1117 lines
40 KiB
C++
1117 lines
40 KiB
C++
#include "tracexyplot.h"
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#include "trace.h"
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#include "CustomWidgets/informationbox.h"
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#include "Marker/marker.h"
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#include "xyplotaxisdialog.h"
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#include "Util/util.h"
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#include "unit.h"
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#include "preferences.h"
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#include <QGridLayout>
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#include <cmath>
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#include <QFrame>
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#include <QPainter>
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#include <QDebug>
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#include <QFileDialog>
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using namespace std;
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const set<TraceXYPlot::YAxisType> TraceXYPlot::YAxisTypes = {TraceXYPlot::YAxisType::Disabled,
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TraceXYPlot::YAxisType::Magnitude,
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TraceXYPlot::YAxisType::Phase,
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TraceXYPlot::YAxisType::VSWR,
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TraceXYPlot::YAxisType::Real,
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TraceXYPlot::YAxisType::Imaginary,
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TraceXYPlot::YAxisType::SeriesR,
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TraceXYPlot::YAxisType::Reactance,
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TraceXYPlot::YAxisType::Capacitance,
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TraceXYPlot::YAxisType::Inductance,
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TraceXYPlot::YAxisType::QualityFactor,
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TraceXYPlot::YAxisType::ImpulseReal,
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TraceXYPlot::YAxisType::ImpulseMag,
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TraceXYPlot::YAxisType::Step,
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TraceXYPlot::YAxisType::Impedance};
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TraceXYPlot::TraceXYPlot(TraceModel &model, QWidget *parent)
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: TracePlot(model, parent)
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{
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YAxis[0].log = false;
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YAxis[0].type = YAxisType::Disabled;
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YAxis[0].rangeDiv = 1;
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YAxis[0].rangeMax = 10;
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YAxis[0].rangeMin = 0;
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YAxis[0].autorange = false;
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YAxis[1].log = false;
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YAxis[1].type = YAxisType::Disabled;
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YAxis[1].rangeDiv = 1;
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YAxis[1].rangeMax = 10;
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YAxis[1].rangeMin = 0;
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YAxis[1].autorange = false;
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XAxis.type = XAxisType::Frequency;
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XAxis.log = false;
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XAxis.rangeDiv = 1;
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XAxis.rangeMax = 10;
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XAxis.rangeMin = 0;
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XAxis.mode = XAxisMode::UseSpan;
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// Setup default axis
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setYAxis(0, YAxisType::Magnitude, false, false, -120, 20, 10);
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setYAxis(1, YAxisType::Phase, false, false, -180, 180, 30);
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// enable autoscaling and set for full span (no information about actual span available yet)
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updateSpan(0, 6000000000);
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setXAxis(XAxisType::Frequency, XAxisMode::UseSpan, 0, 6000000000, 600000000);
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initializeTraceInfo();
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}
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void TraceXYPlot::setYAxis(int axis, TraceXYPlot::YAxisType type, bool log, bool autorange, double min, double max, double div)
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{
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if(YAxis[axis].type != type) {
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// remove traces that are active but not supported with the new axis type
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bool erased = false;
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do {
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erased = false;
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for(auto t : tracesAxis[axis]) {
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if(!supported(t, type)) {
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enableTraceAxis(t, axis, false);
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erased = true;
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break;
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}
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}
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} while(erased);
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YAxis[axis].type = type;
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}
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YAxis[axis].log = log;
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YAxis[axis].autorange = autorange;
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YAxis[axis].rangeMin = min;
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YAxis[axis].rangeMax = max;
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YAxis[axis].rangeDiv = div;
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traceRemovalPending = true;
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updateAxisTicks();
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updateContextMenu();
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replot();
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}
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void TraceXYPlot::setXAxis(XAxisType type, XAxisMode mode, double min, double max, double div)
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{
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XAxis.type = type;
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XAxis.mode = mode;
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XAxis.rangeMin = min;
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XAxis.rangeMax = max;
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XAxis.rangeDiv = div;
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traceRemovalPending = true;
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updateAxisTicks();
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updateContextMenu();
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replot();
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}
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void TraceXYPlot::enableTrace(Trace *t, bool enabled)
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{
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for(int axis = 0;axis < 2;axis++) {
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enableTraceAxis(t, axis, enabled && supported(t, YAxis[axis].type));
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}
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}
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void TraceXYPlot::updateSpan(double min, double max)
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{
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TracePlot::updateSpan(min, max);
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updateAxisTicks();
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}
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void TraceXYPlot::replot()
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{
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if(XAxis.mode != XAxisMode::Manual || YAxis[0].autorange || YAxis[1].autorange) {
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updateAxisTicks();
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}
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TracePlot::replot();
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}
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nlohmann::json TraceXYPlot::toJSON()
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{
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nlohmann::json j;
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nlohmann::json jX;
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jX["type"] = AxisTypeToName(XAxis.type).toStdString();
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jX["mode"] = AxisModeToName(XAxis.mode).toStdString();
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jX["log"] = XAxis.log;
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jX["min"] = XAxis.rangeMin;
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jX["max"] = XAxis.rangeMax;
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jX["div"] = XAxis.rangeDiv;
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j["XAxis"] = jX;
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for(unsigned int i=0;i<2;i++) {
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nlohmann::json jY;
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jY["type"] = AxisTypeToName(YAxis[i].type).toStdString();
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jY["log"] = YAxis[i].log;
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jY["autorange"] = YAxis[i].autorange;
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jY["min"] = YAxis[i].rangeMin;
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jY["max"] = YAxis[i].rangeMax;
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jY["div"] = YAxis[i].rangeDiv;
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nlohmann::json jtraces;
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for(auto t : tracesAxis[i]) {
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jtraces.push_back(t->toHash());
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}
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jY["traces"] = jtraces;
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if(i==0) {
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j["YPrimary"] = jY;
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} else {
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j["YSecondary"] = jY;
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}
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}
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return j;
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}
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void TraceXYPlot::fromJSON(nlohmann::json j)
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{
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auto jX = j["XAxis"];
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// old format used enum value for type and mode, new format uses string encoding (more robust when additional enum values are added).
