[PCB_FORUM] Re: DxDesigner to Allegro...

Sure.  It's not easy to follow, though.  
 
The cfg files are like those 3D patterns where you can't see the image.  Then 
all of a sudden, it's "GOT IT!"
 
Points to look for are attributes attached to a component and attributes 
attached to a component-definition.  (There is a difference.) 
 
eg:
- a 'NOFIT' attribute is attached to a Comp as a string.  This is for 
individual refdes's, eg C1950 may have this property.
- a 'PART_NUMBER' attribute is attached to a Comp Def as a string.  This is for 
devices, eg CAP10N_0402_10P may have this property.

I've attached a png to show what you get in Allegro.
 
Cheers,
Richard

>>> claude.meyers@xxxxxxxxxxxxxx 27/10/2005 9:20 a.m. >>>

RichardDo you have a copy of the CFG File you can Share? We have had problems 
in the past with this. 
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx 
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of richard moffat
Sent: Wednesday, October 26, 2005 1:16 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: DxDesigner to Allegro...
 No, not right.  Allegro can import any type of attribute/property to Allegro 
from DxDesigner.  We do it all the time, including ones we make up.  The cfg 
file needs to be set up correctly to do this.
Some users have developed their own cross probing tools, but they are also 
reluctant to share it freely due to the fact it will give competitive companies 
a significant productivity increase.  You can't give everything out for free - 
that's life.
 
Cheers,
Richard

>>> claude.meyers@xxxxxxxxxxxxxx 27/10/2005 8:25 a.m. >>>
This issue is not DxDesigner issue. The issue is Cadence's "third party
netlist in" it will only pass certain attributes to Allegro. The spec.
Section 7 of the Allegro users Guide hasn't changed as long as I've been
using Allegro. The only way around the cross probing that I know is a
product from OHIO Design Automation.

Claude Meyers
Gennext

-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Austin Franklin
Sent: Wednesday, October 26, 2005 11:30 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: DxDesigner to Allegro...

For those of you interested, here are the questions I asked Mentor, and
the
answers they gave me:

Q: Is there a datasheet available for the DxDesigner to Allegro
interface?

A: No, we do not have a datasheet for this option.


Could you please get these questions answered about this interface as
well:

1) Does it support crossprobing

A: No.

2) Does it support decal preview

A: No.

3) Can you use the DxDesigner Attributes Manager for entering/modifying
constraints

A: Yes.

4) What attributes does it pass to Allegro

A:  We don't have a list of the constraints/attributes.  However, we
have
many customers using DxDesigner very successfully with Allegro.

Keep in mind, they charge $2500 for this, and it appears it does little
more
than produce a netlist.  Something that can be done by converting the
PADS
output...

Regards,

Austin

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