Exemple #1
0
 def get_vectors(self, atoms):
     if self.movemode == 2:
         deloc = Delocalizer(atoms, periodic=True, dense=True)
         coords = PC(deloc.x_ref.flatten(),
                     deloc.masses,
                     atoms=deloc.atoms,
                     ic=deloc.ic,
                     Li=deloc.u)
     else:
         deloc = Delocalizer(atoms)
         tu = deloc.u
         if self.constr:
             e = deloc.constrainStretches()
             deloc.constrain(e)
             tu = deloc.u2
         if not self.ads:
             coords = DC(deloc.x_ref.flatten(),
                         deloc.masses,
                         atoms=deloc.atoms,
                         ic=deloc.ic,
                         u=tu)
         else:
             cell = self.atoms.get_cell() * self.cell_scale
             coords = CDC(deloc.x_ref.flatten(),
                          deloc.masses,
                          unit=1.0,
                          atoms=deloc.atoms,
                          ic=deloc.ic,
                          u=tu,
                          cell=cell)
     return coords.get_vectors()
Exemple #2
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    def initialize(self):
        #initialize curvilinear coordinates
        
        d = Delocalizer(self.atoms,periodic=self.is_periodic,dense=True, weighted=False)
        if self.is_periodic:
            #NOT IMPLEMENTED YET
            pass
        else:
            self.coords = DC(d.x_ref.flatten(), d.masses, internal=True, 
                    atoms=d.atoms, ic=d.ic, L=None, Li=None, u=d.get_U(), 
                    biArgs={'RIIS': 4, 'RIIS_maxLength': 6, 'maxStep':0.5,})

        #setup model Hessian
        self.init_hessian()
Exemple #3
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from ase.io import read
from winak.globaloptimization.delocalizer import *
from winak.curvilinear.Coordinates import DelocalizedCoordinates as DC

m = read('../testsystems/rea.xyz')
e = Delocalizer(m, dense=True)
d = []

n = 17

#c_vec = e.constrainStretches()
#e.constrain(c_vec)
coords=DC(e.x_ref.flatten(), e.masses, internal=True, atoms=e.atoms, \
             #ic=e.ic, L=None, Li=None,u=e.get_constrained_U(),

             ic=e.ic, L=None, Li=None,u=e.get_U(),
             biArgs={'maxiter':100,'RIIS': True,
                 #'col_constraints':e.constraints_cart,
                 #'row_constraints':e.constraints_int,
                 })

coords.write_jmol('cdol')  #constrained delocalizing out loud
"""
The next loop prints the C-C distance after displacing along a delocalized internal.
It varies by about 10%.
"""

#tmp=read('../testsystems/clethen.xyz')
#for i in coords.get_vectors():
#tmp.set_positions(e.x_ref+i)
##view(m)
#print np.linalg.norm(tmp[1].get_position()-tmp[0].get_position())
Exemple #4
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from winak.globaloptimization.delocalizer import *

m = read('../testsystems/clethen.xyz')

#TEST ICLIST
iclist = [
    1, 1, 2, 1, 1, 3, 1, 1, 4, 1, 2, 5, 1, 2, 6, 2, 1, 5, 2, 2, 2, 4, 1, 2, 3,
    4, 1, 2, 5, 6, 2, 2, 2, 3, 1, 2, 1, 6, 2, 3, 3, 1, 2, 5, 3, 3, 1, 2, 6, 3,
    4, 1, 2, 6, 3, 4, 1, 2, 5, 4, 2, 3, 4, 1, 4, 6, 1, 5, 2, 0
]

