JKQtPlotter/examples

Example (JKQTPlotter): Examples & Tutorials

This section assembles some simple examples of usage. You can find more (complex) examples for the classes in this repository in the subfolder "test". All test-projects are Qt-projects that use qmake to build. You can load them into QtCreator easily.

Different Plot Data Styles

Screenshot	Description	Notes
	Very Basic Example (Line Graph)	JKQTPXYLineGraph C++-style QVector arrays of data
	Line Graph with Live Data / Speed Test	JKQTPXYLineGraph external std::array<double,N> data, not owned by datastore live-data, measure plotting speed tipps to increas plotting speed
	Line Graph with Different Symbols and Line Styles	JKQTPXYLineGraph C++ vector of data setting line styles and symbol styles automatic graph coloring
	Special Step Line Plots in Different Styles	JKQTPSpecialLineHorizontalGraph C++ vector of data different step modes, filled and line-only
	Simple Line/Symbol Graph With Errorbars	JKQTPXYLineErrorGraph C-style arrays of data
	Different Types of Error Indicators	JKQTPXYLineErrorGraph different styles of error indicators for x- and y-errors C++-style QVector for data styling error indicators moving key and formatting plotter grid
	Simple Bar Charts	JKQTPBarVerticalGraph C-style arrays of data
	Stacked Bar Charts	JKQTPBarVerticalStackableGraph, JKQTPBarHorizontalStackableGraph C++-style vectors of data
	Filled Curve Plots	JKQTPFilledCurveXGraph/JKQTPFilledCurveYGraph setting/altering data in JKQTPDatstore directly transparent plots calculating histograms
	Wiggle Plots	JKQTPFilledCurveXGraph/JKQTPFilledCurveYGraph setting/altering data in JKQTPDatstore directly data-dependent coloring random-walks seismographic data
	Impulse Plots	JKQTPImpulsesVerticalGraph and JKQTPImpulsesHorizontalGraph C++-style QVector as plot data
	Scatter Graph with Parametrized Symbols/Colors	JKQTPXYParametrizedScatterGraph C++-style QVector as plot data modify scatter/points/line-graph properties by data
	Draw an Artistic Image with a Parametrized Scatter Graph	JKQTPXYParametrizedScatterGraph C++-style QVector as plot data rectangular arrangement of scatters generative computer graphics
	Plotting Parametric Curves	JKQTPXYLineGraph and JKQTPXYParametrizedScatterGraph C++-style QVector as plot data parametric curve plotting
	Plotting Mathematical Functions as Line Graphs	JKQTPXFunctionLineGraph diretly plotting C/C++-functions
	Plotting Parsed Mathematical Functions as Line Graphs	JKQTPXParsedFunctionLineGraph plotting functions with the internal math equation parser/evaluator
	Plotting Parametric Mathematical Curves as Line Graphs	JKQTPXYFunctionLineGraph
	Plotting Box Plots	JKQTPBoxplotVerticalGraph, JKQTPBoxplotHorizontalGraph
	Plotting Violin Plots	JKQTPViolinplotVerticalElement, JKQTPViolinplotHorizontalElement

Geometric Plot Objects and Annotations

Screenshot	Description	Notes
	Plotting Geometric Objects
	Plotting Arrows
	Demo-Plots of Geometric Objects for Documentation

Styling the Plot, Keys, Axes, ...

Screenshot	Description	Notes
	logarithmic axes	JKQTPXYLineGraph and JKQTPGeoText C++ vector of data logarithmic axes and styling plot line styles internal LaTeX parser add commenting text to a graph
	date/time axes	JKQTPXYLineGraph and JKQTPFilledVerticalRangeGraph C++ vector of data date/time axes plot min/max range graph internal LaTeX parser data from CSV files
	advanced line and fill styling	JKQTPXYLineGraph, JKQTPSpecialLineHorizontalGraph and JKQTPBarVerticalGraph C++ vector of data advanced line styling and filling
	Styling of Boxplots	Modifying different Aspects of the Styling of boxplots
	Styling of JKQTPlotter	Modifying different Aspects of the Styling of JKQTPlotter

