Re: [gdal-dev] using gdalwarp with a new projection in proj.4

2013-07-18 Thread Michael Speth
Even wrote: I see that this projection was only introduced in PROJ 4.8.0, so check your PROJ.4 version. Markus is using Rev 2375 of the proj.4 upstream SVN with the scaling patch for HEALPix/rHEALPix applied from this patch. Thank you for your help! -- M

[gdal-dev] A new ogr driver

2013-07-18 Thread Xian Chen
Hi all, I'm planning to submit a new driver for accessing Walk files, a geospatial data format developed by Walkinfo Tech. mainly for land surveying, evaluation, planning, checking and data analysis in China. Walkinfo Tech. is a China-based company founded since 1999, origignally focused on land

Re: [gdal-dev] using gdalwarp with a new projection in proj.4

2013-07-18 Thread Markus Müller
Hi Evan, removing the '-I' parameter did the trick. For completeness sake, here the gdalwarp call that worked for me: gdalwarp -s_srs EPSG:26711 -t_srs '+proj=rhealpix +lon_0=0 +a=1 +ellps=WGS84 +npole=0 +spole=0 +wktext' ~/data/utm_orig.tif rhealpix.tif Thanks a lot for the help. Mar

Re: [gdal-dev] using gdalwarp with a new projection in proj.4

2013-07-18 Thread Even Rouault
Le jeudi 18 juillet 2013 23:05:45, Markus Müller a écrit : > Hi Frank, > > thanks for the reply. I did as you suggested and gdalsrsinfo acts > accordingly. > > > >>> > gdalsrsinfo '+proj=rhealpix -I +lon_0=0 +a=1 +ellps=WGS84 +npole=0 +spole=0 > +wktext' > > > PROJ.4 : '+proj=rhealpix -I +lon_

Re: [gdal-dev] using gdalwarp with a new projection in proj.4

2013-07-18 Thread Markus Müller
Hi Frank, thanks for the reply. I did as you suggested and gdalsrsinfo acts accordingly. >>> gdalsrsinfo '+proj=rhealpix -I +lon_0=0 +a=1 +ellps=WGS84 +npole=0 +spole=0 +wktext' PROJ.4 : '+proj=rhealpix -I +lon_0=0 +a=1 +ellps=WGS84 +npole=0 +spole=0 +wktext' OGC WKT : PROJCS["unnamed",

Re: [gdal-dev] GRIB2 to NetCDF - Large areas of data missing

2013-07-18 Thread Jason Greenlaw - NOAA Affiliate
Etienne, This workaround seems to have solved my problem, although I needed to increase the value from 1000 to 2000 in some instances (some of the GRIB2 messages worked with 1000, others didn't). So I am now using: gdalwarp -wm 2000 --config GDAL_CACHEMAX 2000 -of netcdf -srcnodata .0 -d

Re: [gdal-dev] gtiff with internal mask

2013-07-18 Thread Duarte Carreira
So... now I 've got issues building the overviews. Gdaladdo loses the transparency so I get to see black areas where I was supposed to see nothing. When I zoom in black disappears. Any known way to overcome this? Thanks, Duarte -Mensagem original- De: Duarte Carreira Enviada: quarta