mapper.gt.lon
mapper
This mapper function returns the first longitude in a sliding window which is greater than a given threshold.
The associated latitude, elevation and value are those of the selected longitude.
The mapper.gt.lon
function must be parameterized with the threshold.
mapper.gt.lon is available since version 2.2.0.
See also
Signatures
Examples
// Remember longitudes and latitudes are approximated, so the result of the MAP may not be what you expect.
NEWGTS
10 1 2 3 2.0 ADDVALUE
20 4 5 6 5.0 ADDVALUE
30 7 8 9 1.0 ADDVALUE
[ SWAP 5 mapper.gt.lon 0 0 0 ] MAP