Пример #1
0
def line_fit(x,
             y,
             xlabel,
             ylabel,
             param_units,
             param_names=['m', 'q'],
             dy=None,
             dx=None,
             err_fit=None,
             title=''):
    p0 = [1., 1.]
    opt, pcov = curve_fit(functions.line, x, y, sigma=err_fit)
    param_errors = numpy.sqrt(numpy.diagonal(pcov)[0])
    res = y - functions.line(x, *opt)
    chi2 = (res**2) / (err_fit**2)
    chi2 = chi2.sum()
    ndof = len(x) - len(opt)

    plt.figure()
    plt.subplot(2, 1, 1)
    plt.errorbar(x, y, yerr=dy, xerr=dx, fmt='.')
    legend = fit_legend(opt, param_errors, param_names, param_units, chi2,
                        ndof)
    x_new = numpy.linspace(0., 300., 1000)
    plt.plot(x_new, functions.line(x_new, *opt), 'r', label=legend)
    set_plot(xlabel, ylabel, title=title)
    plt.subplot(2, 1, 2)
    plt.errorbar(x, res, yerr=err_fit, fmt='.')
    set_plot(xlabel, "residui", title='')
    return opt, pcov
Пример #2
0
 def eq_w_numerical(self,bkg0,bkg1,output_plot=True):
     '''Given the continuum level as a line between two points, computes the equivalent width by adding up the flux.'''
     m = (bkg1[1] - bkg0[1])/(bkg1[0] - bkg0[0])
     b = bkg0[1] - m * bkg0[0]
     ind = np.where((self.wls[0] > bkg0[0]) & (self.wls[0] < bkg1[0]))
     print("Wavelengths used", self.wls[0][ind])
     height =  0.5 * (bkg0[1] + bkg1[1])
     width = self.wls[0][ind][-1] - self.wls[0][ind][0]
     total_flux = np.trapz(self.fls[0][ind],self.wls[0][ind])
     continuum_flux = height * width
     print("Total Flux", total_flux)
     print("Continuum Flux", continuum_flux)
     print("Total - Continuum", total_flux - continuum_flux)
     line = lambda x: functions.line(x,[m,b])
     if output_plot:
         plt.plot(self.wls[0][ind],self.fls[0][ind])
         plt.plot(self.wls[0][ind],line(self.wls[0][ind]),ls="-")
         plt.show()
     return (total_flux - continuum_flux)/ height
import numpy as np
import matplotlib.pyplot as mpl
# import time as t

from functions import line, exact, sden_kink, var_phi

from const import *

mpl.close("all")

# We initialize the field (phi) with all values to zero
varf = np.zeros(n)

# Arrays with initial information about the simulation
f = line(xmax)
# Here we define the exact solution
fexact = exact(xmax)

# Discrete integral of the energy in all the system.
energy = 0.0
for i in range(n):
    energy = energy + sden_kink(i, f)

for loop in range(loops):

    # Calculation of variations
    for j in range(1, n - 1):
        varf[j] = var_phi(j, f)

    # Implementation of variations
Пример #4
0
    ax4.set_title("Power spectrum")
    ax4.set_yscale("log")
    ax4.set_xscale("log")

    fig4 = plt.figure(4, figsize=(10, 7))
    ax5 = fig4.add_subplot(2, 1, 1)
    ax6 = fig4.add_subplot(2, 1, 2)

    fig5 = plt.figure(5, figsize=(10, 7))
    ax7 = fig5.add_subplot(2, 1, 1)
    ax8 = fig5.add_subplot(2, 1, 2)
    ax7.set_title("volitility test")

