Extract values from a matrix by lat lon coordinates
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Sourangsu Chowdhury
el 23 de Oct. de 2018
Respondida: KSSV
el 23 de Oct. de 2018
I have a 3 dimensional matrix say X= n*n*data ; where the 3 dimensions represent lat lon and data and X is at 0.5 degree resolution. The I have a another series of lat lon points say
W=[20 80
20.2 80.4]
These lat lon points lie within the lat lon limits of X, but do not necessarily coincide with the resolution. I want to find the values of data with respect to the coordinates in W. I tried inpolygon, which rather than giving values for these specific points gives values within the polygon created with the coordinates in W as bound
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KSSV
el 23 de Oct. de 2018
Read about interp2
loni = [20 20.2] ;
lati = [80 80.4] ;
zi = interp2(lon,lar,data,loni,lati) ;
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