Re: [gdal-dev] I have a problem getting higher resolution in a VRT file

2020-08-22 Thread Chang Liao
> In this gis.SE question cubic spline was considered good > https://gis.stackexchange.com/questions/30627/smoothing-reinterpolating-raster-with-gdal > . > > > > > > -Jukka- > > > > > > -----Alkuperäinen viesti----- > > > Lähettäjä: Stephen Woodbridg

Re: [gdal-dev] I have a problem getting higher resolution in a VRT file

2020-08-20 Thread Stephen Woodbridge
i 20. elokuuta 2020 16.58 Vastaanottaja: Rahkonen Jukka (MML) Aihe: Re: [gdal-dev] I have a problem getting higher resolution in a VRT file Hi Jukka, Any thoughts on what would be a better way to upsample and image using GDAL? I assumed, maybe incorrectly, that if I’m up sampling between two pixels

Re: [gdal-dev] I have a problem getting higher resolution in a VRT file

2020-08-20 Thread Rahkonen Jukka (MML)
https://gis.stackexchange.com/questions/30627/smoothing-reinterpolating-raster-with-gdal. -Jukka- -Alkuperäinen viesti- Lähettäjä: Stephen Woodbridge Lähetetty: torstai 20. elokuuta 2020 16.58 Vastaanottaja: Rahkonen Jukka (MML) Aihe: Re: [gdal-dev] I have a problem getting higher resolution

Re: [gdal-dev] I have a problem getting higher resolution in a VRT file

2020-08-20 Thread jratike80
Even Rouault-2 wrote > ... > By default, VRT uses nearest resampling. You must specify something else. > Look for "A resampling attribute can be specified" in > https://gdal.org/drivers/raster/vrt.html > ... > > -- Actually in the provided .vrt file I can see But isn't bilinear unsuitable for

Re: [gdal-dev] I have a problem getting higher resolution in a VRT file

2020-08-20 Thread Even Rouault
On mercredi 19 août 2020 18:41:51 CEST Stephen Woodbridge wrote: > Hi all, > > I've been puzzling over a problem with trying to get a higher resolution > images using a VRT file so low res data looks smoother in mapserver. > > This is my source tif image: > > gdalinfo /maps/wms/data/HYCOM/HYCOM

[gdal-dev] I have a problem getting higher resolution in a VRT file

2020-08-19 Thread Stephen Woodbridge
Hi all, I've been puzzling over a problem with trying to get a higher resolution images using a VRT file so low res data looks smoother in mapserver. This is my source tif image: gdalinfo  /maps/wms/data/HYCOM/HYCOM_today_mlt.tif Driver: GTiff/GeoTIFF Files: /maps/wms/data/HYCOM/HYCOM_today_m