[Coin-discuss] Re: Message Control

[John J Forrest]

Edgardo,

When I tried what you suggested it did not work as I did not get any error 
messages when I tried an example.  As I have said many times before, the 
very loosely connected structure of Coin makes unified message handling 
difficult.  With Cbc at least you can get at the solver and so affect its 
message handling.  For Clp there was no way to affect the Coin messages, 
even though you could make sure they shared a common message handler.  I 
intend to modify this by the end of the week so that the Coin messages 
will be visible to the Clp user.

John Forrest



Edgardo Fuchs <edgardo_fuchs at mi.cl> 
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John,

Thank you for your prompt response.

Solving a linear model with OsiClp, assuming that clpModelPtr is a pointer 
to the Clp model, returned by getModelPtr():

clpModelPtr->messagesPointer()->setDetailMessages(10, 0, 2999);

effectively turns off informational messages from Clp, but does not turn 
off messages from Coin (example Coin0506I Presolve).

The following alternative to explicitly turn on the warning and error 
messages seems to work fine:

clpModelPtr->messageHandler()->setLogLevel(0);
clpModelPtr->messagesPointer()->setDetailMessages(3, 3000, 9000);

Although, it seems the newLevel values have different meaning than the 
setLogLevel parameter. Where can I find the possible values and their 
meanings for the newLevel  parameter?

Regards,
Edgardo Fuchs



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Today's Topics:

   1. Message control (Edgardo Fuchs)
   2. Re: Message control (John J Forrest)
   3. Re: Message control (John J Forrest)


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Message: 1
Date: Fri, 02 Dec 2005 21:19:23 -0300
From: Edgardo Fuchs <edgardo_fuchs at mi.cl>
Subject: [Coin-discuss] Message control
To: COIN <coin-discuss at list.coin-or.org>
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Message: 2
Date: Sat, 3 Dec 2005 05:39:34 -0500
From: John J Forrest <jjforre at us.ibm.com>
Subject: Re: [Coin-discuss] Message control
To: Discussions about open source software for Operations Research
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Edgardo,

You can use setDetailMessages (examples in Cbc/Samples) to set the detail 
level for all messages < 6000 to high.

At present the best way would be to use one form of setDetailMessages to 
switch off all messages and then switch back the >= 6000 messages one by 
one.

As that seems inelegant I will add a new setDetailMessage to do by range. 
Then it would be

.messageHandler()->setDetailMessage(3,0,5999);

Should be in a few hours.

John Forrest



Edgardo Fuchs <edgardo_fuchs at mi.cl> 
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[Coin-discuss] Message control






Dear COIN list,

I need to control the message output, prinitng only those messages with 
return code greater or equal than 6000 (ie warning or error).

I tried using setLogLevel, but even level 1 is too verbose, including 
informational messages.

Is there another option to control the output in that way, or do I need to 

write a message handler function?

Regards,
Edgardo Fuchs

 

-- 

Edgardo Fuchs

Santiago, Chile

Tel: +56 (2) 435 0090
Cel: +56 9837 8433
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