    #plots
    ax.plot(t, y, color="r")
    ax.plot(t, f.line(np.array(t), *linepara))
    ax2.plot(t2, y2)
    values, bounds, patches = ax3.hist(brownianhist, 100)
    gausspara = f.fitgauss(f.bincenters(bounds), values)
    ax3.plot(f.bincenters(bounds), f.gauss(f.bincenters(bounds), *gausspara))
    ax4.plot(f1, s1, "o", markerfacecolor="None")
    ax4.plot(f1[:2000], f.logline(f1, *linepara2)[:2000])
    ax5.plot(t3, noise)
    ax6.plot(f3, s3, "o", markerfacecolor="None")
    ax6.set_yscale("log")
    ax6.set_xscale("log")
    ax7.plot(t2, y2, color="black")
    ax7.plot(t5, avg, color="blue")
    ax7.plot(t6, avg2, color="green")
    ax8.plot(t4, vol, color="red")
Пример #5
0
def sub(x, y):

    for i in range(0, 200, 20):

        if functions.line(i, 15, i + 10, 5, x, y) == 0:
            pygame.gfxdraw.pixel(gameDisplay, i, i + 10, alwan.black)
Пример #6
0
def drow_bord():
    black = (0, 0, 0)
    white = (255, 255, 255)
    red = (255, 0, 0)

    gameDisplay = pygame.display.set_mode((200, 155))
    gameDisplay.fill(white)
    b = 5
    a = 0
    while (a < 300):

        l = []
        m = []
        n = []
        p = []
        for i in range(0, 11):
            l.append([2 * 10 * i, 10 + a + b])
            m.append([2 * i * 10 + 10, 0 + a + b])
            pygame.draw.line(gameDisplay, red, tuple(l[i]), tuple(m[i]), 1)
            n.append([2 * 10 * i, 20 + a + b])
            p.append([2 * i * 10 + 10, 30 + a + b])
            pygame.draw.line(gameDisplay, red, tuple(n[i]), tuple(p[i]), 1)

        for i in range(0, len(m) - 1):
            pygame.draw.line(gameDisplay, red, tuple(m[i]), tuple(l[i + 1]), 1)
        for i in range(0, len(p) - 1):
            pygame.draw.line(gameDisplay, red, tuple(p[i]), tuple(n[i + 1]), 1)
        for i in range(0, 11):
            pygame.draw.line(gameDisplay, red, (i * 20, 10 + a + b),
                             (i * 20, 20 + a + b), 1)
        a = a + 40
    print(300 - a)
    for i in range(0, 11):
        pygame.draw.line(gameDisplay, red, (i * 20 + 10, 0), (i * 20 + 10, 5),
                         1)

    for i in range(0, 11):
        for j in range(0, 11):
            pygame.draw.line(gameDisplay, red, (i * 20 + 10, 35 + 40 * j),
                             (i * 20 + 10, 45 + 40 * j), 1)

    for i in range(200):
        for j in range(155):
            if functions.line(0, 15, 10, 5, i, j) == 0:
                pygame.gfxdraw.pixel(gameDisplay, i, j, black)

    for x in range(10, 200, 20):
        for i in range(200):
            for j in range(155):
                if functions.line(x, 5, x + 10, 15, i,
                                  j) == 0 and functions.line(
                                      x + 10, 15, x + 20, 5, i, j) == 0:
                    pygame.gfxdraw.pixel(gameDisplay, i, j, black)

    for i in range(200):
        for j in range(155):
            if functions.line(0, 145, 10, 155, i, j) == 1:
                pygame.gfxdraw.pixel(gameDisplay, i, j, black)

    for x in range(10, 200, 20):
        for i in range(200):
            for j in range(155):
                if functions.line(x, 155, x + 10, 145, i,
                                  j) == 1 and functions.line(
                                      x + 10, 145, x + 20, 155, i, j) == 1:
                    pygame.gfxdraw.pixel(gameDisplay, i, j, black)
    """

    for z in range(0, 50, 10):
        for i in range(200):
            for j in range(155):
                if functions.line(z, z + 25, z + 10, z + 35, i, j) == 1 and functions.vert(z+10 , i) == 1:
                    pygame.gfxdraw.pixel(gameDisplay, i, j, red)

