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Commit a40c8870 authored by John Tapsell's avatar John Tapsell
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QGCXYPlot: Seperate the number of points shown and number of points store

parent 6c59f5f4
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Showing with 70 additions and 28 deletions
src/ui/designer/QGCXYPlot.cc
View file @ a40c8870
......@@ -15,14 +15,17 @@ class XYPlotCurve : public QwtPlotItem
{
public:
XYPlotCurve() {
m_maxPoints = 15;
m_maxStorePoints = 10000;
m_maxShowPoints = 15;
setItemAttribute(QwtPlotItem::AutoScale);
minMaxSet = false;
m_color = Qt::white;
}
void setMaxDataPoints(int max) { m_maxPoints = max; }
int maxPoints() const { return m_maxPoints; }
void setMaxDataStorePoints(int max) { m_maxStorePoints = max; itemChanged(); }
void setMaxDataShowPoints(int max) { m_maxShowPoints = max; itemChanged(); }
int maxDataStorePoints() const { return m_maxStorePoints; }
int maxDataShowPoints() const { return m_maxShowPoints; }
void appendData(const QPointF &data) {
if(!minMaxSet) {
......@@ -36,9 +39,8 @@ public:
ymax = qMax(ymax, data.y());
}
m_data.append(data);
while(m_data.size() > m_maxPoints)
while(m_data.size() > m_maxStorePoints)
m_data.removeFirst();
itemChanged();
}
......@@ -84,18 +86,18 @@ protected:
{
Q_UNUSED(canvasRect);
QPointF lastPoint;
int i = 0;
if(m_data.isEmpty())
return;
int dataSize = m_data.size();
foreach(const QPointF &point, m_data) {
int start = qMax(0,m_data.size() - m_maxShowPoints);
int count = qMin(m_data.size()-start, m_maxShowPoints);
for(int i = 0; i < count; ++i) {
const QPointF &point = m_data.at(i+start);
QPointF paintCoord = QPointF(xMap.xTransform(point.x()), yMap.xTransform(point.y()));
m_color.setAlpha((i+m_maxPoints - dataSize)*255/m_maxPoints);
m_color.setAlpha((m_maxShowPoints - count + i)*255/m_maxShowPoints);
p->setPen(m_color);
if(i++)
if(i != 0)
p->drawLine(lastPoint, paintCoord);
if(i == dataSize) {
if(i == count-1) {
//Draw marker for first point
const int marker_radius = 2;
QRectF marker = QRectF(paintCoord.x()-marker_radius, paintCoord.y()-marker_radius, marker_radius*2+1,marker_radius*2+1);
......@@ -107,7 +109,8 @@ protected:
private:
QList< QPointF > m_data;
int m_maxPoints;
int m_maxStorePoints;
int m_maxShowPoints;
mutable QColor m_color;
double xmin;
......@@ -123,7 +126,6 @@ QGCXYPlot::QGCXYPlot(QWidget *parent) :
ui(new Ui::QGCXYPlot),
plot(0),
xycurve(0),
maxElementsToDraw(5),
x(0),
x_timestamp_us(0),
x_valid(false),
......@@ -167,7 +169,8 @@ QGCXYPlot::QGCXYPlot(QWidget *parent) :
connect(ui->minY, SIGNAL(valueChanged(double)),this, SLOT(updateMinMaxSettings()));
connect(ui->maxY, SIGNAL(valueChanged(double)),this, SLOT(updateMinMaxSettings()));
connect(ui->automaticAxisRange, SIGNAL(toggled(bool)),this, SLOT(updateMinMaxSettings()));
connect(ui->maxDataSpinBox, SIGNAL(valueChanged(int)),this, SLOT(updateMinMaxSettings()));
connect(ui->maxDataShowSpinBox, SIGNAL(valueChanged(int)),this, SLOT(updateMinMaxSettings()));
connect(ui->maxDataStoreSpinBox, SIGNAL(valueChanged(int)),this, SLOT(updateMinMaxSettings()));
setEditMode(false);
}
......@@ -191,7 +194,8 @@ void QGCXYPlot::setEditMode(bool editMode)
ui->editFinishButton->setVisible(editMode);
ui->editLine1->setVisible(editMode);
ui->editLine2->setVisible(editMode);
ui->lblMaxData->setVisible(editMode);
ui->lblMaxDataStore->setVisible(editMode);
ui->lblMaxDataShow->setVisible(editMode);
ui->lblMaxX->setVisible(editMode);
ui->lblMaxY->setVisible(editMode);
ui->lblMinX->setVisible(editMode);
......@@ -200,7 +204,8 @@ void QGCXYPlot::setEditMode(bool editMode)
ui->maxY->setVisible(editMode);
ui->minX->setVisible(editMode);
ui->minY->setVisible(editMode);
ui->maxDataSpinBox->setVisible(editMode);
ui->maxDataShowSpinBox->setVisible(editMode);
ui->maxDataStoreSpinBox->setVisible(editMode);
ui->automaticAxisRange->setVisible(editMode);
if(!editMode) {
......@@ -221,7 +226,8 @@ void QGCXYPlot::writeSettings(QSettings& settings)
settings.setValue("QGC_XYPLOT_MAXX", ui->maxX->value());
settings.setValue("QGC_XYPLOT_MINY", ui->minY->value());
settings.setValue("QGC_XYPLOT_MAXY", ui->maxY->value());
settings.setValue("QGC_XYPLOT_MAXDATA", ui->maxDataSpinBox->value());
settings.setValue("QGC_XYPLOT_MAXDATA_STORE", ui->maxDataStoreSpinBox->value());
settings.setValue("QGC_XYPLOT_MAXDATA_SHOW", ui->maxDataShowSpinBox->value());
