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DAMASK_EICMD
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using numpy random

This commit is contained in:
Martin Diehl 2015-12-17 21:26:59 +00:00
parent b6cb7b45ea
commit bbb00b30e8
1 changed files with 7 additions and 9 deletions
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16
lib/damask/orientation.py
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@ -4,7 +4,7 @@
# NOTE: everything here needs to be a np array #
###################################################
import math,random,os
import math,os
import numpy as np
# ******************************************************************************************
@ -371,14 +371,12 @@ class Quaternion:
def fromRandom(cls,randomSeed = None):
if randomSeed == None:
randomSeed = int(os.urandom(4).encode('hex'), 16)
random.seed(randomSeed)
r1 = random.random()
r2 = random.random()
r3 = random.random()
w = math.cos(2.0*math.pi*r1)*math.sqrt(r3)
x = math.sin(2.0*math.pi*r2)*math.sqrt(1.0-r3)
y = math.cos(2.0*math.pi*r2)*math.sqrt(1.0-r3)
z = math.sin(2.0*math.pi*r1)*math.sqrt(r3)
np.random.seed(randomSeed)
r = np.random.random(3)
w = math.cos(2.0*math.pi*r[0])*math.sqrt(r[2])
x = math.sin(2.0*math.pi*r[1])*math.sqrt(1.0-r[2])
y = math.cos(2.0*math.pi*r[1])*math.sqrt(1.0-r[2])
z = math.sin(2.0*math.pi*r[0])*math.sqrt(r[2])
return cls([w,x,y,z])