# Add path
import sys
sys.path.append('../../')

from simpegPF.MagAnalytics import MagSphereAnalFunA, IDTtoxyz
from SimPEG import *
import matplotlib.pyplot as plt
from mpl_toolkits.axes_grid1 import make_axes_locatable

xr = np.linspace(-300, 300, 41)
yr = np.linspace(-300, 300, 41)
X, Y = np.meshgrid(xr, yr)
Z = np.ones((np.size(xr), np.size(yr)))*150


# Bz component at Korea
inckr = -8. + 3/60
deckr = 54. + 9/60
btotkr = 50898.6
Bokr = IDTtoxyz(inckr, deckr, btotkr)

bx,by,bz = MagSphereAnalFunA(X, Y, Z,100.,0.,0.,0.,0.01,Bokr,'secondary')
Bzkr = np.reshape(bz, (np.size(xr), np.size(yr)), order='F')

# Bz component at Canada
incca = 16. + 49/60
decca = 70. + 19/60
btotca = 54692.1
Boca = IDTtoxyz(incca, decca, btotca)

bx,by,bz = MagSphereAnalFunA(X, Y, Z,100.,0.,0.,0.,0.01,Boca,'secondary')
Bzca = np.reshape(bz, (np.size(xr), np.size(yr)), order='F')

fig = plt.figure( figsize = (14,5) )

ax1 = plt.subplot(121)
dat1 = plt.imshow(Bzkr, extent=[min(xr), max(xr), min(yr), max(yr)]);
divider = make_axes_locatable(ax1)
cax1 = divider.append_axes("right", size="5%", pad=0.05)
ax1.set_xlabel('East-West (m)'); ax1.set_ylabel('South-North (m)')
plt.colorbar(dat1, cax=cax1)
ax1.set_title('$B_z$ field at Seoul, South Korea')

ax2 = plt.subplot(122)
dat2 = plt.imshow(Bzca, extent=[min(xr), max(xr), min(yr), max(yr)]);
divider = make_axes_locatable(ax2)
cax2 = divider.append_axes("right", size="5%", pad=0.05)
ax2.set_xlabel('East-West (m)'); ax2.set_ylabel('South-North (m)')
plt.colorbar(dat2, cax=cax2)
ax2.set_title('$B_z$ field at Vancouver, Canada')
plt.show()