Example #1
0
                df1 = df_1.loc[i1]
                if switch == 0:
                    phi0 = df0.azim.unique()
                    phi1 = df1.azim.unique()
                    r0 = df0.range_gate.iloc[0].values
                    r1 = df1.range_gate.iloc[0].values
                    r_0, phi_0 = np.meshgrid(r0, np.pi -
                                             np.radians(phi0))  # meshgrid
                    r_1, phi_1 = np.meshgrid(r0, np.pi -
                                             np.radians(phi1))  # meshgrid
                    tree, tri, w0, neigh0, index0, w1, neigh1, index1 = wr.grid_over2(
                        (r_0, phi_0), (r_1, phi_1), -d)
                    switch = 1
                u, v, grd, s = wr.direct_wf_rec(df0.astype(np.float32),
                                                df1.astype(np.float32),
                                                tri,
                                                d,
                                                N_grid=512)
                U_out.append(u), V_out.append(v), su.append(s)

U_out = [item for sublist in U_out for item in sublist]
V_out = [item for sublist in V_out for item in sublist]
su = [item for sublist in su for item in sublist]

#filename = file_out_path_u_field+'/U_rec_'+dy+'.pkl'
#joblib.dump((U_out, V_out, grd, su), filename)
#
#with open(file_out_path_u_field+'/U_rec_'+dy+'.pkl', 'wb') as field:
#      pickle.dump((U_out, V_out, grd, su),field)

#### Vorticity
Example #2
0
    indt0 = [x for x in indt0 if np.sum(x) > 0]
    indt1 = [x for x in indt1 if np.sum(x) > 0] 
    if (len(indt0)>0)&(len(indt1)>0):
        for i0,i1 in zip(indt0,indt1):
            df0 = df_0.loc[i0]
            df1 = df_1.loc[i1]
            if switch == 0:
                phi0 = df0.azim.unique()
                phi1 = df1.azim.unique()               
                r0 = df0.range_gate.iloc[0].values
                r1 = df1.range_gate.iloc[0].values                
                r_0, phi_0 = np.meshgrid(r0, np.pi/2-np.radians(phi0)) # meshgrid
                r_1, phi_1 = np.meshgrid(r0, np.pi/2-np.radians(phi1)) # meshgrid                
                tree,tri, w0, neigh0, index0, w1, neigh1, index1 =  wr.grid_over2((r_0, phi_0),(r_1,phi_1), -d)
                switch = 1 
            uo, vo, grdu, so = wr.direct_wf_rec(df0.astype(np.float32), df1.astype(np.float32), tri, d, N_grid = chunk) 
            ulist.append(uo)
            vlist.append(vo)
ulist = [item for sublist in ulist for item in sublist]
vlist = [item for sublist in vlist for item in sublist]            


dr0 = np.array(np.r_[-d/2,np.ones(1)]).T 
dr1 = np.array(np.r_[d/2,np.ones(1)]).T

fig0, ax0 = plt.subplots(figsize=(8, 8))
ax0.set_aspect('equal')
ax0.use_sticky_edges = False
ax0.margins(0.07)

for j in range(len(ulist)):
Example #3
0
    areatriangles(tri_t1)) + 2 * np.std(areatriangles(tri_t1))
mask1 = maskt | maska
tri_t1.set_mask(mask1)

pts_in_1 = tri_t1.get_trifinder()(x_i, y_i) != -1

tri_t1.set_mask(None)
##################
start = 8500
end = 8750
ind0 = (df_0.scan >= start) & (df_0.scan <= end)
ind1 = (df_1.scan >= start) & (df_1.scan <= end)

U_out, V_out, grd, _ = wf.direct_wf_rec(df_0.loc[ind0],
                                        df_1.loc[ind1],
                                        tri,
                                        d,
                                        N_grid=512)

x = grd[0][0, :]
y = grd[1][:, 0]

k_1_r = []
k_2_r = []
Su_u_r = []
Sv_v_r = []
Su_v_r = []

for scan_i in range(len(U_out)):
    print(scan_i)
    ku, kv, Su, Sv, Suv = sc.spatial_spec_sq(x,
 times_scan0 = scan_init_0 + times0
 times_scan1 = scan_init_1 + times1
 if len(times0) <= len(times0):
     times = times0
 else:
     times = times1
 UV = pd.DataFrame()
 for i in range(len(times) - 1):
     print(times[i], times[i + 1])
     loc0 = (chunk0.scan >= times[i]) & (chunk0.scan <
                                         times[i + 1])
     loc1 = (chunk1.scan >= times[i]) & (chunk1.scan <
                                         times[i + 1])
     U_out, V_out, grd, _ = wr.direct_wf_rec(
         chunk0.loc[loc0].astype(np.float32),
         chunk1.loc[loc1].astype(np.float32),
         tri,
         d,
         N_grid=512)
     init = scan_init_0 + times[i]
     end = scan_init_0 + times[i + 1]
     scan = np.arange(init, end)
     time = np.array([
         str(date + timedelta(seconds=chunk0.loc[loc0].loc[
             chunk0.loc[loc0].scan == s].stop_time.min()))[:-7]
         for s in chunk0.loc[loc0].scan.unique()
     ])
     vel = np.vstack([
         np.c_[grd[0][~np.isnan(u)], grd[1][~np.isnan(u)],
               u[~np.isnan(u)], v[~np.isnan(u)],
               np.asarray(~np.isnan(u)).nonzero()[0],
               np.asarray(~np.isnan(u)).nonzero()[1],
Example #5
0
 rel = np.c_[s_syn[:,0],t0,rel0,s_syn[:,1],t1,rel1,rel]
 
