[gdal-dev] [Proj] Pixel Shifts When Warping

[Even Rouault]

Le dimanche 17 mai 2015 12:54:44, Markus Neteler a écrit :
> On Sun, May 17, 2015 at 6:44 AM, Yuta Sato <yutaxsato at gmail.com> wrote:
> > Dear GDAL and Proj Developers and Users:
> > 
> > I am really frustrated when the MODIS HDF file converted into GeoTiff
> > with GCS projection never match with the same MODIS file  converted from
> > MODIS Reprojection tool.
> 
> We had this issue in the past, too, for our "EuroLST" project
> (gap-filling of all LST maps for Europe, see
> http://gis.cri.fmach.it/eurolst/).
> Solved since then, see below.
> 
> ...
> 
> > Do you have any idea on which is more precise: gdalwarp or MRT? Or there
> > is any way in gdalwarp to get the same image as MRT gives?
> 
> You may take a look at
> http://pymodis.fem-environment.eu/
> 
> pyModis >= 1.0 comes with fast GDAL support (way faster than MRT).
> 
> The details of the gdalwarp usage you find in the source code here:
> https://github.com/lucadelu/pyModis/blob/master/pymodis/convertmodis_gdal.p
> y

Markus,

for the sake of my curiosity, could you explain what specific stuff it does 
compared to gdalwarp ? I quickly skimmed through the file and only saw regular 
use of the GDAL warping API. But perhaps I missed something.

Even

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