-2019-01-20-at-9.13.32-PM.png

#5

ok – this is all related. I have changed the set-port function in OM after the previous forum discussion in order to make what we said: get it to return the object, and added an optional input in order to chose whether a copy of the object should be returned, or just the modified input object.

I think this is already included since around OM 6.12, so I guess you might be using an older version ?