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#############################################################
## ##
## Copyright (c) 2003-2011 by The University of Queensland ##
## Earth Systems Science Computational Centre (ESSCC) ##
## http://www.uq.edu.au/esscc ##
## ##
## Primary Business: Brisbane, Queensland, Australia ##
## Licensed under the Open Software License version 3.0 ##
## http://www.opensource.org/licenses/osl-3.0.php ##
## ##
#############################################################
"""
Defines the L{SingleParticleGrainGen} class which extends
L{RndGrainGen}.
"""
from esys.lsm.util import *
from esys.lsm.geometry.GeometryPy import *
class SingleParticleGrainGen(RndGrainGen):
"""
Grain generator which can be used in conjunction with
the L{GougeConfigPrms} and L{GrainRandomBoxPacker} classes.
Generates grains which consist of a single particle.
@see: getGrain
"""
def __init__(self, minGRadius, maxGRadius):
"""
Initialise generator.
@type minGRadius: float
@param minGRadius: minimum grain radius
@type maxGRadius: float
@param maxGRadius: maximum grain radius
"""
RndGrainGen.__init__(
self,
minGRadius,
maxGRadius,
minGRadius,
maxGRadius
)
def getGrain(self, p):
"""
Returns a grain consisting of a single particle
which is I{copy-constructed} from C{p}.
@type p: L{SimpleSphere}
@param p: a particle
@rtype: L{Grain}
@return: A grain consisting of a single particle.
"""
g = Grain()
g.createParticle(p)
return g
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