1.5.1.0 quanta.maprec

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quanta.maprec - Function

1.5.1 create record containing list of known unit names and constants

Description

maprec returns a record with the known mapping of units and constants. It has a single argument, which can be a coded string (no-case, minimax match):

all: all of the following units (not constants): also the default
Prefix: known decimal prefixes
SI: known SI units
Customary: a set of customary units known to programs
User: units defined by the user

Arguments


Inputs
v	type of information to list - coded string
	allowed:	string
	Default:	all

Returns
record

Example

"""
#
print "\t----\t maprec Ex 1 \t----"
p = qa.maprec(’pre’) # list decimal prefixes
print p[’Prefix_G’]
#        G         (giga)               1000000000
s = qa.maprec(’SI’)         # list SI units
print s[’SI_Jy’]
#Jy        (jansky)                     1e-26 kg.s-2
#
"""

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