What is LiveGraph and How to Download It for Free

LiveGraph Download: How to Plot and Explore Your Data in Real-Time

If you are looking for a tool that can help you visualise, analyse and log your data in real-time, you might want to check out LiveGraph. LiveGraph is a framework for real-time data visualisation, analysis and logging that can plot graphs of your data while it is still being computed by your application. In this article, we will show you what LiveGraph is, how to download and install it, how to use it and how to integrate it with your application.

What is LiveGraph?

LiveGraph is a framework for real-time data visualisation, analysis and logging that was developed in the academic domain and is being used for research on daily basis. Being open source, LiveGraph is absolutely free. Here are some of its distinctive features:

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A framework for real-time data visualisation, analysis and logging

LiveGraph consists of three major components:

• A real-time plot suite that reads the LiveGraph data file (or any other CSV file) and plots the data series contained therein on the screen.

• An open data file standard that defines a simple CSV-style format for data files containing transferable data logs.

• Several integration APIs that allow creating LiveGraph compatible value files in any programming language and handling data logging and persistency issues for Java applications.

Distinctive features of LiveGraph

A real-time plotter that can automatically update graphs of your data while it is still being computed by your application

LiveGraph can automatically re-examine the data file at short time intervals (anything between 100 Hz and once per hour) and update the graphs on the screen in real-time. By using specialised caching techniques, LiveGraph uses only very few computational resources for the updates, even if the data file grows very large and fast.

A concise and simple point-and-click interface that allows quickly selecting and comparing data series even in applications that output over 1000 series simultaneously

LiveGraph has an incredibly efficient user interface optimised for 100s of data series. While many plotters trade off powerful functions for a complex, slow-to-use user interface, LiveGraph offers only a few data transformation functions, but makes them available via a concise and simple point-and-click interface. You can select and compare data series by simply clicking on the legend window, and transform them by using the buttons on the legend window.

A transformation of data series for visual comparison by the virtue of a single click

LiveGraph allows you to transform the data series on the graph by applying various mathematical operations, such as scaling, shifting, inversion, differentiation, integration, logarithm, exponentiation and more. You can also apply custom functions that you define yourself. The transformations are applied on-the-fly and do not affect the original data file. You can easily switch between the original and the transformed data series by clicking on the legend window.

A Java-based framework that can run on any computer system and is easily integrated with applications written in any programming language

LiveGraph is written in Java and can run on any computer system that supports Java. It does not require any installation or configuration. You can simply download the LiveGraph jar file and run it from any location. LiveGraph can also be integrated with applications written in any programming language, as long as they can produce a LiveGraph compatible data file. LiveGraph also provides a Java API that can handle data logging and persistency issues for Java applications.

How to download and install LiveGraph?

Downloading and installing LiveGraph is very easy and straightforward. Here are the steps you need to follow:

Download LiveGraph from SourceForge or CNET

You can download LiveGraph from either SourceForge or CNET. Both sites offer the latest version of LiveGraph as a jar file that contains all the necessary components. The file size is about 1 MB. You can use the following links to download LiveGraph:

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Install LiveGraph on your computer system

LiveGraph does not require any installation or configuration. You can simply save the jar file to any location on your computer system and run it from there. You can also create a shortcut to the jar file for easier access.

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Run LiveGraph and select a data file to plot

To run LiveGraph, you need to have Java installed on your computer system. If you do not have Java, you can download it from . To launch LiveGraph, you can either double-click on the jar file or use the command line: java -jar LiveGraph.jar. Once LiveGraph is running, you will see its main window with an empty graph area. To plot your data, you need to select a data file that contains your data logs in the LiveGraph format or any other CSV format. You can use the File menu to open a data file or drag and drop it onto the graph area.

How to use LiveGraph?

Using LiveGraph is very intuitive and simple. Here are some of the basic steps you need to follow:

Explore the user interface of LiveGraph

The user interface of LiveGraph consists of four main parts:

The main window with the graph area, the legend window, the settings window and the status bar

The main window is where you can see your graphs of your data series. The graph area is where the graphs are drawn. You can zoom in and out by using the mouse wheel or the buttons on the status bar. You can also pan by dragging with the mouse or using the arrow keys. The legend window is where you can see the names and colors of your data series. You can select and compare data series by clicking on them or using Ctrl+click for multiple selection. You can also transform data series by using the buttons on the legend window. The settings window is where you can change various options for your graphs, such as axes labels, scales, ranges, colors, fonts, grid lines, markers and more. You can show or hide the settings window by using the View menu or the button on the status bar. The status bar is where you can see some information about your data file, such as the file name, the number of data series, the number of data points and the update frequency. You can also use the buttons on the status bar to zoom, pan, refresh and save your graphs.

The menu bar with the file, view, tools and help options

The menu bar is where you can access various functions and options for LiveGraph. The File menu allows you to open, close, save and export your data files and graphs. The View menu allows you to show or hide the legend window, the settings window and the status bar. The Tools menu allows you to access some advanced features of LiveGraph, such as data file converter, data file merger, data file generator and data file validator. The Help menu allows you to access the user manual, the online documentation, the examples and tutorials and the about dialog.

