kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
298 wiersze
12 KiB
Python
298 wiersze
12 KiB
Python
# NanoVNASaver
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#
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# A python program to view and export Touchstone data from a NanoVNA
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# Copyright (C) 2019, 2020 Rune B. Broberg
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# Copyright (C) 2020 NanoVNA-Saver Authors
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import math
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import logging
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from decimal import InvalidOperation
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from typing import List
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from PyQt5 import QtWidgets, QtGui
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from NanoVNASaver.RFTools import Datapoint
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from NanoVNASaver.SITools import Format, Value
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from NanoVNASaver.Charts.Chart import Chart
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from NanoVNASaver.Charts.Frequency import FrequencyChart
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logger = logging.getLogger(__name__)
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class CapacitanceChart(FrequencyChart):
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def __init__(self, name=""):
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super().__init__(name)
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self.leftMargin = 45
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self.dim.width = 250
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self.dim.height = 250
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self.minDisplayValue = 0
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self.maxDisplayValue = 100
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self.minValue = -1
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self.maxValue = 1
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self.span = 1
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self.setMinimumSize(self.dim.width + self.rightMargin + self.leftMargin,
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self.dim.height + self.topMargin + self.bottomMargin)
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self.setSizePolicy(QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding,
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QtWidgets.QSizePolicy.MinimumExpanding))
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pal = QtGui.QPalette()
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pal.setColor(QtGui.QPalette.Background, Chart.color.background)
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self.setPalette(pal)
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self.setAutoFillBackground(True)
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def drawChart(self, qp: QtGui.QPainter):
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qp.setPen(QtGui.QPen(Chart.color.text))
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qp.drawText(3, 15, self.name + " (F)")
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qp.setPen(QtGui.QPen(Chart.color.foreground))
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qp.drawLine(self.leftMargin, 20, self.leftMargin, self.topMargin+self.dim.height+5)
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qp.drawLine(self.leftMargin-5, self.topMargin+self.dim.height,
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self.leftMargin+self.dim.width, self.topMargin + self.dim.height)
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self.drawTitle(qp)
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def drawValues(self, qp: QtGui.QPainter):
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if len(self.data) == 0 and len(self.reference) == 0:
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return
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pen = QtGui.QPen(Chart.color.sweep)
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pen.setWidth(self.dim.point)
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line_pen = QtGui.QPen(Chart.color.sweep)
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line_pen.setWidth(self.dim.line)
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highlighter = QtGui.QPen(QtGui.QColor(20, 0, 255))
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highlighter.setWidth(1)
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if not self.fixedSpan:
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if len(self.data) > 0:
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fstart = self.data[0].freq
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fstop = self.data[len(self.data)-1].freq
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else:
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fstart = self.reference[0].freq
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fstop = self.reference[len(self.reference) - 1].freq
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self.fstart = fstart
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self.fstop = fstop
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else:
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fstart = self.fstart = self.minFrequency
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fstop = self.fstop = self.maxFrequency
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# Draw bands if required
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if self.bands.enabled:
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self.drawBands(qp, fstart, fstop)
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if self.fixedValues:
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maxValue = self.maxDisplayValue / 10e11
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minValue = self.minDisplayValue / 10e11
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self.maxValue = maxValue
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self.minValue = minValue
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else:
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# Find scaling
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minValue = 1
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maxValue = -1
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for d in self.data:
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val = d.capacitiveEquivalent()
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if val > maxValue:
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maxValue = val
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if val < minValue:
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minValue = val
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for d in self.reference: # Also check min/max for the reference sweep
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if d.freq < self.fstart or d.freq > self.fstop:
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continue
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val = d.capacitiveEquivalent()
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if val > maxValue:
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maxValue = val
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if val < minValue:
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minValue = val
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self.maxValue = maxValue
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self.minValue = minValue
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span = maxValue - minValue
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if span == 0:
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logger.info("Span is zero for CapacitanceChart, setting to a small value.")
