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Re: PostgreSQL and AutoCad

From: Ilan Volow <listboy(at)clarux(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: PostgreSQL and AutoCad
Date: 2007-10-30 22:01:09
Message-ID: F2C47E48-11C9-4633-B3EC-FE43D4FD6AD3@clarux.com (view raw or flat)
Thread:
Lists: pgsql-general
As I have a vested interest in storing AutoCad stuff in PostgreSQL, I  
searched for something like this a while ago and I ran across this..  
I haven't really had a chance to play with it yet

http://sourceforge.net/projects/dxf2postgis/

I'm personally interested in the idea of versioning for a drawing.  
Instead of storing the entire drawing for each version, one could  
theoretically just store the vector additions/changes/deletions that  
happen from one revision to the next.

-- Ilan

On Oct 30, 2007, at 11:34 AM, Bob Pawley wrote:

> If your holy grail is the ability of using infomation to drive  
> drawings I have to ask if you have any idea what that could lead too?
>
> - Design productivity would increase by factors of hundreds -  
> perhaps thousands.
>
> - Information would be infinitly adaptable.
>
> - Structure that information properly and knowedge will result.
>
> - We would begin to realize the full potential of computing power.
>
> Is that what you were saying??
>
> Bob
>
>
>
>
>
> ----- Original Message ----- From: "Richard Broersma Jr"  
> <rabroersma(at)yahoo(dot)com>
> To: <pgsql-general(at)postgresql(dot)org>; "Andy" <nospam(at)noplace(dot)com>
> Sent: Monday, October 29, 2007 9:13 PM
> Subject: Re: [GENERAL] PostgreSQL and AutoCad
>
>
>> --- On Thu, 10/25/07, Andy <nospam(at)noplace(dot)com> wrote:
>>> >> Is there any way of converting text from an
>>> AutoCad (.dwg ot .dxf) file into
>>> >> a PostgreSQL  Database??
>>> Do you want AutoCad to edit the drawings right out of the
>>> database?  How
>>> would you want to put them in/get them out, of the
>>> database?
>>
>> I think the more traditional problem is to extract information  
>> embedded (within blocks) in a drawing to produce a bill of  
>> material.  As long as the text is stored in a block it is a  
>> trivial task.  On the other hand, if the text is free floating in  
>> the drawing, finding it is a little more difficult but still  
>> possible using lisp or vba.
>>
>> Auto cad has prebuilt tools to extract/link data from blocks to  
>> any ODBC compliant database.  Of course, the holy grail would be  
>> to eliminate auto cad altogether and then render drawings from the  
>> data stored in the database. :-)
>> Regards,
>> Richard Broersma Jr.
>>
>> ---------------------------(end of  
>> broadcast)---------------------------
>> TIP 6: explain analyze is your friend
>
>
> ---------------------------(end of  
> broadcast)---------------------------
> TIP 5: don't forget to increase your free space map settings

Ilan Volow
"Implicit code is inherently evil, and here's the reason why:"



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