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// Check which format is used and parse accordingly
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XAxisType xtype;
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if(jX["type"].type() == nlohmann::json::value_t::string) {
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xtype = XAxisTypeFromName(QString::fromStdString(jX["type"]));
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} else {
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xtype = jX.value("type", XAxisType::Frequency);
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}
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XAxisMode xmode;
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if(jX["mode"].type() == nlohmann::json::value_t::string) {
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xmode = AxisModeFromName(QString::fromStdString(jX["mode"]));
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} else {
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xmode = jX.value("mode", XAxisMode::UseSpan);
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}
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// auto xlog = jX.value("log", false);
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auto xmin = jX.value("min", 0.0);
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auto xmax = jX.value("max", 6000000000.0);
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auto xdiv = jX.value("div", 600000000.0);
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setXAxis(xtype, xmode, xmin, xmax, xdiv);
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nlohmann::json jY[2] = {j["YPrimary"], j["YSecondary"]};
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for(unsigned int i=0;i<2;i++) {
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YAxisType ytype;
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if(jY[i]["type"].type() == nlohmann::json::value_t::string) {
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ytype = YAxisTypeFromName(QString::fromStdString(jY[i]["type"]));
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} else {
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ytype = jY[i].value("type", YAxisType::Disabled);
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}
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auto yauto = jY[i].value("autorange", true);
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auto ylog = jY[i].value("log", false);
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auto ymin = jY[i].value("min", -120.0);
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auto ymax = jY[i].value("max", 20.0);
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auto ydiv = jY[i].value("div", 10.0);
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setYAxis(i, ytype, ylog, yauto, ymin, ymax, ydiv);
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for(unsigned int hash : jY[i]["traces"]) {
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// attempt to find the traces with this hash
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bool found = false;
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for(auto t : model.getTraces()) {
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if(t->toHash() == hash) {
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enableTraceAxis(t, i, true);
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found = true;
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break;
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}
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}
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if(!found) {
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qWarning() << "Unable to find trace with hash" << hash;
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}
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}
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}
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}
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bool TraceXYPlot::isTDRtype(TraceXYPlot::YAxisType type)
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{
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switch(type) {
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case YAxisType::ImpulseReal:
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case YAxisType::ImpulseMag:
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case YAxisType::Step:
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case YAxisType::Impedance:
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return true;
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default:
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return false;
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}
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}
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void TraceXYPlot::axisSetupDialog()
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{
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auto setup = new XYplotAxisDialog(this);
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setup->show();
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}
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bool TraceXYPlot::configureForTrace(Trace *t)
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{
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switch(t->outputType()) {
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case Trace::DataType::Frequency:
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setXAxis(XAxisType::Frequency, XAxisMode::FitTraces, 0, 1, 0.1);
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setYAxis(0, YAxisType::Magnitude, false, true, 0, 1, 1.0);
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setYAxis(1, YAxisType::Phase, false, true, 0, 1, 1.0);
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break;
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case Trace::DataType::Time:
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setXAxis(XAxisType::Time, XAxisMode::FitTraces, 0, 1, 0.1);
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setYAxis(0, YAxisType::ImpulseMag, false, true, 0, 1, 1.0);
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setYAxis(1, YAxisType::Disabled, false, true, 0, 1, 1.0);
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break;
