Qwt User’s Guide – Qwt Python

Di: Everly

Qwt User's Guide: Dials, Compasses, Knobs, Wheels, Sliders, Thermos

QwtPlot is a widget for plotting two-dimensional graphs. An unlimited number of plot items can be displayed on its canvas. Plot items might be curves (QwtPlotCurve), markers

Qwt User’s Guide: Class List

Constructor The value is set to 0.0, the interval is invalid . Definition at line 41 of file qwt_samples.h. QwtIntervalSample() [2/3]

QwtPlotCurve gets its points using a QwtData object offering a bridge to the real storage of the points ( like QAbstractItemModel ). There are several convenience classes derived from

The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background. Beside a 2D plot widget it provides scales,

A transformation between coordinate systems. QwtTransform manipulates values, when being mapped between the scale and the paint device coordinate system.. A transformation consists

QwtPicker is useful for widgets where the event handlers can’t be overloaded, like for components of composite widgets. It offers alternative handlers for mouse and key events. connect(picker,

Qwt User’s Guide: QwtPainter Class Reference
Qwt User’s Guide: QwtPlotZoomer Class Reference
Qwt User’s Guide: QwtScaleWidget Class Reference

Qwt User’s Guide: INSTALL

Qwt is distributed under the terms of the Qwt License, Version 1.0. Mailing list For all kind of Qwt related questions there is a Qwt mailing list. Supported platforms Qwt 5.x might

QTqwt-5.2.0详细讲解教程.pdf,Qwt User’s Guide Reference Manual 5.2.0 Generated by Doxygen 1.5.0 Sun Mar 22 16:44:05 2009 CONTENTS 1 Contents 1 Qwt – Qt

Create a symbol for special values. Usually the symbols for displaying a bar are set by setSymbols() and common for all sets. By overloading specialSymbol() it is possible to create a

A scale engine for linear scales. The step size will fit into the pattern , where n is an integer.. Definition at line 151 of file qwt_scale_engine.h.

F.e MSVC with nmake: qmake qwt.pro nmake If you didn’t enable autobuilding of the examples in qwtconfig.pri you have to build the examples this way: cd examples nmake

QwtThermo is a widget which displays a value in an interval. It supports: an alarm level. By default, the scale and range run over the same interval of values.

Enumerator; NoSymbol No Style. The symbol cannot be drawn. Ellipse Ellipse or circle. Rect Rectangle. Diamond Diamond. Triangle Triangle pointing upwards.

Qwt User’s Guide: QwtPlotRescaler Class Reference

Symbolic mouse input codes. QwtEventPattern implements 3 different settings for mice with 1, 2, or 3 buttons that can be activated using initMousePattern().The default setting is for 3 button

A class representing an interval. The interval is represented by 2 doubles, the lower and the upper limit. Definition at line 22 of file qwt_interval.h.

QwtPlotItem is simply a virtual interface class, and base classes will implement this method with specific rtti values so a user can differentiate them. The rtti value is useful for environments,

The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background. Beside a framework for 2D plots it provides scales,

Curve Plots. Generated by 1.10.0 1.10.0

Qwt User’s Guide: QwtPlotPicker Class Reference

Here are the classes, structs, unions and interfaces with brief descriptions:

Introduction ===== Qwt uses qmake to build all its components and examples. qmake is part of a Qt distribution. qmake reads project files, that contain the options and rules

Installing Qwt is done in 3 steps, that are quite common on UNIX systems. In the build step binaries are built from the source files. The installation copies and rearranges all files that are

QwtPlotZoomer is tailored for plots with one x and y axis, but it is allowed to attach a second QwtPlotZoomer ( without rubber band and tracker ) for the other axes.. Note The realtime

Dials, Compasses, Knobs, Wheels, Sliders, Thermos. Generated by 1.10.0 1.10.0

A class representing a text. A QwtText is a text including a set of attributes how to render it.. Format A text might include control sequences (f.e tags) describing how to render it. Each

The counter is initialized with a range is set to [0.0, 1.0] with 0.01 as single step size. The value is invalid. The default number of buttons is set to 2.

Detailed Description. A 2-D plotting widget. QwtPlot is a widget for plotting two-dimensional graphs. An unlimited number of plot items can be displayed on its canvas. Plot

for monotonic curves: using a binary search algo. QwtPlotIntervalCurve::TubeAsLines mode added. A performance optimization. for rendering huge datasets.

En/Disable line splitting for the raster paint engine. In some Qt versions the raster paint engine paints polylines of many points much faster when they are split in smaller chunks: f.e all

QwtDial class provides a rounded range control.. QwtDial is intended as base class for dial widgets like speedometers, compass widgets, clocks

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