Hi, maybe you should try a different approach with R, i was having a similar issue calculating NDVI with R, then i changed the way i was doing the calculations and it really sped up the process. Sorry i can't help you more but i'm not an R expert, maybe you should ask somewhere else.
good luck On Thursday, December 19, 2013 6:14:38 AM UTC-6, alobo wrote: > > I have to calculate the average multi-spectral image (6 bands) > over a set of ~100 images (6x1024x1280). That is, having 3 multiespectal > images A,B and C, I need M in which band1 is the average band1 of A, B and > C > and so on. Also, I first subtract the mean for each band. > > I currently do this in R, but takes a very long time. I essentially > make an stack (which is like a vrt file) with all bands and then > calculate the average of bands 1,7,13... > 2,8, 14... etc > Is there a way of making this > calculation using either otb_cli or python-otb ? > > Thanks > > Agus > -- -- 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 the Google Groups "otb-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