        """
    for i in range(200):
        for j in range(155):
            if functions.line(0, 25, 10, 35, i, j) == 1 and functions.vert(
                    10, i) == 1:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(10, 45, 20, 55, i, j) == 1 and functions.vert(
                    20, i) == 1:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(20, 65, 30, 75, i, j) == 1 and functions.vert(
                    30, i) == 1:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(30, 85, 40, 95, i, j) == 1 and functions.vert(
                    40, i) == 1:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(40, 105, 50, 115, i, j) == 1 and functions.vert(
                    50, i) == 1:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(50, 125, 60, 135, i, j) == 1 and functions.vert(
                    60, i) == 1:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(200, 135, 190, 125, i,
                              j) == 0 and functions.vert(190, i) == 0:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(190, 115, 180, 105, i,
                              j) == 0 and functions.vert(180, i) == 0:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(180, 95, 170, 85, i, j) == 0 and functions.vert(
                    170, i) == 0:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(170, 75, 160, 65, i, j) == 0 and functions.vert(
                    160, i) == 0:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(160, 55, 150, 45, i, j) == 0 and functions.vert(
                    150, i) == 0:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
    for i in range(200):
        for j in range(155):
            if functions.line(150, 35, 140, 25, i, j) == 0 and functions.vert(
                    140, i) == 0:
                pygame.gfxdraw.pixel(gameDisplay, i, j, red)
Пример #7
0
        fit_function=functions.costant,
        p0=None,
        x_min=x_min,
        x_max=x_max)
    opt_line, pcov_line = plot_functions.do_fit(bins_center,
                                                asimmetry,
                                                asimmetry_err,
                                                param_names=['m', 'costant'],
                                                param_units=['MHz', ''],
                                                fit_function=functions.line,
                                                p0=None,
                                                x_min=x_min,
                                                x_max=x_max)
    plt.subplot(2, 1, 2)
    residui = (asimmetry -
               functions.line(bins_center, *opt_line)) / asimmetry_err
    plot_functions.scatter_plot(bins_center,
                                residui,
                                'dt [$\mu$s]',
                                'Residui ',
                                dy=asimmetry_err / asimmetry_err,
                                title='')

