def test3(self):
'''create pure python representation of a homogeneous scatterer with
composite kernel. render the c++ computation engine of that kernel.
'''
#shape
from mccomposite.geometry import primitives
shape = primitives.block( (1,1,1) )
#kernel
nprinter = NeutronPrinter( )
#composite kernel
composite_kernel = hs.compositeKernel()
composite_kernel.addElement( nprinter )
#scatterer
scatterer = hs.homogeneousScatterer(
shape, composite_kernel)
#render the c++ representation
cscatterer = hs.scattererEngine( scatterer )
for i in range(10):
ev = mcni.neutron( r = (0,0,-5), v = (0,0,1) )
cscatterer.scatter(ev)
continue
return
def test3(self):
'''create pure python representation of a homogeneous scatterer with
composite kernel. render the c++ computation engine of that kernel.
'''
#shape
from mccomposite.geometry import primitives
shape = primitives.block((1, 1, 1))
#kernel
nprinter = NeutronPrinter()
#composite kernel
composite_kernel = hs.compositeKernel()
composite_kernel.addElement(nprinter)
#scatterer
scatterer = hs.homogeneousScatterer(shape, composite_kernel)
#render the c++ representation
cscatterer = hs.scattererEngine(scatterer)
for i in range(10):
ev = mcni.neutron(r=(0, 0, -5), v=(0, 0, 1))
cscatterer.scatter(ev)
continue
return
def onHe3Tube( self, he3tube ):
'''construct computation engine of given he3tube description'''
from mccomposite.geometry import locate
# assume all elements of he3tube are pixels
pixels = he3tube.elements()
npixels = len(pixels)
#shape of he3tube
shape = he3tube.shape()
if not shape: raise "shape of he3tube %s is not specified" % he3tube
cshape = shape.identify(self)
#make sure pixels are in the he3tube
geometer = he3tube.geometer
for element in pixels:
position = geometer.position(element)/units.length.meter
cposition = self.factory.position( position )
assert self.factory.locate( cposition, cshape ) == "inside", \
"pixel at %s is not inside the tube %s" % (
position, cshape)
continue
#find the axis direction of the he3tube tube
pixel0position = geometer.position(pixels[0]) / units.length.meter
axisDirection = geometer.position(pixels[-1]) / units.length.meter - pixel0position
import numpy, numpy.linalg as nl
axisDirection = numpy.array(axisDirection)
len1 = float(nl.norm(axisDirection))
axisDirection /= len1
#detector length. len1 is the length of (n-1) pixels
tubeLength = len1 * npixels / (npixels-1)
#pressure
pressure = he3tube.pressure()
#kernel
import mccomponents.detector as md
kernel = md.he3tubeKernel(
pressure, self._indexes_in_detsys,
tubeLength, npixels, axisDirection, pixel0position)
try:
mcweights = he3tube.mcweights
except AttributeError:
from mccomponents.detector import default_mc_weights_for_detector_scatterer
mcweights = default_mc_weights_for_detector_scatterer
# treat this detector as a homogeneous scatterer
import mccomponents.homogeneous_scatterer as mh
scatterer = mh.homogeneousScatterer(
shape, kernel,
mcweights = mcweights )
ret = scatterer.identify(self)
return ret
def onHe3Tube(self, he3tube):
'''construct computation engine of given he3tube description'''
from mccomposite.geometry import locate
# assume all elements of he3tube are pixels
pixels = he3tube.elements()
npixels = len(pixels)
#shape of he3tube
shape = he3tube.shape()
if not shape: raise "shape of he3tube %s is not specified" % he3tube
cshape = shape.identify(self)
#make sure pixels are in the he3tube
geometer = he3tube.geometer
for element in pixels:
position = geometer.position(element) / units.length.meter
cposition = self.factory.position(position)
assert self.factory.locate( cposition, cshape ) == "inside", \
"pixel at %s is not inside the tube %s" % (
position, cshape)
continue
#find the axis direction of the he3tube tube
pixel0position = geometer.position(pixels[0]) / units.length.meter
axisDirection = geometer.position(
pixels[-1]) / units.length.meter - pixel0position
import numpy, numpy.linalg as nl
axisDirection = numpy.array(axisDirection)
len1 = float(nl.norm(axisDirection))
axisDirection /= len1
#detector length. len1 is the length of (n-1) pixels
tubeLength = len1 * npixels / (npixels - 1)
#pressure
pressure = he3tube.pressure()
#kernel
import mccomponents.detector as md
kernel = md.he3tubeKernel(pressure, self._indexes_in_detsys,
tubeLength, npixels, axisDirection,
pixel0position)
try:
mcweights = he3tube.mcweights
except AttributeError:
from mccomponents.detector import default_mc_weights_for_detector_scatterer
mcweights = default_mc_weights_for_detector_scatterer
# treat this detector as a homogeneous scatterer
import mccomponents.homogeneous_scatterer as mh
scatterer = mh.homogeneousScatterer(shape, kernel, mcweights=mcweights)
ret = scatterer.identify(self)
return ret
def test2(self):
'''create pure python representation of a homogeneous scatterer,
and render the c++ computation engine of that kernel
'''
from mccomposite.geometry import primitives
shape = primitives.block( (1,1,1) )
nprinter = NeutronPrinter( )
scatterer = hs.homogeneousScatterer(shape, nprinter)
#render the c++ representation
cscatterer = hs.scattererEngine( scatterer )
for i in range(10):
ev = mcni.neutron( r = (0,0,-5), v = (0,0,1) )
cscatterer.scatter(ev)
print ev
continue
return
def test2(self):
'''create pure python representation of a homogeneous scatterer,
and render the c++ computation engine of that kernel
'''
from mccomposite.geometry import primitives
shape = primitives.block((1, 1, 1))
nprinter = NeutronPrinter()
scatterer = hs.homogeneousScatterer(shape, nprinter)
#render the c++ representation
cscatterer = hs.scattererEngine(scatterer)
for i in range(10):
ev = mcni.neutron(r=(0, 0, -5), v=(0, 0, 1))
cscatterer.scatter(ev)
print ev
continue
return
def notify(self, parent):
#shape might come from sample assembly xml
try: shape = self._shape
except: shape = None
#
kernel = self._kernel
mcweights = self._mcweights
max_multiplescattering_loops = self._max_multiplescattering_loops
min_neutron_probability = self._min_neutron_probability
packing_factor = self._packing_factor
from mccomponents.homogeneous_scatterer import homogeneousScatterer
scatterer = homogeneousScatterer(
shape, kernel,
mcweights = mcweights,
max_multiplescattering_loops = max_multiplescattering_loops,
min_neutron_probability = min_neutron_probability,
packing_factor = packing_factor,
)
#parent is the Document node.
parent.document = scatterer
return
def onHomogeneousScatterer(self, scatterer):
import mccomponents.homogeneous_scatterer as hs
s = hs.homogeneousScatterer(scatterer.shape(), kernel=None)
s.origin = scatterer
return s
def onHomogeneousScatterer(self, scatterer):
import mccomponents.homogeneous_scatterer as hs
s = hs.homogeneousScatterer(scatterer.shape(), kernel=None)
s.origin = scatterer
return s
