MatthiasQuintern/cpdctrl-gui
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Add log, refactor skipping

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CPD 2025-03-10 12:33:06 +01:00
parent 2a439bc65f
commit 74745ad28f
1 changed files with 18 additions and 9 deletions
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27
cpdctrl_gui/ui/widgets/plot.py
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@ -2,6 +2,10 @@ import numpy as np
import pyqtgraph as pg
from PyQt6.QtWidgets import QWidget
import logging
log = logging.getLogger(__name__)
class Plot(pg.GraphicsLayoutWidget):
"""
pyqtgraph plot widget for showing voltage and LED vs time
@ -44,12 +48,12 @@ class Plot(pg.GraphicsLayoutWidget):
# self.getAxis("right").setRange(0, 110) # Adding some margin
# self.showGrid(x=True, y=True)
self.MAX_DATA_POINTS = max_data_points
self.data_t = np.empty(self.MAX_DATA_POINTS, dtype=float)
self.data_v = np.empty(self.MAX_DATA_POINTS, dtype=float)
self.data_l = np.empty(self.MAX_DATA_POINTS, dtype=float)
self.n_data_array = 0
self.n_data_total = 0
self.n_data_skip = 0
self.data_t = None
self.data_v = None
self.data_l = None
self.n_data_array = None
self.n_data_total = None
self.n_data_take_every_nth = None
self.v_line = pg.PlotCurveItem(
[],
@ -66,6 +70,9 @@ class Plot(pg.GraphicsLayoutWidget):
)
self.l_box.addItem(self.l_line)
self.v_box.addItem(self.v_line)
self.clear_data()
self.update_views()
self.v_plot_item.getViewBox().sigResized.connect(self.update_views)
@ -90,14 +97,16 @@ class Plot(pg.GraphicsLayoutWidget):
# if the array is full, keep only every second data point
# and skip every second data point.
if self.n_data_array == self.MAX_DATA_POINTS:
log.debug(f"Reached {self.MAX_DATA_POINTS} data points, taking only 1/{self.n_data_take_every_nth+1} data points from now on")
for i in range(0, self.MAX_DATA_POINTS//2):
self.data_t[i] = self.data_t[2 * i]
self.data_v[i] = self.data_v[2 * i]
self.data_l[i] = self.data_l[2 * i]
self.n_data_array = self.MAX_DATA_POINTS//2
self.n_data_skip += 1
self.n_data_take_every_nth += 1
# skip data points to keep a constant interval
if self.n_data_skip == 0 or self.n_data_total % self.n_data_skip == 0:
if self.n_data_total % self.n_data_take_every_nth == 0:
self.data_t[self.n_data_array] = time
self.data_v[self.n_data_array] = voltage
self.data_l[self.n_data_array] = led
@ -117,6 +126,6 @@ class Plot(pg.GraphicsLayoutWidget):
self.data_l = np.empty(self.MAX_DATA_POINTS, dtype=float)
self.n_data_array = 0
self.n_data_total = 0
self.n_data_skip = 0
self.n_data_take_every_nth = 1
self.v_line.setData([], [])
self.l_line.setData([], [])