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case Trace::DataType::Power:
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setXAxis(XAxisType::Power, XAxisMode::FitTraces, 0, 1, 0.1);
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setYAxis(0, YAxisType::Magnitude, false, true, 0, 1, 1.0);
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setYAxis(1, YAxisType::Phase, false, true, 0, 1, 1.0);
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break;
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case Trace::DataType::Invalid:
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// unable to add
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return false;
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}
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traceRemovalPending = true;
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return true;
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}
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void TraceXYPlot::updateContextMenu()
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{
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contextmenu->clear();
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auto setup = new QAction("Axis setup...", contextmenu);
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connect(setup, &QAction::triggered, this, &TraceXYPlot::axisSetupDialog);
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contextmenu->addAction(setup);
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contextmenu->addSeparator();
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auto image = new QAction("Save image...", contextmenu);
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contextmenu->addAction(image);
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connect(image, &QAction::triggered, [=]() {
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auto filename = QFileDialog::getSaveFileName(nullptr, "Save plot image", "", "PNG image files (*.png)", nullptr, QFileDialog::DontUseNativeDialog);
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if(filename.isEmpty()) {
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// aborted selection
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return;
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}
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if(filename.endsWith(".png")) {
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filename.chop(4);
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}
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filename += ".png";
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grab().save(filename);
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});
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auto createMarker = contextmenu->addAction("Add marker here");
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bool activeTraces = false;
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for(auto t : traces) {
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if(t.second) {
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activeTraces = true;
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break;
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}
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}
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if(!activeTraces) {
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createMarker->setEnabled(false);
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}
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connect(createMarker, &QAction::triggered, [=](){
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createMarkerAtPosition(contextmenuClickpoint);
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});
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for(int axis = 0;axis < 2;axis++) {
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if(YAxis[axis].type == YAxisType::Disabled) {
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continue;
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}
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if(axis == 0) {
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contextmenu->addSection("Primary Traces");
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} else {
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contextmenu->addSection("Secondary Traces");
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}
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for(auto t : traces) {
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// Skip traces that are not applicable for the selected axis type
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if(!supported(t.first, YAxis[axis].type)) {
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continue;
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}
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auto action = new QAction(t.first->name(), contextmenu);
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action->setCheckable(true);
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if(tracesAxis[axis].find(t.first) != tracesAxis[axis].end()) {
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action->setChecked(true);
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}
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connect(action, &QAction::toggled, [=](bool active) {
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enableTraceAxis(t.first, axis, active);
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});
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contextmenu->addAction(action);
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}
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}
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contextmenu->addSeparator();
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auto close = new QAction("Close", contextmenu);
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contextmenu->addAction(close);
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connect(close, &QAction::triggered, [=]() {
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markedForDeletion = true;
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});
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}
