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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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