[Qgis-developer] Re: Raster providers

Radim Blazek radim.blazek at gmail.com
Mon Jan 10 16:09:34 EST 2011

Thanks for testing and sorry for inconvenience,
indeed , the callback function was left in raster layer, I have
commited temporary fix.
Later we have to add signals to providers.


On Mon, Jan 10, 2011 at 8:16 PM, Alexander Bruy
<alexander.bruy at gmail.com> wrote:
> Hi Radim,
> I try to build raster providers branch on Windows with MSVC Express 2008
> against dependencies from OSGeo4W (gdal 1.7.3) and get next error:
> Linking...
>   Creating library D:\devel\raster\build\src\providers\gdal\RelWithDebInfo\gdalprovider.lib and object D:\devel\raster\build\src\providers\gdal\RelWithDebInfo\gdalprovider.exp
> qgsgdalprovider.obj : error LNK2019: unresolved external symbol "int __stdcall progressCallback(double,char const *,void *)" (?progressCallback@@YGHNPBDPAX at Z) referenced in function "public: virtual void __thiscall QgsGdalProvider::populateHistogram(int,class QgsRasterBandStats &,int,bool,bool)" (?populateHistogram at QgsGdalProvider@@UAEXHAAVQgsRasterBandStats@@H_N1 at Z)
> D:\devel\raster\build\src\providers\gdal\RelWithDebInfo\gdalprovider.dll : fatal error LNK1120: 1 unresolved externals
> Any hints on this?
> Thanks
> On Sat, 8 Jan 2011 20:26:24 +0100
> Radim Blazek <radim.blazek at gmail.com> wrote:
>> Hi all,
>> new raster providers are ready for testing. The work is not yet
>> finished but all the old functionality should be available. Current
>> status:
>> - GDAL: on-the-fly reprojection via gdal warp, quite slow, I have not
>> yet implemented the trick used in Mapserver Marco pointed me to.
>> Please let me know, if you consider the speed at least acceptable for
>> real work. The speed depends especially on output display size.
>> - GRASS: all the old functionality is back, the data are provided
>> instead of just a picture so that it is possible to assign a style in
>> QGIS like it was possible with GRASS via GDAL, reprojection is not yet
>> implemented
>> - WMS: should work like before, the requested SRS does not yet follow
>> current project projection
>> Please test the raster providers branch and let me know about problems:
>> svn co https://svn.osgeo.org/qgis/branches/raster-providers
>> I would like to merge the branch to trunk and continue the work in trunk.
>> Radim
>> _______________________________________________
>> Qgis-developer mailing list
>> Qgis-developer at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/qgis-developer
> --
> Alexander Bruy

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