settings.setValue("QGC_XYPLOT_AUTO", ui->automaticAxisRange->isChecked());
settings.sync();
......@@ -235,7 +241,8 @@ void QGCXYPlot::readSettings(const QString& pre,const QVariantMap& settings)
ui->maxX->setValue(settings.value(pre + "QGC_XYPLOT_MAXX", 0).toDouble());
ui->minY->setValue(settings.value(pre + "QGC_XYPLOT_MINY", 0).toDouble());
ui->maxY->setValue(settings.value(pre + "QGC_XYPLOT_MAXY", 0).toDouble());
ui->maxDataSpinBox->setValue(settings.value(pre + "QGC_XYPLOT_MAXDATA", 15).toInt());
ui->maxDataStoreSpinBox->setValue(settings.value(pre + "QGC_XYPLOT_MAXDATA_STORE", 10000).toInt());
ui->maxDataShowSpinBox->setValue(settings.value(pre + "QGC_XYPLOT_MAXDATA_SHOW", 15).toInt());
plot->setAxisTitle(QwtPlot::xBottom, ui->editXParam->currentText());
plot->setAxisTitle(QwtPlot::yLeft, ui->editYParam->currentText());
updateMinMaxSettings();
......@@ -250,7 +257,8 @@ void QGCXYPlot::readSettings(const QSettings& settings)
ui->maxX->setValue(settings.value("QGC_XYPLOT_MAXX", 0).toDouble());
ui->minY->setValue(settings.value("QGC_XYPLOT_MINY", 0).toDouble());
ui->maxY->setValue(settings.value("QGC_XYPLOT_MAXY", 0).toDouble());
ui->maxDataSpinBox->setValue(settings.value("QGC_XYPLOT_MAXDATA", 15).toInt());
ui->maxDataStoreSpinBox->setValue(settings.value("QGC_XYPLOT_MAXDATA_STORE", 10000).toInt());
ui->maxDataShowSpinBox->setValue(settings.value("QGC_XYPLOT_MAXDATA_SHOW", 15).toInt());
plot->setAxisTitle(QwtPlot::xBottom, ui->editXParam->currentText());
plot->setAxisTitle(QwtPlot::yLeft, ui->editYParam->currentText());
updateMinMaxSettings();
......@@ -316,5 +324,13 @@ void QGCXYPlot::updateMinMaxSettings()
} else {
xycurve->setMinMax(ui->minX->value(), ui->maxX->value(), ui->minY->value(), ui->maxY->value());
}
xycurve->setMaxDataPoints(ui->maxDataSpinBox->value());
xycurve->setMaxDataStorePoints(ui->maxDataStoreSpinBox->value());
xycurve->setMaxDataShowPoints(ui->maxDataShowSpinBox->value());
}
void QGCXYPlot::on_maxDataShowSpinBox_valueChanged(int value)
{
ui->maxDataStoreSpinBox->setMinimum(value);
if(ui->maxDataStoreSpinBox->value() < value)
ui->maxDataStoreSpinBox->setValue(value);
}
src/ui/designer/QGCXYPlot.h
View file @ a40c8870
......@@ -31,13 +31,14 @@ public slots:
void styleChanged(MainWindow::QGC_MAINWINDOW_STYLE style);
void updateMinMaxSettings();
private slots:
void on_maxDataShowSpinBox_valueChanged(int value);
private:
Ui::QGCXYPlot *ui;
QwtPlot *plot;
XYPlotCurve* xycurve;
int maxElementsToDraw;
double x; /**< Last unused value for the x-coordinate */
quint64 x_timestamp_us; /**< Timestamp that we last recieved a value for x */
bool x_valid; /**< Whether we have recieved an x value but so far no corresponding y value */
......
src/ui/designer/QGCXYPlot.ui
View file @ a40c8870
......@@ -7,7 +7,7 @@
<x>0</x>
<y>0</y>
<width>771</width>
<height>626</height>
<height>365</height>
</rect>
</property>
<property name="windowTitle">
......@@ -145,17 +145,17 @@
<item>
<layout class="QHBoxLayout" name="horizontalLayout_3">
<item>
<widget class="QLabel" name="lblMaxData">
<widget class="QLabel" name="lblMaxDataShow">
<property name="text">
<string>Number of data points to &amp;show:</string>
</property>
<property name="buddy">
<cstring>maxDataSpinBox</cstring>
<cstring>maxDataShowSpinBox</cstring>
</property>
</widget>
</item>
<item>
<widget class="QSpinBox" name="maxDataSpinBox">
<widget class="QSpinBox" name="maxDataShowSpinBox">
<property name="minimum">
<number>2</number>
</property>
......@@ -167,6 +167,29 @@
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="lblMaxDataStore">
<property name="text">
<string>To s&amp;tore:</string>
</property>
<property name="buddy">
<cstring>maxDataStoreSpinBox</cstring>
</property>
</widget>
</item>
<item>
<widget class="QSpinBox" name="maxDataStoreSpinBox">
<property name="minimum">
<number>10</number>
</property>
<property name="maximum">
<number>999999999</number>
</property>
<property name="value">
<number>15</number>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="automaticAxisRange">
<property name="text">
......@@ -348,7 +371,9 @@
<tabstops>
<tabstop>editXParam</tabstop>
<tabstop>editYParam</tabstop>
<tabstop>maxDataSpinBox</tabstop>
<tabstop>maxDataShowSpinBox</tabstop>
<tabstop>maxDataStoreSpinBox</tabstop>
<tabstop>automaticAxisRange</tabstop>
<tabstop>minX</tabstop>
<tabstop>maxX</tabstop>
<tabstop>minY</tabstop>
......
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