Source code for NanoVNASaver.Charts.Polar

#  NanoVNASaver
#
#  A python program to view and export Touchstone data from a NanoVNA
#  Copyright (C) 2019, 2020 Rune B. Broberg
#  Copyright (C) 2020ff 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
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <https://www.gnu.org/licenses/>.
import logging
from PyQt6 import QtGui, QtCore

from NanoVNASaver.Charts.Chart import Chart
from NanoVNASaver.Charts.Square import SquareChart

logger = logging.getLogger(__name__)


[docs] class PolarChart(SquareChart):
[docs] def drawChart(self, qp: QtGui.QPainter): center_x = self.width() // 2 center_y = self.height() // 2 width_2 = self.dim.width // 2 height_2 = self.dim.height // 2 width_45 = round(self.dim.width * 0.35355) height_45 = round(self.dim.height * 0.35355) qp.setPen(QtGui.QPen(Chart.color.text)) qp.drawText(3, 15, self.name) qp.setPen(QtGui.QPen(Chart.color.foreground)) qp.drawEllipse(QtCore.QPoint(center_x, center_y), width_2, height_2) qp.drawEllipse( QtCore.QPoint(center_x, center_y), width_2 // 2, height_2 // 2 ) qp.drawLine(center_x - width_2, center_y, center_x + width_2, center_y) qp.drawLine( center_x, center_y - height_2, center_x, center_y + height_2 ) qp.drawLine( center_x + width_45, center_y + height_45, center_x - width_45, center_y - height_45, ) qp.drawLine( center_x + width_45, center_y - height_45, center_x - width_45, center_y + height_45, ) self.drawTitle(qp)