diagfi_P.nc 0.0 1 temp -20 25 100 35 2 -20 25 100 35 14 20 -25 100 35 12 20 25 50 40 16 !! in the example above we extract the temperature ("temp" variable) at !! lon=-20 lat=25 alt=100 Ls=35 LT=2 !! lon=-20 lat=25 alt=100 Ls=35 LT=14 !! lon=20 lat=-25 alt=100 Ls=35 LT=12 !! lon=20 lat=25 alt=50 Ls=40 LT=16 !! from a file which "starts" (has time=0.0) at Ls=30 (so we have to !! add an offset of 193 sols). !! Note that since the input file vertical coordinate is pressure, !! specifying alt=100 implies that we seek data at 100Pa.