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mapper.gt.lon


mapper
Since v2.2.0
Available on all platforms
See also

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.

Signature

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