def plotDecisionBoundary(X, Y, scoreFn, values, title="", save_path=None):
# Plot the decision boundary. For that, we will asign a score to
# each point in the mesh [x_min, m_max]x[y_min, y_max].
x_min, x_max = X[:, 0].min() - 1, X[:, 0].max() + 1
y_min, y_max = X[:, 1].min() - 1, X[:, 1].max() + 1
h = max((x_max - x_min) / 200., (y_max - y_min) / 200.)
xx, yy = np.meshgrid(np.arange(x_min, x_max, h),
np.arange(y_min, y_max, h))
zz = np.array([scoreFn(x) for x in np.c_[xx.ravel(), yy.ravel()]])
zz = zz.reshape(xx.shape)
pl.figure()
CS = pl.contour(xx,
yy,
zz,
values,
colors='cornflowerblue',
linestyles='solid',
linewidths=1)
pl.clabel(CS, fontsize=9, inline=1)
# Plot the training points
pl.scatter(X[:, 0],
X[:, 1],
c=(1. - Y),
s=50,
cmap="coolwarm",
marker=".",
edgecolors="none")
pl.title(title)
if save_path:
pl.savefig(save_path, format='pdf')
pl.axis('tight')
def plotear(xi,yi,zi):
# mask inner circle
interior1 = sqrt(((xi+1.5)**2) + (yi**2)) < 1.0
interior2 = sqrt(((xi-1.5)**2) + (yi**2)) < 1.0
zi[interior1] = ma.masked
zi[interior2] = ma.masked
p.figure(figsize=(16,10))
pyplot.jet()
max=2.8
min=0.4
steps = 50
levels=list()
labels=list()
for i in range(0,steps):
levels.append(int((max-min)/steps*100*i)*0.01+min)
for i in range(0,steps/2):
labels.append(levels[2*i])
CSF = p.contourf(xi,yi,zi,levels,norm=colors.LogNorm())
CS = p.contour(xi,yi,zi,levels, format='%.3f', labelsize='18')
p.clabel(CS,labels,inline=1,fontsize=9)
p.title('electrostatic potential of two spherical colloids, R=lambda/3',fontsize=24)
p.xlabel('z-coordinate (3*lambda)',fontsize=18)
p.ylabel('radial coordinate r (3*lambda)',fontsize=18)
# add a vertical bar with the color values
cbar = p.colorbar(CSF,ticks=labels,format='%.3f')
cbar.ax.set_ylabel('potential (reduced units)',fontsize=18)
cbar.add_lines(CS)
p.show()
def plot_cost_func(data,
eq_idx,
mu_plot_step=0.1,
delta_plot_step=0.003,
number_of_contours=20,
mark_min_val=True):
"""
Plot cost function generated from system of equations and marks minimum value in the grid.
"""
mu_plot = np.arange(MIN_MU_VISUALIZATION,
MAX_MU_VISUALIZATION + mu_plot_step, mu_plot_step)
delta_plot = np.arange(MIN_DELTA_VISUALIZATION, MAX_DELTA_VISUALIZATION,
delta_plot_step)
MU, DELTA = np.meshgrid(mu_plot, delta_plot)
vis_arr = np.zeros(MU.shape)
for i in range(MU.shape[0]):
for j in range(MU.shape[1]):
vis_arr[i][j] = g((MU[i][j], DELTA[i][j]), data, eq_idx)
im = plt.imshow(vis_arr, cmap=cm.RdBu) # drawing the function
print('vis_arr.shape:', vis_arr.shape)
cset = contour(vis_arr, number_of_contours, linewidths=2, cmap=cm.Set2)
clabel(cset, inline=True, fmt='%1.1f', fontsize=10)
colorbar(im)
plt.xlabel(r'$\mu$')
plt.ylabel(r'$\delta$')
print('Minimal value in plotting grid:', np.amin(vis_arr))
# plot point we are looking for - point of function minimum
if mark_min_val:
delta_min_idx, mu_min_idx = divmod(vis_arr.argmin(), vis_arr.shape[1])
plt.plot(mu_min_idx, delta_min_idx, 'wo')
show()
def plot_thickness(self, levels, title):
import pylab as plt
cm = plt.contour(self.grid.x(), self.grid.y(),
self.geometry.ice_thickness.numpy(), levels=levels)
plt.clabel(cm)
plt.grid()
plt.title(title)
def graficaIntensidad(Z):
'grafica curvas de nivel'
#Se dibuja la funcion
im = imshow(Z,cmap=cm.RdBu)
#Se agrega el contorno de lineas con sus etiquetas
cset = contour(Z,n.arange(-2.0,2.0,0.1),linewidths=2,cmap=cm.Set2)
clabel(cset,inline=True,fmt='%1.1f',fontsize=10)
#Se agrega la barra de colores a la derecha
colorbar(im)
show()
def qplot(q):
qpts = [Bra(coherent(x+y*1j)) for x in xs for y in ys]
A = Matrix(gs, gs, [abs(a*q)**2 for a in qpts])
conts = pylab.contour(xs, ys, A, colors='brown', alpha=0.5, linewidths=2)
pylab.clabel(conts, **csty)
pylab.axis([2-ext,2+ext,-ext,ext])
pylab.axis('off')
def plot_sat():
global nan_index, sat_index, ns
plt.figure(figsize=(12,5))
plt.subplot(1,2,1)
ax1 = plt.contourf(nan_index.T)
plt.colorbar(ax1)
ax = plt.gca()
labels_x = ax.get_xticks().astype(int)
labels_y = ax.get_yticks()
lx, ly = set_ticks(labels_x,labels_y)
ax.set_xticklabels(lx)
ax.set_yticklabels(ly)
plt.xlabel(r'$s_{init}$'+' entropy',fontsize=12)
plt.ylabel(r'$q_t$ moisture',fontsize=12)
plt.title('nan-index (1=qt*<0,0=qt*>0')
plt.subplot(1,2,2)
ax1 = plt.contourf(sat_index.T)
ax2 = plt.contour(nan_index.T,'k',levels=[-1.0,1.0],linewidth=5)
# ax3 = plt.contourf(nan_index, hatch="/")
# ax3 = plt.fill(nan_index, fill=False, hatch='\\')
plt.clabel(ax2,inline=1,fontsize=10)
plt.colorbar(ax1)
ax = plt.gca()
labels_x = ax.get_xticks().astype(int)
labels_y = ax.get_yticks()
lx, ly = set_ticks(labels_x,labels_y)
ax.set_xticklabels(lx)
ax.set_yticklabels(ly)
plt.xlabel(r'$s_{init}$'+' entropy',fontsize=12)
plt.ylabel(r'$q_t$ moisture',fontsize=12)
plt.title('sat-index (0=unsat,1=sat)')
plt.savefig('figures/sat_index.png')
plt.close()
def plotContour(angles,freqs,mags,fig=-1,center=180,norm=False):
if fig==-1:
newFig = True
print "making new figure"
fig = lab.figure()
ax = fig.add_subplot(111)
else:
newFig = False
ax = fig.get_axes()[0]
#the ytick labels should be around zero probably
angles = np.array(angles,dtype=np.int) - center
angles = np.array(angles,dtype=np.str)
dFreq = freqs[1]-freqs[0]
if norm:
contours = (-20,-10,-6,-3,-1,-0.1)
colors = ("lightgrey","silver","grey","red","black","green")
else:
# contours = (-20,-10,-6,-3,-0.1)
contours = (-10,-3,0,3,6,9,12)
colors = ("lightgrey","silver","grey","dimgrey","black","white","red")
print "fart"
# colors = ("lightgrey","silver","red","black","green")
cs = ax.contour(freqs+dFreq/2.,angles,mags,contours,colors=colors)
lab.clabel(cs, inline=1, fontsize=10)
if newFig==False:
fig.canvas.draw()
else:
fig.show()
def plotSurface(pt, td, winds, map, stride, title, file_name):
pylab.figure()
pylab.axes((0.05, 0.025, 0.9, 0.9))
u, v = winds
nx, ny = pt.shape
gs_x, gs_y = goshen_3km_gs
xs, ys = np.meshgrid(gs_x * np.arange(nx), gs_y * np.arange(ny))
data_thin = tuple([ slice(None, None, stride) ] * 2)
td_cmap = matplotlib.cm.get_cmap('Greens')
td_cmap.set_under('#ffffff')
pylab.contourf(xs, ys, td, levels=np.arange(40, 80, 5), cmap=td_cmap)
pylab.colorbar()
CS = pylab.contour(xs, ys, pt, colors='r', linestyles='-', linewidths=1.5, levels=np.arange(288, 324, 4))
pylab.clabel(CS, inline_spacing=0, fmt="%d K", fontsize='x-small')
pylab.quiver(xs[data_thin], ys[data_thin], u[data_thin], v[data_thin])
drawPolitical(map, scale_len=75)
pylab.suptitle(title)
pylab.savefig(file_name)
pylab.close()
return
def plotear(xi,yi,zi):
# mask inner circle
interior = sqrt((xi**2) + (yi**2)) < 1.0
zi[interior] = ma.zeros
pylab.figure(figsize=(16,10))