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bool TraceXYPlot::dropSupported(Trace *t)
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{
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Q_UNUSED(t)
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// all kind of traces can be dropped, the graph will be reconfigured to support the dropped trace if required
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return true;
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}
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bool TraceXYPlot::supported(Trace *t)
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{
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// potentially possible to add every kind of trace (depends on axis)
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if(supported(t, YAxis[0].type) || supported(t, YAxis[1].type)) {
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return true;
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} else {
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// no axis
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return false;
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}
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}
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void TraceXYPlot::draw(QPainter &p)
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{
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auto pref = Preferences::getInstance();
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constexpr int yAxisSpace = 50;
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constexpr int yAxisDisabledSpace = 10;
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constexpr int xAxisSpace = 30;
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auto w = p.window();
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auto pen = QPen(pref.Graphs.Color.axis, 0);
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pen.setCosmetic(true);
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p.setPen(pen);
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plotAreaLeft = YAxis[0].type == YAxisType::Disabled ? yAxisDisabledSpace : yAxisSpace;
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plotAreaWidth = w.width();
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plotAreaTop = 10;
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plotAreaBottom = w.height() - xAxisSpace;
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if(YAxis[0].type != YAxisType::Disabled) {
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plotAreaWidth -= yAxisSpace;
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} else {
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plotAreaWidth -= yAxisDisabledSpace;
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}
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if(YAxis[1].type != YAxisType::Disabled) {
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plotAreaWidth -= yAxisSpace;
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} else {
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plotAreaWidth -= yAxisDisabledSpace;
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}
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auto plotRect = QRect(plotAreaLeft, plotAreaTop, plotAreaWidth + 1, plotAreaBottom-plotAreaTop);
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p.drawRect(plotRect);
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// draw axis types
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auto font = p.font();
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font.setPixelSize(AxisLabelSize);
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p.setFont(font);
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p.drawText(QRect(0, w.height()-AxisLabelSize*1.5, w.width(), AxisLabelSize*1.5), Qt::AlignHCenter, AxisTypeToName(XAxis.type));
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for(int i=0;i<2;i++) {
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if(YAxis[i].type == YAxisType::Disabled) {
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continue;
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}
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QString labelY = AxisTypeToName(YAxis[i].type);
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p.setPen(QPen(pref.Graphs.Color.axis, 1));
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auto xStart = i == 0 ? 0 : w.width() - AxisLabelSize * 1.5;
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p.save();
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p.translate(xStart, w.height()-xAxisSpace);
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p.rotate(-90);
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p.drawText(QRect(0, 0, w.height()-xAxisSpace, AxisLabelSize*1.5), Qt::AlignHCenter, labelY);
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p.restore();
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// draw ticks
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if(YAxis[i].type != YAxisType::Disabled && YAxis[i].ticks.size() > 0) {
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// this only works for evenly distributed ticks:
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auto max = qMax(abs(YAxis[i].ticks.front()), abs(YAxis[i].ticks.back()));
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double step;
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if(YAxis[i].ticks.size() >= 2) {
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step = abs(YAxis[i].ticks[0] - YAxis[i].ticks[1]);
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} else {
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// only one tick, set arbitrary number of digits
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step = max / 1000;
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}
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int significantDigits = floor(log10(max)) - floor(log10(step)) + 1;
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for(unsigned int j = 0; j < YAxis[i].ticks.size(); j++) {
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auto yCoord = Util::Scale<double>(YAxis[i].ticks[j], YAxis[i].rangeMax, YAxis[i].rangeMin, plotAreaTop, w.height() - xAxisSpace);
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p.setPen(QPen(pref.Graphs.Color.axis, 1));
