QgsCurveEditorWidget class

Constructors, destructors, conversion operators

QgsCurveEditorWidget(QWidget* parent = nullptr, const QgsCurveTransform& curve = QgsCurveTransform())

Constructor for QgsCurveEditorWidget.

Public functions

auto curve() const -> QgsCurveTransform

Returns a curve representing the current curve from the widget.

auto maxHistogramValueRange() const -> double

Returns the maximum expected value for the range of values shown in the histogram.

auto minHistogramValueRange() const -> double

Returns the minimum expected value for the range of values shown in the histogram.

void setCurve(const QgsCurveTransform& curve)

Sets the curve to show in the widget.

void setHistogramSource(const QgsVectorLayer* layer, const QString& expression)

Sets a layer and expression source for values to show in a histogram behind the curve.

Signals

void changed()

Emitted when the widget curve changes.

Public slots

void setMaxHistogramValueRange(double maxValueRange)

Sets the maximum expected value for the range of values shown in the histogram.

void setMinHistogramValueRange(double minValueRange)

Sets the minimum expected value for the range of values shown in the histogram.

Function documentation