Done ! Le mercredi 26 novembre 2014 12:03:29 UTC+1, Rashad a écrit : > > Hello, > > On Wed, Nov 19, 2014 at 12:37 PM, remicres <[email protected] > <javascript:>> wrote: > >> The otbProjection of the input image (MOD13Q1 product) is instanciated >> with errors, which explain why reprojection fails. >> Why is the projection so bad? Apparently this comes from the fact that >> the datum is unknown by OSSIM (See this topic >> <https://groups.google.com/forum/?fromgroups#%21topic/otb-users/RuCoBV0ZWl8>). >> >> >> Indeed, ossim-info fails to find that the datum is custom with a >> zero-valued flattening parameter (ossim-info prints that major-axis is not >> equal to minor-axis, that's wrong). >> >> So the problem described in this topic seems to be 100% related to OSSIM >> (By the way proj4 does not seems to be related to this issue becaus >> GDAL/OGR have no problem to deal with the MOD13Q1 custom projection wkt) >> >> If I have the time I will try to find something to fix this. >> (If someone has knowledge to share here about OSSIM >> templates/factories/geometry files, it could be nice!) >> > > maybe you already know... If no you can ask reach to ossim developers at - > https://lists.sourceforge.net/lists/listinfo/ossim-developer > > and you can file bug on their tracker - > http://trac.osgeo.org/ossim/newticket > > > > > Cheers, > > Rémi > > > > > Le mardi 4 novembre 2014 14:19:21 UTC+1, Raúl Nanclares a écrit : >> >> Open the image with a viewer and zoom until you see the shape of the >> pixels. >> El nov 4, 2014 3:36 AM, "remicres" <[email protected]> escribió: >> >>> >>> >>> Le vendredi 31 octobre 2014 16:45:02 UTC+1, Raúl Nanclares a écrit : >>>> >>>> Remi that's the correct definition for the GCS, though it says spheroid >>>> it's a ellipsoid. You have the radius and the flattening parameter (f = >>>> 1/298.257223563). >>>> >>>> You have different GSD in the two images that may be causing the >>>> difference in origin. ¿Can you please check the shape of your pixels? If i >>>> recall correctly when you reproject MODIS using other tools than the ones >>>> i >>>> mentioned before you get parallelogram-shaped pixels not squares. >>>> >>> >>> Sorry... How can I check the shape of my pixels? >>> >>> -- >>> -- >>> Check the OTB FAQ at >>> http://www.orfeo-toolbox.org/FAQ.html >>> >>> You received this message because you are subscribed to the Google >>> Groups "otb-users" group. >>> To post to this group, send email to [email protected] >>> To unsubscribe from this group, send email to >>> [email protected] >>> For more options, visit this group at >>> http://groups.google.com/group/otb-users?hl=en >>> --- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "otb-users" group. >>> To unsubscribe from this topic, visit https://groups.google.com/d/ >>> topic/otb-users/WmeCNAICeww/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> -- >> -- >> Check the OTB FAQ at >> http://www.orfeo-toolbox.org/FAQ.html >> >> You received this message because you are subscribed to the Google >> Groups "otb-users" group. >> To post to this group, send email to [email protected] >> <javascript:> >> To unsubscribe from this group, send email to >> [email protected] <javascript:> >> For more options, visit this group at >> http://groups.google.com/group/otb-users?hl=en >> --- >> You received this message because you are subscribed to the Google Groups >> "otb-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Regards, > Rashad >
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