[gdal-dev] Compiling gdal 1.11.1 on ubuntu 14.10

2015-01-15 Thread Zoltan Szecsei
Hi, I compiled QGIS 2.7 successfully on ubuntu 14.10, and then noticed that it had gdal 1.10, so I downloaded the source for gdal 1.11.1 and compiled it. The trouble is that running gdalinfo --version still gives me the 1.10 version. Can anyone spot my deliberate error? This is a new system

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

2015-01-15 Thread David Strip
On 1/13/2015 2:37 AM, Graeme B. Bell wrote: > 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 sing

Re: [gdal-dev] OGRCircularString - full circle from three points

2015-01-15 Thread Martin Landa
Hi, 2015-01-15 11:20 GMT+01:00 Even Rouault : > You can describe a full circle with 3 points by specifying (P1,P2,P1) where > P1-P2 defines a diameter of the circle, but there's an ambiguity on the > orientation to follow the CircularString (which shouldn't matter if the > CircularString is part o

Re: [gdal-dev] OGRCircularString - full circle from three points

2015-01-15 Thread Even Rouault
Selon Martin Landa : > Hi, > > I am working with three points which define a full circle. To describe > it using OGRCircularString > I would need five points defining two circular arcs, right? So in my > case to compute an intermediate point for the second arc, right? Martin, You can describe a