RE: MI Uncombine polygons
Claes, To uncombine objects I use a free tool called PolyPlus that can be found at Directions Magazine at http://www.directionsmag.com/tools/Default.asp?a=catdetails&title=&id=10&ProductID=&orderby=&Page=15&Pagesize=10 This tool is simple to use - just select an object or the whole table and press the uncombine button. It has saved me hours of work. Cheers, Ian. > >It is easy to combine polygons, for example a group of islands, to a region >in Mapinfo. >But how to split them again to individual polygons using a field in the >database. >I know how to divide them graphically, but I need to do it in one stroke. >I.E the opposite of "Combine objects by Column". >The only way I found out is to export them ti MIF and edit the MIF/MID >files. >Not very fun i you have many polygon groups. > > > >** >Claes Hildesson > >Post och fakturaadress: >Kulturgeografiska institutionen >Handelshögskolan vid Göteborgs Universitet >Box 630 >SE - 405 30 Göteborg >Sweden > >Besöks- och leveransadress: >Vasagatan 1 >411 80 Göteborg > > >e-mail: [EMAIL PROTECTED] >phone: +46 031-773 14 10 >*** >-- >To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put >"unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED] __ Get Your Private, Free Email at http://www.hotmail.com -- To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
RE: MI Uncombine polygons
Hi folks - Have wanted a solution for this for a while. The DXF method works but it doesn't handle islands correctly. The workaround I have been using is ArcLink. Export the map to an E00 file and it will force it to arc-node topology. Reimport it from e00 and it will recreate the layer, but with the complex regions built as individual polygons. All the data remains intact and the islands are recreated. The translator is a little cranky if your data is not clean, that is, with bow-ties and figure 8s, but if it is clean, it seems to work OK. Hope this helps. Lindsay Giles Senior GIS Analyst AXYS Environmental Consulting Ltd Suite 600-555 4th Ave. SW Calgary, AB T2P 3E7 e-mail: [EMAIL PROTECTED] Main Office:403-269-5150 Direct Line:403-750-7671 Fax:403-269-5245 Visit our web site at http://www.axys.net -Original Message- From: PERRY Chris [SMTP:[EMAIL PROTECTED]] Sent: Monday, March 13, 2000 5:27 PM To: 'claes hildesson'; [EMAIL PROTECTED] Subject:RE: MI Uncombine polygons Claes, Here's how you do it. 1. Open the table in MapInfo. And note the projection of the table (Map > Options > Projection) 2. Choose from the menu Table > Export to export the table as a DXF file. 3. Change the Save File as Type box to AutoCAD DXF (*.dxf) 4. Choose the location to save the DXF file 5. In the DXF Export Information dialog box, Uncheck "Preserve Multi-Polygon Regions as DXF Blocks", Check "Preserve Attribute Data". Click OK 6. Choose from the menu Table > Import 7. Change the File as Type box to AutoCAD DXF (*.dxf) 8. Choose the location of the file, click Open 9. Check "Preserve Attribute Data", Uncheck "Preserve Multi-Polygon Regions as DXF Blocks",Choose the projection of the file. You should now have a table containing the multi polygon objects broken down into separate objects. Hope this helps, Chris Perry Systems Development CoOrdinator Parks Victoria Melbourne, Australia Ph: 61 3 9816 6800 Fax: 61 3 9816 9876 [EMAIL PROTECTED] -Original Message- From: claes hildesson [mailto:[EMAIL PROTECTED]] Sent: Tuesday, 14 March 2000 3:41 To: [EMAIL PROTECTED] Subject: MI Uncombine polygons It is easy to combine polygons, for example a group of islands, to a region in Mapinfo. But how to split them again to individual polygons using a field in the database. I know how to divide them graphically, but I need to do it in one stroke. I.E the opposite of "Combine objects by Column". The only way I found out is to export them ti MIF and edit the MIF/MID files. Not very fun i you have many polygon groups. ** Claes Hildesson Post och fakturaadress: Kulturgeografiska institutionen Handelshogskolan vid Goteborgs Universitet Box 630 SE - 405 30 Goteborg Sweden Besoks- och leveransadress: Vasagatan 1 411 80 Goteborg e-mail: [EMAIL PROTECTED] phone: +46 031-773 14 10 *** -- To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED] -- To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED] -- To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
RE: MI Uncombine polygons
Claes, Here's how you do it. 1. Open the table in MapInfo. And note the projection of the table (Map > Options > Projection) 2. Choose from the menu Table > Export to export the table as a DXF file. 3. Change the Save File as Type box to AutoCAD DXF (*.dxf) 4. Choose the location to save the DXF file 5. In the DXF Export Information dialog box, Uncheck "Preserve Multi-Polygon Regions as DXF Blocks", Check "Preserve Attribute Data". Click OK 6. Choose from the menu Table > Import 7. Change the File as Type box to AutoCAD DXF (*.dxf) 8. Choose the location of the file, click Open 9. Check "Preserve Attribute Data", Uncheck "Preserve Multi-Polygon Regions as DXF Blocks",Choose the projection of the file. You should now have a table containing the multi polygon objects broken down into separate objects. Hope this helps, Chris Perry Systems Development CoOrdinator Parks Victoria Melbourne, Australia Ph: 61 3 9816 6800 Fax: 61 3 9816 9876 [EMAIL PROTECTED] -Original Message- From: claes hildesson [mailto:[EMAIL PROTECTED]] Sent: Tuesday, 14 March 2000 3:41 To: [EMAIL PROTECTED] Subject: MI Uncombine polygons It is easy to combine polygons, for example a group of islands, to a region in Mapinfo. But how to split them again to individual polygons using a field in the database. I know how to divide them graphically, but I need to do it in one stroke. I.E the opposite of "Combine objects by Column". The only way I found out is to export them ti MIF and edit the MIF/MID files. Not very fun i you have many polygon groups. ** Claes Hildesson Post och fakturaadress: Kulturgeografiska institutionen Handelshögskolan vid Göteborgs Universitet Box 630 SE - 405 30 Göteborg Sweden Besöks- och leveransadress: Vasagatan 1 411 80 Göteborg e-mail: [EMAIL PROTECTED] phone: +46 031-773 14 10 *** -- To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED] -- To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
