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mapper.lt.lon

mapper

This mapper function returns the first longitude in a sliding window which is less than a given threshold.

The associated latitude, elevation and value are those of the selected longitude.

The mapper.lt.lon function must be parameterized with the threshold.

mapper.lt.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.lt.lon 0 0 0 ] MAP