levels = [log(1e-9), log(5e-9), log(1e-8), log(5e-8), log(1e-7), log(5e-7), log(1e-6), log(5e-6), log(1e-5), log(5e-5), log(1e-4), log(2e-4), log(4e-4), log(8e-4), log(1.2e-3), log(2.4e-3), log(4.8e-3), log(9.6e-3)]
matplotlib.rcParams['contour.negative_linestyle'] = 'solid'
rc('text', usetex=True)
scale = list()
counter = 0
labels = dict()
for i in levels:
scale.insert(counter,str(pow(e,i)))
labels[levels[counter]] = scale[counter]
counter = counter + 1
matplotlib.rcParams['contour.negative_linestyle'] = 'solid'
CS = pylab.contour(xi,yi,zi, levels, colors='black', lynestiles='solid')
print str(labels)
pylab.clabel(CS,levels[0::2], fmt=labels, fontsize=20, inline=1)
#p.clabel(CS,levels[1::2], fmt={log(1e-9):'1e-9', log(5e-9):'5e-9', log(1e-8):'1e-8', log(5e-8):'5e-8', log(1e-7):'1e-7', log(5e-7):'5e-7', log(1e-6):'1e-6', log(5e-6):'5e-8', log(1e-5):'1e-5', log(5e-5):'5e-5', log(1e-4):'1e-4', log(2e-4):'2e-4', log(4e-4):'4e-4', log(8e-4):'8e-4', log(1.2e-3):'1.2e-3', log(2.4e-3):'2.4e-3', log(4.8e-3):'4.8e-3'}, fontsize=9, inline=1)
pylab.xlim((-7.0,7.0))
pylab.ylim((0, 7.0))
pylab.title('iPBS absolute error', fontsize=25)
pylab.xlabel(r'$\displaystyle z/\lambda_D$',fontsize=20)
pylab.ylabel(r'$\displaystyle r/\lambda_D$',fontsize=20)
#pylab.show()
savefig('ipbs_abs_far')
return xi, yi, zi
def plot(self):
if self.X.shape[1] == 1:
pb.figure()
Xtest, xmin, xmax = GPy.util.plot.x_frame1D(self.X)
mu, var = self._predict_raw(Xtest)
#GPy.util.plot.gpplot(Xtest, mu, mu - 2*np.sqrt(var), mu + 2*np.sqrt(var))
pb.plot(self.X, self.Y, 'kx', mew=1)
pb.plot(Xtest,
0.5 * (1 + erf(mu / np.sqrt(2. * var))),
linewidth=2)
pb.ylim(-.1, 1.1)
elif self.X.shape[1] == 2:
pb.figure()
Xtest, xx, yy, xymin, xymax = GPy.util.plot.x_frame2D(self.X)
p = self.predict(Xtest)
c = pb.contour(xx,
yy,
p.reshape(*xx.shape), [0.1, 0.25, 0.5, 0.75, 0.9],
colors='k')
pb.clabel(c)
i1 = self.Y == 1
pb.plot(self.X[:, 0][i1], self.X[:, 1][i1], 'rx', mew=2, ms=8)
i2 = self.Y == 0
pb.plot(self.X[:, 0][i2], self.X[:, 1][i2], 'wo', mew=2, mec='b')
def plot_pairwise_contours(theta,nuvec,Cinv,lvls=(2.291,6.158,11.618)):
"""
> theta is a (3,) vector that contains the model parameters
> thetavecs is a (n,3) matrix that contains the values of the parameters
that will be plotted over
"""
labels = ['A','nu0','sigma']
fisher = fisher_matrix(theta,nuvec,Cinv)
Finv = n.linalg.inv(fisher)
thetavecs = n.zeros((50,theta.shape[0]))
for ii in range(theta.shape[0]):
thetavecs[:,ii] = n.linspace(theta[ii]-5*n.sqrt(Finv[ii,ii]),theta[ii]+5*n.sqrt(Finv[ii,ii]),num=50)
print thetavecs
for ii,jj in ((0,1),(0,2),(1,2)):
print ii,jj
ts = thetavecs[:,[ii,jj]]
print thetavecs.shape
print ts.shape
fs = fisher_select_pair(fisher,ii,jj)
print fs.shape
t0,t1 = n.meshgrid(ts[:,0],ts[:,1])
print t0.shape
Z = fs[0,0]*(t0-theta[ii])*(t0-theta[ii]) + (fs[0,1]+fs[1,0])*(t0-theta[ii])*(t1-theta[jj]) + fs[1,1]*(t1-theta[jj])*(t1-theta[jj])
p.pcolor(t0,t1,Z)
p.colorbar()
CS = p.contour(t0,t1,Z,levels=lvls) #levels=lvls
p.clabel(CS, inline=1, fontsize=10)
#p.contour(t0,t1,Z,lvls)
p.xlabel(labels[ii])
p.ylabel(labels[jj])
p.savefig('./figures/fisher/contours_{0}_{1}.pdf'.format(labels[ii],labels[jj]))
p.clf()
def plotDecisionBoundary(X, Y, scoreFn, values, title=""):
# Plot the decision boundary. For that, we will asign a score to
# each point in the mesh [x_min, m_max]x[y_min, y_max].
x_min, x_max = X[:, 0].min() - 1, X[:, 0].max() + 1
y_min, y_max = X[:, 1].min() - 1, X[:, 1].max() + 1
h = max((x_max - x_min) / 200., (y_max - y_min) / 200.)
xx, yy = meshgrid(arange(x_min, x_max, h), arange(y_min, y_max, h))
zz = array([scoreFn(x) for x in c_[xx.ravel(), yy.ravel()]])
zz = zz.reshape(xx.shape)
pl.figure()
CS = pl.contour(xx,
yy,
zz,
values,
colors='green',
linestyles='solid',
linewidths=2)
pl.clabel(CS, fontsize=9, inline=1)
# Plot the training points
pl.scatter(X[:, 0], X[:, 1], c=(1. - Y), s=50, cmap=pl.cm.cool)
pl.title(title)
pl.xlabel(r'$x_1$')
pl.ylabel(r'$x_2$')
pl.legend(loc='best')
pl.axis('tight')
pl.show()
def draw_bandstructure(
jobname, kspace, band, ext=".csv", format="pdf", filled=True, levels=15, lines=False, labeled=False, legend=False
):
# clf()
fig = figure(figsize=fig_size)
ax = fig.add_subplot(111, aspect="equal")
x, y, z = loadtxt(jobname + ext, delimiter=", ", skiprows=1, usecols=(1, 2, 4 + band), unpack=True)
if kspace.dimensions == 1:
pylab.plot(x, y, z)
elif kspace.dimensions == 2:
xi = linspace(-0.5, 0.5, kspace.x_res)
yi = linspace(-0.5, 0.5, kspace.y_res)
zi = griddata(x, y, z, xi, yi)
if filled:
cs = ax.contourf(xi, yi, zi, levels, **contour_filled)
legend and colorbar(cs, **colorbar_style)
cs = lines and ax.contour(xi, yi, zi, levels, **contour_lines)
labeled and lines and clabel(cs, fontsize=8, inline=1)
else:
cs = ax.contour(xi, yi, zi, levels, **contour_plain)
legend and colorbar(cs, **colorbar_style)
labeled and clabel(cs, fontsize=8, inline=1)
ax.set_xlim(-0.5, 0.5)
ax.set_ylim(-0.5, 0.5)
savefig(jobname + format, format=format, transparent=True)
def Contour(X,Y,Z, label='', levels=None, cmapidx=0, colors=None, fmt='%g', lwd=1, fsz=10,
inline=0, wire=True, cbar=True, zorder=None, markZero='', clabels=True):
"""
Plot contour
============
"""
L = None
if levels != None:
if not hasattr(levels, "__iter__"): # not a list or array...
levels = linspace(Z.min(), Z.max(), levels)
if colors==None:
c1 = contourf (X,Y,Z, cmap=Cmap(cmapidx), levels=levels, zorder=None)
else:
c1 = contourf (X,Y,Z, colors=colors, levels=levels, zorder=None)
if wire:
c2 = contour (X,Y,Z, colors=('k'), levels=levels, linewidths=[lwd], zorder=None)
if clabels:
clabel (c2, inline=inline, fontsize=fsz)
if cbar:
cb = colorbar (c1, format=fmt)
cb.ax.set_ylabel (label)
if markZero:
c3 = contour(X,Y,Z, levels=[0], colors=[markZero], linewidths=[2])
if clabels:
clabel(c3, inline=inline, fontsize=fsz)
def plotear(xi,yi,zi):
# mask inner circle
interior = sqrt((xi**2) + (yi**2)) < 5.0
zi[interior] = ma.zeros
#exterior = sqrt((xi**2) + (yi**2)) > 25.0
#zi[exterior] = ma.empty
p.figure(figsize=(16,10))
levels = [log(.75e-5), log(1.25e-4), log(2.5e-4), log(0.005), log(0.01), log(0.02), log(0.04), log(0.08), log(0.16), log(0.32), log(0.64)]
scale = list()
counter = 0
for i in levels:
scale.insert(counter, pow(e,i))
counter = counter + 1
#scale[i]=10^i
# scale[i] = pow(10,levels[i])
#levels = [0.005, 0.01, 0.02, 0.04, 0.08, 0.16, 0.32, 0.64, 1.28, 2.56]
#levels = [log(0.005), log(0.01), log(0.02),log(0.04), log(0.08), log(0.16), log(0.32), log(0.64), log(1.28), log(2.56)]
#levels = [zi.min() , zi.max() , (zi.max()-zi.min())/10]
#v = np.linspace(0., 1., 25, endpoint=True)
#v = np.logspace(1e-8,1e-1, num=10, endpoint=True, base=2)
#levels = (0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.)
