def show_array(self, ):
"""Preview Array configuration on roof using matplotlib."""
shading = self.shading
pv_panel = self.pv_panel
offset_x, offset_y = self.offset_x, self.offset_y
fig, ax = plt.subplots(figsize=(14, 10))
ax.imshow(shading.avg,
extent=(0, shading.dim_x, shading.dim_y, 0),
alpha=.7)
if self.grid is None:
grid_shape = self.grid_shape
grid = -1 * np.ones(grid_shape).T
coords = np.argwhere(grid > -2)
else:
grid = self.grid
coords = np.argwhere(grid > -2)
ax.plot(self.offset_x, self.offset_y, 'x', markersize=20, color='red')
for x, y in coords:
string = int(grid[x, y])
alpha = .5 + .5 * int(string > -1)
rect = Rectangle(
(pv_panel.dim_x * x + offset_x, pv_panel.dim_y * y + offset_y),
pv_panel.dim_x,
pv_panel.dim_y,
fill=None,
alpha=alpha)
bound = rect.get_extents()
center = np.average(bound, axis=0)
ax.add_patch(rect)
ax.text(*center,
'({},{})\nStr: {}'.format(x, y, string),
horizontalalignment='center',
verticalalignment='center',
fontsize=12,
color='black',
alpha=alpha)
return fig, ax