    #likelihood test:
    mask = (bins_center > x_min)
    asimmetry = asimmetry[mask]
    asimmetry_err = asimmetry_err[mask]
    bins_center = bins_center[mask]
    l_likelihood_wave = functions.gauss_log_likelihood(bins_center, asimmetry,
                                                       asimmetry_err,
                                                       functions.wave,
Пример #8
0
def make_f_theta_grid(delTheta=0.025, delF=[0.04, 0.01]):
    """
    Using parameters found in f_theta_line.py, make a parallelogram
    grid of points in (Theta, F) space for use in cylindrical
    equilibrium modeling.  In this function x means Theta and y means
    F.
    """
    import matplotlib.mlab as mm
    import numpy as np
    import functions as fu
    reload(fu)
    # Specify the boundaries of the grid.
    # Original, simple case for 2012-02-17 AM or early PM.
    # Parallelogram case
    #def make_f_theta_grid(delTheta=0.025, delF=0.025):
    #    [x2, y2] = [1.0, 0.0]
    #    [x3, y3] = [2.25, 0.0]
    #    [x0, y0] = [2.5, -2.0]
    #    [x1, y1] = [3.75, -2.0]
    #    Nx = int((x1 - x0) / delTheta + 1)
    #    Ny = int((y2 - y0) / delF + 1)
    #    x = np.linspace(x0, x1, Nx)
    #    y = np.linspace(y0, y2, Ny)
    #    X, Y = np.meshgrid(x, y)
    #    a, b = fu.line([x0, y0], [x2, y2])
    #    for i in range(Ny):
    #        X[i] = X[i] - (x0 - (Y[i] - b) / a)
    #    return X, Y
    # Updated case from 2012-02-17 late PM or later.
    # Trapezoid case until 2012-10-12
    # called larger_theta_f_space
    # with (delTheta=0.025, delF=[0.04, 0.01]):
    #[x2, y2] = [1.25, 0.125]
    #[x3, y3] = [1.625, 0.125]
    #[x0, y0] = [2.375, -2.0]
    #[x1, y1] = [3.75, -2.0]
    # Trapezoid case until 2012-10-14
    # called smaller_theta_f_space
    # with delTheta=0.05, delF=[0.05, 0.01]
    #[x2, y2] = [1.375, 0.0]
    #[x3, y3] = [1.675, 0.0]
    #[x0, y0] = [2.25, -1.75]
    #[x1, y1] = [3.75, -1.75]
    # Trapezoid case after 2012-10-13 (not used yet):
    # called larger_theta_f_space, like pre-2012-10-12,
    # with (delTheta=0.025, delF=[0.04, 0.01]):
    # MST
    [x2, y2] = [1.25, 0.125]
    [x3, y3] = [1.625, 0.125]
    [x0, y0] = [2.375, -2.0]
    [x1, y1] = [3.75, -2.0]
    # RELAX
    [x2, y2] = [0.75, 0.5]
    [x3, y3] = [1.25, 0.5]
    [x0, y0] = [2.75, -1.5]
    [x1, y1] = [4.25, -1.5]
    # Get the desired delTheta resolution at middle altitude:
    Nx = int(((x1 + x3) - (x0 + x2)) / 2.0 / delTheta + 1)
    # Old way is to use regular y, i.e. constant diff(y).
    #Ny = int((y2 - y0) / delF + 1)
    #y = np.array([[i] for i in np.linspace(y0, y2, Ny)])
    #Y = np.tile(y, Nx)
    # New way is to use y with a varying diff(y).
    # Get the desired delF resolution as a function of f.
    # Note the sum delF[0] + delF[1] should be an integer divisor of
    # 2(y2 - y0).
    Ny = int(2.0 * (y2 - y0) / (delF[0] + delF[1])) + 2
    delFuse = np.append(
        0.0, delF[0] + (delF[1] - delF[0]) / (Ny - 2.0) * np.arange(Ny - 1))
    y = y0 + np.cumsum(delFuse)
    X = np.zeros([Ny, Nx])
    Y = X.copy()
    aleft, bleft = fu.line([x0, y0], [x2, y2])
    aright, bright = fu.line([x1, y1], [x3, y3])
    Y = np.tile(np.array([y]).T, Nx)
    for i in range(Ny):
        X[i] = np.linspace((y[i] - bleft) / aleft, (y[i] - bright) / aright,
                           Nx)
    return X, Y
Пример #9
0
plt.close("all")
plt.figure('Fig1')
plt.suptitle('Lineas Rectas')  # Ponemos un título
#Podemos usar subplots_adjust(left=None, bottom=None, right=None, top=None, wspace=None, hspace=None)
#Para ajustar los espacios de las figuras pequeñas
plt.subplots_adjust(wspace = 0.5)

##Vamos hacer 3 gráficas en una sóla figura
plt.subplot(1,3,1) 
plt.title('Linea 1') 
plt.xlabel('x[m]')  # Ponemos etiqueta al eje x
plt.ylabel('y[m]')  # Ponemos etiqueta al eje y

#Aquí vemos como cambiar el marcador, su tamaño, su color de contorno (edge) y el color de relleno (face) 
plt.plot(x,f2d.line(x,1,5),linestyle="",marker="o",markersize=5,markeredgecolor="blue",markerfacecolor="red") 

plt.subplot(1,3,2) 
plt.title('Linea 2') 
plt.xlabel('x[m]')  # Ponemos etiqueta al eje x
plt.ylabel('y[m]')  # Ponemos etiqueta al eje y

#Aquí vemos como cambiar el tipo de línea y su grosor 
plt.plot(x,f2d.line(x,-10,-4), color="blue",linestyle="--",linewidth=5) 

plt.subplot(1,3,3) 
plt.title('Linea 3') 
plt.xlabel('x[m]')  # Ponemos etiqueta al eje x
plt.ylabel('y[m]')  # Ponemos etiqueta al eje y

#Aquí vemos como cambiar tanto líneas como marcadores.