I'm very interested about that. I was working on a plugin to repair
connectivity errors (undershoot, overshoot, nodemismatch, etc...) but I
haven't got time to continue with this issue... maybe in the future I will
take again that project. If any person wants work on that please I would
like collaborate... I have some ideas to do it.
However, I know that Kosmo has a couple of tools (CAD Tools) to extend and
to shorten lines.
Best regards,
Nacho
2008/6/12 Martin Davis <[EMAIL PROTECTED]>:
> JUMP doesn't. JCS I don't think did either. That's just because it
> wasn't a requirement for conflation per se - it's more of a data
> cleaning thing.
>
> Clearly this would be nice to have... all someone has to do is to write
> it.. 8^)
>
> Stefan Steiniger wrote:
> > That is a good question I asked yesterday myself when writing the
> > (other) person an answer on the user list.
> >
> > @Martin: can you give a comment? Does Jump have tools to remove
> > overshoots and undershoots?
> >
> > Larry Becker schrieb:
> >> Fixing undershoots and overshoots for lines seems like one of the
> >> most common and relatively easy to implement features that a GIS
> >> should have. Can it be that we have overlooked this, or is it a JCS
> >> feature that hasn't been ported over yet?
> >>
> >> Larry
> >>
> >> On Thu, Jun 12, 2008 at 9:52 AM, Sunburned Surveyor
> >> <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
> >> wrote:
> >>
> >> ---------- Forwarded message ----------
> >> From: Assessor <[EMAIL PROTECTED]
> >> <mailto:[EMAIL PROTECTED]>>
> >> Date: Thu, Jun 12, 2008 at 5:24 AM
> >> Subject: OpenJUMP question
> >> To: [EMAIL PROTECTED]
> >> <mailto:[EMAIL PROTECTED]>
> >>
> >>
> >> Sir:
> >>
> >>
> >>
> >> I am neither a computer nor GIS expert, although I eventually can
> >> figure out how to solve problems with computers; sometimes the long
> >> way around.
> >>
> >>
> >>
> >> PROBLEM: We draw all our maps in AUTOCAD. We have a fairly good
> >> "street map" which is based on our "tax map". The Tax map is
> >> really a
> >> collection of about 125 sheets comprising 10,000 parcels, varying
> >> scales, etc.
> >>
> >>
> >>
> >> We edge matched them and produced the street map as one layer but
> >> don't know how (or AUTOCAD won't let us) export it as a polygon
> >> shapefile. As it stands now, it comes out as a "line"
> >> shapefile. The
> >> last edition of the map was sent to a consultant who converted it
> >> to a
> >> "polygon" shapefile, probably using an ESRI product. That costs
> >> money
> >> that we don't have, and we want to do it a couple times per
> >> year. We
> >> use the Map with a database that is used for almost everything
> >> that I
> >> do as well as many other departments also.
> >>
> >>
> >>
> >> Once we get the base layer (polygons) we can do all kinds of GIS
> >> stuff
> >> with it, but we don't have a way to solve the only apparent problem
> >> that I think we have; namely: fixing overshoots and undershoots.
> >>
> >>
> >>
> >> No matter how good our line work is in AUTOCAD, when it comes out
> >> as a
> >> line shapefile, there are thousands (like about 18,000) over or
> >> undershoots. I have figured out how to fix the overshoots in
> >> OpenJUMP
> >> by using the "nodeline" tool, but I don't see how to fix
> >> undershoots.
> >> The "polygonize" tool works great, but it needs "closed
> >> polygons." If
> >> I could fix the undershoots, even by making them into overshoots,
> >> I'd
> >> be fine. I know ARC has "clean" and "Nodesnap" and tools that make
> >> what I want to do easy. The question is: can this be done with
> >> OpenJUMP or one of its plugins? If so, can you advise? I have been
> >> digging around on the web for days!
> >>
> >>
> >>
> >> Sorry for the long email, but I figured more info is better than
> >> less.
> >>
> >>
> >>
> >> Thanks.
> >>
> >>
> >>
> >> Township of Voorhees
> >>
> >>
> >>
> >>
> >>
> >> Michael C. Kane - Municipal Assessor
> >>
> >> [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> >>
> >> www.voorhees-nj.com <http://www.voorhees-nj.com>
> >>
> >> 620 Haddonfield-Berlin Rd.
> >>
> >> Voorhees, NJ 08043
> >>
> >>
> >>
> >> 856-429-7767 (V)
> >>
> >> 856-429-5756 (F)
> >>
> >>
> >>
> ****************************************************************************************************************************************************************
> >>
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> >>
>
> --
> Martin Davis
> Senior Technical Architect
> Refractions Research, Inc.
> (250) 383-3022
>
>
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