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figure: beacon_field bin_type: hex,square
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1 changed files with 31 additions and 18 deletions
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@ -103,7 +103,13 @@ def calculate_field(field, tx, ant_combi, ref_ant=None, calculate_phase=True):
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return np.array(xx), np.array(yy), np.array(val)
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def plot_field(tx, ants, xx, yy, val, ax=None, ref_ant=None, color_label='$\\left( t - \\tau \\right)^2$', plot_phase=None, mask=None,**scatter_kwargs):
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def plot_field(
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tx, ants, xx, yy, val,
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ref_ant=None, plot_phase=None, mask=None,
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color_label='$\\left( t - \\tau \\right)^2$',
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ax=None, bin_type='square', colorbar=True,
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**scatter_kwargs
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):
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if ax is None:
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ax = plt.gca()
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@ -117,20 +123,26 @@ def plot_field(tx, ants, xx, yy, val, ax=None, ref_ant=None, color_label='$\\lef
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pass
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elif plot_phase:
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default_scatter_kwargs['vmax'] = len(ants)*np.pi
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#default_scatter_kwargs['cmap'] = 'gray'
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pass
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scatter_kwargs = {**default_scatter_kwargs, **scatter_kwargs}
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grid_plot([tx] + ants, ax=ax)
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if ref_ant is not None:
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ax.set_title("Single reference antenna: {}, f: {}MHz".format(ref_ant.name, f_beacon/1e6))
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ax.set_title("Single baseline\n reference antenna={}, f={}MHz".format(ref_ant.name, f_beacon/1e6))
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else:
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ax.set_title("All baselines f: {} MHz".format(f_beacon/1e6))
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ax.set_title("All baselines\n f={} MHz".format(f_beacon/1e6))
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sc = ax.scatter(xx,yy,c=val, **scatter_kwargs)
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fig = ax.get_figure()
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fig.colorbar(sc, ax=ax, label=color_label)
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if bin_type == 'hex': # hexbin
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sc = ax.hexbin(xx, yy, C=val, **scatter_kwargs)
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elif bin_type == 'square': # squarebinning
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_, _, _, sc = ax.hist2d(xx, yy, weights=val, bins=int(len(xx)**0.5), **scatter_kwargs)
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else: # overlayed markers
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sc = ax.scatter(xx,yy,c=val, **scatter_kwargs)
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if colorbar:
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fig = ax.get_figure()
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fig.colorbar(sc, ax=ax, label=color_label)
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return ax
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@ -138,9 +150,6 @@ def square_grid(dx=1, N_x=10, dy=None, N_y=None, x_start=0, y_start=0):
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N_y = N_x if N_y is None else N_y
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dy = dx if dy is None else dy
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print([(N_x,N_y), (dx,dy), (x_start,y_start)])
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return product(
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(x_start + n*dx for n in range(N_x)),
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(y_start + n*dy for n in range(N_y)),
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@ -183,8 +192,8 @@ if __name__ == "__main__":
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if 'single' in args.type: # single baseline
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### Field
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x_low, x_high, N_x = -300, 300, 81
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y_low, y_high, N_y = -300, 300, 81
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x_low, x_high, N_x = -300, 300, 151
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y_low, y_high, N_y = -300, 300, 151
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### Geometry
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ants = [
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@ -199,7 +208,7 @@ if __name__ == "__main__":
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elif args.type == 'square' or args.type == 'tri': # from grid definition
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### Field
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x_low, x_high, N_x = -1800, 1800, 161
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x_low, x_high, N_x = -1800, 1800, 261
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y_low, y_high, N_y = -x_low, -x_high, N_x
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### Geometry
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@ -244,20 +253,24 @@ if __name__ == "__main__":
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xx, yy, val = calculate_field((xs, ys), tx, ant_combi, calculate_phase=plot_phase)
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mask = None
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if False and plot_phase:
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mask = abs(val) > np.pi
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kwargs = {}
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mask = None
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if plot_phase:
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color_label='$\\sqrt{ \\sum \\left(\\varphi(x) - \\Delta \\varphi\\right)^2}$'
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mask = abs(val) > np.pi
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else:
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color_label='$\\sqrt{ \\sum \\left(t(x) - \\Delta t\\right)^2}$ [ns]'
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val *= 1e9
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kwargs['vmax'] = 100
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if not True:
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mask = abs(val) > 1.1*kwargs['vmax']
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ax = plot_field(tx, ants, xx, yy, val, ax=None, ref_ant=ref_ant, mask=mask, color_label=color_label, **kwargs)
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if mask is not None:
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ax = plot_field([], [], xx, yy, val, cmap='Greys', colorbar=False)
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ax = plot_field(tx, ants, xx, yy, val, ref_ant=ref_ant, mask=mask, color_label=color_label, **kwargs)
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# if plot_phase:
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# N_lowest = np.min(len(ant_combi)-1, 10)
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