From d324b28f81a3591ce4ac30d6c889695cf78d10ed Mon Sep 17 00:00:00 2001 From: Eric Teunis de Boone Date: Thu, 6 Oct 2022 12:36:56 +0200 Subject: [PATCH] figure beacon_field: single/three baseline at 1.5km --- figures/beacon/src/beacon_field.py | 79 ++++++++++++++++++++---------- 1 file changed, 52 insertions(+), 27 deletions(-) diff --git a/figures/beacon/src/beacon_field.py b/figures/beacon/src/beacon_field.py index 79ce15e..9b9c46f 100755 --- a/figures/beacon/src/beacon_field.py +++ b/figures/beacon/src/beacon_field.py @@ -49,18 +49,21 @@ def phase(a,b,f=f_beacon,wrap=False): return phase -def grid_plot(grid, text_dx=(0,0), ax=None, plot_kwargs={}, annot_kwargs={}): +def grid_plot(grid, text_dx=(0,0), ax=None, plot_kwargs={}, annot_kwargs={}, scaler=None): if ax is None: ax = plt.gca() + if scaler is None: + scaler = 1 + if not grid: return default_plot_kwargs=dict(color='k', marker='x', markersize=10, linestyle='None') plot_kwargs = {**default_plot_kwargs, **plot_kwargs} - x = [a.x for a in grid] - y = [a.y for a in grid] + x = [a.x/scaler for a in grid] + y = [a.y/scaler for a in grid] l = [a.name for a in grid] ax.plot(x, y, **plot_kwargs) @@ -116,13 +119,29 @@ def plot_field( ref_ant=None, plot_phase=None, mask=None, color_label='$\\left( t - \\tau \\right)^2$', ax=None, bin_type='square', colorbar=True, - grid_kwargs={}, + grid_kwargs={}, scaler=None, **scatter_kwargs ): + if ax is None: ax = plt.gca() - ax.set_xlabel('x') - ax.set_ylabel('y') + ax.set_xlabel('x [m]') + ax.set_ylabel('y [m]') + + max_xx, max_yy = max(xx), max(yy) + + if max_xx > 1e3 or max_yy > 1e3: + ax.set_xlabel('x [km]') + ax.set_ylabel('y [km]') + scaler = 1e3 + + dxx = xx[-1] - xx[0] + dyy = yy[-1] - yy[0] + if scaler is None: + scaler = 1 + else: + xx = np.array(xx)/scaler + yy = np.array(yy)/scaler default_scatter_kwargs = {} default_scatter_kwargs['cmap'] = 'Spectral_r' @@ -133,7 +152,8 @@ def plot_field( if plot_phase is None: pass elif plot_phase: - default_scatter_kwargs['vmax'] = len(ants)*np.pi + val_min = min(val) + default_scatter_kwargs['vmax'] = len(ants)*np.pi + val_min pass scatter_kwargs = {**default_scatter_kwargs, **scatter_kwargs} @@ -152,18 +172,18 @@ def plot_field( grid_text_kwargs = {**grid_text_kwargs, **grid_kwargs['text_kwargs']} if tx: - grid_plot([tx], text_dx=(20, 0), ax=ax, plot_kwargs=grid_plot_kwargs, annot_kwargs=grid_text_kwargs) + grid_plot([tx], text_dx=(dxx *0/scaler, 0), ax=ax, plot_kwargs=grid_plot_kwargs, annot_kwargs=grid_text_kwargs, scaler=scaler) if len(ants) > 3: grid_text_kwargs = None - grid_plot(ants, text_dx=(20, 0), ax=ax, plot_kwargs=grid_plot_kwargs, annot_kwargs=grid_text_kwargs) + grid_plot(ants, text_dx=(dxx*0/scaler, 0), ax=ax, plot_kwargs=grid_plot_kwargs, annot_kwargs=grid_text_kwargs, scaler=scaler) title = '' if len(ants) == 1: - title += "Single Antenna\n" + title += "Single Antenna" elif len(ants) == 2: - title += "Single Baseline\n" + title += "Single Baseline" else: if len(ants) == 3: title += "Three Baseline" @@ -176,9 +196,10 @@ def plot_field( if ref_ant is not None: title += " with Reference antenna={}".format(ref_ant.name) + if plot_phase: title += "\n" - title += "f=${}$MHz".format(f_beacon/1e6) + title += "f=${}$MHz".format(f_beacon/1e6) ax.set_title(title) @@ -214,6 +235,9 @@ def triangular_grid(dx=1, N_x=10, dy=None, N_y=None, x_start=0, y_start=0): if __name__ == "__main__": + km = 1e3#m + + from argparse import ArgumentParser import os.path as path @@ -231,33 +255,33 @@ if __name__ == "__main__": args = parser.parse_args() - if args.fname is not None and path.isdir(args.fname): - args.fname = path.join(args.fname, path.splitext(path.basename(__file__))[0]) # leave off extension - - if not path.splitext(args.fname)[1]: - args.fname = [ args.fname+ext for ext in ['.pdf', '.png'] ] + if args.fname is not None: + if path.isdir(args.fname): + args.fname = path.join(args.fname, path.splitext(path.basename(__file__))[0]) # leave off extension + if not path.splitext(args.fname)[1]: + args.fname = [ args.fname+ext for ext in ['.pdf', '.png'] ] args.plot_phase = args.phase or args.time del args.time, args.phase if 'single' in args.type or 'three' in args.type: # single baseline ### Field - x_low, x_high, N_x = -300, 300, 151 - y_low, y_high, N_y = -300, 300, 151 + x_low, x_high, N_x = -5*km, 5*km, 151 + y_low, y_high, N_y = -5*km, 5*km, 151 ### Geometry ants = [ - Antenna(x=-50,y=0,z=0,name="a"), - Antenna(x=50,y=0,z=0,name="b"), + Antenna(x=-.75*km,y=0,z=0,name="a"), + Antenna(x=.75*km, y=0,z=0,name="b"), ] if 'three' in args.type: - ants.append(Antenna(x=0, y=-50,z=0, name='c')) + ants.append(Antenna(x=0, y=-.75*km*np.sqrt(2),z=0, name='c')) if 'center' in args.type: - tx = Antenna(x=-000,y=200,z=0,name="tx") + tx = Antenna(x=-000,y=4*km,z=0,name="tx") else: - tx = Antenna(x=-200,y=200,z=0,name="tx") + tx = Antenna(x=-4*km,y=4*km,z=0,name="tx") elif args.type == 'square' or args.type == 'tri': # from grid definition ### Field @@ -294,8 +318,8 @@ if __name__ == "__main__": if args.zoom != 'none': # tx zoom if args.zoom == 'tx': - x_low, x_high, N_x = tx.x - 40, tx.x + 40, 81 - y_low, y_high, N_y = -x_low, x_high, N_x + x_low, x_high, N_x = tx.x - 250, tx.x + 250, 151 + y_low, y_high, N_y = x_low, x_high, N_x else: raise NotImplementedError# args.zoom @@ -321,7 +345,8 @@ if __name__ == "__main__": mask = None if plot_phase: color_label='$\\sqrt{ \\sum_{(i,j)} \\left(\\Delta\\varphi_{ij}(x) - \\Delta \\varphi_{ij}\\right)^2}$' - mask = abs(val) > np.pi + min_val = min(val) + mask = abs(val) > np.pi + min_val else: color_label='$\\sqrt{ \\sum_{(i,j)} \\left(\Delta t_{ij}(x) - \\Delta t_{ij}\\right)^2}$ [ns]' val *= 1e9