[PCB_FORUM] Re: Change Circle Diameter

Whole heartedly agree... in fact any feature that could be described in 
geometric terms should be easily parametrically edited.  This was one of my 
biggest gripes with Mentor Graphics tools...  They simply did not support real 
word Geometries... IE circles, rectangles and the like.  

Now the joke to me is that a DOS based too I used in the 80s (TANGOPCB) did do 
exactly this... and that was a cheap little $900 tool then... and it did DXF in 
and out too.  Was a heavy hitter for RF design when used with AutoCAD.   Later 
I did work with HP ADS and sure enough... parametric editing.  Course you 
wouldn't even try to layout a motherboard with it.   

Now I use these very expensive tools and they don't do basic geometric work.  
Funny... sad.

Go one further and note that simple drawing tools do this too... such as Corel 
draw.  Click on an object and edit attributes...  Gosh, what a concept.  

Now just in case there is a secret method...  Please tell us all.


-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of Kevin McCowan
Sent: Tuesday, June 28, 2005 9:17 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Change Circle Diameter


But, if you do find some secret method that Cadence
has kept to themselves, please let us know.
It seems as though changing the diameter (or
radius, for that matter) should be within the
scope of a tool like this.
Anybody agree?

Kevin McCowan
Sr. PCB Designer
TSI Telsys

Dal Locke wrote:
> Vincent,
>  
> Unfortunately  you cannot simply modify the diameter of an 
> existing circle by changing an attribute.  You might try zcopy with the 
> option contract with the value between the two.
> 
>     -----Orig inal Message-----
>     *From:* Vince Di Lello [mailto:vince.dilello@xxxxxxxxxxxxxxxx]
>     *Sent:* Tuesday, June 28, 2005 10:46 AM
>     *To:* icu-pcb-forum@xxxxxxxxxxxxx
>     *Subject:* [PCB_FORUM] Change Circle Diameter
> 
>     Good morning fellow designers,
> 
>      
> 
>     Question for you all ….. is there a way to change the diameter of an
>     existing circle without deleting it and redrawing it? I have a
>     circle (shape) that has an outside diameter of 0.500” and I now want
>     it to be 0.375”. Can this be done from within Cadence Allegro somehow?
> 
>      
> 
>     Vincent Di Lello, CID+
> 
>     Senior CAD Designer
> 
>     Kaleidescape Canada, Inc.
> 
>     vdilello@xxxxxxxxxxxxxxxx <mailto:vdilello@xxxxxxxxxxxxxxxx>
> 
>     (v) 519.772.6418
> 
>     (f) 519.772.6401
> 
>     (c) 519.835.4477
> 
>     www.kaleidescape.com <http://www.kaleidescape.com>
> 
>      
> 
>      
> 
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