CSF = p.contourf(xi,yi,zi, levels, cmap=cm.jet)
#CSF = p.contourf(xi,yi,zi)
CS = p.contour(xi,yi,zi, levels)
p.clabel(CS,levels, fmt={log(.75e-5):'hallo', log(1.25e-4):'3', log(2.5e-4):'4', log(0.005):'5', log(0.01):'6', log(0.02):'7', log(0.04):'8', log(0.08):'9', log(0.16):'10', log(0.32):'11', log(0.64):'12'})
p.title('iPBS relative error')
p.xlabel('x-coordinate',fontsize=12)
p.ylabel('y-coordinate',fontsize=12)
# add a vertical bar with the color values
cbar = p.colorbar(CSF, ticks=levels, format='%g')
cbar.ax.set_yticklabels(scale)
cbar.ax.set_ylabel('Relative error in %',fontsize=12)
cbar.add_lines(CS)
p.show()
def plot_T1_contour(model, metHb=0.005):
"""Given a model (defined according to fitting.py) will plot constant sO2 contours as a function of Hct for
a given esp (in seconds)"""
Hct_full = np.arange(0.0, 1.01, 0.01)
sO2_full = np.arange(-0.1, 1.1, 0.01)
[Hct_mat, sO2_mat] = np.meshgrid(Hct_full, sO2_full)
ij = itertools.product(range(Hct_mat.shape[0]), range(Hct_mat.shape[1]))
R1_ans = np.zeros_like(Hct_mat)
xx = np.zeros(3)
for element in ij:
xx = [Hct_mat[element], sO2_mat[element], metHb]
R1_ans[element[0], element[1]] = model(xx)
# plt.figure()
#C = plt.contour(100*sO2_mat,1000/R1_ans,Hct_mat,np.arange(0.0,1.1,0.05),vmin=0,vmax=0.95,linewidths=1.5,cmap=matplotlib.cm.jet)
C = plt.contour(100 * sO2_mat,
1000 / R1_ans,
Hct_mat,
np.r_[0:0.3:0.05, 0.3:1.1:0.1],
vmin=0,
vmax=0.95,
linewidths=1.5,
cmap=matplotlib.cm.jet)
#C = plt.contour(Hct_mat,1000/R1_ans,sO2_mat,np.arange(-0.5,1.05,0.05),vmin=0,vmax=1.1,linewidths=1.5,cmap=matplotlib.cm.cool)
plt.clabel(C,
C.levels[::2],
colors='k',
inline=True,
fmt="%0.2f",
fontsize=14)
def plot_T2_contour(esp, model):
"""Given a model (defined according to fitting.py) will plot constant sO2 contours as a function of Hct for
a given esp (in seconds)"""
Hct_full = np.arange(0.0, 0.9, 0.005)
sO2_full = np.arange(0.0, 1.1, 0.005)
[Hct_mat, sO2_mat] = np.meshgrid(Hct_full, sO2_full)
ij = itertools.product(range(Hct_mat.shape[0]), range(Hct_mat.shape[1]))
R2_ans = np.zeros_like(Hct_mat)
xx = np.zeros(3)
for element in ij:
xx = np.array([Hct_mat[element], sO2_mat[element], esp, 0.0])
R2_ans[element[0], element[1]] = model(xx)
# plt.figure()
#C = plt.contour(Hct_mat,1000/R2_ans,100*sO2_mat,np.arange(0,110,10),vmin=0,vmax=110,linewidths=1.5,linestyles='solid',cmap=matplotlib.cm.jet)
C = plt.contour(Hct_mat,
1000 / R2_ans,
100 * sO2_mat,
np.r_[0:40:20, 30:110:10],
vmin=0,
vmax=110,
linewidths=1.5,
linestyles='solid',
cmap=matplotlib.cm.cool)
plt.clabel(C,
C.levels[::2],
colors='k',
inline=True,
fmt="%0.1f",
fontsize=14)
def main():
zf = np.vectorize(z_function)
find_extremum(1)
x, y = np.arange(0.1, 7.0, 0.1), np.arange(0.1, 7.0, 0.1)
X, Y = pl.meshgrid(x, y)
Z = zf(X, Y, 1)
im = pl.imshow(Z, cmap=pl.cm.RdBu)
cset = pl.contour(Z, np.arange(21, 100, 10), linewidths=2, cmap=pl.cm.Set2)
pl.clabel(cset, inline=True, fmt='%1.1f', fontsize=15)
pl.colorbar(im)
pl.title('z = x*y + 50/x + 20/y')
pl.show()
print()
find_extremum(2)
x, y = np.arange(0.1, 5.0, 0.1), np.arange(0.1, 5.0, 0.1)
X, Y = pl.meshgrid(x, y)
Z = zf(X, Y, 2)
im = pl.imshow(Z, cmap=pl.cm.RdBu)
cset = pl.contour(Z, np.arange(-10, 0, 1), linewidths=3, cmap=pl.cm.Set2)
pl.clabel(cset, inline=True, fmt='%1.1f', fontsize=10)
pl.colorbar(im)
pl.title('z = x^2 + y^2 - 2*log(x) - 18*log(y)')
pl.show()
print()
find_extremum(3)
def plot_ua_vvel(press):
print(" %smb VVEL" % press)
level = levid[str(press)]
#Set Figure Size (1000 x 800)
pylab.figure(figsize=(width, height), frameon=False)
cdict_vvel = {
'red': ((0.00, 0.50, 0.50), (0.10, 1.00, 1.00), (0.20, 1.00, 1.00),
(0.35, 1.00, 1.00), (0.40, 1.00, 1.00), (0.45, 0.80, 0.80),
(0.50, 0.72, 0.72), (0.55, 0.68, 0.68), (0.60, 0.64, 0.64),
(0.65, 0.60, 0.70), (0.70, 0.40, 0.45), (0.80, 0.20, 0.20),
(0.90, 0.00, 0.00), (1.00, 0.00, 0.00)),
'green': ((0.00, 0.35, 0.35), (0.10, 0.45, 0.45), (0.20, 0.55, 0.55),
(0.35, 1.00, 1.00), (0.40, 1.00, 1.00), (0.45, 1.00, 1.00),
(0.50, 1.00, 1.00), (0.55, 1.00, 1.00), (0.60, 1.00, 1.00),
(0.65, 1.00, 1.00), (0.70, 1.00, 1.00), (0.80, 1.00, 1.00),
(0.90, 1.00, 1.00), (1.00, 0.80, 0.80)),
'blue': ((0.00, 0.00, 0.00), (0.10, 0.00, 0.00), (0.20, 0.20, 0.20),
(0.35, 1.00, 1.00), (0.40, 1.00, 1.00), (0.45, 1.00, 1.00),
(0.50, 1.00, 1.00), (0.55, 1.00, 1.00), (0.60, 1.00, 1.00),
(0.65, 1.00, 1.00), (0.70, 1.00, 1.00), (0.80, 1.00, 1.00),
(0.90, 1.00, 1.00), (1.00, 0.80, 0.80))
}
vvel_coltbl = LinearSegmentedColormap('VVEL_COLTBL', cdict_vvel)
vert_vel = np.multiply(w_wind_ua[time, level], 100)
vert_vel = np.nan_to_num(vert_vel)
VVEL = pylab.contourf(x,
y,
vert_vel,
vvel_clevs,
cmap=vvel_coltbl,
extend='both')
# Contour the heights
heights = hght_clevs[contlevid[str(press)]]
phtotal = np.add(phb[time, level], ph[time, level])
gheight = np.divide(phtotal, 9.81)
#gheight = ght[time,level]
HGHT = pylab.contour(x, y, gheight, heights, colors='k', linewidths=1.5)
pylab.clabel(HGHT, inline=1, fontsize=8, fmt='%1.0f', inline_spacing=1)
# Convert winds from m/s to kts and then draw barbs
u_wind_kts = u_wind_ms_ua[time, level] * 1.94384449
v_wind_kts = v_wind_ms_ua[time, level] * 1.94384449
pylab.barbs(x_th,y_th,u_wind_kts[::thin,::thin],\
v_wind_kts[::thin,::thin], length=5, sizes={'spacing':0.2},pivot='middle')
title = '%s mb VVel, Height (m), Wind (kts)' % press
prodid = '%smb_vert_vel' % press
units = "cm/s"
drawmap(VVEL, title, prodid, units)
def plotSurface(pt, td, winds, map, stride, title, file_name):
pylab.figure()
pylab.axes((0.05, 0.025, 0.9, 0.9))
u, v = winds
nx, ny = pt.shape
gs_x, gs_y = goshen_3km_gs
xs, ys = np.meshgrid(gs_x * np.arange(nx), gs_y * np.arange(ny))
data_thin = tuple([slice(None, None, stride)] * 2)
td_cmap = matplotlib.cm.get_cmap('Greens')
td_cmap.set_under('#ffffff')
pylab.contourf(xs, ys, td, levels=np.arange(40, 80, 5), cmap=td_cmap)
pylab.colorbar()
CS = pylab.contour(xs,
ys,
pt,
colors='r',
linestyles='-',
linewidths=1.5,
levels=np.arange(288, 324, 4))
pylab.clabel(CS, inline_spacing=0, fmt="%d K", fontsize='x-small')
pylab.quiver(xs[data_thin], ys[data_thin], u[data_thin], v[data_thin])
drawPolitical(map, scale_len=75)
pylab.suptitle(title)
pylab.savefig(file_name)
pylab.close()
return
def plot_ua_rhum(press):
print(" %smb RHUM" % press)
level = levid[str(press)]
#Set Figure Size (1000 x 800)
pylab.figure(figsize=(width, height), frameon=False)
heights = hght_clevs[contlevid[str(press)]]
cdict = {
'red': ((0.00, 0.76, 0.76), (0.25, 0.64, 0.64), (0.50, 0.52, 0.52),
(0.75, 0.42, 0.42), (1.00, 0.32, 0.32)),
'green': ((0.00, 0.90, 0.90), (0.25, 0.80, 0.80), (0.50, 0.70, 0.70),
(0.75, 0.60, 0.60), (1.00, 0.50, 0.50)),
'blue': ((0.00, 0.49, 0.49), (0.25, 0.32, 0.32), (0.50, 0.17, 0.17),
(0.75, 0.06, 0.06), (1.00, 0.05, 0.05))
}
rhum_coltbl = LinearSegmentedColormap('RHUM_COLTBL', cdict)
# Temperature calculation here
#TC = temps_ua[time,level] - 273
TH_K = np.add(temps_ua[time, level], temps_base_ua)
TK = np.multiply(TH_K, math.pow((float(press) / 1000.), (287.04 / 1004.)))
