[Gdal-dev] Re: Problem using EPSG in C#

[Tamas Szekeres]

Tomas,

Thank you for the detailed analysis of the problem. I'm working on
this issue and will notify you if I have further information. In the
meantime I would suggest to submit a ticket including the example
code.

http://trac.osgeo.org/gdal/newticket

Best regards,

Tamas Szekeres


2007/5/9, Tomas R <monshi at home.se>:
> I add to previous posts  a try with FileMon.
>
> I start with calling gdal.PusFinderLocation and gdal.SetConfigOption, I
> verify with gdal.GetConfigOtion that the path is set correct but when I
> try setting up a SpatialReference the path I have set is completely ignored.
> A bug in C# implementation or do I miss something vital?
>
> The path found with FileMon is, for example:
>
> GdalTest1.vshos:2028    OPEN    D:\Documents and Settings\Tomas\Mina
> dokument\Visual Studio
> 2005\Projects\GdalTest1\GdalTest1\bin\Debug\csv\horiz_cs.csv    PATH NOT
> FOUND   Options: Open  Access: Read
>
> (the path should bee C:\Program\FWTools1.2.2\data\)
>
> Perhaps I should skip EPSG completely but it seems to bee such nice and
> simple approach! And I don't like to leave things that don't work, but
> should work, behind me!
>
> Please
> help
> /Tomas
>
> Tomas R skrev:
>
> > To perhaps make things a bit clearer:
> > I use GDAL for C# found in the distribution with FWTools. It works like
> > a charm when using WKT-strings for setting up the SpatialReferences, as
> > long as I get the strings correct. My environment is WinXP and Visual
> > Studio Express 2005.
> >
> > I have a small stand-alone test application where I check how GDAL works
> > and try new ways to do things. This one compiles to a single executable.
> > When I try the EPSG-codes they work if I copy the data-files (all the
> > csv and others) to the root of the project in VSE. When compiled this
> > gives that the data-files are in the same folder as the executable and
> > the depending C#-DLLs.
> > But I can't make it work if the data-files are on any other location, on
> > any other path!
> > I try with
> > GDAL.gdal.SetConfigOption("GDAL_DATA",@"C:\Program\FWTools1.2.2\data\");
> > and
> > GDAL.gdal.PushFinderLocation(@"C:\Program\FWTools1.2.2\data\");
> > but no success. Is the paths badly formed? Are more paths needed?
> >
> > The goal is to use the EPSG-method in my main-application, a dll which
> > is plugged in to another software. There I can't get it work in anyway,
> > I have tried the same approach of copying the data-files to no luck.
> >
> > What do I miss? How do I properly set up the path to the data-files? Do
> > I miss some initialization command? Can I query GDAL and check the setup
> > or the available data-files?
> >
> > Yours
> > Tomas
>
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