| 1 |
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| 2 | /* -------------------------------------------------------------------------
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| 3 | * BKG NTRIP Client
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| 4 | * -------------------------------------------------------------------------
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| 5 | *
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| 6 | * Class: t_polarPlot
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| 7 | *
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| 8 | * Purpose: Polar Plot
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| 9 | *
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| 10 | * Author: L. Mervart
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| 11 | *
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| 12 | * Created: 23-Jun-2012
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| 13 | *
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| 14 | * Changes:
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| 15 | *
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| 16 | * -----------------------------------------------------------------------*/
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| 17 |
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| 18 | #include <qpen.h>
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| 19 | #include <qwt_symbol.h>
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| 20 | #include <qwt_polar_grid.h>
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| 21 | #include <qwt_polar_canvas.h>
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| 22 |
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| 23 | #include "polarplot.h"
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| 24 | #include "graphwin.h"
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| 25 |
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| 26 | // Draw Symbols (virtual) - change symbol's color
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| 27 | ////////////////////////////////////////////////////////////////////////////
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| 28 | void t_polarCurve::drawSymbols(QPainter* painter, const QwtSymbol& symbol,
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| 29 | const QwtScaleMap& azimuthMap,
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| 30 | const QwtScaleMap& radialMap,
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| 31 | const QPointF& pole, int from, int to) const {
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| 32 | t_colorMap colorMap;
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| 33 | for (int ii = from; ii <= to; ii++) {
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| 34 | QwtSymbol ss(symbol.style());
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| 35 | ss.setSize(symbol.size());
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| 36 | const QwtPointPolar& point = sample(ii);
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| 37 | const QColor color = colorMap.color(_scaleInterval, point._value);
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| 38 | ss.setBrush(QBrush(color));
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| 39 | ss.setPen(QPen(color));
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| 40 | QwtPolarCurve::drawSymbols(painter, ss, azimuthMap, radialMap, pole, ii,ii);
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| 41 | }
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| 42 | }
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| 43 |
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| 44 | // Constructor
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| 45 | ////////////////////////////////////////////////////////////////////////////
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| 46 | t_polarPlot::t_polarPlot(const QwtText& title, const QwtInterval& scaleInterval,
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| 47 | QWidget* parent) : QwtPolarPlot(title, parent) {
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| 48 |
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| 49 | _scaleInterval = scaleInterval;
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| 50 |
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| 51 | if (false) {
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| 52 | setPlotBackground(Qt::white); // sets the background of the circle only
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| 53 | }
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| 54 | else {
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| 55 | canvas()->setAutoFillBackground(true);
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| 56 | QPalette palette = canvas()->palette();
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| 57 | palette.setColor(QPalette::Window, Qt::white);
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| 58 | canvas()->setPalette(palette);
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| 59 | }
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| 60 |
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| 61 | setAzimuthOrigin(M_PI/2.0);
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| 62 |
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| 63 | // Scales
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| 64 | // ------
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| 65 | setScale(QwtPolar::Radius, 0.0, 90.0);
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| 66 | setScale(QwtPolar::Azimuth, 360.0, 0.0, 30.0);
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| 67 |
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| 68 | // Grids, Axes
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| 69 | // -----------
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| 70 | QwtPolarGrid* grid = new QwtPolarGrid();
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| 71 | grid->setPen(QPen(Qt::black));
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| 72 | for ( int scaleId = 0; scaleId < QwtPolar::ScaleCount; scaleId++ ) {
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| 73 | grid->showGrid(scaleId);
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| 74 | }
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| 75 |
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| 76 | grid->setAxisPen(QwtPolar::AxisAzimuth, QPen(Qt::black));
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| 77 |
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| 78 | grid->showAxis(QwtPolar::AxisAzimuth, true);
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| 79 | grid->showAxis(QwtPolar::AxisTop, true);
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| 80 | grid->showAxis(QwtPolar::AxisBottom, false);
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| 81 | grid->showAxis(QwtPolar::AxisLeft, false);
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| 82 | grid->showAxis(QwtPolar::AxisRight, false);
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| 83 |
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| 84 | grid->showGrid(QwtPolar::Azimuth, true);
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| 85 | grid->showGrid(QwtPolar::Radius, true);
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| 86 |
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| 87 | grid->attach(this);
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| 88 | }
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| 89 |
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| 90 | //
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| 91 | ////////////////////////////////////////////////////////////////////////////
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| 92 | void t_polarPlot::addCurve(QVector<t_polarPoint*>* data) {
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| 93 | t_polarCurve* curve = new t_polarCurve();
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| 94 | curve->setScaleInterval(_scaleInterval);
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| 95 | curve->setStyle(QwtPolarCurve::NoCurve); // draw only symbols
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| 96 | curve->setSymbol(new QwtSymbol(QwtSymbol::Ellipse, QBrush(Qt::red),
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| 97 | QPen(Qt::red), QSize(2, 2)));
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| 98 | t_polarData* polarData = new t_polarData(data);
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| 99 | curve->setData(polarData);
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| 100 | curve->attach(this);
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| 101 | }
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