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- MSG1-HRIT-pgm-image-reprojection
- 07-05-2006
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Hi Everybody
I am using R.Alblas (Xrit2pic) and D.Taylor (MSG Data Manager) to
decode MSG-1 HRIT ( I receive them through Eumetsat Eumetcast )
images to 10bit pgm format.
I want to reproject these images to WGS84 but the problem is that the
only software (I know that GDAL can reproject them but I am not
familiar with it yet) I've found till now that can import pgm and
reproject it is ILWIS (http://www.itc.nl/ilwis/ ).
Using in ILWIS GDAL import utility and defining as projection CGMS -
MSG Perspective I try to resample the image defining output projection
WGS84 but I don't now why, I get as output image a blank one with
min-max DN=0 .
Do anybody know exactly (step by step) the process of Defining MSG1
projection and how to reproject it to WGS84 using ILWIS ?
Thanks in advance
Kostas
PS: I've read again and again Ilwis help file and made many tries but
I am still confused what I am doing wrong :-(
I am using R.Alblas (Xrit2pic) and D.Taylor (MSG Data Manager) to
decode MSG-1 HRIT ( I receive them through Eumetsat Eumetcast )
images to 10bit pgm format.
I want to reproject these images to WGS84 but the problem is that the
only software (I know that GDAL can reproject them but I am not
familiar with it yet) I've found till now that can import pgm and
reproject it is ILWIS (http://www.itc.nl/ilwis/ ).
Using in ILWIS GDAL import utility and defining as projection CGMS -
MSG Perspective I try to resample the image defining output projection
WGS84 but I don't now why, I get as output image a blank one with
min-max DN=0 .
Do anybody know exactly (step by step) the process of Defining MSG1
projection and how to reproject it to WGS84 using ILWIS ?
Thanks in advance
Kostas
PS: I've read again and again Ilwis help file and made many tries but
I am still confused what I am doing wrong :-(
