예제 #1
0
파일: graph.py 프로젝트: cdknorow/MD
def connected_angles(VW,Z,L,connections, N_nodes, vertex_points=1, cut = 5):
    Cube = [[[] for j in range(N_nodes[0])] for l in range(len(connections))]
    for k,i in enumerate(connections):
        for j in i:
            #find the two connections
            #we need to  + Adivide by the number of sites to get the right
            #major particle index
            A=j[0]
            B=j[1]+N_nodes[0]
            Cube[k][A].append(B)
    counter = np.zeros((len(Cube),4))
    for k in range(len(Cube)):
        count_face = 0
        count_all = 0
        count_face_less = 0
        count_all_less = 0
        for i in range(len(Cube[k])):
            for j in points.unique(Cube[k][i]):
                if Cube[k][i].count(j)>=cut:
                    count_all += 1
                    if angle.face_check(VW,Z,k,i,j,1,1,L):
                        count_face += 1
                else:
                    count_all_less += 1
                    if angle.face_check(VW,Z,k,i,j,1,1,L):
                        count_face_less += 1
        counter[k] = [count_face,count_all,count_face_less,count_all_less]
    print 'finished counting'

    return counter
예제 #2
0
파일: graph.py 프로젝트: cdknorow/MD
def sides_faces_mod(VW,Z,L,connections, N_nodes, vertex_points=1, cut = 5):
    A_points = vertex_points[0]*N_nodes[0]
    Cube = [[[] for j in range(sum(N_nodes))] for l in range(len(connections))]
    for k,i in enumerate(connections):
        for j in i:
            #find the two connections
            #we need to  + Adivide by the number of sites to get the right
            #major particle index
            A=j[0]
            B=j[1]+N_nodes[0]
            #This provides the position of sides which are connected
            Cube[k][A].append(B)
            #add the connections to a list
    counter = np.zeros((len(Cube),3))
    for k in range(len(Cube)):
        count_face = 0
        count_all = 0
        for j in range(len(Cube[k])):
            if len(Cube[k][j]) in cut:
                for N in points.unique(Cube[k][j]):
                    count_all += 1
                    a = angle.face_check(VW,Z,k,j,N,L)
                    if a+b==2:
                        count_face += 1
        if count_all == 0:
            counter[k] = [ 0,0,0]
        else:
            counter[k] = [count_face,count_all,count_face/float(count_all)]
    print 'finished counting'

    return counter
예제 #3
0
def nearpart_remove():
    #print out directory
    fid = open('dna_2nuc.xyz','r')
    N_atoms = fid.readline()
    fid.readline()
    M = fid.readlines()
    V = []
    count = 0
    NP_center = []
    #NP_center = index of center of particle
    #V = numpy array of all particle positions
    #index = "name of particle at each index'
    index = []
    for line in M:
        index.append(line.split()[0])
        V.append([float(line.split()[1]),float(line.split()[2]),float(line.split()[3])])
        if line.split()[0] == 'V' or line.split()[0] == 'W':
            NP_center.append(count)
        count += 1
    fid.close()
    V = np.array(V)
    Lx = 220
    Ly = 110
    Lz = 110
    L = np.array([Lx, Ly, Lz])
    print L
    #the center of the partilcl
    too_close = []
    print NP_center
    C = NP_center[0]
    NP_size = NP_center[1] - NP_center[0]
    for i in NP_center:
        print i/NP_size
        for j in NP_center:
            if i != j:
                if points.dist(V[i],V[j],L)[0]<12:
                    too_close.append([min(i,j),max(i,j)])
    too_close = points.unique(too_close)
    remove = []
    for i in too_close:
        remove.append(i[0])

