Пример #1
0
def get_data_TimeConv(time):

  global folder
   
  ls = os.listdir(folder)
  condition_folder= lambda name: "l1x1" in name and gridsize in name
  ls_selected=list(np.extract(map(condition_folder,ls),ls))
  subfolders=sorted(ls_selected)
  #print "subfolders:", subfolders
  num_runs=len(subfolders)
  print "No. of runs: ", num_runs
  
  #get the spatial coordinates
  x=exnode_reader.parse_file(folder+subfolders[0]+"/"+"Time_2_0.part0.exnode",[["Coordinate",1]]) #field_name and component_no
  #print "x: ",x

  Vm=[0.0 for i in range(num_runs)]
  timesteps=[0.0 for i in range(num_runs)]

  for i in range(num_runs):
    #print "i: ",i
    #print"subfolders: ", subfolders[i]
    timesteps[i]=get_timestep(subfolders[i])
    Indx=int(time/timesteps[i])
    #print Indx
    fileToread = folder+subfolders[i]+"/"+"Time_2_"+str(Indx)+".part0.exnode" #serial version
    #print 'file',fileToread

    Vm[i]=exnode_reader.parse_file(fileToread,[["Vm",1]])
    #print Vm[i]
  print "timesteps: ", timesteps
  return x,Vm,timesteps
Пример #2
0
def animate(t, create_image=False):
    global foldername, image_name
    ax1.clear()

    # get all exnode files sorted in that directory
    files = exnode_reader.get_exnode_files(foldername)

    if t >= len(files):
        return
    iron_filename = files[t]

    iron_data = exnode_reader.parse_file(
        foldername + iron_filename,
        [["Vm", 1]])  # extract field Vm, component 1

    n = len(iron_data)
    nx = int(np.sqrt(n)) - 1
    ny = int(np.sqrt(n)) - 1
    print "t=", t, "/", len(files), ", n=", n, ", nx=", nx, ", ny=", ny

    X = range(nx + 1)
    Y = range(ny + 1)
    X, Y = np.meshgrid(X, Y)
    Z_iron = X.copy()
    for x in range(nx + 1):
        for y in range(ny + 1):
            try:
                Z_iron[x, y] = iron_data[x * (ny + 1) + y]
            except:  # fails for nans
                Z_iron[x, y] = 0.0

    ax1.plot_surface(X,
                     Y,
                     Z_iron,
                     cmap=cm.coolwarm,
                     linewidth=1,
                     antialiased=False,
                     rstride=1,
                     cstride=1)
    ax1.set_zlim(-80, 30)
    plt.title("t = " + str(t * 0.005))

    if t % 100 == 0 or create_image:
        filenamepng = image_name + "_t" + str(t) + ".png"
        filenameeps = image_name + "_t" + str(t) + ".eps"
        plt.savefig(filenamepng)
        print "Image saved to {}".format(filenamepng)
        os.system("convert " + filenamepng + " " + filenameeps)
Пример #3
0
    input_filename_exelem += ".exelem"

    if len(sys.argv) >= 3:
        input_filename_exelem = sys.argv[2]
else:
    print("usage: ./exfile_to_vtk.py <filename.exnode> [<filename.exelem>]")
    sys.exit(0)

output_filename, _ = os.path.splitext(input_filename_exnode)

print("filename exnode: \"{}\"".format(input_filename_exnode))
print("filename exelem: \"{}\"".format(input_filename_exelem))
print("output filename: \"{}.vtu\"".format(output_filename))

nodal_values = exnode_reader.parse_file(
    input_filename_exnode,
    [["coordinates", 1], ["coordinates", 2], ["coordinates", 3]])

element_nodes = exnode_reader.parse_exelem_file(input_filename_exelem)

if True:
    print("element_nodes:")
    print(element_nodes)

    print("result:")
    print(nodal_values)

# create geometry for vtk unstructured grid

n_points = np.size(nodal_values, 0)
n_elements = len(list(element_nodes))
Пример #4
0
print "foldername: ", foldername

# creat image  name
imagenamepng = "{}".format(foldername) + "image.png"
imagenameeps = "{}".format(foldername) + "image.eps"

# get all exnode files (sorted) from the folder
files = exnode_reader.get_exnode_files(foldername)
#print 'exnode files',files

n_timestep = len(files) - 1
#print "No. of time steps: ", n_timestep

#get the number of data in each file
x = exnode_reader.parse_file(foldername + files[0],
                             [["Coordinate", 1]])  #field_name and component_no
n_data = len(x)
#print "No. of data point: ",n_data
#print x

# get the data
Vm = [0.0 for i in range(n_timestep)]
for i_time in range(n_timestep):
    Vm[i_time] = exnode_reader.parse_file(foldername + files[i_time + 1],
                                          [["Vm", 1]])
    #print "time step: ", i_time
    #print Vm[i_time]
#print "Vm: ",Vm


def makeplot(x, y, z):
Пример #5
0
 status = "   matlab file: {}\n".format(foldername+matlab_filename)
 
 matlab_data = None
 if os.path.exists(foldername):
   matlab_data = np.loadtxt(foldername+matlab_filename)
 
 # read iron reference data
 foldername  = "reference/iron/l1x1_n"+str(nx)+"x"+str(ny)+"_i"+str(i)+"_s"+str(s)+"/"
 pde_time_step = 0.005
 filenumber = int(t / pde_time_step)
 
 iron_reference_filename = "Time_2_"+str(filenumber)+".part0.exnode"
 
 
 status += "   iron reference file: {}\n".format(foldername+iron_reference_filename)
 iron_reference_data = exnode_reader.parse_file(foldername+iron_reference_filename, [["Vm", 1]])   # extract field Vm, component 1
 
 # read iron data of current run
 foldername  = "current_run/l1x1_n"+str(nx)+"x"+str(ny)+"_i"+str(i)+"_s"+str(s)+"_p"+str(p)+"/"            
 pde_time_step = 0.005
 filenumber = int(t / pde_time_step)
 
 iron_filename = "Time_2_"+str(filenumber)+".part0.exnode"
 status += "   iron file: {}\n".format(foldername+iron_filename)
 iron_data = exnode_reader.parse_file(foldername+iron_filename, [["Vm", 1]])   # extract field Vm, component 1
 
 if iron_data is None:
   print "Warning! no data available for:\n"+status
   continue
 
 # determine which iron file would produce the least l2 error to the current matlab file