TC = TK - 273
# RHUM Calculation here
es = 6.112 * np.exp(17.67 * TC / (TC + 243.5))
w = np.divide(qvap[time, level], (1 - qvap[time, level]))
e = (w * float(press)) / (0.622 + w)
relh = e / es * 100.
RHUM = pylab.contourf(x,
y,
relh,
rhum_clevs,
extend='max',
cmap=rhum_coltbl)
# Contour the heights
phtotal = np.add(phb[time, level], ph[time, level])
gheight = np.divide(phtotal, 9.81)
#gheight = ght[time,level]
HGHT = pylab.contour(x, y, gheight, heights, colors='k', linewidths=1.5)
pylab.clabel(HGHT, inline=1, fontsize=8, fmt='%1.0f', inline_spacing=1)
# Convert winds from m/s to kts and then draw barbs
u_wind_kts = u_wind_ms_ua[time, level] * 1.94384449
v_wind_kts = v_wind_ms_ua[time, level] * 1.94384449
pylab.barbs(x_th,y_th,u_wind_kts[::thin,::thin],\
v_wind_kts[::thin,::thin], length=5, sizes={'spacing':0.2},pivot='middle')
title = '%s mb RELH, Height (m), Wind (kts)' % press
prodid = '%smb_rel_hum' % press
units = "percent"
drawmap(RHUM, title, prodid, units)
def plot_s(s_,sd_,sv_,sc_,name):
global nan_index, ns, plt_count
plt.figure(figsize=(20,5))
plt.subplot(1,4,1)
ax1 = plt.contourf(s_.T)
ax2 = plt.contour(sd_.T+sc_.T,levels=[0.0],linewidths=2)
plt.clabel(ax2, inline=1, fontsize=10)#, text=r'$\alpha$')
ax3 = plt.contour(nan_index.T,levels=[-1.0,1.0],linewidths=1)
plt.clabel(ax3, inline=1, fontsize=10)#, text=r'$\alpha$')
plt.colorbar(ax1)
ax = plt.gca()
labels_x = ax.get_xticks().astype(int)
labels_y = ax.get_yticks()
lx, ly = set_ticks(labels_x,labels_y)
ax.set_xticklabels(lx)
ax.set_yticklabels(ly)
plt.xlabel(r'$s_{init}$'+' entropy',fontsize=12)
plt.ylabel(r'$q_t$ moisture',fontsize=12)
plt.title(name +' (cont=sd+sc, nan_index)')
plt.subplot(1,4,2)
ax1 = plt.contourf(sd_.T)
ax2 = plt.contour(nan_index.T,levels=[-1.0,1.0],linewidth=2)
plt.clabel(ax2, inline=1, fontsize=10)#, text=r'$\alpha$')
plt.colorbar(ax1)
plt.xlabel(r'$s_{init}$'+' entropy',fontsize=12)
plt.title('s dry (cont=nan-ind)')
ax = plt.gca()
labels_x = ax.get_xticks().astype(int)
labels_y = ax.get_yticks()
lx, ly = set_ticks(labels_x,labels_y)
ax.set_xticklabels(lx)
plt.subplot(1,4,3)
ax1 = plt.contourf(sv_.T)
ax2 = plt.contour(s_.T,levels=[-4e5,0.0],colors='k',linewidths=2)
plt.clabel(ax2, inline=1, fontsize=10)#, text=r'$\alpha$')
plt.colorbar(ax1)
plt.title('s vap (cont=s1)',fontsize=15)
plt.xlabel(r'$s_{init}$'+' entropy',fontsize=12)
ax = plt.gca()
labels_x = ax.get_xticks().astype(int)
labels_y = ax.get_yticks()
lx, ly = set_ticks(labels_x,labels_y)
ax.set_xticklabels(lx)
plt.subplot(1,4,4)
ax1 = plt.contourf(sc_.T)
ax2 = plt.contour(s_.T,levels=[-4e5,0.0],colors='k',linewidths=2)
plt.clabel(ax2, inline=1, fontsize=10)#, text=r'$\alpha$')
plt.colorbar(ax1)
plt.title('s liquid (cont=s1)',fontsize=15)
plt.xlabel(r'$s_{init}$'+' entropy',fontsize=12)
ax = plt.gca()
labels_x = ax.get_xticks().astype(int)
labels_y = ax.get_yticks()
lx, ly = set_ticks(labels_x,labels_y)
ax.set_xticklabels(lx)
plt.savefig('figures/'+str(plt_count)+'_s1.png')
plt.close()
plt_count += 1
return
def _contourPlotFMeasure():
delta = 0.01
x = sc.arange(0., 1., delta)
y = sc.arange(0., 1., delta)
X, Y = sc.meshgrid(x, y)
cs = pl.contour(X, Y, fmeasure, sc.arange(
0.1, 1.0, 0.1)) # FIXME: make an array out of fmeasure first
pl.clabel(cs, inline=1, fontsize=10)
def contourf_raster(raster, **kwargs):
Z = raster.asarray()
Z = numpy.flipud(Z)
extent = (raster.llcorner[0], raster.llcorner[0] + raster.extent[0],
raster.llcorner[1], raster.llcorner[1] + raster.extent[1])
C = pylab.contourf(Z, extent=extent, **kwargs)
pylab.clabel(C)
pylab.axis('scaled')
def plot_contour(Z):
fig2 = plt.figure(2)
im = pl.imshow(Z)
cset = pl.contour(Z)
pl.clabel(cset,inline=True)
pl.colorbar(im)
plt.title('Contour')
return fig2
def draw(self):
(self.coord, self.stats, title, showLegend) = self.inputPorts
stds, corrs = self.stats.values[:, 0], self.stats.values[:, 1]
self.Xs = stds * corrs
self.Ys = stds * np.sin(np.arccos(corrs))
colors = pylab.cm.jet(np.linspace(0, 1, len(self.stats.ids)))
pylab.clf()
fig = pylab.figure(str(self))
dia = taylor_diagram.TaylorDiagram(stds[0],
corrs[0],
fig=fig,
label=self.stats.labels[0])
dia.samplePoints[0].set_color(
colors[0]) # Mark reference point as a red star
if self.stats.ids[0] in self.selectedIds:
dia.samplePoints[0].set_markeredgewidth(3)
# add models to Taylor diagram
for i, (_id, stddev, corrcoef) in enumerate(
zip(self.stats.ids[1:], stds[1:], corrs[1:])):
label = self.stats.labels[i + 1]
size = 3 if _id in self.selectedIds else 1
dia.add_sample(
stddev,
corrcoef,
marker='o', #self.markers[i],
ls='',
mfc=colors[i + 1],
mew=size,
label=label)
# Add grid
dia.add_grid()
# Add RMS contours, and label them
contours = dia.add_contours(levels=5, colors='0.5') # 5 levels in grey
pylab.clabel(contours, inline=1, fontsize=10, fmt='%.1f')
# Add a figure legend and title
if showLegend:
fig.legend(dia.samplePoints,
[p.get_label() for p in dia.samplePoints],
numpoints=1,
prop=dict(size='small'),
loc='upper right')
fig.suptitle(title, size='x-large') # Figure title
self.figManager.canvas.draw()
self.rectSelector = RectangleSelector(pylab.gca(),
self.onselect,
drawtype='box',
rectprops=dict(
alpha=0.4,
facecolor='yellow'))
self.rectSelector.set_active(True)
def show_2D(X, Y, Z):
fig = pl.figure()
cs = pl.contour(X, Y, Z, 30)
pl.clabel(cs, fmt='%.1f', colors="black")
