diff options
-rw-r--r-- | simple_spectrum_analyser_scope.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/simple_spectrum_analyser_scope.py b/simple_spectrum_analyser_scope.py index 5f568ac..d257333 100644 --- a/simple_spectrum_analyser_scope.py +++ b/simple_spectrum_analyser_scope.py @@ -31,6 +31,7 @@ import zmq import matplotlib
import matplotlib.pyplot as plt
import matplotlib.backends.backend_agg as agg
+from matplotlib.ticker import FormatStrFormatter
# In order to integrate Matplotlib with Pygame, we need to use a
# non-interactive backend, otherwise Matplotlib will present us with a GUI
@@ -47,7 +48,7 @@ def plot_spectrum(x_1, x_2, data_1, data_2, i, i_last, ax, canvas): x_lim, y_lim = ax.get_xlim(), ax.get_ylim()
ax.clear()
ax.set_xlim(x_lim), ax.set_ylim(y_lim)
- ax.xaxis.set_major_formatter('{x:.3f}')
+ ax.xaxis.set_major_formatter(FormatStrFormatter('%.3f'))
ax.set_xlabel('MHz')
if in_dB is True:
ax.set_ylabel('Relative power (dB)')
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