[gdal-dev] Find junctions in VMAP with gdal

2015-01-19 Thread marco.stornelli
Hi, I'm reading a VMAP using GDAL and OGDI. It works well but I don't know how to find the road junctions. I'm reading each edge and each edge has got several segments. Now I need to knwo what points are junctions. Is there any easy way to get this information? Is there an API to find this inf

Re: [gdal-dev] WindowsLatin1 encoded strings

2015-01-19 Thread MITANCHEY Richard - CEREMA/DTecTV/ESI/GNSI
Even, Thank you for your excellent suggestion (as always) I'll try to implement it into my Talend TOS project (quite a bit complicated but it may works) Richard Le 19/01/2015 13:17, > Even Rouault (par Internet) a écrit : Le lundi 19 janvier 2015 12:46:20, MITANCHEY Richard - CEREMA/DTecTV/ES

Re: [gdal-dev] Cropping a raster by a polygon - only nodata outside polygon wanted

2015-01-19 Thread mathieu
It's a very nice workaround ! Thanks for the tip ! I think it will be ok for me now :) -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Cropping-a-raster-by-a-polygon-only-nodata-outside-polygon-wanted-tp5181426p5182316.html Sent from the GDAL - Dev mailing list archive at

Re: [gdal-dev] WindowsLatin1 encoded strings

2015-01-19 Thread Even Rouault
Le lundi 19 janvier 2015 12:46:20, MITANCHEY Richard - CEREMA/DTecTV/ESI/GNSI a écrit : > Hi, > I need to get WindowsLatin1 encoded Strings (mapinfo .tab files), and I > cannot really convert original data to UTF-8 before... > I'm using OGR (GDAL Java binding) with GetFieldAsString() but string >

[gdal-dev] WindowsLatin1 encoded strings

2015-01-19 Thread MITANCHEY Richard - CEREMA/DTecTV/ESI/GNSI
Hi, I need to get WindowsLatin1 encoded Strings (mapinfo .tab files), and I cannot really convert original data to UTF-8 before... I'm using OGR (GDAL Java binding) with GetFieldAsString() but string lengths (and chars within) are most of the times incorrect Is there any way to specify read and

Re: [gdal-dev] gdal_polygonize.py TIF to JSON performance

2015-01-19 Thread Graeme B. Bell
>> Whenever you deal with national scale data for any country with coastline, >> you frequently end up with an absolutely gigantic and horrifically complex >> single polygon which depicts the coastline and all the rivers throughout the >> country as a single continuous edge. This mega-polygon, s