# Add a color bar which maps values to colors.
fig.colorbar(cs, shrink=0.5, aspect=5)
pl.plot(n)
pl.show()
return 0
def plot_CC_all(T,pv_star_1,qv_star_1):
global ns
plt.figure(figsize=(20,5))
plt.subplot(1,4,1)
ax1 = plt.contourf(T.T,levels=np.linspace(0,500,250))
ax2 = plt.contour(p0-pv_star_1.T)#,levels=[0.0])
plt.ylabel(r'$q_t$'+' moisture',fontsize=12)
plt.xlabel(r'$s$'+' entropy',fontsize=12)
plt.title('temperature (no ql)',fontsize=15)
plt.colorbar(ax1)
ax = plt.gca()
labels_x = ax.get_xticks().astype(int)
labels_y = ax.get_yticks()
lx, ly = set_ticks(labels_x,labels_y)
ax.set_xticklabels(lx)
ax.set_yticklabels(ly)
plt.subplot(1,4,2)
plt.contourf(pv_star_1.T)
plt.xlabel(r'$s$'+' entropy',fontsize=12)
plt.title('Magnus Formula: '+r'$p_{v,1}^*$',fontsize=15)
plt.colorbar()
ax = plt.gca()
labels_x = ax.get_xticks().astype(int)
labels_y = ax.get_yticks()
lx, ly = set_ticks(labels_x,labels_y)
ax.set_xticklabels(lx)
ax.set_yticklabels(ly)
plt.subplot(1,4,3)
ax1 = plt.contourf(p0-pv_star_1.T)#,levels=np.linspace(-9e6,1e6))
ax2 = plt.contour(p0-pv_star_1.T, levels = [0.0])
plt.clabel(ax2,inline=1)
plt.xlabel(r'$s$'+' entropy',fontsize=12)
plt.title('p0-pv_star',fontsize=15)
plt.colorbar(ax1)
ax = plt.gca()
labels_x = ax.get_xticks().astype(int)
labels_y = ax.get_yticks()
lx, ly = set_ticks(labels_x,labels_y)
ax.set_xticklabels(lx)
ax.set_yticklabels(ly)
plt.subplot(1,4,4)
ax1 = plt.contourf(qv_star_1.T,levels=np.linspace(-10,10,250))
ax2 = plt.contour(qv_star_1.T,levels=[-1,0,1],linewidth=2,fontsize=6)
plt.clabel(ax2,inline=1)
plt.xlabel(r'$s$'+' entropy',fontsize=12)
plt.title('qv_star_1',fontsize=15)
plt.colorbar(ax1)
ax = plt.gca()
labels_x = ax.get_xticks().astype(int)
labels_y = ax.get_yticks()
lx, ly = set_ticks(labels_x,labels_y)
ax.set_xticklabels(lx)
ax.set_yticklabels(ly)
plt.savefig('figures/3_CC_all_Magnus_firstguess.png')
# plt.close()
return
def runanalysis():
filename = ourgui.openFile(type="npz")
data = np.load(filename, mmap_mode="r")
Y = data["Y"]
Z = data["Z"]
BY = data["BY"]
BZ = data["BZ"]
coilpos = getdata(data, "coilpos")
coilwidth = getdata(data, "coilwidth")
nturns = getdata(data, "nturns")
coilsize = getdata(data, "coilsize")
infopiece = []
if coilpos:
infopiece += ['Cpos: %g"' % coilpos]
if coilwidth:
infopiece += ['Cwidth: %g"' % coilwidth]
if coilsize:
infopiece += ['Csize: %g"' % coilsize]
if nturns:
infopiece += ["Turns: %d" % nturns]
infotitle = ", ".join(infopiece)
fig = pl.figure(figsize=(11.69, 8.27), dpi=100)
fig.text(0.4, 0.95, infotitle)
pl.subplot(2, 2, 1)
pl.quiver(Z, Y, BZ, BY)
pl.xlabel("Z")
pl.ylabel("Y")
pl.title("Magnetic field direction")
pl.subplot(2, 2, 2)
CS = pl.contour(Z, Y, BY / BZ)
pl.xlabel("Z")
pl.ylabel("Y")
pl.title("Y-strength/Z-strength")
pl.clabel(CS, inline=1, fontsize=10)
pl.subplot(2, 2, 3)
zpos = Z[:, 0]
zfield = BZ[:, 0] / BZ[0, 0]
pl.plot(zpos, zfield)
pl.xlabel("Z position")
pl.ylabel("On axis field strength")
pl.subplot(2, 2, 4)
fieldstrength = np.sqrt(BY ** 2 + BZ ** 2)
CS = pl.contour(Z, Y, fieldstrength)
pl.xlabel("Z")
pl.ylabel("Y")
pl.title("Field strength", fontsize=10)
pl.clabel(CS, inline=1, fontsize=10)
pl.show()
def plot_gaussian(mu, var, epsilon=0.089881552536):
""" IDK what is happening here and why I have to divide epsilon by 3.
"""
X1, X2 = np.meshgrid(np.linspace(0, 35), np.linspace(0, 35))
Z = get_probability(np.array([X1.flatten(), X2.flatten()]).T, mu, var)
Z = np.reshape(Z, X1.shape)
# Z[Z<epsilon] = 0
# Z[Z>epsilon] = 1
c = contour(X1, X2, Z, levels=[epsilon], lw=3, label="Gaussian Boundary")
clabel(c, inline=1, fmt='Epsilon=%3.5e', colors='k', fontsize=8)
def Contour (X,Y,Z, label='', nlevels=None, cmapidx=0, fmt='%g', wire=True, cbar=True):
L = None
if nlevels!=None: L = linspace(Z.min(), Z.max(), nlevels)
c1 = contourf (X,Y,Z, cmap=Cmap(cmapidx), levels=L)
if wire:
c2 = contour (X,Y,Z, nlevels=nlevels, colors=('k'), levels=L)
clabel (c2, inline=0)
if cbar:
cb = colorbar (c1, format=fmt)
cb.ax.set_ylabel (label)
def plot_contour(name, l, a, Z, ax=None):
if ax is None:
fig = pb.figure(name)
ax = fig.add_subplot(111)
extent = [l.min(),l.max(),a.min(),a.max()]
c = ax.contour(l,a,Z,colors='k', linestyles='solid')
pb.clabel(c)
ax.imshow(Z, extent=extent, origin='lower', interpolation='bilinear')
ax.set_xlabel('$\log(l)$')
ax.set_ylabel('$\log(a)$')
ax.figure.tight_layout()
def pre_plot(m, x, y, xhgt, height_res):
pylab.figure(figsize=(11.02, 8.27), dpi=72, frameon=True)
m.drawcoastlines(linewidth=1.5, color='black')
m.readshapefile('joklar/joklar', 'joklar', linewidth=1.5, color='black')
m.drawparallels(np.arange(63., 67., .1), labels=[1, 0, 0, 0])
m.drawmeridians(np.arange(-26., -12., .2), labels=[0, 0, 0, 1])
m.drawmapscale(-15., 63.5, -19., 65., 100., barstyle='fancy', fontsize=12)
iso = np.arange(height_res, 2300, height_res)
cs = m.contour(x, y, xhgt, iso, colors='#808080', linewidths=0.5)
pylab.clabel(cs, fmt='%1.0f', colors='#808080', inline=1, fontsize=10)
return m
def plot(cfg, raw: RegionAndWeights, lats: np.ndarray, lons: np.ndarray,
hgts: np.ndarray, weighed: np.ndarray):
# Crop domain shape vars to slightly larger than the weight matrix
pad = 1
j0 = raw.offset[0] - pad
i0 = raw.offset[1] - pad
j1 = j0 + raw.weight_grid.shape[0] + 2 * pad
i1 = i0 + raw.weight_grid.shape[1] + 2 * pad
crop_lats = lats[j0:j1, i0:i1]
crop_lons = lons[j0:j1, i0:i1]
crop_hgts = hgts[j0:j1, i0:i1]
# Pad weighted data to same size as above
padded = np.zeros(shape=crop_lats.shape)
padded[pad:-pad, pad:-pad] = weighed
# Setup basemap
m = setup_basemap(crop_lats, crop_lons)
xs, ys = m(crop_lons, crop_lats)
# Create static plot parts
pylab.figure(figsize=(12, 10), dpi=100, frameon=True)
m.drawcoastlines(linewidth=1.5, color='black')
m.readshapefile('joklar/joklar', 'joklar', linewidth=1.5, color='black')
plot_title = cfg.accumulation_plot_title_pattern.format(
simulation=cfg.simulation, region=raw.region)
# Plot elevation contours lines
iso = np.arange(0, 2300, 100)
cs = m.contour(xs, ys, crop_hgts, iso, colors='#808080', linewidths=0.5)
pylab.clabel(cs, fmt='%1.0f', colors='#808080', inline=1, fontsize=10)
pylab.title(plot_title)
# Plot precipitation
m.contourf(xs, ys, padded, levels=LEVELS, colors=COLORS, extend='neither')
cs = m.contour(xs, ys, padded, levels=LEVELS, colors=COLORS_CONTOURS)
pylab.axes().clabel(cs,
inline=1,
fontsize=10,
fmt='%g',
colors=COLORS_LABELS)
# Plot a dot for each simulation cell
m.plot(xs, ys, '.', ms=0.5, color=(0, 0, 0, 0.5))
# Write PNG and SVG files.
for ext in ('png', 'svg'):
plot_file = cfg.accumulation_plot_file_pattern.format(
simulation=cfg.simulation, region=raw.region, ext=ext)
print('\nsave', plot_file)
pylab.savefig(plot_file, pad_inches=0.2, bbox_inches='tight')
pylab.clf()
pylab.close()
def plot_all(n, gext, grid, data0, data1, g0, g1, gavg):
Z = np.exp(g0)+np.exp(g1)
eg0 = np.exp(g0)/Z
eg1 = np.exp(g1)/Z
err = np.minimum(eg0,eg1)
err = err.reshape(-1,n)
lx,hx,ly,hy = gext
asp = float(hx-lx) / (hy-ly)
alp = 1.0
ms = 8
p.figure()
p.subplot(2,2,1)
p.plot(data0[:,0], data0[:,1], 'g^',label='0', markersize=ms, alpha=alp)
p.plot(data1[:,0], data1[:,1], 'ro',label='1', markersize=ms, alpha=alp)
p.legend(fontsize=8, loc='best')
#p.contour(gavg, extent=gext, aspect=1, origin='lower', cmap = p.cm.gray)
#p.contour(gavg, [0.0], extent=gext, aspect=1, origin='lower', cmap = p.cm.gray)
#p.imshow(gavg, extent=gext, aspect=1, origin='lower')
#p.imshow(g0.reshape(-1,n), extent=gext, aspect=asp, origin='lower')
#p.colorbar()
p.contour(g0.reshape(-1,n), extent=gext, aspect=asp, origin='lower', cmap = p.cm.Greens)
p.subplot(2,2,2)
p.plot(data0[:,0], data0[:,1], 'g^',label='0', markersize=ms, alpha=alp)
p.plot(data1[:,0], data1[:,1], 'ro',label='1', markersize=ms, alpha=alp)
p.legend(fontsize=8, loc='best')
#p.contour(g0.reshape(-1,n), extent=gext, aspect=1, origin='lower', cmap = p.cm.Greens)
#p.contour(g1.reshape(-1,n), extent=gext, aspect=1, origin='lower', cmap = p.cm.Reds)
#p.contour((g1-g0).reshape(-1,n), [0.0], extent=gext, aspect=1, origin='lower', cmap = p.cm.gray)
#p.imshow((g1-g0).reshape(-1,n), extent=gext, aspect=1, origin='lower')
#p.imshow(g1.reshape(-1,n), extent=gext, aspect=asp, origin='lower')
#p.colorbar()
p.contour(g1.reshape(-1,n), extent=gext, aspect=asp, origin='lower', cmap = p.cm.Reds)
p.subplot(2,2,3)
p.plot(data0[:,0], data0[:,1], 'g^',label='0', markersize=ms, alpha=alp)
p.plot(data1[:,0], data1[:,1], 'ro',label='1', markersize=ms, alpha=alp)
p.legend(fontsize=8, loc='best')
#p.imshow(err, extent=gext, origin='lower', aspect=asp)
#p.colorbar()
p.contour((g1-g0).reshape(-1,n), [0.0], extent=gext, aspect=asp, origin='lower', cmap = p.cm.gray)
#p.contour(eg0.reshape(-1,n), extent=gext, aspect=1, origin='lower', cmap = p.cm.Greens)
#p.contour(eg1.reshape(-1,n), extent=gext, aspect=1, origin='lower', cmap = p.cm.Reds)
p.subplot(2,2,4)
p.plot(data0[:,0], data0[:,1], 'g^',label='0', markersize=ms)
p.plot(data1[:,0], data1[:,1], 'ro',label='1', markersize=ms)
p.legend(fontsize=8, loc='best')
p.contour((g1-g0).reshape(-1,n), [0.0], extent=gext, aspect=asp, origin='lower', cmap = p.cm.gray)
CS = p.contour(err, [0.4, 0.3, 0.2, 0.1, 0.05], extent=gext, aspect=asp, origin='lower')
p.clabel(CS, inline=1, fontsize=10, aspect=asp)
p.show()
def contour_plot(f, xdomain, ydomain, color=True):
"Contour plot of a function of two variables."
