>I played around with your little program and I discovered to my dismay that >it was not doing what it was supposed to do, specifically that not all the >line segments common to two regions were eliminated. The result was very >unsatisfactory in the context of the original question because most the >common border "dashings" were blurred. > >I tracked the problem to the select statement that is supposed to do the >trick. With my 5.01 version, it should be corrected from "within" to >"entirely within". > >Do not ask me why and I will not ask you why. It simply is. I am pretty sure >that you have trusted a certain logic that MB/MI did not match. I would have >done the same. > >I think that if you make a test on two partially adjacent regions including >a third one totally surrounded by the combination of those two (that was my >original "random" test) and that it shows that the suggested correction >works, you should send some warning to the list. > >Jacques Paris I only tested it on USA.TAB, so I'm not surprised you found something. Thanks for pointing it out. ---------------------------------------------------------------------- To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
