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) > > > **************************************************************************************************************************************************************** > CONFIDENTIAL AND PROPRIETARY: > This email message is intended only for the use of the individual or > entity to which it is addressed and may contain information that is > privileged and confidential; nor is it, unless specifically stated, > intended to be relied upon by any person or persons other than the > individual or entity named above and no warranties or representations > are made or intended to persons or entities not named above. If the > reader is not the intended recipient, you are hereby notified that any > dissemination, distribution or copying of this communication is > strictly prohibited. If you have received this communication in > error, please notify us immediately by telephone, return this message > to [EMAIL PROTECTED] and delete all copies. Thank you. > ------------------------------------------------------------------------- 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
