Esempio n. 1
0
        ('Co', 'O', 1.7),
        ('Mn', 'Mn', 2.00),
        ('Mn', 'Li', 2.00),
        ('Mn', 'Ni', 2.00),
        ('Mn', 'O', 1.7),
        ('Ni', 'Ni', 2.00),
        ('Ni', 'Li', 2.00),
        ('Ni', 'O', 1.7),
        ('Li', 'Li', 2.40),
        ('Li', 'O', 1.8),
        ('O', 'O', 1.20),
    ])
    ## save engine
    ENGINE.save()
else:
    ENGINE = ENGINE.load(engineSavePath)
    ## unpack constraints before fitting in case tweaking is needed
    PDF_CONSTRAINT, EMD_CONSTRAINT = ENGINE.constraints


#  ####################################################################################  #
#  ############################### DEFINE DIFFERENT RUNS ##############################  #
def normal_run(numberOfSteps=100000, saveFrequency=10000):
    ## reset groups as atoms
    ENGINE.set_groups_as_atoms()
    ## run engine
    ENGINE.run(numberOfSteps=numberOfSteps, saveFrequency=saveFrequency)


def swaps_run(numberOfSteps=100000, saveFrequency=10000):
    ## reset groups as atoms
Esempio n. 2
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INTER_STYLES = [r[0] + r[1]for r in itertools.product(markers, INTER_STYLES)]


# dirname
DIR_PATH = os.path.dirname( os.path.realpath(__file__) )
engineFilePath = os.path.join(DIR_PATH, "CO2.rmc")

# load
ENGINE = Engine(path=None)
result, mes = ENGINE.is_engine(engineFilePath, mes=True)
if not result:
    print mes
    exit()
    
# load engine and get pdf constraint engine
ENGINE = ENGINE.load(engineFilePath)
PDF_CONSTRAINT = ENGINE.constraints[0]

def create_figure(PDF):
    # get output
    output = PDF.get_constraint_value()
    # create figure
    FIG = plt.figure()
    FIG.patch.set_facecolor('white')
    grid = gridspec.GridSpec(nrows=2, ncols=2)
    grid.update(left=0.05, right=0.95, wspace=0.05)
    totalAx = plt.subplot(grid[0, :])
    lowRAx  = plt.subplot(grid[1, 0])
    highRAx = plt.subplot(grid[1, 1])
    # set axis ticks
    highRAx.get_yaxis().set_ticks([])
Esempio n. 3
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    B_CONSTRAINT = BondConstraint()
    BA_CONSTRAINT = BondsAngleConstraint()
    # add constraints
    ENGINE.add_constraints(
        [PDF_CONSTRAINT, IMD_CONSTRAINT, B_CONSTRAINT, BA_CONSTRAINT])
    B_CONSTRAINT.create_bonds_by_definition(bondsDefinition={
        "CO2": [('C', 'O1', 0.52, 1.4), ('C', 'O2', 0.52, 1.4)]
    })
    BA_CONSTRAINT.create_angles_by_definition(
        anglesDefinition={"CO2": [('C', 'O1', 'O2', 170, 180)]})
    # initialize constraints data
    ENGINE.initialize_used_constraints()
    # save engine
    ENGINE.save()
else:
    ENGINE = ENGINE.load(enginePath)
    # unpack constraints before fitting in case tweaking is needed
    PDF_CONSTRAINT, IMD_CONSTRAINT, B_CONSTRAINT, BA_CONSTRAINT = ENGINE.constraints

# set all constraints as used. Used value is True by default!
# Now you know you can deactivate any constraint at any time though.
PDF_CONSTRAINT.set_used(True)
IMD_CONSTRAINT.set_used(True)
B_CONSTRAINT.set_used(True)
BA_CONSTRAINT.set_used(True)


##########################################################################################
#####################################  DIFFERENT RUNS  ###################################
def run_atoms(ENGINE, rang=None, recur=None, xyzFrequency=500):
    ENGINE.set_groups(None)