[gdal-dev] gdalwarp and the -wm switch

2016-02-25 Thread Neumann, Andreas
Hi, I wonder if there are any recommendations regarding the -wm _memory_in_mb setting._ Should I use this setting or just ignore it? My machines usually have plenty of RAM. Do I have to increase this value if I want to utilize the available RAM or is this done automatically and this settings

[gdal-dev] Reprojecting orthoimages and transparent borders

2016-02-25 Thread Neumann, Andreas
Hi, When reprojecting RGB orthoimages with gdalwarp from one projection system into another, there is often rotation involved and thus there will be black pixels around the borders. My target format is TIFF with JPEG compression. Is there a way to tell gdalwarp to set these nodata pixels transp

Re: [gdal-dev] libkml driver get document name

2016-02-25 Thread Rashad Kanavath
On Thu, Feb 25, 2016 at 2:44 PM, Even Rouault wrote: > On Thursday 25 February 2016 14:17:01 Rashad Kanavath wrote: > > Hello Even, > > > > On Wed, Feb 24, 2016 at 5:23 AM, Even Rouault < > even.roua...@spatialys.com> > > > > wrote: > > > Le mardi 23 février 2016 14:50:35, jan vaillant a écrit :

[gdal-dev] gdalwarp and gdaladdo in multi-threaded mode

2016-02-25 Thread Neumann, Andreas
Hi, I noticed that in GDAL >2.0 some utilities and operations support multi-threaded calculations, such as the gdalwarp utility. I tested it and it seems to work well. I can see that multiple CPU cores are busy. Question 1: in gdalwarp there are at least two ways to tell that it should use more

Re: [gdal-dev] libkml driver get document name

2016-02-25 Thread Even Rouault
On Thursday 25 February 2016 14:17:01 Rashad Kanavath wrote: > Hello Even, > > On Wed, Feb 24, 2016 at 5:23 AM, Even Rouault > > wrote: > > Le mardi 23 février 2016 14:50:35, jan vaillant a écrit : > > > Hi list, > > > > > > I am reading a zipped kml with gdal's libkml driver. I am trying to >

Re: [gdal-dev] libkml driver get document name

2016-02-25 Thread Rashad Kanavath
Hello Even, On Wed, Feb 24, 2016 at 5:23 AM, Even Rouault wrote: > Le mardi 23 février 2016 14:50:35, jan vaillant a écrit : > > Hi list, > > > > I am reading a zipped kml with gdal's libkml driver. I am trying to > access > > the name tag of the document: > > > > > > > > a_name > > I di