[Proj] Finnish KKJ in proj 4.4.9 - Linux vs. Windows
martin.vermeer at hut.fi
Wed Jan 4 09:26:42 EST 2006
On Wed, 2006-01-04 at 11:47 +0100, Roger Oberholtzer wrote:
> On Tue, 2006-01-03 at 17:02 -0500, Frank Warmerdam wrote:
> > Roger,
> > I got matching results on Linux and Windows:
> > cs2cs +proj=latlong +ellps=WGS84 +to +init=esri:2393
> > 24d52.87822 60d12.21644
> > 3382686.81 6678774.91 -24.59
> > I also verified this with the FWTools binaries for cs2cs.
> > Could you try cs2cs on each platform? Then perhaps try
> > the cs2cs that is part of the FWTools build?
> I ran these through the cs2cs on windows that uses the exact same
> dll/tool chain as my program and got the results (correct) as above. I
> then changed my program to use the definitions from the esri file
> direct, as in:
> toProj = pj_init_plus("+proj=tmerc +lat_0=0 +lon_0=27 +k=1.000000 "
> "+x_0=3500000 +y_0=0
> +ellps=intl "
> "+towgs84=-90.7,-106.1,-119.2,4.09,0.218,-1.05,1.37 "
> "+units=m +no_def");
> But I get the exact same difference on windows.
> I have once again verified that the values (lat/long) given is the same
> on both platforms (checked to 8 decimal places). The source code is, as
> I have said, the same. Just the compiler and libs (math and all) are
> different. I am using MSVC++ 6.0.
> I am at a loss as to what I could do to effect these differences. cs2cs
> and my app are both using a proj dll (the exact same one). And that
> cs2cs seems to work.
> > The cs2cs should be doing essentially the same thing as
> > your program.
> I looked at the cs2cs program to sort out how to use the C functions. I
> would expect that it should be doing the EXACT same thing with proj.
This may be a silly remark, but are you sure there aren't any UNIX
newlines left in some of your Windows files? I could imagine the
compiler / compiled programme to react weirdly to this (have sometimes
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