    #remove the NP which are too_close!
    #to do and write the new dna.xyz file
    print 'writing dna.xyz'
    out = open('dna_close_remove.xyz','w')
    out.write(('%i\n\n')%(V.shape[0]))
    count = 0
    for i in range(V.shape[0]):
        if i in remove:
            i+=1
        if count>=V.shape[0]-1:
            print 'breaking'
            break
        for j in range(NP_size):
            count = i * NP_size + j
            out.write(('%s %.2f %.2f %.2f\n')%(index[count],V[count][0],V[count][1],V[count][2]))
예제 #4
0
파일: percolate.py 프로젝트: cdknorow/MD
def search(connected,A,B):
    add=False
    for i in range(len(connected)):
        #is it in there already
        if connected[i].count(A)==1:
            if connected[i].count(B)==0:
                connected[i].append(B)
        if connected[i].count(B)==1:
            if connected[i].count(A)==0:
                connected[i].append(A)
    #look through connectd if there is an intersection, take the union and
    #delete what was there
    for i in range(len(connected)):
        for j in range(len(connected)):
            if intersection(connected[i],connected[j])!=[]:
                connected[i]=union(connected[i],connected[j])
                connected[j]=connected[i]
    #Removed any doubles
    connected=unique(connected)
    return connected
예제 #5
0
def find_defects_mod(CV,CW,VW,V,W,L,n_finish=1,n_start=0,delta=20,filters=0.2):
    from MD.analysis.nearest_neighbor import ws_neighbors_point
    from MD.analysis.nearest_neighbor import close_neighbors_point
    #######
    debug = False
    x = np.arange(n_start,n_finish,delta)
    lattice = []
    for i in range(CV.shape[0]):
        lattice.append(int(points.dist(CV[0],CV[i],L)[0]))
    for i in range(CW.shape[0]):
        lattice.append(int(points.dist(CV[0],CW[i],L)[0]))
    points.unique(lattice)
    lattice.sort()
    print lattice
    rmin = lattice[1] / 2.0
    rmax = lattice[2] / 2.0 +1
    #for interstitial
    s = min(W.shape[1],V.shape[1])
    #for vacancy
    #s = max(W.shape[1],V.shape[1])
    DW = np.zeros((len(x),CW.shape[0]))
    DV = np.zeros((len(x),CV.shape[0]))
    vac_count = np.zeros((len(x),1))
    int_count = np.zeros((len(x),1))
    fid = open('defects.txt','w')
    master = [[],[]]
    particle_frame = []
    for index,k in enumerate(x):
        print 'frame',k
        # Identify the points on the bcc Lattice which belong to A and B type
        #lets look at one point first
        # Assign each point to its place on the lattice
        #find the closest point   
        #####################
        N = []
        N_V = []
        N_W = []
        Vn = []
        Wn = []
        for i in V[k]:
            if abs(i[0]) < L[0]:
                Vn.append(i)
        for i in W[k]:
            if abs(i[0]) < L[0]:
                Wn.append(i)
        print 'Wn',len(Wn)
        print 'Vn',len(Vn)
        particle_frame.append(len(Wn)+len(Vn))
        Wn = np.array(Wn)
        Vn = np.array(Vn)

        for i in range(CV.shape[0]):
            N =  ws_neighbors_point(Vn,CV[i],L,i,rmin=rmin,rmax=rmax)[0]
            N_V.extend(N)
            num = len(N)
            if num == 0:
                N2 = ws_neighbors_point(Wn,CV[i],L,i,rmin=rmin,rmax=rmax)[0]
                N_W.extend(N2)
                num = -len(N2)
            DV[index][i] = num
        ###########################
        for i in range(CW.shape[0]):
            N =  ws_neighbors_point(Wn,CW[i],L,i+W.shape[1],rmin=rmin,rmax=rmax)[0]
            N_W.extend(N)
            num = len(N)
            if num == 0:
                N2 = ws_neighbors_point(Vn,CW[i],L,i+V.shape[1],rmin=rmin,rmax=rmax)[0]
                N_V.extend(N2)
                num = -len(N2)
            DW[index][i] = num
        #find the atoms that haven't been placed on the lattice yet
        IV = points.difference(range(Vn.shape[0]),N_V)
        IW = points.difference(range(Wn.shape[0]),N_W)
        ##
        if debug:
            print 'atoms not added listed after first sorting'
            print IV, IW
            print DW[index]
            print DV[index]
        for i in IV:
            #find closest lattice point
            nw, dw = close_neighbors_point(CW,Vn[i],L)
            nv, dv = close_neighbors_point(CV,Vn[i],L)
            if dw <= dv:
                #check to see if there is already an atom at that point
                if DW[index][nw] == 1 or DW[index][nw] == -1:
                    if DV[index][nv] == 0:
                        DV[index][nv] = 1
                        N_V.extend([i])
                    else:
                        DW[index][nw] = -2
                        N_V.extend([i])
                if DW[index][nw] == 0:
                        DW[index][nw] = -1
                        N_V.extend([i])
                #check to see if there is already an atom at that point
            else:
                if DV[index][nv] == 1 or DV[index][nv] == -1:
                    #if there isn't one at the other point add it
                    if DW[index][nw] == 0:
                        DW[index][nw] = -1
                        N_V.extend([i])
                    else:
                        if DV[index][nv] == 1:
                            DV[index][nv] = 2
                        if DV[index][nv] == -1:
                            DV[index][nv] = -2
                        N_V.extend([i])
                if DV[index][nv] == 0:
                    DV[index][nv] = 1
                    N_V.extend([i])
        for i in IW:
            nw, dw = close_neighbors_point(CW,Wn[i],L)
            nv, dv = close_neighbors_point(CV,Wn[i],L)
            if dv <= dw:
                if DV[index][nv] == 1 or DV[index][nv] == -1:
                    if DW[index][nw] == 0:
                        DW[index][nw] = 1
                        N_W.extend([i])
                    else:
                        DV[index][nv] = -2
                        N_W.extend([i])
                if DV[index][nv] == 0:
                    DV[index][nv] = -1
                    N_W.extend([i])
            else:
                if DW[index][nw] == 1 or DW[index][nw] == -1:
                    if DV[index][nv] == 0:
                        DV[index][nv] = -1
                        N_W.extend([i])
                    else:
                        DW[index][nw] = 2
                        N_W.extend([i])
                if DW[index][nw] == 0:
                    DW[index][nw] = 1
                    N_W.extend([i])
        #find the atoms that haven't been placed on the lattice yet
        IV = points.difference(range(Vn.shape[0]),N_V)
        IW = points.difference(range(Wn.shape[0]),N_W)
        ##
        if debug:
            print 'atoms not added list for debugging'
            print IV, IW
            print DW[index]
            print DV[index]
            print 'Defect list for lattice'
        #print out the vacency, substitutions
        def out_defect(A, index, fid, def_list, C=0):
            for i in range(A.shape[1]):
                if A[index][i] == 0:
                    pr =  'vacecy at '+ str(i+C)+ '\n'
                    try:
                        def_list[0].extend(i+C)
                    except:
                        def_list[0].append(i+C)
                    if debug:
                        print pr
                    fid.write(pr)
                if A[index][i] == -1:
                    pr = 'substitution ' + str(i+C)+ '\n'
                    if debug:
                        print pr
                    fid.write(pr)
                if A[index][i] == -2:
                    pr = 'interstitial ' + str(i + C)+ '\n'
                    try:
                        def_list[1].extend(i+C)
                    except:
                        def_list[1].append(i+C)
                    if debug:
                        print pr
                    fid.write(pr)
                if A[index][i] == 2:
                    pr = 'interstitial ' + str(i + C)+ '\n'
                    try:
                        def_list[1].extend(i+C)
                    except:
                        def_list[1].append(i+C)
                    if debug:
                        print pr
                    fid.write(pr)

