Aran Clary Deltac > GIS-Distance > GIS::Distance::Formula

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Module Version: 0.08   Source  

NAME ^

GIS::Distance::Formula - Role for all the GIS::Distance::Formula:: classes.

DESCRIPTION ^

This role enforces an API and provides shared information for the formula classes that use it.

ATTRIBUTES ^

kilometer_rho

Number of kilometers around the equator of the earth. Defaults to 6371.64.

deg_ratio

Number of units in a single decimal degree (lat or lon) at the equator. The default, 0.0174532925199433, is derived from:

  $gis->distance( 10,0 => 11,0 )->km() / $gis->kilometer_rho()

AUTHOR ^

Aran Clary Deltac <bluefeet@cpan.org>

LICENSE ^

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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