As far as I remember Mapmaker (http://www.mapmaker.com/) used to have tools for undershoot and overshoot. Anyhow I agree with Nacho (Kosmo Cad tools) , but thousands of undeshoots seems to hard to correct.
Peppe --- Larry Becker <[EMAIL PROTECTED]> ha scritto: > Does anyone have a link to a web page that talks > about the requirements of > undershoot, overshoot, etc.? I'm wondering if you > have, for instance, three > lines ending at (within tolerance ) the same point, > how do you decide which > point to snap the ends to? Pick one end randomly, > average their positions, > or what? Should there be options for one layer to > be considered the master, > and all others (or editable layers only?) snap to > it? > > Larry > > On Thu, Jun 12, 2008 at 12:00 PM, Nacho Uve > <[EMAIL PROTECTED]> wrote: > > > 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) > >> >> > === message truncated ===> ------------------------------------------------------------------------- > Check out the new SourceForge.net Marketplace. > It's the best place to buy or sell services for > just about anything Open Source. > http://sourceforge.net/services/buy/index.php> _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > ___________________________________ Scopri il Blog di Yahoo! 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