DAMASK_EICMD/lib/damask/util.py

50 lines
1.6 KiB
Python

# -*- coding: UTF-8 no BOM -*-
# damask utility functions
import math
from optparse import OptionParser, Option
try:
import numpy
except:
numpy=None
# Matlab like trigonometric functions that take and return angles in degrees.
for f in ['cos', 'sin', 'tan']:
if numpy:
exec('def %sd(deg): return (numpy.%s(numpy.deg2rad(deg)))'%(f,f))
exec('def a%sd(val): return (numpy.rad2deg(numpy.arc%s(val)))'%(f,f))
else:
exec('def %sd(deg): return (math.%s(deg/180.*math.pi))'%(f,f))
exec('def a%sd(val): return (math.a%s(val)*180./math.pi)'%(f,f))
# -----------------------------
class extendableOption(Option):
# -----------------------------
# used for definition of new option parser action 'extend', which enables to take multiple option arguments
# taken from online tutorial http://docs.python.org/library/optparse.html
ACTIONS = Option.ACTIONS + ("extend",)
STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
def take_action(self, action, dest, opt, value, values, parser):
if action == "extend":
lvalue = value.split(",")
values.ensure_value(dest, []).extend(lvalue)
else:
Option.take_action(self, action, dest, opt, value, values, parser)
def gridLocation(idx,res):
return ( idx % res[0], \
( idx // res[0]) % res[1], \
( idx // res[0] // res[1]) % res[2] )
def gridIndex(location,res):
return ( location[0] % res[0] + \
( location[1] % res[1]) * res[0] + \
( location[2] % res[2]) * res[1] * res[0] )