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// draw tickmark on axis
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auto tickStart = i == 0 ? plotAreaLeft : plotAreaLeft + plotAreaWidth;
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auto tickLen = i == 0 ? -2 : 2;
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p.drawLine(tickStart, yCoord, tickStart + tickLen, yCoord);
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auto tickValue = Unit::ToString(YAxis[i].ticks[j], "", "fpnum kMG", significantDigits);
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if(i == 0) {
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p.drawText(QRectF(0, yCoord - AxisLabelSize/2 - 2, tickStart + 2 * tickLen, AxisLabelSize), Qt::AlignRight, tickValue);
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} else {
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p.drawText(QRectF(tickStart + 2 * tickLen + 2, yCoord - AxisLabelSize/2 - 2, yAxisSpace, AxisLabelSize), Qt::AlignLeft, tickValue);
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}
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// tick lines
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if(yCoord == plotAreaTop || yCoord == w.height() - xAxisSpace) {
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// skip tick lines right on the plot borders
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continue;
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}
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if(i == 0) {
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// only draw tick lines for primary axis
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if (pref.Graphs.Color.Ticks.Background.enabled) {
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if (j%2)
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{
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int yCoordTop = Util::Scale<double>(YAxis[i].ticks[j], YAxis[i].rangeMax, YAxis[i].rangeMin, plotAreaTop, w.height() - xAxisSpace);
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int yCoordBot = Util::Scale<double>(YAxis[i].ticks[j-1], YAxis[i].rangeMax, YAxis[i].rangeMin, plotAreaTop, w.height() - xAxisSpace);
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if(yCoordTop > yCoordBot) {
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auto buf = yCoordBot;
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yCoordBot = yCoordTop;
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yCoordTop = buf;
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}
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p.setBrush(pref.Graphs.Color.Ticks.Background.background);
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p.setPen(pref.Graphs.Color.Ticks.Background.background);
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auto rect = QRect(plotAreaLeft+1, yCoordTop+1, plotAreaWidth-2, yCoordBot-yCoordTop-2);
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p.drawRect(rect);
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}
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}
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p.setPen(QPen(pref.Graphs.Color.Ticks.divisions, 0.5, Qt::DashLine));
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p.drawLine(plotAreaLeft, yCoord, plotAreaLeft + plotAreaWidth, yCoord);
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}
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}
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}
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// plot traces
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p.setClipRect(QRect(plotRect.x()+1, plotRect.y()+1, plotRect.width()-2, plotRect.height()-2));
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for(auto t : tracesAxis[i]) {
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if(!t->isVisible()) {
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continue;
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}
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pen = QPen(t->color(), 1);
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pen.setCosmetic(true);
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if(i == 1) {
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pen.setStyle(Qt::DotLine);
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} else {
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pen.setStyle(Qt::SolidLine);
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}
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p.setPen(pen);
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auto nPoints = t->size();
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for(unsigned int j=1;j<nPoints;j++) {
|
|
auto last = traceToCoordinate(t, j-1, YAxis[i].type);
|
|
auto now = traceToCoordinate(t, j, YAxis[i].type);
|
|
|
|
if(isnan(last.y()) || isnan(now.y()) || isinf(last.y()) || isinf(now.y())) {
|
|
continue;
|
|
}
|
|
|
|
// scale to plot coordinates
|
|
auto p1 = plotValueToPixel(last, i);
|
|
auto p2 = plotValueToPixel(now, i);
|
|
if(!plotRect.contains(p1) && !plotRect.contains(p2)) {
|
|
// completely out of frame
|
|
continue;
|
|
}
|
|
// draw line
|
|
p.drawLine(p1, p2);
|
|
}
|
|
if(i == 0 && nPoints > 0) {
|
|
// only draw markers on primary YAxis and if the trace has at least one point
|
|
auto markers = t->getMarkers();
|
|
for(auto m : markers) {
|
|
double xPosition = m->getPosition();
|
|
if (xPosition < XAxis.rangeMin || xPosition > XAxis.rangeMax) {
|
|
// marker not in graph range
|
|
continue;
|
|
}
|
|
if(xPosition < t->minX() || xPosition > t->maxX()) {
|
|
// marker not in trace range
|
|
continue;
|
|
}
|
|
auto t = m->getTrace();
|
|
QPointF markerPoint = traceToCoordinate(t, t->index(xPosition), YAxis[i].type);
|
|
auto point = plotValueToPixel(markerPoint, i);
|
|
if(!plotRect.contains(point)) {
|
|
// out of screen
|
|
continue;
|
|
}
|
|
auto symbol = m->getSymbol();
|
|
point += QPoint(-symbol.width()/2, -symbol.height());
|
|
p.drawPixmap(point, symbol);
|
|
}
|
|
}
|
|
}
|
|
p.setClipping(false);
|
|
}
|
|
|
|
if(XAxis.ticks.size() >= 1) {
|
|
// draw X ticks
|
|
// this only works for evenly distributed ticks:
|
|
auto max = qMax(abs(XAxis.ticks.front()), abs(XAxis.ticks.back()));
|
|
auto minLabel = qMin(abs(XAxis.ticks.front()), abs(XAxis.ticks.back()));
|
|
double step;
|
|