[xmin, xmax, _] = xdomain; [ymin, ymax, _] = ydomain
X, Y = np.meshgrid(np.linspace(*xdomain), np.linspace(*ydomain))
Z = np.array([f([x,y]) for (x,y) in zip(X.flat, Y.flat)]).reshape(X.shape)
contours = pl.contour(X, Y, Z, 20, colors='black')
pl.clabel(contours, inline=True, fontsize=8)
if color:
pl.imshow(Z, extent=[xmin, xmax, ymin, ymax], origin='lower', cmap='RdGy', alpha=0.5)
pl.axis(aspect='scalar')
pl.gcf().tight_layout()
pl.xlim(xmin,xmax); pl.ylim(ymin,ymax)
def graf(x):
reng = np.mean([math.fabs(np.mean(x[0])), math.fabs(np.mean(x[1]))])
Yy = np.arange(-1 * reng - 10, reng + 10, 0.1)
Xx = np.arange(-1 * reng - 10, reng + 10, 0.1)
X, Y = np.meshgrid(Xx, Yy)
pylab.figure(1)
cs = pylab.contour(X, Y, f(X, Y))
pylab.clabel(cs, colors="black", fmt='x=%.2f')
pylab.plot(x[0], x[1], 'g-^')
#pylab.plot(x[0], x[1], '*r')
pylab.grid()
pylab.show()
def TS_diagram(ss,ts,ax,dlev=0.1):
from seawater import csiro as sw
from numpy import linspace,meshgrid,arange
from pylab import clabel
t= linspace(ts.min(), ts.max(), 30)
s= linspace(ss.min(), ss.max(), 30)
s2d,t2d = meshgrid(s,t)
#ax.scatter(ss,ts,c=colors, s=size, facecolor=facecolor, edgecolor = 'none', marker = marker)
h=ax.contour(s2d,t2d,sw.pden(s2d,t2d,s2d*0)-1000,levels=arange(20,30,dlev),colors='k')
clabel(h,inline=1,fontsize=9,fmt='%3.1f')
return
def plot(X, cov, i_iter, save='pics'):
pl.clf()
pl.scatter(X[:, 0], X[:, 1], c='b', marker='+', alpha=0.3)
x = np.linspace(X[:, 0].min(), X[:, 0].max(), 100)
y = np.linspace(X[:, 1].min(), X[:, 1].max(), 100)
x_ = np.vstack([_.reshape(1, -1) for _ in np.meshgrid(x, y)]).T
p = np.exp(stats.multivariate_normal.logpdf(x_, m.data,
cov.data)).reshape(
x.size, -1)
cs = pl.contour(x, y, p, levels=[0.001, 0.01, 0.1])
pl.clabel(cs, inline=1, fontsize=10)
pl.pause(0.001)
def contour_plot(f, xdomain, ydomain, color='viridis', alpha=0.5, levels=None):
"Contour plot of a function of two variables."
[xmin, xmax, _] = xdomain; [ymin, ymax, _] = ydomain
X, Y = np.meshgrid(np.linspace(*xdomain), np.linspace(*ydomain))
Z = np.array([f(np.array([x,y])) for (x,y) in zip(X.flat, Y.flat)]).reshape(X.shape)
contours = pl.contour(X, Y, Z, 20, colors='black', levels=levels)
pl.clabel(contours, inline=True, fontsize=8)
if color is not None:
pl.imshow(Z, extent=[xmin, xmax, ymin, ymax], origin='lower', cmap=color, alpha=alpha)
pl.axis(aspect='scalar')
pl.gcf().tight_layout()
pl.xlim(xmin,xmax); pl.ylim(ymin,ymax)
def f5_cadence_plot(lsstpg,
band,
lims=None,
median_log_summary=None,
mag_range=(23., 26.5),
dt_range=(0.5, 15.),
target={}):
# SNR=dict(zip(['LSSTPG::' + b for b in 'grizy'],
# [20., 20., 20., 20., 10.]))):
dt = np.linspace(dt_range[0], dt_range[1], 100)
m5 = np.linspace(mag_range[0], mag_range[1], 100)
b = [band] * len(m5)
f5 = lsstpg.mag_to_flux(m5, b)
F5, DT = np.meshgrid(f5, dt)
M5, DT = np.meshgrid(m5, dt)
metric = np.sqrt(DT) * F5
# draw limits
pl.figure()
pl.imshow(metric,
extent=(mag_range[0], mag_range[1], dt_range[0], dt_range[1]),
aspect='auto',
alpha=0.25)
if lims is not None:
fmt = {}
ll = [lims[zz][band] for zz in lims.keys()]
cs = pl.contour(M5, DT, metric, ll, colors='k')
strs = ['$z=%3.1f$' % zz for zz in lims.keys()]
for l, s in zip(cs.levels, strs):
fmt[l] = s
pl.clabel(cs, inline=1, fmt=fmt, fontsize=16)
if median_log_summary is not None:
idx = median_log_summary['band'] == band
m = median_log_summary[idx]
pl.plot(m['m5'], m['cadence'], 'r+')
t = target.get(band, None)
print target, t
if t is not None:
pl.plot(t[0], t[1], color='r', marker='*', markersize=15)
pl.xlabel('$m_{5\sigma}$', fontsize=18)
pl.ylabel(r'Observer frame cadence $^{-1}$ [days]', fontsize=18)
pl.title('$%s$' % band.split(':')[-1], fontsize=18)
pl.xlim(mag_range)
pl.ylim(dt_range)
pl.grid(1)
def plot(self):
if self.X.shape[1]==1:
pb.figure()
Xtest, xmin, xmax = GPy.util.plot.x_frame1D(self.X)
mu = self.predict(Xtest)
pb.plot(Xtest.flatten(), mu.flatten(), 'b')
pb.plot(self.X, self.Y, 'kx', mew=1)
elif self.X.shape[1]==2:
pb.figure()
Xtest,xx,yy, xymin, xymax = GPy.util.plot.x_frame2D(self.X)
p = self.predict(Xtest)
c = pb.contour(xx,yy,p.reshape(*xx.shape), colors='k')
pb.clabel(c)
def graficaIntensidad(Z):
'grafica curvas de nivel'
im = imshow(Z,cmap=cm.RdBu)
cset = contour(Z,n.arange(-2.0,2.0,0.1),linewidths=2,cmap=cm.Set2)
clabel(cset,inline=True,fmt='%1.1f',fontsize=10)
colorbar(im)
show()
def contour_plot(f, xdomain, ydomain, color='viridis', alpha=0.5, levels=None):
"Contour plot of a function of two variables."
from arsenal import iterview
[xmin, xmax, _] = xdomain; [ymin, ymax, _] = ydomain
X, Y = np.meshgrid(np.linspace(*xdomain), np.linspace(*ydomain))
Z = np.array([f(np.array([x,y])) for (x,y) in iterview(zip(X.flat, Y.flat), length=len(X.flat))]).reshape(X.shape)
contours = pl.contour(X, Y, Z, 20, colors='black', levels=levels)
pl.clabel(contours, inline=True, fontsize=8)
if color is not None:
pl.imshow(Z, extent=[xmin, xmax, ymin, ymax], origin='lower', cmap=color, alpha=alpha)
pl.axis(aspect='scalar')
pl.gcf().tight_layout()
pl.xlim(xmin,xmax); pl.ylim(ymin,ymax)
def plot(self):
if self.X.shape[1] == 1:
pb.figure()
Xtest, xmin, xmax = GPy.util.plot.x_frame1D(self.X)
mu = self.predict(Xtest)
pb.plot(Xtest.flatten(), mu.flatten(), 'b')
pb.plot(self.X, self.Y, 'kx', mew=1)
elif self.X.shape[1] == 2:
pb.figure()
Xtest, xx, yy, xymin, xymax = GPy.util.plot.x_frame2D(self.X)
p = self.predict(Xtest)
c = pb.contour(xx, yy, p.reshape(*xx.shape), colors='k')
pb.clabel(c)
def Contour(X,
Y,
Z,
label='',
levels=None,
cmapidx=0,
colors=None,
fmt='%g',
lwd=1,
fsz=10,
inline=0,
wire=True,
cbar=True,
zorder=None,
markZero='',
markZeroLWD=3,
clabels=True):
"""
Plot contour
============
"""
L = None
if levels != None:
if not hasattr(levels, "__iter__"): # not a list or array...
levels = linspace(Z.min(), Z.max(), levels)
if colors == None:
c1 = contourf(X, Y, Z, cmap=Cmap(cmapidx), levels=levels, zorder=None)
else:
c1 = contourf(X, Y, Z, colors=colors, levels=levels, zorder=None)
if wire:
c2 = contour(X,
Y,
Z,
colors=('k'),
levels=levels,
linewidths=[lwd],
zorder=None)
if clabels:
clabel(c2, inline=inline, fontsize=fsz)
if cbar:
cb = colorbar(c1, format=fmt)
cb.ax.set_ylabel(label)
if markZero:
c3 = contour(X,
Y,
Z,
levels=[0],
colors=[markZero],
linewidths=[markZeroLWD])
if clabels:
clabel(c3, inline=inline, fontsize=fsz)
def my2d():
"""2D interpolation example.