#DENSE
d = Delocalizer(m, icList=iclist, periodic=False, dense=True,
                weighted=True)  #, weighted=True)

coords=DC(d.x_ref.flatten(), d.masses, internal=True, atoms=d.atoms, \
        ic=d.ic, L=None, Li=None,u=d.get_U())#, biArgs={'iclambda' :0.0001})
coords.write_jmol('dol')  #delocalizing out loud

coords.s[:] = 2.000
coords.s2x()
X1 = coords.x
print coords.getS(X1)
print X1

#SPARSE
d = Delocalizer(m, icList=iclist, periodic=False, dense=False,
                weighted=False)  #, weighted=True)

coords=DC(d.x_ref.flatten(), d.masses, internal=True, atoms=d.atoms, \
        ic=d.ic, L=None, Li=None,u=d.get_U(), biArgs={'iclambda':0.000001})
coords.write_jmol('dol2')  #delocalizing out loud
Exemple #5
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                unit=1.0,
                atoms=d.atoms,
                ic=d.ic,
                u=d.u,
                cell=cell)

coords_s1.write_jmol('s1.jmol')

#subsystem2 Surface
subsystem2 = system[2:]
d = Delocalizer(subsystem2)
cell = subsystem1.get_cell()  #*[1.0,1.0,1.0]

coords_s2 = DC(d.x_ref.flatten(),
               d.masses,
               unit=1.0,
               atoms=d.atoms,
               ic=d.ic,
               u=d.u)
#atoms=d.atoms,ic=d.ic,u=d.u,cell=cell)

coords_s2.write_jmol('s2.jmol')

#put together

coords = Set_of_CDCs([coords_s1, coords_s2])
print coords.masses
print len(coords.masses)
print coords.x0.reshape(-1, 3)

s = coords.getS(coords.x0)
print s
Exemple #6
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from ase.all import *
from winak.globaloptimization.delocalizer import *
from winak.curvilinear.Coordinates import DelocalizedCoordinates as DC

m = read('../testsystems/clethen.xyz')
e = Delocalizer(m)
d = []

n = 17

e.constrainStretches()

coords=DC(e.x_ref.flatten(), e.masses, internal=True, atoms=e.atoms, \
             ic=e.ic, L=None, Li=None,u=e.get_U())

coords.write_jmol('cdol')  #constrained delocalizing out loud
"""
The next loop prints the C-C distance after displacing along a delocalized internal.
It varies by about 10%.
"""

tmp = read('../testsystems/clethen.xyz')
for i in coords.get_vectors():
    tmp.set_positions(e.x_ref + i)
    #view(m)
    print np.linalg.norm(tmp[1].get('position') - tmp[0].get('position'))
Exemple #7
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dyn.run(0.001)

print 'Cartesian optimization finished...'

#TEST ICLIST
iclist = [1, 1, 2, 1, 1, 3, 1, 1, 4, 1, 2, 5, 1, 2, 6, 2, 1, 5, 2, 
          2, 2, 4, 1, 2, 3, 4, 1, 2, 5, 6, 2, 2, 2, 3, 1, 2, 1,
          6, 2, 3, 3, 1, 2, 5, 3, 3, 1, 2, 6, 3, 4, 1, 2, 6, 3,
          4, 1, 2, 5, 4, 2, 3, 4, 1, 4, 6, 1, 5, 2, 0]

#DENSE
d=Delocalizer(m, icList=iclist, periodic=False, dense=True, weighted=True)#, weighted=True)

coords=DC(d.x_ref.flatten(), d.masses, internal=True, atoms=d.atoms, \
        ic=d.ic, L=None, Li=None,u=d.get_U(), #)#, biArgs={'iclambda' :0.0001})
        biArgs={'RIIS': True, 'maxiter': 900, 'eps': 1e-6, 'maxEps':1e-7,
            # 'iclambda' : 1e-6, 
            'RIIS_dim': 4, 'RIIS_maxLength':6, 'maxStep':0.5,})
coords.write_jmol('dol') #delocalizing out loud

print 'constructed DI coordinates'

# view(m)

    

mlist = [m.copy()]

for ss in np.linspace(0,100,10):
    #transform from DCs to CC displacements
    coords.s[:] = 0.0