 ###############################################################################
 loc0 = np.array([0,6322832.3])
 loc1 = np.array([0,6327082.4])
 d = loc1-loc0  
 phi0 = df0.azim.unique()
 phi1 = df1.azim.unique()               
 r0 = df0.range_gate.iloc[0].values
 r1 = df1.range_gate.iloc[0].values                
 r_0, phi_0 = np.meshgrid(r0, np.pi/2-np.radians(phi0)) # meshgrid
 r_1, phi_1 = np.meshgrid(r0, np.pi/2-np.radians(phi1)) # meshgrid                
 tree,tri, w0, neigh0, index0, w1, neigh1, index1 =  wr.grid_over2((r_0, phi_0),(r_1,phi_1), -d)
 chunk = 256
 _, _, grdu, so = wr.direct_wf_rec((df0.loc[df0.scan == s_syn[0,0]]).astype(np.float32),
                                   (df1.loc[df1.scan == s_syn[0,1]]).astype(np.float32),
                                   tri, d, N_grid = chunk)
 find = np.reshape(tri.get_trifinder()(grdu[0].flatten(), grdu[1].flatten()),grdu[0].shape)
 c = len(grdu[0].flatten())/np.sum(find!=-1)
 
 ################## 10min periods and averages #############################    
 for i in range(len(t_arrayhms)-1):
     hms1 = t_arrayhms[i]
     hms2 = t_arrayhms[i+1]
     L_scan = pd.read_hdf(file_name,where = 'name == name_id & hms >= hms1 & hms < hms2', key='L')        
     if L_scan.empty:
         print('empty df')
     else:
         ind_rel = np.isin(pd.to_datetime(rel[:,1]),L_scan.time.values)
         L_scan['relscan'] = rel[ind_rel,-1]
         L_scan['area_frac'] = L_scan['area_frac'].values*c 
            if switch == 0:
                phi0 = df0.azim.unique()
                phi1 = df1.azim.unique()
                r0 = df0.range_gate.iloc[0].values
                r1 = df1.range_gate.iloc[0].values
                r_0, phi_0 = np.meshgrid(r0, np.pi / 2 -
                                         np.radians(phi0))  # meshgrid
                r_1, phi_1 = np.meshgrid(r0, np.pi / 2 -
                                         np.radians(phi1))  # meshgrid
                tree, tri, w0, neigh0, index0, w1, neigh1, index1 = wr.grid_over2(
                    (r_0, phi_0), (r_1, phi_1), -d)
                switch = 1
            print(t_scan[0])
            uo, vo, grdu, so, r_i_0, phi_i_0, r_i_1, phi_i_1, mask = wr.direct_wf_rec(
                df0.astype(np.float32),
                df1.astype(np.float32),
                tri,
                d,
                N_grid=chunk)

r_i = np.sqrt(grdu[0]**2 + grdu[1]**2)
phi_i = np.arctan2(grdu[1], grdu[0])

ind = tri.get_trifinder()(grdu[0].flatten(), grdu[1].flatten()) != -1

r_i_0, phi_i_0 = wr.translationpolargrid((r_i, phi_i), -d / 2)
phi_i_0 = np.pi * 0.5 - phi_i_0
phi_i_0 = np.where(phi_i_0 < 0, 2 * np.pi + phi_i_0, phi_i_0)
r_i_1, phi_i_1 = wr.translationpolargrid((r_i, phi_i), d / 2)
phi_i_1 = np.pi * 0.5 - phi_i_1
phi_i_1 = np.where(phi_i_1 < 0, 2 * np.pi + phi_i_1, phi_i_1)
plt.figure()
Example #7
0
 df = None
 df_0.drop(columns = labels_CNR,inplace=True) 
 df_1.drop(columns = labels_CNR,inplace=True) 
 df_0.columns = labels_short
 df_1.columns = labels_short
 
 if switch == 0:
     phi0 = df_0.azim.unique()
     phi1 = df_1.azim.unique()               
     r0 = np.array(df_0.iloc[(df_0.azim==min(phi0)).nonzero()[0][0]].range_gate)
     r1 = np.array(df_1.iloc[(df_1.azim==min(phi0)).nonzero()[0][0]].range_gate)                
     r_0, phi_0 = np.meshgrid(r0, np.pi-np.radians(phi0)) # meshgrid
     r_1, phi_1 = np.meshgrid(r1, np.pi-np.radians(phi1)) # meshgrid                
     tree,tri, w0, neigh0, index0, w1, neigh1, index1 =  wr.grid_over2((r_0, phi_0),(r_1,phi_1),-d)
     switch = 1 
 U_out, V_out, grd, _ = wr.direct_wf_rec(df_0.astype(np.float32), df_1.astype(np.float32), tri, d,N_grid = 512)   
 U_mean = np.nanmean(np.array(U_out))
 V_mean = np.nanmean(np.array(V_out))
 gamma = np.arctan2(V_mean,U_mean)
 tau_out = []
 eta_out = []    
 r_u_out = []
 r_v_out = []
 r_uv_out = []  
 if len(U_out)>0:
     for U,V in zip(U_out, V_out):
         tau,eta,r_u,r_v,r_uv,_,_,_ = sc.spatial_autocorr_sq(grd,U,V,
                                        gamma=gamma, transform = False,
                                        transform_r = True,e_lim=.1,refine=32)
         tau_out.append(tau.astype(np.float32))
         eta_out.append(eta.astype(np.float32))