top

RGraph: Dynamic Charts Using JavaScript And HTML5 Canvas Tag

RGraph is a two sided JavaScript charts library that produces the charts dynamically with the JavaScript and the HTML5 canvas tag. It provides many features like Bar charts, line charts and pie charts through meters, progress bars and visualizations.RGraph is fast, interesting, effortless and freely for commercial use. Built on the widely supported canvas element desktop and mobile support is excellent and that allows you to create charts and dashboards that can use on a wide range of devices. Due to the rendering of the canvas tag, your charts can be faster than FLASH or SVG based libraries. This means you can develop creative and informative charts and dashboards.Some of the key features of RGraph- Simple to use.- Permissive GPL license (ie free to use for any purpose)- Capable of 50-60 different types of visualisation- 2D and 3D chart support- Great device support- Excellent performance- Import utilities for CSV files and Google Sheets- Extensive documentation, examples and learning resources.How to enable and clear annotation feature?Enabling annotations is a very simple, and consists of doing the following:myGraph.Set('chart.annotatable', true);You can simply clear the graph and redraw it:RGraph.Clear(myGraph.canvas); // Clear the graphmyGraph.Draw();               // Redraw itCanvas tag in HTML5 is a new HTML tag which is part of the HTML5 standard. It provides bitmap drawing which is controlled using JavaScript (i.e. you can draw using JavaScript), RGraph libraries used to draw the charts.The tag uses “fire and forget” drawing methodology – there is no DOM that is maintained, so if you want to make changes something you’ll probably have redraw the entire canvas.Other uses for include providing a control panel to your users and using it to create games. The traditional HTML based interface that uses for certain elements may be preferableBenefits of HTML5 canvas graphsHTML5 Canvas graph have some benefits and these are described below:Interactive features: It is fully interactive .It can respond to user’s any action like key clicks, mouse clicks or touch events Cross browser support: Canvas supports all major browsers (Chrome 4.0, Mozilla 2.0, and Opera 9.0) and can be accessed on a wide range of devices including desktops, tablets, and smartphones. Different kinds of graphs are supported: Can create a Data plots, Pie charts and Bar graphPlugins are not required:Adding Plugins will slow down the browser,when you are using javascript for graphs there is no need of adding pluginsPortability: It provides a great support for portability,i.e develop once and run every ,from large computers to mobile devicesGreat support for Animation :animation is done to all the objects drawn on canvas,Animations can be created of different levels like simple bouncing ball to inverse kinematics and complex forward.Flexibility:This tag is widely used by the developers ,It can be used for displaying lines,shapes,images etc -with or without animation.Adding Audio or video is very using canvas
Rated 4.0/5 based on 20 customer reviews
Normal Mode Dark Mode

RGraph: Dynamic Charts Using JavaScript And HTML5 Canvas Tag

Geneva Clark
Blog
18th Jul, 2016
RGraph: Dynamic Charts Using JavaScript And HTML5 Canvas Tag

RGraph is a two sided JavaScript charts library that produces the charts dynamically with the JavaScript and the HTML5 canvas tag. It provides many features like Bar charts, line charts and pie charts through meters, progress bars and visualizations.

RGraph is fast, interesting, effortless and freely for commercial use. Built on the widely supported canvas element desktop and mobile support is excellent and that allows you to create charts and dashboards that can use on a wide range of devices. Due to the rendering of the canvas tag, your charts can be faster than FLASH or SVG based libraries. This means you can develop creative and informative charts and dashboards.

Some of the key features of RGraph

- Simple to use.

- Permissive GPL license (ie free to use for any purpose)

- Capable of 50-60 different types of visualisation

- 2D and 3D chart support

- Great device support

- Excellent performance

- Import utilities for CSV files and Google Sheets

- Extensive documentation, examples and learning resources.

How to enable and clear annotation feature?

Enabling annotations is a very simple, and consists of doing the following:

myGraph.Set('chart.annotatable', true);

You can simply clear the graph and redraw it:

RGraph.Clear(myGraph.canvas); // Clear the graph

myGraph.Draw();               // Redraw it

Canvas tag in HTML5

Canvas> is a new HTML tag which is part of the HTML5 standard. It provides bitmap drawing which is controlled using JavaScript (i.e. you can draw using JavaScript), RGraph libraries used to draw the charts.The tag uses “fire and forget” drawing methodology – there is no DOM that is maintained, so if you want to make changes something you’ll probably have redraw the entire canvas.

Other uses for include providing a control panel to your users and using it to create games. The traditional HTML based interface that uses for certain elements may be preferable

Benefits of HTML5 canvas graphs

HTML5 Canvas graph have some benefits and these are described below:

Interactive features: It is fully interactive .It can respond to user’s any action like key clicks, mouse clicks or touch events

Cross browser support: Canvas supports all major browsers (Chrome 4.0, Mozilla 2.0, and Opera 9.0) and can be accessed on a wide range of devices including desktops, tablets, and smartphones.

Different kinds of graphs are supported: Can create a Data plots, Pie charts and Bar graph

Plugins are not required:Adding Plugins will slow down the browser,when you are using javascript for graphs there is no need of adding plugins

Portability: It provides a great support for portability,i.e develop once and run every ,from large computers to mobile devices

Great support for Animation :animation is done to all the objects drawn on canvas,Animations can be created of different levels like simple bouncing ball to inverse kinematics and complex forward.

Flexibility:This tag is widely used by the developers ,It can be used for displaying lines,shapes,images etc -with or without animation.Adding Audio or video is very using canvas

Geneva

Geneva Clark

Blog Author
Geneva specializes in back-end web development and has always been fascinated by the dynamic part of the web. Talk to her about modern web applications and she and loves to nerd out on all things Ruby on Rails.

Leave a Reply

Your email address will not be published. Required fields are marked *

SUBSCRIBE OUR BLOG

Follow Us On

Share on

other Blogs