Пример #1
0
def process(fname):
    """Process verif output file.

    fname: name of file

    return: tuple of (exp_name, solver, dx, dt, dome_e, max_e, min_e, mean_e, sd_e)"""

    # extract errors
    ncf = Scientific.IO.NetCDF.NetCDFFile(fname)
    diff = ncf.variables['thke'][-1, :, :] - ncf.variables['thk'][-1, :, :]
    centre = (numpy.shape(diff)[0] - 1) / 2
    dome_e = diff[centre, centre]
    diff = numpy.ravel(diff)
    max_e = max(diff)
    min_e = min(diff)
    if (abs(max_e - min_e) < 1e-10):
        max_e = max_e + 5e-10
        min_e = min_e - 5e-10
    hist = histogram.histogram(100)
    hist.set_ranges_uniform(math.floor(min_e), math.ceil(max_e))
    for e in diff.tolist():
        hist.increment(e)
    mean_e = hist.mean()
    sd_e = hist.sigma()

    config = ncf.title.split(',')
    exp_name = config[0][-1]
    solver = config[1].strip()
    dx = float(config[2].strip()[:-2])
    dt = float(config[3].strip()[:-1])

    ncf.close()

    return (exp_name, solver, dx, dt, dome_e, max_e, min_e, mean_e, sd_e)
def process(fname):
    """Process verif output file.

    fname: name of file

    return: tuple of (exp_name, solver, dx, dt, dome_e, max_e, min_e, mean_e, sd_e)"""

    # extract errors
    ncf = Scientific.IO.NetCDF.NetCDFFile(fname)
    diff = ncf.variables["thke"][-1, :, :] - ncf.variables["thk"][-1, :, :]
    centre = (Numeric.shape(diff)[0] - 1) / 2
    dome_e = diff[centre, centre]
    diff = Numeric.ravel(diff)
    max_e = max(diff)
    min_e = min(diff)
    hist = histogram.histogram(100)
    hist.set_ranges_uniform(round_down(min_e), round_up(max_e))
    for e in diff.tolist():
        hist.increment(e)
    mean_e = hist.mean()
    sd_e = hist.sigma()

    config = ncf.title.split(",")
    exp_name = config[0][-1]
    solver = config[1].strip()
    dx = float(config[2].strip()[:-2])
    dt = float(config[3].strip()[:-1])

    ncf.close()

    return (exp_name, solver, dx, dt, dome_e, max_e, min_e, mean_e, sd_e)
Пример #3
0
def process(fname):
    """Process verif output file.

    fname: name of file

    return: tuple of (exp_name, solver, dx, dt, dome_e, max_e, min_e, mean_e, sd_e)"""

    # extract errors
    ncf = Scientific.IO.NetCDF.NetCDFFile(fname)
    diff = ncf.variables['thke'][-1,:,:] - ncf.variables['thk'][-1,:,:]
    centre = (Numeric.shape(diff)[0]-1)/2
    dome_e = diff[centre,centre]
    diff = Numeric.ravel(diff)
    max_e = max(abs(diff))
    min_e = min(abs(diff))
    hist = histogram.histogram(100)
    hist.set_ranges_uniform(PyGMT.round_down(min_e),PyGMT.round_up(max_e))
    for e in diff.tolist():
        hist.increment(e)
    mean_e = hist.mean()
    sd_e = hist.sigma()

    (exp_name,solver,dx,dt) = parse_title(ncf.title)
    
    ncf.close()

    return (exp_name, solver, dx, dt, dome_e, max_e, min_e, mean_e, sd_e)
Пример #4
0
def process(fname):
    """Process verif output file.

    fname: name of file

    return: tuple of (exp_name, solver, dx, dt, dome_e, max_e, min_e, mean_e, sd_e)"""

    # extract errors
    ncf = Scientific.IO.NetCDF.NetCDFFile(fname)
    diff = ncf.variables['thke'][-1,:,:] - ncf.variables['thk'][-1,:,:]
    centre = (Numeric.shape(diff)[0]-1)/2
    dome_e = diff[centre,centre]
    diff = Numeric.ravel(diff)
    max_e = max(abs(diff))
    min_e = min(abs(diff))
    hist = histogram.histogram(100)
    hist.set_ranges_uniform(PyGMT.round_down(min_e),PyGMT.round_up(max_e))
    for e in diff.tolist():
        hist.increment(e)
    mean_e = hist.mean()
    sd_e = hist.sigma()

    (exp_name,solver,dx,dt) = parse_title(ncf.title)
    
    ncf.close()

    return (exp_name, solver, dx, dt, dome_e, max_e, min_e, mean_e, sd_e)
Пример #5
0
def process(fname):
    """Process verif output file.

    fname: name of file

    return: tuple of (exp_name, solver, dx, dt, dome_e, max_e, min_e, mean_e, sd_e)"""

    # extract errors
    ncf = Scientific.IO.NetCDF.NetCDFFile(fname)
    diff = ncf.variables['thke'][-1,:,:] - ncf.variables['thk'][-1,:,:]
    centre = (numpy.shape(diff)[0]-1)/2
    dome_e = diff[centre,centre]
    diff = numpy.ravel(diff)
    max_e = max(diff)
    min_e = min(diff)
    if (abs(max_e-min_e) < 1e-10):
        max_e=max_e+5e-10
        min_e=min_e-5e-10
    hist = histogram.histogram(100)
    hist.set_ranges_uniform(math.floor(min_e),math.ceil(max_e))
    for e in diff.tolist():
        hist.increment(e)
    mean_e = hist.mean()
    sd_e = hist.sigma()

    config = ncf.title.split(',')
    exp_name = config[0][-1]
    solver = config[1].strip()
    dx = float(config[2].strip()[:-2])
    dt = float(config[3].strip()[:-1])
    
    ncf.close()

    return (exp_name, solver, dx, dt, dome_e, max_e, min_e, mean_e, sd_e)
Пример #6
0
from pygsl import histogram, rng
import pygsl
import sys
from time import clock
from matplotlib import pylab

pygsl.set_debug_level(0)
n = 2000
m = 5000
h =histogram.histogram(n)
h.set_ranges_uniform(-8,8.)
r = rng.rng()

t0 = clock()
h.increment(r.gaussian(1,n*m))
t1 = clock()
print "Needed %d seconds" % (t1 - t0)
x, d = h.plot_data()
x = (x[:,0]+x[:,1])/2
pylab.plot(x,d)
pylab.show()
Пример #7
0
from pygsl import histogram, rng
import pygsl
import sys
from time import clock
from matplotlib import pylab

pygsl.set_debug_level(0)
n = 2000
m = 5000
h = histogram.histogram(n)
h.set_ranges_uniform(-8, 8.)
r = rng.rng()

t0 = clock()
h.increment(r.gaussian(1, n * m))
t1 = clock()
print "Needed %d seconds" % (t1 - t0)
x, d = h.plot_data()
x = (x[:, 0] + x[:, 1]) / 2
pylab.plot(x, d)
pylab.show()