twilightResidualsMap | R Documentation |
Spatial maps of twilight residuals
twilightResidualsMap(twilight, rise, grid, zenith = 96)
twilight |
an observed time of twilight |
rise |
|
grid |
raster object that define the sampling grid. |
zenith |
the solar zenith angle that defines twilight. |
This function calculates the twilight residuals corresponding to a single observed twilight across a grid of locations.
a raster of twilight residuals (in minutes).
twilightResiduals
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