[PCB_FORUM] Re: Mirror dxf file? LOL ProE lessons
- From: "Dal Locke" <dlocke@xxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Tue, 28 Sep 2004 13:38:36 -0500
"Making back side assy drawings is easy"
We make a plot file (create plot) with the assy and board outline layers on
along with ref des. Then we load the plot file on an assy sheet layer and
right click mirror and scale to fit inside the border.
Works great. Allegro can even do searchable pdf plots now in 15.2.
Dal
-----Original Message-----
From: Gene Carman [mailto:gcarman@xxxxxxxxxxxxxxx]
Sent: Tuesday, September 28, 2004 1:29 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Mirror dxf file? LOL ProE lessons
The funniest thing to consider is the way mechanical guys view boards verses
the way PWB guys view boards... They look at the board as having "sides" and we
view the boards as a single plane and flip the components. Gee, no wonder
there is so much confusion in exchanging CAD files. I went through this drill
with every new mechanical guy we ever used at our last company. Sometimes the
light never went on.
I tend to agree with others that flipping the DXF is best done in AutoCAD...
and frankly working with gerber files for Assy drawings is not the best
approach... gerbers tend to create lines with width, where as mechanical
drawing tools tend to create sharp easy to read/plot drawings.
-----Original Message-----
From: Mark Salberg [mailto:msalberg@xxxxxxxxxxxx]
Sent: Tuesday, September 28, 2004 10:58 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Mirror dxf file?
You hit it right on the head Mitch!
Some of us used to do it in AutoCad, but our mechanical guy uses both ProE and
Sim Cad.
When importing our "mirrored" bottom side (text backwards) dxf file into Sim
cad...it would "skew" the ref des over parts. And supposedly there was a
problem mirroring in ProE. Hard to believe!
We just had another mech guy prove that you can mirror in ProE!
Sorry for any confusion, but somebody here needs a ProE lesson I guess.
Thanks,
Mark
Mitch S. Morey wrote:
Agreed. If, in fact, you're OUTPUTTING the DXF file to a mechanical
package, leave it alone, and mirror it in the mechanical tool. It's simple
to do in ANY mechanical package.
Good day.
I don't know the answer to your question, but mirroring is so easy and
effective in autocad, that's where I do it. Another thing I do in autocad
is hatch the pins for the assembly drawing, as they come over unfilled.
To
do this easily I export the pins on their own autocad layer, so that I can
grab them all to hatch solid.
Patrick Westfeldt, Jr.
North Boulder Circuit Design
-----Original Message-----
From: Mark Salberg [ mailto:msalberg@xxxxxxxxxxxx]
Sent: Tuesday, September 28, 2004 8:52 AM
To: Cadence User Group
Subject: [PCB_FORUM] Mirror dxf file?
Hello all,
Is there a way to mirror a dxf file output?
We used to create a plot file, mirror on import to .brd, then dxf out.
This creates a DXF on pen layers.
We want to mirror all of the bottom side components, board outline,
etc...for the bottom side assembly drawing. But also would like to output
the DXF with real layers instead of pen layers.
Thanks,
Mark
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