#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Copyright 2014 California Institute of Technology. ALL RIGHTS RESERVED.
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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# http://www.apache.org/licenses/LICENSE-2.0
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# United States Government Sponsorship acknowledged. This software is subject to
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# (No [Export] License Required except when exporting to an embargoed country,
# end user, or in support of a prohibited end use). By downloading this software,
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# Author: Eric Belz
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~




## \namespace rdf.units.addendum Non metric and user units.
"""his modules instantiates units that do not fit the:

<prefix><metric>

format. Units are collected in to tuples of like dimension, however, that
is utterly unessesary, as the mere act of instaniation memoizes them
in the GLOSSARY

Users could add units here, or perhaps read them from an input file
"""
import operator
import math
from iscesys.Parsers.rdf.units.physical_quantity import *

dBPower('dB', 1)

## Supported _Length conversions
LENGTHS = (Length('in', 0.0254),
           Length('ft', 0.3048),
           Length('mi', 1.609344e3),
           Length('m/pixel', 1))

MASSES = (Mass('g', 0.001), )


## Supported _Area conversions
AREAS = (Area('mm*mm', 1e-6),
         Area('cm*cm', 1e-4),
         Area('km*km', 1e6),
         Area('in*in', 6.4516e-4),
         Area('ft*ft', 9.290304e-2),
         Area('mi*mi', 2.58995511e6))

## Supported _Time conversions
TIMES = (Time('min', 60),
         Time('hour', 3600),
         Time('day', 86400),
         Time('sec', 1),
         Time('microsec', 1e-6))


## Supported _Velocity conversions
VELOCITES = (Velocity('km/hr', operator.truediv(5, 18)),
             Velocity('ft/s', 0.3048),
             Velocity('mi/h', 0.44704))

POWERS = ()

## Supported dB Power
DBPOWERS = (dBPower('dBm', adder=-30),)

## Supported Frequency conversions
FREQUENCIES = (Frequency('rpm', operator.truediv(1,60)),
               Frequency('hz', 1),
               Frequency('Mhz', 1e6))

BYTES = (Byte('bytes', 1),)
PIXELS = (Pixel('pixels', 1),)

## Supported Angle conversions
ANGLES = (Angle('deg', operator.truediv(math.pi,180)),
          Angle('"', operator.truediv(math.pi, 180*3600)),
          Angle("'", operator.truediv(math.pi, 180*60)),
          Angle("arcsec", operator.truediv(math.pi, 180*3600)))

## Supported Temperature Conversions
TEMPERATURES = (Temperature('degK', 1.0, 273),
                Temperature('degF', operator.truediv(5, 9), -32.0))
#                Temperature('eV', 1.602176565e-19/1.3806488e-23))