Re: [gdal-dev] compiling GDAL with GEOS on Windows

2009-10-02 Thread Christopher Barker
Yilmaz Arslanoglu wrote: I was considering too to utilize the Natural Neighbours concept, not only for nearest neighbour identification, but also for interpolating the values attributed to spatial points. If you google for "triangulation" and "Delaunay" you'll find lots of references and code.

Re: [gdal-dev] compiling GDAL with GEOS on Windows

2009-10-02 Thread Yilmaz Arslanoglu
Hi Peter; Thank you very much for the references. Actually I was considering too to utilize the Natural Neighbours concept, not only for nearest neighbour identification, but also for interpolating the values attributed to spatial points. I guess this time a dynamic version of needs to be implemen

Re: [gdal-dev] compiling GDAL with GEOS on Windows

2009-10-02 Thread Yilmaz Arslanoglu
Hi Bhasker; I use Visual Studio 2008, but actually the problem was forgetting to make a complete clean before building it with the modified options. So as Frank said, it will be nice to call "nmake /f makefile.vc clean" before the build. Regards, Yilmaz On Fri, Oct 2, 2009 at 9:14 AM, spbhasker

Re: [gdal-dev] compiling GDAL with GEOS on Windows

2009-10-02 Thread spbhasker bachi
hi. which version of vc++ are you using.. coz if u are using vc++ 6.0 you need to make some changes in some codes. also do study the nmake.opt file & check i all the paths are set properly. hope this helps.. bhasker On Thu, Oct 1, 2009 at 10:24 PM, Yilmaz Arslanoglu < yilmaz.arslano...@gmail.c

Re: [gdal-dev] compiling GDAL with GEOS on Windows

2009-10-01 Thread Peter J Halls
Yilmaz, I'll leave the GEOS / Windows compilation bit to those who know! However, I can help on the nearest neighbour issue as I have done some research in this area. To do it properly is non-trivial: indeed, it is effectively a Dirichlet / Voronoi tessellation problem. For an outline an

Re: [gdal-dev] compiling GDAL with GEOS on Windows

2009-10-01 Thread Frank Warmerdam
Yilmaz Arslanoglu wrote: If you specify a point to OGRLayer::SetSpatialFilter() you should only get back features that intersect that point. Then do you have an idea how the "intersect" would behave between a line string and a point? (I would expect TRUE if the point lies on any of the line str

Re: [gdal-dev] compiling GDAL with GEOS on Windows

2009-10-01 Thread Yilmaz Arslanoglu
Hi Frank; > Make sure you do a "nmake /f makefile.vc clean" after any change to Thank you very much, actually I should have already thought this before :) Now it runs quite OK. > If you specify a point to OGRLayer::SetSpatialFilter() you should only > get back features that intersect that point.

Re: [gdal-dev] compiling GDAL with GEOS on Windows

2009-10-01 Thread Frank Warmerdam
Yilmaz Arslanoglu wrote: Hi; I am trying to build and install the GDAL library on Windows XP using the following commands: nmake /f makefile.vc nmake /f makefile.vc install nmake /f makefile.vc devinstall In order to build with GEOS support, I uncommented the lines in the "nmake.opt"

[gdal-dev] compiling GDAL with GEOS on Windows

2009-10-01 Thread Yilmaz Arslanoglu
Hi; I am trying to build and install the GDAL library on Windows XP using the following commands: nmake /f makefile.vc nmake /f makefile.vc install nmake /f makefile.vc devinstall In order to build with GEOS support, I uncommented the lines in the "nmake.opt" as follows: GEOS_DIR=C:\ge