        frame = 'Frame ' + str(k) + '\n'
        fid.write(frame)
        def_list = [[],[]]
        out_defect(DV, index, fid, def_list)
        out_defect(DW, index, fid, def_list, C = DV.shape[1])
        if len(points.difference(def_list[0], master[0])) != 0:
            vac_count[index] += len(points.difference(def_list[1],master[1]))
            master[0] = def_list[0]
        if len(points.difference(def_list[1],master[1])) != 0:
            int_count[index] += len(points.difference(def_list[1],master[1]))
            master[1] = def_list[1]

        #find the atoms that haven't been placed on the lattice yet
        IV = points.difference(range(V.shape[1]),N_V)
        IW = points.difference(range(W.shape[1]),N_W)

    # Identify the  defects surrounding each point
    #The total number of frames we are going to look at
    # Find the number of defects in each frame
    count = 0
    substitutions = []
    vacancies = []
    intersticial = []
    def count_def(A,check):
        count = 0
        for i in A:
            if i == check:
                count +=1
        return count
    def count_ldef(A,check):
        count = 0
        for i in A:
            if i < check:
                count +=1
        return count
    def count_adef(A,check):
        count = 0
        for i in A:
            if abs(i) == check:
                count +=1
        return count
    for k in range(DW.shape[0]):
        #find the points that are nearest neighbor that are different
        substitutions.append(count_ldef(DW[k],0)+count_ldef(DV[k],0))
        vacancies.append(count_def(DW[k],0)+count_def(DV[k],0))
        intersticial.append(count_adef(DW[k],2.0)+count_adef(DV[k],2.0))
    print 'substitions'
    print substitutions
    print 'vacancies'
    print vacancies
    print 'interstitials'
    print intersticial
    util.pickle_dump(DV,'DV_s.pkl')
    util.pickle_dump(DW,'DW_s.pkl')

    util.pickle_dump([substitutions, vacancies, intersticial, x],'plot_def_s.pkl')
    pyplot.plot3(x, substitutions, x, particle_frame, x, intersticial,
            label1='substitutions',label2='number of particles',label3='intersticial',
            save='defects_per_frame_surface',showleg=True)
    #pyplot.plot(x, vac_count, save='defect_vac_diffusion_count')
    #pyplot.plot(x, int_count, save='defect_int_diffusion_count')
    return DV, DW, [substitutions, vacancies, intersticial, x]