Plot and update your data in real-time

Once you have selected a data file to plot, you can see your graphs of your data series on the graph area. You can also see the names and colors of your data series on the legend window. LiveGraph will automatically update your graphs as your data file changes in real-time. You can also manually refresh your graphs by using the Refresh button on the status bar or pressing F5. Here are some of the things you can do with your graphs:

Select the data series to display by clicking on the legend window

You can select which data series you want to display on your graphs by clicking on their names or colors on the legend window. You can select multiple data series by using Ctrl+click or Shift+click. You can also select all or none of the data series by using Ctrl+A or Ctrl+N. The selected data series will be highlighted on the legend window and drawn on the graph area.

Change the graph layout and appearance by using the settings window

You can change various options for your graphs by using the settings window. You can show or hide the settings window by using the View menu or the button on the status bar. The settings window has several tabs that allow you to change different aspects of your graphs, such as axes labels, scales, ranges, colors, fonts, grid lines, markers and more. You can apply your changes by clicking on the Apply button or pressing Enter. You can also reset your changes by clicking on the Reset button or pressing Esc.

Transform the data series by using the buttons on the legend window

You can transform the data series on your graphs by using the buttons on the legend window. The buttons allow you to apply various mathematical operations to your data series, such as scaling, shifting, inversion, differentiation, integration, logarithm, exponentiation and more. You can also apply custom functions that you define yourself. The transformations are applied on-the-fly and do not affect the original data file. You can easily switch between the original and the transformed data series by clicking on the legend window. The transformed data series will have a different color and a suffix indicating the transformation applied.

Save and export your graphs as images or CSV files

You can save and export your graphs as images or CSV files by using the File menu. You can save your graphs as PNG, JPEG, GIF or BMP images by using the Save Graph As Image option. You can also export your graphs as CSV files by using the Export Graph As CSV option. The exported CSV files will contain the data series that are currently displayed on the graph area.

How to integrate LiveGraph with your application?

LiveGraph can be integrated with any application that can produce a LiveGraph compatible data file. LiveGraph also provides a Java API that can handle data logging and persistency issues for Java applications. Here are some of the ways you can integrate LiveGraph with your application:

Use the LiveGraph data file format to store your data logs

The LiveGraph data file format is a simple CSV-style format that defines how to store data logs in a text file. The format consists of three parts: a header, a separator and a body. The header contains some meta-information about the data file, such as the number of data series, the names of the data series and the update frequency. The separator is a line that separates the header from the body. The body contains the actual data logs, one line per data point. Each line consists of a timestamp followed by the values of the data series separated by commas. You can find more details about the LiveGraph data file format in the user manual or the online documentation.

Use the LiveGraph API for Java applications to handle data logging and persistency issues

If you are developing a Java application, you can use the LiveGraph API to handle data logging and persistency issues for your application. The LiveGraph API consists of several classes and interfaces that allow you to create, write, read and manage LiveGraph compatible data files in Java. You can also use the LiveGraph API to launch and control LiveGraph from your Java application. You can find more details about the LiveGraph API in the user manual or the online documentation.

Use the examples and tutorials provided by LiveGraph to learn how to use it with different programming languages and applications

LiveGraph provides several examples and tutorials that show you how to use it with different programming languages and applications. You can find them in the examples folder of the LiveGraph jar file or on the SourceForge website. The examples and tutorials cover various topics, such as how to create a LiveGraph compatible data file in C++, Python, Matlab or R, how to use LiveGraph with Arduino, Raspberry Pi or LabVIEW, how to use LiveGraph with Excel, SPSS or SAS, and more.

Conclusion

LiveGraph is a framework for real-time data visualisation, analysis and logging that can plot graphs of your data while it is still being computed by your application. It has many distinctive features, such as a real-time plotter, a concise and simple point-and-click interface, a transformation of data series and a Java-based framework. It is easy to download, install and use LiveGraph. It can also be integrated with any application that can produce a LiveGraph compatible data file. If you want to plot and explore your data in real-time, you should definitely give LiveGraph a try.

FAQs

• What are the system requirements for LiveGraph?

LiveGraph requires Java 8 or higher to run. It can run on any computer system that supports Java, such as Windows, Linux or Mac OS.

• How much does LiveGraph cost?

LiveGraph is absolutely free. It is an open source project licensed under GNU GPL v3.

• Where can I get support for LiveGraph?

You can get support for LiveGraph by visiting its website, SourceForge page or CNET page. You can also contact its developers by email at livegraph@livegraph.org.

• How can I contribute to LiveGraph?

You can contribute to LiveGraph by reporting bugs, suggesting features, providing feedback, writing documentation, creating examples or tutorials, translating LiveGraph into other languages or donating money.

• What are some alternatives to LiveGraph?

Some alternatives to LiveGraph are Plotly, Matplotlib, Gnuplot, Grapher or Origin.

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