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mapper.ne.lon

mapper

This mapper function returns the first longitude in a sliding window which is not equal to a given threshold.

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

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

mapper.ne.lon is available since version 2.2.0.

See also

Signatures

Examples

// Because latitudes and longitudes are approximated, this test is a bit tricky. NEWGTS 10 1 2 3 2.0 ADDVALUE 20 4 5 6 5.0 ADDVALUE 30 7 8 9 1.0 ADDVALUE [ SWAP 1.9999999646097422 mapper.ne.lon 0 0 0 ] MAP