if(XAxis.ticks.size() >= 2) {
|
|
step = abs(XAxis.ticks[0] - XAxis.ticks[1]);
|
|
} else {
|
|
// only one tick, set arbitrary number of digits
|
|
step = max / 1000;
|
|
}
|
|
if(minLabel > 0 && minLabel < step) {
|
|
step = minLabel;
|
|
}
|
|
int significantDigits = floor(log10(max)) - floor(log10(step)) + 1;
|
|
bool displayFullFreq = significantDigits <= 5;
|
|
constexpr int displayLastDigits = 4;
|
|
QString prefixes = "fpnum kMG";
|
|
QString commonPrefix = QString();
|
|
if(!displayFullFreq) {
|
|
auto fullFreq = Unit::ToString(XAxis.ticks.front(), "", prefixes, significantDigits);
|
|
commonPrefix = fullFreq.at(fullFreq.size() - 1);
|
|
auto front = fullFreq;
|
|
front.truncate(fullFreq.size() - displayLastDigits);
|
|
auto back = fullFreq;
|
|
back.remove(0, front.size());
|
|
back.append("..");
|
|
p.setPen(QPen(QColor("orange")));
|
|
QRect bounding;
|
|
p.drawText(QRect(2, plotAreaBottom + AxisLabelSize + 5, w.width(), AxisLabelSize), 0, front, &bounding);
|
|
p.setPen(pref.Graphs.Color.axis);
|
|
p.drawText(QRect(bounding.x() + bounding.width(), plotAreaBottom + AxisLabelSize + 5, w.width(), AxisLabelSize), 0, back);
|
|
}
|
|
|
|
for(auto t : XAxis.ticks) {
|
|
auto xCoord = Util::Scale<double>(t, XAxis.rangeMin, XAxis.rangeMax, plotAreaLeft, plotAreaLeft + plotAreaWidth);
|
|
auto tickValue = Unit::ToString(t, "", prefixes, significantDigits);
|
|
p.setPen(QPen(pref.Graphs.Color.axis, 1));
|
|
if(displayFullFreq) {
|
|
p.drawText(QRect(xCoord - 40, plotAreaBottom + 5, 80, AxisLabelSize), Qt::AlignHCenter, tickValue);
|
|
} else {
|
|
// check if the same prefix was used as in the fullFreq string
|
|
if(tickValue.at(tickValue.size() - 1) != commonPrefix) {
|
|
// prefix changed, we reached the next order of magnitude. Force same prefix as in fullFreq and add extra digit
|
|
tickValue = Unit::ToString(t, "", commonPrefix, significantDigits + 1);
|
|
}
|
|
|
|
tickValue.remove(0, tickValue.size() - displayLastDigits);
|
|
QRect bounding;
|
|
p.drawText(QRect(xCoord - 40, plotAreaBottom + 5, 80, AxisLabelSize), Qt::AlignHCenter, tickValue, &bounding);
|
|
p.setPen(QPen(QColor("orange")));
|
|
p.drawText(QRect(0, plotAreaBottom + 5, bounding.x() - 1, AxisLabelSize), Qt::AlignRight, "..");
|
|
p.setPen(QPen(pref.Graphs.Color.axis, 1));
|
|
}
|
|
p.drawLine(xCoord, plotAreaBottom, xCoord, plotAreaBottom + 2);
|
|
if(xCoord != plotAreaLeft && xCoord != plotAreaLeft + plotAreaWidth) {
|
|
p.setPen(QPen(pref.Graphs.Color.Ticks.divisions, 0.5, Qt::DashLine));
|
|
p.drawLine(xCoord, plotAreaTop, xCoord, plotAreaBottom);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(dropPending) {
|
|
p.setOpacity(0.5);
|
|
p.setBrush(Qt::white);
|
|
p.setPen(Qt::white);
|
|
if((YAxis[0].type == YAxisType::Disabled || !supported(dropTrace, YAxis[0].type))
|
|
|| (YAxis[1].type == YAxisType::Disabled || !supported(dropTrace, YAxis[1].type))) {
|
|
// only one axis enabled, show drop area over whole plot
|
|
p.drawRect(plotRect);
|
|
auto font = p.font();
|
|
font.setPixelSize(20);
|
|
p.setFont(font);
|
|
p.setOpacity(1.0);
|
|
p.setPen(Qt::white);
|
|
auto text = "Drop here to add\n" + dropTrace->name() + "\nto XY-plot";
|
|
p.drawText(plotRect, Qt::AlignCenter, text);
|
|
} else {
|
|
// both axis enabled, show regions
|
|
auto leftRect = plotRect;
|
|
leftRect.setWidth(plotRect.width() * 0.3);
|
|
auto centerRect = plotRect;
|
|
centerRect.setX(centerRect.x() + plotRect.width() * 0.35);
|
|
centerRect.setWidth(plotRect.width() * 0.3);
|
|
auto rightRect = plotRect;
|
|
rightRect.setX(rightRect.x() + plotRect.width() * 0.7);
|
|
rightRect.setWidth(plotRect.width() * 0.3);
|
|
p.drawRect(leftRect);
|
|
p.drawRect(centerRect);
|
|
p.drawRect(rightRect);
|
|
p.setOpacity(1.0);
|
|
p.setPen(Qt::white);
|
|
auto font = p.font();
|
|
font.setPixelSize(20);
|
|
p.setFont(font);
|
|
p.drawText(leftRect, Qt::AlignCenter, "Drop here to add\nto primary axis");
|
|
p.drawText(centerRect, Qt::AlignCenter, "Drop here to add\nto boths axes");
|
|
p.drawText(rightRect, Qt::AlignCenter, "Drop here to add\nto secondary axis");
|
|
}
|
|
}
|
|
}
|
|
|
|
void TraceXYPlot::updateAxisTicks()
|
|
{
|
|
auto createEvenlySpacedTicks = [](vector<double>& ticks, double start, double stop, double step) {
|
|
ticks.clear();
|
|
if(start > stop) {
|
|
swap(start, stop);
|
|
}
|
|
step = abs(step);
|
|
constexpr unsigned int maxTicks = 100;
|
|
for(double tick = start; tick - stop < numeric_limits<double>::epsilon() && ticks.size() <= maxTicks;tick+= step) {
|
|
ticks.push_back(tick);
|
|
}
|
|
};
|
|
|
|
auto createAutomaticTicks = [](vector<double>& ticks, double start, double stop, int minDivisions) -> double {
|
|
Q_ASSERT(stop > start);
|
|
ticks.clear();
|
|
double max_div_step = (stop - start) / minDivisions;
|
|
int zeros = floor(log10(max_div_step));
|
|
double decimals_shift = pow(10, zeros);
|
|
max_div_step /= decimals_shift;
|
|
if(max_div_step >= 5) {
|
|
max_div_step = 5;
|
|
} else if(max_div_step >= 2) {
|
|
max_div_step = 2;
|
|
} else {
|
|
max_div_step = 1;
|
|
}
|
|
auto div_step = max_div_step * decimals_shift;
|
|
// round min up to next multiple of div_step
|
|
auto start_div = ceil(start / div_step) * div_step;
|
|
for(double tick = start_div;tick <= stop;tick += div_step) {
|
|
ticks.push_back(tick);
|
|
}
|
|
return div_step;
|
|
};
|
|
|
|
if(XAxis.mode == XAxisMode::Manual) {
|
|
createEvenlySpacedTicks(XAxis.ticks, XAxis.rangeMin, XAxis.rangeMax, XAxis.rangeDiv);
|
|
} else {
|
|
XAxis.ticks.clear();
|
|
// automatic mode, figure out limits
|
|
double max = std::numeric_limits<double>::lowest();
|
|
double min = std::numeric_limits<double>::max();
|
|
if(XAxis.mode == XAxisMode::UseSpan) {
|
|
min = sweep_fmin;
|
|
max = sweep_fmax;
|
|
} else if(XAxis.mode == XAxisMode::FitTraces) {
|
|
for(auto t : traces) {
|
|
bool enabled = (tracesAxis[0].find(t.first) != tracesAxis[0].end()
|
|
|| tracesAxis[1].find(t.first) != tracesAxis[1].end());
|
|
auto trace = t.first;
|
|
if(enabled && trace->isVisible()) {
|
|
if(!trace->size()) {
|
|
// empty trace, do not use for automatic axis calculation
|
|
continue;
|
|
}
|
|
// this trace is currently displayed
|
|
double trace_min = trace->minX();
|
|
double trace_max = trace->maxX();
|
|
if(XAxis.type == XAxisType::Distance) {
|
|
trace_min = trace->timeToDistance(trace_min);
|
|
trace_max = trace->timeToDistance(trace_max);
|
|
}
|
|
if(trace_min < min) {
|
|
min = trace_min;
