http://carta.tech/man-pages/man3/libqwt-doc-QwtMagnifier.3.html Webif you want to regsiter each "notch/step" separately, you could just use a loop: steps = event.angleDelta ().y () // 120 vector = steps and steps // abs (steps) # 0, 1, or -1 for step in …
Yet another Qwt curve fitting issue - qtcentre.org
Web18 Dec 2004 · setWheelFactor (self, factor: float) ¶ Sets wheel zoom factor (should be greater than 1) Parameters. factor (float) – setupViewport ¶ sharedPainter ¶ showEvent ¶ … WebEffect picture. Qwt; Qcustomplot; QChart; Compare. Aesthetic aspect: Qcustomplot≈Qchart > Qwt; The interface of Qcustomplot is simple and generous; The Qchart interface is gorgeous and beautiful, and the mouse cannot be used at the lines drawn in QChart, so when the amount of data is large, it will cause the mouse to zoom and move the chart operation; golden eagle optimization algorithm
Блимаючий растровий шар QGIS із зменшенням масштабу та …
WebNAME¶. QwtMagnifier - QwtMagnifier provides zooming, by magnifying in steps. SYNOPSIS¶. #include Inherits QObject. Inherited by QwtPlotMagnifier.. Public Member Functions¶. QwtMagnifier (QWidget *) virtual ~QwtMagnifier () Destructor. QWidget * parentWidget () const QWidget * parentWidget const void setEnabled (bool) … Web8 Jan 2013 · void setWheelFactor(double factor) Sets wheel zoom factor (should be greater than 1) auto snappingUtils() const -> QgsSnappingUtils* Returns snapping utility class that is associated with map canvas. auto theme() const -> QString Returns the map's theme shown in the canvas, if set. void unsetMapTool(QgsMapTool* mapTool) WebsetMouseFactor (), setKeyFactor () void QwtMagnifier::setWheelModifiers (Qt::KeyboardModifiersmodifiers) Assign keyboard modifiers for zooming in/out using the … golden eagle of saladin