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mapper.ne.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 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.

Signature

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