|
|
}
|
|
if(trace_max > max) {
|
|
max = trace_max;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(min < max) {
|
|
// found min/max values
|
|
XAxis.rangeMin = min;
|
|
XAxis.rangeMax = max;
|
|
XAxis.rangeDiv = createAutomaticTicks(XAxis.ticks, min, max, 8);
|
|
}
|
|
}
|
|
|
|
for(int i=0;i<2;i++) {
|
|
if(!YAxis[i].autorange) {
|
|
createEvenlySpacedTicks(YAxis[i].ticks, YAxis[i].rangeMin, YAxis[i].rangeMax, YAxis[i].rangeDiv);
|
|
} else {
|
|
// automatic mode, figure out limits
|
|
double max = std::numeric_limits<double>::lowest();
|
|
double min = std::numeric_limits<double>::max();
|
|
for(auto t : tracesAxis[i]) {
|
|
unsigned int samples = t->size();
|
|
for(unsigned int j=0;j<samples;j++) {
|
|
auto point = traceToCoordinate(t, j, YAxis[i].type);
|
|
|
|
if(point.x() < XAxis.rangeMin || point.x() > XAxis.rangeMax) {
|
|
// this point is not in the displayed X range, skip for auto Y range calculation
|
|
continue;
|
|
}
|
|
|
|
if(point.y() > max) {
|
|
max = point.y();
|
|
}
|
|
if(point.y() < min) {
|
|
min = point.y();
|
|
}
|
|
}
|
|
}
|
|
if(max >= min) {
|
|
auto range = max - min;
|
|
if(range == 0.0) {
|
|
// this could happen if all values in a trace are identical (e.g. imported ideal touchstone files)
|
|
if(max == 0.0) {
|
|
// simply use +/-1 range
|
|
max = 1.0;
|
|
min = -1.0;
|
|
} else {
|
|
// +/-5% around value
|
|
max += abs(max * 0.05);
|
|
min -= abs(max * 0.05);
|
|
}
|
|
} else {
|
|
// add 5% of range at both ends
|
|
min -= range * 0.05;
|
|
max += range * 0.05;
|
|
}
|
|
} else {
|
|
// max/min still at default values, no valid samples are available for this axis, use default range
|
|
max = 1.0;
|
|
min = -1.0;
|
|
}
|
|
YAxis[i].rangeMin = min;
|
|
YAxis[i].rangeMax = max;
|
|
YAxis[i].rangeDiv = createAutomaticTicks(YAxis[i].ticks, min, max, 8);
|
|
}
|
|
}
|
|
}
|
|
|
|
QString TraceXYPlot::AxisTypeToName(TraceXYPlot::XAxisType type)
|
|
{
|
|
switch(type) {
|
|
case XAxisType::Frequency: return "Frequency";
|
|
case XAxisType::Time: return "Time";
|
|
case XAxisType::Distance: return "Distance";
|
|
case XAxisType::Power: return "Power";
|
|
default: return "Unknown";
|
|
}
|
|
}
|
|
|
|
QString TraceXYPlot::AxisModeToName(TraceXYPlot::XAxisMode mode)
|
|
{
|
|
switch(mode) {
|
|
case XAxisMode::Manual: return "Manual"; break;
|
|
case XAxisMode::FitTraces: return "Fit Traces"; break;
|
|
case XAxisMode::UseSpan: return "Use Span"; break;
|
|
default: return "Unknown";
|
|
}
|
|
}
|
|
|
|
TraceXYPlot::XAxisType TraceXYPlot::XAxisTypeFromName(QString name)
|
|
{
|
|
for(unsigned int i=0;i<(int) XAxisType::Last;i++) {
|
|
if(AxisTypeToName((XAxisType) i) == name) {
|
|
return (XAxisType) i;
|
|
}
|
|
}
|
|
// not found, use default
|
|
return XAxisType::Frequency;
|
|
}
|
|
|
|
TraceXYPlot::YAxisType TraceXYPlot::YAxisTypeFromName(QString name)
|
|
{
|
|
for(unsigned int i=0;i<(int) YAxisType::Last;i++) {
|
|
if(AxisTypeToName((YAxisType) i) == name) {
|
|
return (YAxisType) i;
|
|
}
|
|
}
|
|
// not found, use default
|
|
return YAxisType::Magnitude;
|
|
}
|
|
|
|
TraceXYPlot::XAxisMode TraceXYPlot::AxisModeFromName(QString name)
|
|
{
|
|
for(unsigned int i=0;i<(int) XAxisMode::Last;i++) {
|
|
if(AxisModeToName((XAxisMode) i) == name) {
|
|
return (XAxisMode) i;
|
|
}
|
|
}
|
|
// not found, use default
|
|
return XAxisMode::UseSpan;
|
|
}
|
|
|
|
QString TraceXYPlot::AxisTypeToName(TraceXYPlot::YAxisType type)
|
|
{
|
|
switch(type) {
|
|
case YAxisType::Disabled: return "Disabled";
|
|
case YAxisType::Magnitude: return "Magnitude";
|
|
case YAxisType::Phase: return "Phase";
|
|
case YAxisType::VSWR: return "VSWR";
|
|
case YAxisType::Real: return "Real";
|
|
case YAxisType::Imaginary: return "Imaginary";
|
|
case YAxisType::SeriesR: return "Resistance";
|
|
case YAxisType::Reactance: return "Reactance";
|
|
case YAxisType::Capacitance: return "Capacitance";
|
|
case YAxisType::Inductance: return "Inductance";
|
|
case YAxisType::QualityFactor: return "Quality Factor";
|
|
case YAxisType::ImpulseReal: return "Impulse Response (Real)";
|
|
case YAxisType::ImpulseMag: return "Impulse Response (Magnitude)";
|
|
case YAxisType::Step: return "Step Response";
|
|
case YAxisType::Impedance: return "Impedance";
|
|
default: return "Unknown";
|
|
}
|
|
}
|
|
|
|
void TraceXYPlot::enableTraceAxis(Trace *t, int axis, bool enabled)
|
|
{
|
|
if(enabled && !supported(t, YAxis[axis].type)) {
|
|
// unable to add trace to the requested axis
|
|
return;
|
|
}
|
|
if(axis == 0) {
|
|
TracePlot::enableTrace(t, enabled);
|
|
}
|
|
bool alreadyEnabled = tracesAxis[axis].find(t) != tracesAxis[axis].end();
|
|
if(alreadyEnabled != enabled) {
|
|
if(enabled) {
|
|
tracesAxis[axis].insert(t);
|
|
} else {
|
|
tracesAxis[axis].erase(t);
|
|
if(axis == 0) {
|
|
disconnect(t, &Trace::markerAdded, this, &TraceXYPlot::markerAdded);
|
|
disconnect(t, &Trace::markerRemoved, this, &TraceXYPlot::markerRemoved);
|
|
auto tracemarkers = t->getMarkers();
|
|
for(auto m : tracemarkers) {
|
|
markerRemoved(m);
|
|
}
|
|
}
|
|
}
|
|
|
|
updateContextMenu();
|
|
replot();
|
|
}
|
|
}
|
|
|
|
bool TraceXYPlot::supported(Trace *t, TraceXYPlot::YAxisType type)
|
|
{
|
|
switch(XAxis.type) {
|
|
case XAxisType::Frequency:
|
|
if(t->outputType() != Trace::DataType::Frequency) {
|
|
return false;
|
|
}
|
|
break;
|
|
case XAxisType::Distance:
|
|
case XAxisType::Time:
|
|
if(t->outputType() != Trace::DataType::Time) {
|
|
return false;
|
|
}
|
|
break;
|
|
case XAxisType::Power:
|
|
if(t->outputType() != Trace::DataType::Power) {
|
|
return false;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch(type) {
|
|
case YAxisType::Disabled:
|
|
return false;
|
|
case YAxisType::VSWR:
|
|
case YAxisType::SeriesR:
|
|
case YAxisType::Reactance:
|
|
case YAxisType::Capacitance:
|
|
case YAxisType::Inductance:
|
|
case YAxisType::QualityFactor:
|
|
if(!t->isReflection()) {
|
|
return false;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
QPointF TraceXYPlot::traceToCoordinate(Trace *t, unsigned int sample, TraceXYPlot::YAxisType type)
|
|
{
|
|
QPointF ret = QPointF(numeric_limits<double>::quiet_NaN(), numeric_limits<double>::quiet_NaN());
|
|
auto data = t->sample(sample);
|
|
switch(XAxis.type) {
|
|
case XAxisType::Distance:
|
|
ret.setX(t->timeToDistance(data.x));
|
|
break;
|
|
default:
|
|
ret.setX(data.x);
|
|
break;
|
|
}
|
|
switch(type) {
|
|
case YAxisType::Magnitude:
|
|
