From: Rahul... हम प. उ. ग. के <rah...@gm...> - 2009-09-23 11:28:07
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Hi Jody, So now as you have seen the behaviour, can you tell me what is the problem? Why those two layers don't overlap in different projections? Is this a bug or it is meant to happen that way? 2009/9/23 Jody Garnett <jod...@gm...> > Hi Rahul: > > Your data set seems to be quite far south at -82.493. That far south lat > long coordinates can be pretty numerically unstable as your example shows. > > I went through replacing your CRS definition from your prj file with the > official definition from the EPSG database and was able to get your two > rectangles to take on different shapes. > > Thanks for attaching the files; you may also wish to compare the result > with uDig 1.2 M6 vs uDig 1.2 M7 since we upgraded the EPSG code definitions. > > Jody > > > On 23/09/2009, at 6:23 PM, Rahul... हम पंछी उन्मुक्त गगन के wrote: > > Hi All, I have two shape files, having UTM 11C(EPSg : 32711) and WGS >> 84(EPSG : 4326) projections. When I open them in a map, then they overlap in >> the UTM projection, but when I change the projection to WGS 84 then they >> don't overlap. I don't know whats the problem, because I think, if the >> layers overlap in one projection then they must overlap in other projections >> also. Please help in this regard. I am attaching the files for your >> reference. >> >> -- >> Thanks, >> Rahul >> <test reprojection.zip> >> > > -- Thanks, Rahul |