# -*- coding: utf-8 -*-
from matplotlib.patches import Patch, Polygon
from matplotlib.pyplot import axis, legend
from numpy import array, exp, pi
from ....Functions.init_fig import init_fig
from ....Functions.Winding.gen_phase_list import gen_name
from ....definitions import config_dict
PHASE_COLORS = config_dict["PLOT"]["COLOR_DICT"]["PHASE_COLORS"]
[docs]def plot_wind(self, wind_mat=None, fig=None, is_bar=False):
"""Plot the winding area of the lamination according to the wind_mat
Parameters
----------
self : SlotWind
A SlotWind object
wind_mat : numpy.ndarray
A matrix [Nrad,Ntan,Zs,qs] representing the winding (Default value = None)
fig :
if None, open a new fig and plot, else add to the current
one (Default value = None)
is_bar : bool
To adapt the legend text for squirrel cage bar (Default value = False)
Returns
-------
None
"""
qs_name = gen_name(self.winding.qs)
if wind_mat is None: # Default : Only one zone monocolor
Nrad, Ntan, qs = 1, 1, 1
Zs = self.Zs
else:
(Nrad, Ntan, Zs, qs) = wind_mat.shape
surf_list = self.build_geometry_wind(Nrad, Ntan)
patches = list()
for ii in range(len(surf_list)):
# Compute the coordinate for one zone
point_list = list()
for curve in surf_list[ii].get_lines():
point_list.extend(curve.discretize().tolist())
point_list = array(point_list)
for jj in range(Zs):
if wind_mat is None or len(surf_list) != Ntan * Nrad:
x, y = point_list.real, point_list.imag
patches.append(Polygon(list(zip(x, y)), color=PHASE_COLORS[0]))
else:
# print "Nrad, Ntan, Zs : "+str((ii%Nrad,ii/Nrad,jj))
color = get_color(wind_mat, ii % Nrad, ii // Nrad, jj)
x, y = point_list.real, point_list.imag
patches.append(Polygon(list(zip(x, y)), color=color))
point_list = point_list * exp(1j * (2 * pi) / self.Zs)
# Display the result
(fig, axes, patch_leg, label_leg) = init_fig(fig)
axes.set_xlabel("(m)")
axes.set_ylabel("(m)")
axes.set_title("Winding Pattern")
# Add the magnet to the fig
for patch in patches:
axes.add_patch(patch)
# Axis Setup
axis("equal")
Rbo = self.get_Rbo()
Lim = Rbo * 1.2
axes.set_xlim(-Lim, Lim)
axes.set_ylim(-Lim, Lim)
# Legend setup
if wind_mat is None or len(surf_list) != Ntan * Nrad:
# No winding matrix => Only one zone
if not is_bar and not ("Winding" in label_leg):
# Avoid adding twice the same label
patch_leg.append(Patch(color=PHASE_COLORS[0]))
label_leg.append("Winding")
elif is_bar and not ("Rotor bar" in label_leg):
# Avoid adding twice the same label
patch_leg.append(Patch(color=PHASE_COLORS[0]))
label_leg.append("Rotor bar")
else: # Add every phase to the legend
for ii in range(qs):
if not ("Phase " + qs_name[ii] in label_leg):
# Avoid adding twice the same label
index = ii % len(PHASE_COLORS)
patch_leg.append(Patch(color=PHASE_COLORS[index]))
label_leg.append("Phase " + qs_name[ii])
legend(patch_leg, label_leg)
fig.show()
[docs]def get_color(wind_mat, Nrad, Ntan, Zs):
"""Return the color (corresponding phase) for the zone (Nrad,Ntan,Zs)
Parameters
----------
wind_mat :
A matrix [Nrad,Ntan,Zs,qs] representing the winding
Nrad :
Zone radial coordinate
Ntan :
Zone tagential coordinate
Zs :
Zone slot number coordinate
Returns
-------
str
color: Color of the zone
"""
A = wind_mat[Nrad, Ntan, Zs, :]
for zz in range(len(A)):
if A[zz] != 0:
return PHASE_COLORS[zz]
return "w" # If all the phase are at 0 : the zone is empty => white
