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| GeoCommunity Mailing List |
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| Subject: | Re: [gislist] flipped segment |
| Date: |
12/26/2005 06:50:01 AM |
| From: |
Selvan |
|
|
Hi Marwa A. Hassan
I think you need to know the way to identify the flipped Segment in a huge
data set.
If you have combination of linework and polygons..Mean Polygons created out
of
the same linework...There are many easy ways to find out. let me outline
few, Get the one's that is easy.
1.Color the polygons and overlay the linework on top of the colored
polygons.You can see the flipped segment
2. If you are a Microstation Geographics user try copying both polygon and
linework on to
one file (Just for Rectifying or Identifying the Flipped segments in a huge
Data set) and do topology clean up
and flag the Dangles..99% of the Flipped Segments will be notified in this
process.
Please try out the methods that i have suggested, and let me know if it
works.
Thanks & Regds
Selvan
----- Original Message -----
From: "Marwa" <mhassan@protraconline.com>
To: <gislist@lists.thinkburst.com>
Sent: Monday, December 26, 2005 6:02 PM
Subject: [gislist] flipped segment
> Dear listers,
>
> I'd like to know how I can detect if a segment is flipped.
>
> i.e. I have a drawing direction from left to right for a line consisting
> of
> many segments, then a user had to flip a direction of a segment according
> to
> its direction in nature.
>
> How can I detect that in a huge dataset?
>
> Thanks for your time & Best Regards,
>
> Eng.Marwa A. Hassan
> Internal Project Manager
>
> PROTRAC
> 10 Mesaha Square
> Dokki
> Cairo, Egypt
> Tel: +202 7610702 (10 Lines)
> Fax: +202 3362943
> Mobile: +20127865705
>
>
>
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