[PCB_FORUM] Re: Soft to hard location (Concept v.15.1)
- From: William Gerner <William.Gerner@xxxxxxx>
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Fri, 10 Jun 2005 15:26:48 -0400
Hi Mark,
It has been years since I've drawn schematics, but I had a Unix
script that would edit all of the ascii files for the schematics
pages and change $LOCATION to LOCATION on all pages. It then would
delete the binary files, which would force Concept to read the
ascii files the next time the schematics were opened. The program
would also generate a concept script to open/write out each page of
the schematics to regenerate the binary files. Note that this
process was not recommended by Cadence, though I never had problems
with it.
I'm not sure that this is still doable with today's tools. You'd
need to do some investigation.
Regards,
Bill
Mark Salberg wrote:
> Hello Pattie,
> Ahhh...yup! Hate it.
>
> We have been instructed to use "repackage" so it will pick up all new
> changes and create updated packager files. Does "preserve" pick up all
> new changes...every time?
> Because of this "hate to see parts blown away" thing, we resort to hard
> locating everything. We just can not afford the hit and this seems to
> work fine, except we have the pain of hard locating in the schematic as
> mentioned earlier.
>
> Thanks for your feedback though. I will keep that in mind.
>
> Mark
>
> Patricia Mayer wrote:
>
>>Hey Mark,
>>
>>In Concept under File>Export Physical, in the Package Option area, click
>>Preserve. That will retain your reference designators during re-packaging.
>>Don't you just hate to see all your components fly off the board after a
>>schematic change?
>>
>>Pattie
>>@};--
>>
>>Senior PCB Designer
>>Ditech Communications
>>
>>
>>-----Original Message-----
>>From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
>>[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of Mark Salberg
>>Sent: Friday, June 10, 2005 10:17 AM
>>To: icu-pcb-forum@xxxxxxxxxxxxx
>>Subject: [PCB_FORUM] Re: Soft to hard location (Concept v.15.1)
>>
>>
>>Kevin,
>>We always hard locate ref des in Concept because we had been told that
>>if you do not, Cadence can change the ref des while re-packaging at a
>>later time.
>>This "soft location thing" never made any sense to us.
>>
>>If anyone from Cadence is out there, can you explain WHY reference
>>designator are not always HARD LOCATED. This is done if you assign
>>designators in the schematic manually. We especially have to do this on
>>multi sectioned gates / components to ensure all sections package into
>>one IC.
>>
>>And...while I am at it, it allows you to define duplicate designators
>>which then fails the packager.
>>
>>Kevin, if you have all ref des soft located...you have never ran across
>>any unexpected ref des changes in Allegro?
>>I have been warned of this many times. To the point that I always hard
>>locate.
>>
>>I would love to find out the rhyme or reason behind this.
>>
>>Regards,
>>Mark
>>
>>
>>
>>Kevin McCowan wrote:
>>
>>
>>
>>>I know this isn't an answer, but why do you want the
>>>locations to be hard. I've found them to cause
>>>me grief over the centuries. Maybe I can still learn
>>>a thing or two.
>>>Oh, and I don't think there is a better way. Maybe a setting
>>>that makes it put them on as hard. And on your 2nd question,
>>>I think you need to package to get the refdes's, don't you?
>>>
>>>Kevin McCowan
>>>Sr. PCB Designer
>>>TSI Telsys
>>>
>>>Mark Salberg wrote:
>>>
>>>
>>>
>>>>Is there an easier way to hard locate reference designators in Concept?
>>>>When allowing Concept to assign ref des.
>>>>
>>>>We are still doing the old,
>>>>find $LOCATION on each page.
>>>>Change "group" A
>>>>Ctrl E
>>>>find / replace $LOCATION with LOCATION
>>>>save text file
>>>>save schematic page
>>>>
>>>>There should definitely be a better way!
>>>>
>>>>Also, is there a file (prior to packaging to Allegro) that lists all
>>>>ref des used?
>>>>We usually package, then run a component report to see.
>>>>
>>>>Thanks,
>>>>Mark
>>>>
>>>>
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Bill Gerner
Voice: (781) 442-2649 x22649
Fax: (781) 442-1651 x21651
Email: william.gerner@xxxxxxx
Sun Microsystems
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