Dear Reinaldo, If you have Autocad Map, try the function Drawing Cleanup in Menu/Map/Tools. It has a lot of options like: delete duplicate objects, erase short objects, break crossing objects, dissolve pseudo nodes, that could help you to solve your problem. Sincerely, Jener Reinaldo Paul Perez Machado wrote: > Hi all: > > Some days ago I have posted this message, and even sent it directly to > some of you. Till now, unfortunatelly I have not had any reply. Can you > please take a minute to write down your oppinion. Is this possible to > solve this situation with ILWIS or not. I would appreciate very much any > aid you can provide. > > Please, some help is required. We are trying to import a bunch of > polygons (parcel map) that was digitized in Microstation using > photogrametry. So the first step was convert them to AutoCAD DXF. Then > we imported into ILWIS, so far so good, they came in nicely, as > polygons, the only problem is that the digitizing was poorly done, so > the area is full of micro areas, duplicate lines, and closed polygons > separated by a gap of 15 to 30 cm even though they are closed, that is a > line that should be one, or at least two at the same exact position and > length. In reality they are two parallel boundary lines, separated just > a few centimeters. We converted the polygon map to segment, then applied > the tunneling with 1 m (more then enough), removing superfluous nodes, > the resulting map was not distorted, and even reduced a bit of size > (some nodes where removed), but the micro areas and the duplicated > parallel sides remain the same. Can you recommend something to solve > this problem? Trying to repair the polygon map manually is more costly > than doing the whole work again using correct digitizing techniques! > > Thanks, in advance, for your help. Best regards, > > Reinaldo
begin:vcard n:Moraes;Jener Fernando Leite de tel;fax:(55 19) 3231-4943 tel;work:Instituto Agronomico de Campinas x-mozilla-html:FALSE url:http://nimnt.barao.iac.br/csra/ org:Instituto Agron�mico de Campinas;Centro de Solos e Recursos Agroambientais adr:;;Av. Bar�o de Itapura, 1481;Campinas;SP;13020-902;Brasil version:2.1 email;internet:[EMAIL PROTECTED] title:Pesquisador Cient�fico fn:Jener Fernando end:vcard