References:
http://matplotlib.sourceforge.net/index.html
http://www.scipy.org/doc/api_docs/SciPy.interpolate.interpolate.interp2d.html
"""
# Scattered data points to be interpolated
# These are arbitrary numbers for this exercise
x = numpy.array([0.0, 1767.0, 1767.0, 0.0, -1767.0, -1767.0, -1767.0, 0.0, 1767.0])
y = numpy.array([0.0, 0.0, 1767.0, 1767.0, 1767.0, 0.0, -1767.0, -1767.0, -1767.0])
z = numpy.array([27, 16, 0, 12, 69, 128, 292, 332, 298])
# Print the data to screen for checking
print 'DATA USED FOR INTERPOLATION:'
for val, tuple in enumerate(zip(x,y,z)):
print val, ':', tuple[0], tuple[1], tuple[2]
# Coordinates to fill with interpolated data
xi = numpy.arange(numpy.min(x), numpy.max(x))
yi = numpy.arange(numpy.min(y), numpy.max(y))
# Perform 2D interpolation
l = interpolate.interpolate.interp2d(x, y, z)
im = l(xi, yi)
# Get min/max to use same colorbar on for base and overlay
pmin = im.min()
pmax = im.max()
# Show interpolated 2D image
p = pylab.imshow(im, vmin=pmin, vmax=pmax, cmap = cm.gist_yarg,
origin = 'lower', extent=[numpy.min(x), numpy.max(x), numpy.min(y), numpy.max(y)])
c = pylab.contour(im,origin = 'lower', extent=[numpy.min(x), numpy.max(x), numpy.min(y), numpy.max(y)])
pylab.clabel(c, inline=1, fontsize=8)
# Display colobar
# Optional shrink to make it same width as display
c = pylab.colorbar(p, orientation='horizontal', shrink=0.7)
c.set_label('Raw Counts at Dwell Points')
# Plot labels
pylab.xlabel('Dispersion Offset (mas)')
pylab.ylabel('Cross-Dispersion Offset (mas)')
pylab.title('11531 Visit 7 Target Acquisition')
#pylab.show()
pylab.savefig('2dAcq.pdf')
def plotear(xi, yi, zi):
# mask inner circle
interior = sqrt((xi ** 2) + (yi ** 2)) < 5.0
zi[interior] = ma.empty
# exterior = sqrt((xi**2) + (yi**2)) > 15.0
# zi[exterior] = ma.empty
p.figure(figsize=(16, 10))
levels = [
log(1.1e-3),
log(1.12e-3),
log(1.14e-3),
log(1.18e-3),
log(1.26e-3),
log(1.42e-3),
log(1.74e-3),
log(1.29e-3),
]
# levels = [log(3.25e-3),log(3.5e-3), log(4.0e-3), log(4.1e-3),log(4.2e-3),log(4.4e-3), log(4.6e-3)]
# levels = [8e-4, 1e-3, 1.15e-3, 1.20e-3, 1.25e-3, 1.3e-3, 1.4e-3, 1.5e-3, 2e-3, 2.5e-3, 3e-3, 3.5e-3, 4e-3, 4.5e-3, 5e-3, 6e-3, 7e-3, 8e-3, 9e-3, 1e-2]
# levels = [7e-4, 8e-4, 9e-4, 1e-3, 1.1e-3, 1.12e-3, 1.125e-3, 1.13e-3 ,1.14e-3, 1.16e-3, 1.2e-3, 1.22e-3, 1.24e-3, 1.26e-3, 1.28e-3, 1.3e-3, 1.4e-3, 1.5e-3, 2e-3, 2.5e-3, 3e-3, 3.5e-3, 4e-3, 4.5e-3, 5e-3, 6e-3, 7e-3, 8e-3, 9e-3, 1e-2]
# levels = [log(2.8125e-7),log(5.625e-7), log(1.125e-6) , log(3.25e-6), log(.75e-5), log(1.25e-4), log(2.5e-4), log(0.005), log(0.01), log(0.02), log(0.04), log(0.08), log(0.16), log(0.32), log(0.64)]
# levels = [log(.64), log(.32), log(.16), log(.08), log(.04), log(.02), log(.01), log(0.005), log(0.0025)]
# levels = np.linspace(7.e-4, 1e-2, num=15, endpoint=True)
# levels = np.logspace(-8,-1, num=20, endpoint=True, base=10)
scale = list()
counter = 0
labels = dict()
for i in levels:
scale.insert(counter, str("%1.2e" % pow(e, i)))
# scale.insert(counter,str(i))
labels[levels[counter]] = scale[counter]
counter = counter + 1
# CSF = p.contourf(xi,yi,zi, levels, cmap=cm.jet)
mp.rcParams["contour.negative_linestyle"] = "solid"
CS = p.contour(xi, yi, zi, levels, colors="black", lynestiles="solid")
print str(labels)
p.clabel(CS, levels, fmt=labels, fontsize=12, inline=1, color="black")
# p.clabel(CS)
p.xlim((-6, 6))
p.ylim((0, 6))
# p.clabel(CS,levels[1::2], fmt='%1.1e', fontsize=14, inline=1, color='black')
# p.clabel(CS,levels[1::2], fmt={log(1e-9):'1e-9', log(5e-9):'5e-9', log(1e-8):'1e-8', log(5e-8):'5e-8', log(1e-7):'1e-7', log(5e-7):'5e-7', log(1e-6):'1e-6', log(5e-6):'5e-8', log(1e-5):'1e-5', log(5e-5):'5e-5', log(1e-4):'1e-4', log(2e-4):'2e-4', log(4e-4):'4e-4', log(8e-4):'8e-4', log(1.2e-3):'1.2e-3', log(2.4e-3):'2.4e-3', log(4.8e-3):'4.8e-3'}, fontsize=9, inline=1)
p.title("iPBS relative error")
p.xlabel("z-coordinate", fontsize=14)
p.ylabel("radial coordinate", fontsize=14)
# add a vertical bar with the color values
# cbar = p.colorbar(CSF, ticks=levels, format='%e')
# cbar.ax.set_yticklabels(scale)
# cbar.ax.set_ylabel('iPBS relative error',fontsize=12)
# cbar.add_lines(CS)
return xi, yi, zi
def plot_lines(self) -> None:
x = np.arange(-1, 0.5, 0.05)
y = np.arange(-1, 0.5, 0.05)
xgrid, ygrid = np.meshgrid(x, y)
zgrid = 4 * xgrid + ygrid + 4 * np.sqrt(1 + 3 * xgrid**2 + ygrid**2)
cs = pylab.contour(xgrid, ygrid, zgrid, 15)
pylab.plot(self.pointsX, self.pointsY, 'bX--')
pylab.clabel(cs, colors="black")
pylab.xlabel("x1")
pylab.ylabel("x2")
pylab.title("Линии уровня функции" + self.func_str)
pylab.show()
def contour_hmap(dat, levels, isys='e', lst=0., dec=aa.lat, mode='log', colors='m', linestyles='-'):
d = proj_hmap(dat, mode=isys, lst=lst, dec=dec)
if mode == 'log': d = n.log10(n.abs(d))
elif mode == 'dB':
d = 10*n.log10(n.abs(d))
mx,drng = 10*mx, 10*drng
elif mode == 'real': d = d.real
lons,lats,x,y = m.makegrid(SIZE,SIZE, returnxy=True)
cs = m.contour(x,y, d, levels, linewidth=8, linestyles=linestyles, colors=colors)
p.clabel(cs, inline=1, fontsize=10, fmt='%4.2f')#, manual=manual)
#m.drawmapboundary()
#m.drawmeridians(n.arange(0,360,30))
#m.drawparallels(n.arange(0,90,10))
return cs
def plot_contour(fname="../contour_plot.png", dpi=200):
def f(x, y):
return (1 - x / 2 + x ** 5 + y ** 3) * np.exp(-x ** 2 - y ** 2)
pl.clf()
n = 256
x = np.linspace(-3, 3, n)
y = np.linspace(-3, 3, n)
mx, my = np.meshgrid(x, y)
pl.contourf(mx, my, f(mx, my), 8, alpha=0.75, cmap=pl.cm.hot)
c = pl.contour(mx, my, f(mx, my), 8, colors="black", linewidth=0.5)
pl.clabel(c, fontsize=9)
pl.savefig(fname, dpi=dpi)
def contour_xz(atoms,orb,bfs,y=0,npts=50,doshow=False,
title="Contour plot of pyquante orbital"):
bbox = atoms.bbox()
x = np.linspace(bbox[0],bbox[1],npts)
z = np.linspace(bbox[4],bbox[5],npts)
f = np.zeros((npts,npts),'d')
X,Z = np.meshgrid(x,z)
for c,bf in zip(orb,bfs):
f += c*bf(X,y,Z) # Can mesh bfs with arrays of points
cp = pl.contour(X,Z,f,colors='k') # b&w
pl.title(title)
pl.clabel(cp,inline=1,fontsize=8)
if doshow: pl.show()
return
def doOne(subplot_num, n_sources):
truth = np.zeros(X1.shape)
for i in range(n_sources):
midx1,midx2 = rng.random() * N, rng.random() * N
intensity = rng.random()
expsum =np.power((X1-midx1)*1.0/sigma,2.0) + np.power((X2-midx2)*1.0/sigma,2.0)
truth = truth + intensity * np.exp(-0.5*expsum)
noise = rng.normal(0,noise_size,X1.shape)
y = truth + noise
y = (y-np.min(y))/(np.max(y)-np.min(y)) + np.abs(rng.normal(0,0.01,X1.shape))
# Evaluate the reversed KL score, throughout the image
KLRevscore = -100000 * np.ones(X1.shape)
KLscore = -100000 * np.ones(X1.shape)
for midx1 in range(N):
for midx2 in range(N):
# make up a "model"
expsum =np.power((X1-midx1)*1.0/model_sigma,2.0) + np.power((X2-midx2)*1.0/model_sigma,2.0)
model = np.exp(-0.5*expsum)
# score the model against the "image"
KLRevscore[midx1][midx2] = np.sum(np.ravel(model*np.log(y)))/np.sum(np.ravel(model))
# rescale to range in [0,1]
KLRevscore = (KLRevscore-np.min(KLRevscore))/(np.max(KLRevscore)-np.min(KLRevscore))
# draw the ground truth (as an image),
pl.figure('ground')
pl.subplot(3,1,subplot_num)
pl.imshow(truth,interpolation='nearest',cmap=cm.gray)
pl.title('ground truth %s' % (subplot_num))