Image data Plots

Screenshot	Description	Notes
	QImage as a Graph	JKQTPImage QImage drawn onto a plot with arbitrary scaling inverted coordinate axes
	Basic 1-channel Raw C Image Plot	JKQTPColumnMathImage image data copied from C-style row-major array into a single column of the internal datastore Describes several options of the image plotting classes (different ways of color coding, what to do with data above/below the limits etc.)
	Image Plots with User-Defined Palettes	JKQTPColumnMathImage user-defines palettes palettes from files
	Modifier-Feature of Image Plots	JKQTPColumnMathImage image data copied from C-style row-major array into a single column of the internal datastore Image is modified by a second image to display two data dimensions at the same time
	Basic 1-channel Raw C Image Plot without the internal datastore	JKQTPMathImage image data in a C-style row-major array, not using internal datastore
	Simple 3-channel Math RGB/CMY Image Plot	JKQTPColumnRGBMathImage image data in a C-style row-major array, not using internal datastore RGB/CMY color compositing
	1-channel OpenCV cv::Mat Image Plot	JKQTPColumnMathImage image data copied from OpenCV cv::Mat-structure into a single column of the internal datastore
	RGB OpenCV cv::Mat Image Plot	JKQTPColumnRGBMathImage image data copied from OpenCV cv::Mat-structure into three columns inverted coordinate axesof the internal datastore
	1-channel CImg Image Plot	JKQTPColumnMathImage image data copied from cimg CImg<T>-structure into a single column of the internal datastore
	RGB cimg Image Plot	JKQTPColumnRGBMathImage image data copied from CImg image datastructure into three columns inverted coordinate axesof the internal datastore
	Contour Plots	JKQTPColumnContourPlot image data edited inside JKQTPDatastore

GUI Tools

Screenshot	Description	Notes
	Placing JKQTPlotter into a Qt User-Interface-XML-file (*.ui)	using Qt Form Designer parsed function plots (JKQTPXParsedFunctionLineGraph)
	User Interaction	different possibilities of user-interaction in JKQtPlotter

Data Management & Statistics (Tutorials)

Screenshot	Description	Notes
	Tutorial: Basic Usage of JKQTPDatastore	Basic Data Management with JKQTPDatastore Copying data into a JKQTPDatastore Editing data inside a JKQTPDatastore Editing Image Data in a JKQTPDatastore
	Tutorial: Iterator-based access to JKQTPDatastore	Iterator-based Data Management with JKQTPDatastore
	Tutorial: Advanced 1-Dimensional Statistics with JKQTPDatastore	Advanced 1-Dimensional Statistical Computation with JKQTPDatastore using the internal statistics library basic statistics (mean, standard deviation, ...) boxplots histograms kernel density estimates (KDE)
	Tutorial: Regression Analysis (with the Statistics Library)	Advanced 1-Dimensional Statistical Computation with JKQTPDatastore using the internal statistics library Regression Analysis (with the Statistics Library) robust regression (IRLS) weighted regression non-linear regression polynomial fitting
	Tutorial: 1-Dimensional Group Statistics (with the Statistics Library)	Advanced 1-Dimensional Statistical Computation with JKQTPDatastore grouped statistics error indicators from data boxplots
	Tutorial: Advanced 2-Dimensional Statistics with JKQTPDatastore	Advanced 2-Dimensional Statistical Computation with JKQTPDatastore using the internal statistics library histograms kernel density estimates (KDE)

More Complex Examples

Screenshot	Description	Notes
	Layouting Several Plots	Combining plots in Qt Layouts linking plot axes copy data from a std::map int the datastore print plots/print preview
	Plotting a Statistical Distribution of Data	Combines several different graphs to draw random values, their distribution and some statistical properties
	Mandelbrot Set Explorer	Allows to zoom into the Mandelbrot Set, using the different Zooming methods of JKQTPlotter

Tools and Special Features

Screenshot	Description	Notes
	JKQTMathText: Simple Demonstration
	JKQTMathText: Command-Line Utility
	JKQTMathText: Full Testing Application
	JKQTFastPlotter: Example

CMake Build System

Screenshot	Description	Notes
	CMake Example Linking Against JKQTPlotter	explains how to link against JKQTPlotter with CMake