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) >> >> >> **************************************************************************************************************************************************************** >> >> >> 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. >> -- Martin Davis Senior Technical Architect Refractions Research, Inc. (250) 383-3022 ------------------------------------------------------------------------- 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 [email protected] https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
