Merge pull request #430 from NanoVNA-Saver/Development

Development

NanoVNASaver/Charts/Capacitance.py

@@ -34,7 +34,7 @@ logger = logging.getLogger(__name__)
 class CapacitanceChart(FrequencyChart):
     def __init__(self, name=""):
         super().__init__(name)
-        self.leftMargin = 30
+        self.leftMargin = 45
         self.dim.width = 250
         self.dim.height = 250
         self.minDisplayValue = 0
@@ -121,7 +121,7 @@ class CapacitanceChart(FrequencyChart):
         self.span = span
 
         target_ticks = math.floor(self.dim.height / 60)
-        fmt = Format(max_nr_digits=1)
+        fmt = Format(max_nr_digits=3)
         for i in range(target_ticks):
             val = minValue + (i / target_ticks) * span
             try:
@@ -258,7 +258,7 @@ class InductanceChart(FrequencyChart):
         self.span = span
 
         target_ticks = math.floor(self.dim.height / 60)
-        fmt = Format(max_nr_digits=1)
+        fmt = Format(max_nr_digits=3)
         for i in range(target_ticks):
             val = minValue + (i / target_ticks) * span
             y = self.topMargin + round((self.maxValue - val) / self.span * self.dim.height)

NanoVNASaver/Charts/Inductance.py

@@ -33,7 +33,7 @@ logger = logging.getLogger(__name__)
 class InductanceChart(FrequencyChart):
     def __init__(self, name=""):
         super().__init__(name)
-        self.leftMargin = 30
+        self.leftMargin = 45
         self.dim.width = 250
         self.dim.height = 250
         self.minDisplayValue = 0
@@ -120,7 +120,7 @@ class InductanceChart(FrequencyChart):
         self.span = span
 
         target_ticks = math.floor(self.dim.height / 60)
-        fmt = Format(max_nr_digits=1)
+        fmt = Format(max_nr_digits=3)
         for i in range(target_ticks):
             val = minValue + (i / target_ticks) * span
             y = self.topMargin + round((self.maxValue - val) / self.span * self.dim.height)

NanoVNASaver/Charts/RI.py

@@ -230,7 +230,7 @@ class RealImaginaryChart(FrequencyChart):
         # We want one horizontal tick per 50 pixels, at most
         horizontal_ticks = math.floor(self.dim.height/50)
 
-        fmt = Format(max_nr_digits=4)
+        fmt = Format(max_nr_digits=3)
         for i in range(horizontal_ticks):
             y = self.topMargin + round(i * self.dim.height / horizontal_ticks)
             qp.setPen(QtGui.QPen(Chart.color.foreground))

NanoVNASaver/Windows/TDR.py

@@ -2,7 +2,7 @@
 #
 #  A python program to view and export Touchstone data from a NanoVNA
 #  Copyright (C) 2019, 2020  Rune B. Broberg
-#  Copyright (C) 2020,2021 NanoVNA-Saver Authors
+#  Copyright (C) 2020, 2021 NanoVNA-Saver Authors
 #
 #  This program is free software: you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -62,11 +62,14 @@ class TDRWindow(QtWidgets.QWidget):
         self.tdr_velocity_dropdown.addItem("RG-8/U PE 50\N{OHM SIGN} (Belden 8237) (0.66)", 0.66)
         self.tdr_velocity_dropdown.addItem("RG-8/U Foam (Belden 8214) (0.78)", 0.78)
         self.tdr_velocity_dropdown.addItem("RG-8/U (Belden 9913) (0.84)", 0.84)
+        # Next one added by EKZ, KC3KZ, from measurement of actual cable
+        self.tdr_velocity_dropdown.addItem("RG-8/U (Shireen RFC®400 Low Loss) (0.86)", 0.86)
         self.tdr_velocity_dropdown.addItem("RG-8X (Belden 9258) (0.82)", 0.82)
-        # Added by EKZ, KC3KZ, from measurement of actual cable
+        # Next three added by EKZ, KC3KZ, from measurement of actual cable
         self.tdr_velocity_dropdown.addItem("RG-8X (Wireman \"Super 8\" CQ106) (0.81)", 0.81)
         self.tdr_velocity_dropdown.addItem("RG-8X (Wireman \"MINI-8 Lo-Loss\" CQ118) (0.82)", 0.82)
-        self.tdr_velocity_dropdown.addItem("RG-58 (Wireman \"CQ 58 Lo-Loss Flex\" CQ129FF) (0.79)", 0.79)
+        self.tdr_velocity_dropdown.addItem(
+            "RG-58 (Wireman \"CQ 58 Lo-Loss Flex\" CQ129FF) (0.79)", 0.79)
         self.tdr_velocity_dropdown.addItem(
             "RG-11/U 75\N{OHM SIGN} Foam HDPE (Belden 9292) (0.84)", 0.84)
         self.tdr_velocity_dropdown.addItem("RG-58/U 52\N{OHM SIGN} PE (Belden 9201) (0.66)", 0.66)

test/test_sitools.py

@@ -18,6 +18,7 @@
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 import unittest
 from math import inf
+from decimal import Decimal  # Needed for test_representation()
 
 # Import targets to be tested
 from NanoVNASaver.SITools import Format, Value