# draw the noisy image.
pl.figure('image')
pl.subplot(3,1,subplot_num)
pl.imshow(y,interpolation='nearest',cmap=cm.gray)
pl.title('image %s' % (subplot_num))
# draw the inferred source density (as contours).
pl.figure('contours')
pl.subplot(3,1,subplot_num)
pl.imshow(truth*0.0,interpolation='nearest',cmap=cm.gray)
CS = pl.contour(X2,X1,KLRevscore,5,linewidths=np.arange(5),
colors=((.2,.2,0),(.4,.4,0),(.6,.6,0),(.8,.8,0),(1,1,0)))
pl.clabel(CS, inline=1, fontsize=10)
pl.title('inferred density %s' % (subplot_num))
def plot_T2_contour(esp, model):
"""Given a model (defined according to fitting.py) will plot constant sO2 contours as a function of Hct for
a given esp (in seconds)"""
Hct_full=np.arange(0.0,0.9,0.005)
sO2_full=np.arange(0.0,1.1,0.005)
[Hct_mat,sO2_mat]=np.meshgrid(Hct_full,sO2_full)
ij=itertools.product(range(Hct_mat.shape[0]),range(Hct_mat.shape[1]))
R2_ans=np.zeros_like(Hct_mat)
xx=np.zeros(3)
for element in ij:
xx=np.array([Hct_mat[element],sO2_mat[element],esp,0.0])
R2_ans[element[0],element[1]]=model(xx)
#plt.figure()
#C = plt.contour(Hct_mat,1000/R2_ans,100*sO2_mat,np.arange(0,110,10),vmin=0,vmax=110,linewidths=1.5,linestyles='solid',cmap=matplotlib.cm.jet)
C = plt.contour(Hct_mat,1000/R2_ans,100*sO2_mat,np.r_[0:40:20,30:110:10],vmin=0,vmax=110,linewidths=1.5,linestyles='solid',cmap=matplotlib.cm.cool)
plt.clabel(C, C.levels[::2], colors='k', inline=True, fmt="%0.1f", fontsize=14)
def demo_contour():
n = 256
x = np.linspace(-3,3,n)
y = np.linspace(-3,3,n)
X,Y = np.meshgrid(x,y)
plt.axes([0.025,0.025,0.95,0.95])
plt.contourf(X, Y, f(X,Y), 8, alpha=.75, cmap=plt.cm.hot)
C = plt.contour(X, Y, f(X,Y), 8, colors='black', linewidth=.5)
plt.clabel(C, inline=1, fontsize=10)
plt.xticks([]), plt.yticks([])
# savefig('../figures/contour_ex.png',dpi=48)
plt.show()
def runanalysis():
filename = ourgui.openFile(type='npz')
data = np.load(filename, mmap_mode='r')
X = data['X']
Y = data['Y']
BX = data['BX']
BY = data['BY']
BZ = data['BZ']
pitch = data['pitch']
windnum = data['windnum']
phi = np.linspace(0, np.pi*2, 100)
pl.figure(figsize=(11.69, 8.27), dpi=100)
BXBZ = np.zeros(BZ.shape)
BYBZ = np.zeros(BZ.shape)
for i in xrange(BZ.shape[0]):
for j in xrange(BZ.shape[1]):
if abs(BZ[i, j]) > 1e-14:
BXBZ[i, j] = BX[i, j] / BZ[i, j]
BYBZ[i, j] = BY[i, j] / BZ[i, j]
pl.subplot(2, 2, 1, aspect='equal')
pl.title("Pitch = %g, wind number = %d" %(pitch, windnum))
pl.plot(np.cos(phi), np.sin(phi), linewidth=3)
CS = pl.contour(X, Y, BXBZ*100, colors='k')
pl.clabel(CS, inline=1, fontsize=10, fmt='%.1f%%')
pl.xlabel("Bx / Bz")
pl.subplot(2, 2, 2, aspect='equal')
pl.plot(np.cos(phi), np.sin(phi), linewidth=3)
CS = pl.contour(X, Y, BYBZ*100, colors='k')
pl.clabel(CS, inline=1, fontsize=10, fmt='%.1f%%')
pl.xlabel("By / Bz")
pl.subplot(2, 2, 3, aspect='equal')
pl.plot(np.cos(phi), np.sin(phi), linewidth=3)
CS = pl.contour(X, Y, BZ / BZ.max()*100, 10, colors='k')
pl.clabel(CS, inline=1, fontsize=10, fmt='%.1f%%')
pl.xlabel("Bz (normalized)")
pl.subplot(2, 2, 4, aspect='equal')
FIELD = np.sqrt(BX**2 + BY**2 + BZ**2)
pl.plot(np.cos(phi), np.sin(phi), linewidth=3)
CS = pl.contour(X, Y, FIELD, colors='k')
pl.clabel(CS, inline=1, fontsize=10)
pl.xlabel("Total field strength")
# import matplotlib.cm as cm
# im = pl.imshow(FIELD, interpolation='bilinear', origin='lower',
# cmap=cm.gray, extent=(-1,1,-1,1))
# pl.plot(np.cos(phi), np.sin(phi), linewidth=3)
# CS = pl.contour(X, Y, np.sqrt(BX**2 + BY**2 + BZ**2))
pl.show()
def plot_T1_contour(model,metHb=0.005):
"""Given a model (defined according to fitting.py) will plot constant sO2 contours as a function of Hct for
a given esp (in seconds)"""
Hct_full=np.arange(0.0,1.01,0.01)
sO2_full=np.arange(-0.1,1.1,0.01)
[Hct_mat,sO2_mat]=np.meshgrid(Hct_full,sO2_full)
ij=itertools.product(range(Hct_mat.shape[0]),range(Hct_mat.shape[1]))
R1_ans=np.zeros_like(Hct_mat)
xx=np.zeros(3)
for element in ij:
xx=[Hct_mat[element],sO2_mat[element],metHb]
R1_ans[element[0],element[1]]=model(xx)
#plt.figure()
#C = plt.contour(100*sO2_mat,1000/R1_ans,Hct_mat,np.arange(0.0,1.1,0.05),vmin=0,vmax=0.95,linewidths=1.5,cmap=matplotlib.cm.jet)
C = plt.contour(100*sO2_mat,1000/R1_ans,Hct_mat,np.r_[0:0.3:0.05,0.3:1.1:0.1],vmin=0,vmax=0.95,linewidths=1.5,cmap=matplotlib.cm.jet)
#C = plt.contour(Hct_mat,1000/R1_ans,sO2_mat,np.arange(-0.5,1.05,0.05),vmin=0,vmax=1.1,linewidths=1.5,cmap=matplotlib.cm.cool)
plt.clabel(C, C.levels[::2], colors='k', inline=True, fmt="%0.2f", fontsize=14)
def plotBoundary(self, X, Y, scoreFN, values, title=""):
# Plot the decision boundary. For that, we will asign a score to
# each point in the mesh [x_min, m_max]x[y_min, y_max].
x_min, x_max = X[:, 0].min() - 1, X[:, 0].max() + 1
y_min, y_max = X[:, 1].min() - 1, X[:, 1].max() + 1
h = max((x_max-x_min)/200., (y_max-y_min)/200.)
xx, yy = meshgrid(arange(x_min, x_max, h),
arange(y_min, y_max, h))
zz = array([scoreFn(x) for x in c_[xx.ravel(), yy.ravel()]])
zz = zz.reshape(xx.shape)
pl.figure()
CS = pl.contour(xx, yy, zz, values, colors = 'green', linestyles = 'solid', linewidths = 2)
pl.clabel(CS, fontsize=9, inline=1)
# Plot the training points
pl.scatter(X[:, 0], X[:, 1], c=(1.-Y), s=50, cmap = pl.cm.cool)
pl.title(title)
pl.axis('tight')