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span = 1e-15
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self.span = span
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target_ticks = math.floor(self.dim.height / 60)
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fmt = Format(max_nr_digits=3)
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for i in range(target_ticks):
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val = minValue + (i / target_ticks) * span
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try:
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y = self.topMargin + round((self.maxValue - val) / self.span * self.dim.height)
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qp.setPen(Chart.color.text)
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if val != minValue:
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valstr = str(Value(val, fmt=fmt))
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qp.drawText(3, y + 3, valstr)
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except (ValueError, InvalidOperation) as exc:
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logger.debug("Drawing wrent wrong: %s", exc)
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y = self.topMargin
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qp.setPen(QtGui.QPen(Chart.color.foreground))
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qp.drawLine(self.leftMargin - 5, y, self.leftMargin + self.dim.width, y)
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qp.setPen(QtGui.QPen(Chart.color.foreground))
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qp.drawLine(self.leftMargin - 5, self.topMargin,
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self.leftMargin + self.dim.width, self.topMargin)
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qp.setPen(Chart.color.text)
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qp.drawText(3, self.topMargin + 4, str(Value(maxValue, fmt=fmt)))
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qp.drawText(3, self.dim.height+self.topMargin, str(Value(minValue, fmt=fmt)))
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self.drawFrequencyTicks(qp)
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self.drawData(qp, self.data, Chart.color.sweep)
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self.drawData(qp, self.reference, Chart.color.reference)
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self.drawMarkers(qp)
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def getYPosition(self, d: Datapoint) -> int:
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try:
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return (
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self.topMargin +
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round((self.maxValue - d.capacitiveEquivalent()) /
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self.span * self.dim.height))
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except ValueError:
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return self.topMargin
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def valueAtPosition(self, y) -> List[float]:
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absy = y - self.topMargin
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val = -1 * ((absy / self.dim.height * self.span) - self.maxValue)
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return [val * 10e11]
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def copy(self):
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new_chart: CapacitanceChart = super().copy()
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new_chart.span = self.span
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return new_chart
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class InductanceChart(FrequencyChart):
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def __init__(self, name=""):
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super().__init__(name)
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self.leftMargin = 30
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self.dim.width = 250
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self.dim.height = 250
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self.minDisplayValue = 0
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self.maxDisplayValue = 100
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self.minValue = -1
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self.maxValue = 1
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self.span = 1
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self.setMinimumSize(self.dim.width + self.rightMargin + self.leftMargin,
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self.dim.height + self.topMargin + self.bottomMargin)
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self.setSizePolicy(QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding,
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QtWidgets.QSizePolicy.MinimumExpanding))
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pal = QtGui.QPalette()
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pal.setColor(QtGui.QPalette.Background, Chart.color.background)
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self.setPalette(pal)
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self.setAutoFillBackground(True)
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def drawChart(self, qp: QtGui.QPainter):
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qp.setPen(QtGui.QPen(Chart.color.text))
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qp.drawText(3, 15, self.name + " (H)")
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qp.setPen(QtGui.QPen(Chart.color.foreground))
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qp.drawLine(self.leftMargin, 20, self.leftMargin, self.topMargin+self.dim.height+5)
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qp.drawLine(self.leftMargin-5, self.topMargin+self.dim.height,
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self.leftMargin+self.dim.width, self.topMargin + self.dim.height)
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self.drawTitle(qp)
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def drawValues(self, qp: QtGui.QPainter):
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if len(self.data) == 0 and len(self.reference) == 0:
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return
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pen = QtGui.QPen(Chart.color.sweep)
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pen.setWidth(self.dim.point)
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line_pen = QtGui.QPen(Chart.color.sweep)
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line_pen.setWidth(self.dim.line)
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highlighter = QtGui.QPen(QtGui.QColor(20, 0, 255))
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highlighter.setWidth(1)
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if not self.fixedSpan:
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if len(self.data) > 0:
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fstart = self.data[0].freq
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fstop = self.data[len(self.data)-1].freq
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else:
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fstart = self.reference[0].freq
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fstop = self.reference[len(self.reference) - 1].freq
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self.fstart = fstart
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self.fstop = fstop
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else:
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fstart = self.fstart = self.minFrequency
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fstop = self.fstop = self.maxFrequency
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# Draw bands if required
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if self.bands.enabled:
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self.drawBands(qp, fstart, fstop)
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if self.fixedValues:
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maxValue = self.maxDisplayValue / 10e11
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minValue = self.minDisplayValue / 10e11
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self.maxValue = maxValue
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self.minValue = minValue
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else:
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# Find scaling
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minValue = 1
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maxValue = -1
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for d in self.data:
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val = d.inductiveEquivalent()
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if val > maxValue:
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maxValue = val
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if val < minValue:
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minValue = val
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for d in self.reference: # Also check min/max for the reference sweep
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if d.freq < self.fstart or d.freq > self.fstop:
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continue
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val = d.inductiveEquivalent()
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if val > maxValue:
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maxValue = val
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if val < minValue:
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minValue = val
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self.maxValue = maxValue
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self.minValue = minValue
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span = maxValue - minValue
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if span == 0:
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logger.info("Span is zero for CapacitanceChart, setting to a small value.")
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span = 1e-15
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self.span = span
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target_ticks = math.floor(self.dim.height / 60)
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fmt = Format(max_nr_digits=3)
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for i in range(target_ticks):
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val = minValue + (i / target_ticks) * span
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y = self.topMargin + round((self.maxValue - val) / self.span * self.dim.height)
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qp.setPen(Chart.color.text)
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if val != minValue:
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valstr = str(Value(val, fmt=fmt))
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qp.drawText(3, y + 3, valstr)
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qp.setPen(QtGui.QPen(Chart.color.foreground))
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qp.drawLine(self.leftMargin - 5, y, self.leftMargin + self.dim.width, y)
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qp.setPen(QtGui.QPen(Chart.color.foreground))
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qp.drawLine(self.leftMargin - 5, self.topMargin,
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self.leftMargin + self.dim.width, self.topMargin)
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qp.setPen(Chart.color.text)
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qp.drawText(3, self.topMargin + 4, str(Value(maxValue, fmt=fmt)))
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qp.drawText(3, self.dim.height+self.topMargin, str(Value(minValue, fmt=fmt)))
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self.drawFrequencyTicks(qp)
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self.drawData(qp, self.data, Chart.color.sweep)
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self.drawData(qp, self.reference, Chart.color.reference)
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self.drawMarkers(qp)
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def getYPosition(self, d: Datapoint) -> int:
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return (self.topMargin +
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round((self.maxValue - d.inductiveEquivalent()) /
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self.span * self.dim.height))
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def valueAtPosition(self, y) -> List[float]:
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absy = y - self.topMargin
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val = -1 * ((absy / self.dim.height * self.span) - self.maxValue)
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return [val * 10e11]
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def copy(self):
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new_chart: InductanceChart = super().copy()
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new_chart.span = self.span
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return new_chart
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