ret.setY(Util::SparamTodB(data.y));
|
|
break;
|
|
case YAxisType::Phase:
|
|
ret.setY(Util::SparamToDegree(data.y));
|
|
break;
|
|
case YAxisType::VSWR:
|
|
ret.setY(Util::SparamToVSWR(data.y));
|
|
break;
|
|
case YAxisType::Real:
|
|
ret.setY(data.y.real());
|
|
break;
|
|
case YAxisType::Imaginary:
|
|
ret.setY(data.y.imag());
|
|
break;
|
|
case YAxisType::SeriesR:
|
|
ret.setY(Util::SparamToResistance(data.y));
|
|
break;
|
|
case YAxisType::Reactance:
|
|
ret.setY(Util::SparamToImpedance(data.y).imag());
|
|
break;
|
|
case YAxisType::Capacitance:
|
|
ret.setY(Util::SparamToCapacitance(data.y, data.x));
|
|
break;
|
|
case YAxisType::Inductance:
|
|
ret.setY(Util::SparamToInductance(data.y, data.x));
|
|
break;
|
|
case YAxisType::QualityFactor:
|
|
ret.setY(Util::SparamToQualityFactor(data.y));
|
|
break;
|
|
case YAxisType::ImpulseReal:
|
|
ret.setY(real(data.y));
|
|
break;
|
|
case YAxisType::ImpulseMag:
|
|
ret.setY(Util::SparamTodB(data.y));
|
|
break;
|
|
case YAxisType::Step:
|
|
ret.setY(t->sample(sample, true).y.real());
|
|
break;
|
|
case YAxisType::Impedance: {
|
|
double step = t->sample(sample, true).y.real();
|
|
if(abs(step) < 1.0) {
|
|
ret.setY(Util::SparamToImpedance(step).real());
|
|
}
|
|
}
|
|
break;
|
|
case YAxisType::Disabled:
|
|
case YAxisType::Last:
|
|
// no valid axis
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
QPoint TraceXYPlot::plotValueToPixel(QPointF plotValue, int Yaxis)
|
|
{
|
|
QPoint p;
|
|
p.setX(Util::Scale<double>(plotValue.x(), XAxis.rangeMin, XAxis.rangeMax, plotAreaLeft, plotAreaLeft + plotAreaWidth));
|
|
p.setY(Util::Scale<double>(plotValue.y(), YAxis[Yaxis].rangeMin, YAxis[Yaxis].rangeMax, plotAreaBottom, plotAreaTop));
|
|
return p;
|
|
}
|
|
|
|
QPointF TraceXYPlot::pixelToPlotValue(QPoint pixel, int Yaxis)
|
|
{
|
|
QPointF p;
|
|
p.setX(Util::Scale<double>(pixel.x(), plotAreaLeft, plotAreaLeft + plotAreaWidth, XAxis.rangeMin, XAxis.rangeMax));
|
|
p.setY(Util::Scale<double>(pixel.y(), plotAreaBottom, plotAreaTop, YAxis[Yaxis].rangeMin, YAxis[Yaxis].rangeMax));
|
|
return p;
|
|
}
|
|
|
|
QPoint TraceXYPlot::markerToPixel(Marker *m)
|
|
{
|
|
auto t = m->getTrace();
|
|
QPointF plotPoint = traceToCoordinate(t, t->index(m->getPosition()), YAxis[0].type);
|
|
return plotValueToPixel(plotPoint, 0);
|
|
}
|
|
|
|
double TraceXYPlot::nearestTracePoint(Trace *t, QPoint pixel, double *distance)
|
|
{
|
|
if(!tracesAxis[0].count(t)) {
|
|
// trace not enabled
|
|
return 0;
|
|
}
|
|
double closestDistance = numeric_limits<double>::max();
|
|
double closestXpos = 0;
|
|
auto samples = t->size();
|
|
for(unsigned int i=0;i<samples;i++) {
|
|
auto point = traceToCoordinate(t, i, YAxis[0].type);
|
|
if(isnan(point.x()) || isnan(point.y())) {
|
|
continue;
|
|
}
|
|
auto plotPoint = plotValueToPixel(point, 0);
|
|
QPointF diff = plotPoint - pixel;
|
|
auto distance = diff.x() * diff.x() + diff.y() * diff.y();
|
|
if(distance < closestDistance) {
|
|
closestDistance = distance;
|
|
closestXpos = point.x();
|
|
}
|
|
}
|
|
if(XAxis.type == XAxisType::Distance) {
|
|
closestXpos = t->distanceToTime(closestXpos);
|
|
}
|
|
if(distance) {
|
|
*distance = closestDistance;
|
|
}
|
|
return closestXpos;
|
|
}
|
|
|
|
bool TraceXYPlot::xCoordinateVisible(double x)
|
|
{
|
|
if(x >= min(XAxis.rangeMin, XAxis.rangeMax) && x <= max(XAxis.rangeMax, XAxis.rangeMin)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void TraceXYPlot::traceDropped(Trace *t, QPoint position)
|
|
{
|
|
if(!supported(t)) {
|
|
// needs to switch to a different domain for the graph
|
|
if(!InformationBox::AskQuestion("X Axis Domain Change", "You dropped a trace that is not supported with the currently selected X axis domain."
|
|
" Do you want to remove all traces and change the graph to the correct domain?", true, "DomainChangeRequest")) {
|
|
// user declined to change domain, to not add trace
|
|
return;
|
|
}
|
|
if(!configureForTrace(t)) {
|
|
// failed to configure
|
|
return;
|
|
}
|
|
}
|
|
if(YAxis[0].type == YAxisType::Disabled && YAxis[1].type == YAxisType::Disabled) {
|
|
// no Y axis enabled, unable to drop
|
|
return;
|
|
}
|
|
if(YAxis[0].type == YAxisType::Disabled) {
|
|
// only axis 1 enabled
|
|
enableTraceAxis(t, 1, true);
|
|
return;
|
|
}
|
|
if(YAxis[1].type == YAxisType::Disabled) {
|
|
// only axis 0 enabled
|
|
enableTraceAxis(t, 0, true);
|
|
return;
|
|
}
|
|
// both axis enabled, check drop position
|
|
auto drop = Util::Scale<double>(position.x(), plotAreaLeft, plotAreaLeft + plotAreaWidth, 0.0, 1.0);
|
|
if(drop < 0.66) {
|
|
enableTraceAxis(t, 0, true);
|
|
}
|
|
if(drop > 0.33) {
|
|
enableTraceAxis(t, 1, true);
|
|
}
|
|
}
|
|
|
|
QString TraceXYPlot::mouseText(QPoint pos)
|
|
{
|
|
QString ret;
|
|
if(QRect(plotAreaLeft, 0, plotAreaWidth + 1, plotAreaBottom).contains(pos)) {
|
|
// cursor within plot area
|
|
QPointF coords[2];
|
|
coords[0] = pixelToPlotValue(pos, 0);
|
|
coords[1] = pixelToPlotValue(pos, 1);
|
|
int significantDigits = floor(log10(abs(XAxis.rangeMax))) - floor(log10((abs(XAxis.rangeMax - XAxis.rangeMin)) / 1000.0)) + 1;
|
|
ret += Unit::ToString(coords[0].x(), AxisUnit(XAxis.type), "fpnum kMG", significantDigits) + "\n";
|
|
for(int i=0;i<2;i++) {
|
|
if(YAxis[i].type != YAxisType::Disabled) {
|
|
auto max = qMax(abs(YAxis[i].rangeMax), abs(YAxis[i].rangeMin));
|
|
auto step = abs(YAxis[i].rangeMax - YAxis[i].rangeMin) / 1000.0;
|
|
significantDigits = floor(log10(max)) - floor(log10(step)) + 1;
|
|
ret += Unit::ToString(coords[i].y(), AxisUnit(YAxis[i].type), "fpnum kMG", significantDigits) + "\n";
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
QString TraceXYPlot::AxisUnit(TraceXYPlot::YAxisType type)
|
|
{
|
|
switch(type) {
|
|
case TraceXYPlot::YAxisType::Magnitude: return "db";
|
|
case TraceXYPlot::YAxisType::Phase: return "°";
|
|
case TraceXYPlot::YAxisType::VSWR: return "";
|
|
case TraceXYPlot::YAxisType::ImpulseReal: return "";
|
|
case TraceXYPlot::YAxisType::ImpulseMag: return "db";
|
|
case TraceXYPlot::YAxisType::Step: return "";
|
|
case TraceXYPlot::YAxisType::Impedance: return "Ohm";
|
|
default: return "";
|
|
}
|
|
}
|
|
|
|
QString TraceXYPlot::AxisUnit(TraceXYPlot::XAxisType type)
|
|
{
|
|
switch(type) {
|
|
case XAxisType::Frequency: return "Hz";
|
|
case XAxisType::Time: return "s";
|
|
case XAxisType::Distance: return "m";
|
|
case XAxisType::Power: return "dBm";
|
|
default: return "";
|
|
}
|
|
}
|