CSS and PHP are used for WordPress coding and programming. We often have to use graphs, charts and data visualization tools which can make our work easier. Also, sometimes you need to explain complex data which is otherwise difficult to comprehend, but when they are shown through charts and graphs, they become extremely easy to understand and grasp. It becomes very important that the content you post on your website is understandable by the audience it is targeted on and for that purpose you can always make use of such graphs and charts and other data visualization tools.
The graphs, charts and other data visualization tools displayed in this article are all based on CSS and PHP framework. Unlike other charts and graphs which are imported and pasted onto an article, these graphs or charts are CSS based which means that they can blend in easily with the WordPress themes and the codes involved. This is in fact very useful because when you have to paste or apply any other graph or chart, you will have to upload it as a separate object but when you do the same using CSS based charts and graphs, they become a part of the article.
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Piegraph
This is a purely DHTML/ CSS based Pie Graph script. It loads fast and blends in with the rest of the page. You can even use a transparent background for it!
Vertical Bar Graph
It’s pretty much all positioning. Actually, once you figure out how you want the graph to look, figuring out how to position things is fairly simple. The (comparatively) hard part is in figuring out how to calculate the heights of the various vertical bars and the horizontal “strata”.
Simple bargraph
A graph using CSS and PHP is not very common but creating a graph like this is not that difficult. This technique has the following 2 advantages:
- No graphics library is required on the server.
- This technique doesn’t require much of calculation (because options like padding and margins are built into css), thats why it is easy to understand.
Stacked bargraph
To design the stats feature of Backbone, our Ruby on Rails CMS, we needed to show a stacked bar graph of page views vs unique visitors. I looked around for a sample of how others did stacked bar graphs and came up empty handed.
Sandwich graph
When each bar in bar graph is splitted to a few layers sandwich graph can be created. While total height of columns indicates global trend, the height of single layer (usually in varied color) indicates portion or share of this layer. For example total trend sales and regions, or brands share.
Production plan graph
Here described graph is used in intranet applications Production Plan and Production Reports. Schematic diagram for basic graph principle explanation at first.
Multigraph
This line graph is done completely using DHTML and CSS! Unlike an applet based solution, this loads fast and blends in with the rest of the page. You can even use a transparent background for it!
Horizontal bargraph
I covered the vertical column graphs in detail previously. We can also use CSS to draw bar graphs that are oriented horizontally. For this type of graph, I wrote a new class called “horizontalgraph” and made the code flexible by specifying the height of the graph from the markup.
Dynamic live CSS graph
Here is live demo of dynamic CSS bar graph, which reads data from web server by help of Ajax functions, description of HTML, CSS and JavaScript code for data transmition, data representation and graph sliding. Graph displays response time of ping executed by web server.
Downtime graph
This graph comes from application Downtime. At the beginning there was a problem how to display long time interval on limited screen area and keep transparent layout of events. In the end I picked out monthly calendar paradigma.
Column bargraph
A graph is a visual aid that reveals the behaviour of quantities better and more successfully than a set of written numbers. Bar graphs use a horizontal or vertical rectangular bar instead of points to graph quantities.
Bulletgraph
If you search the web for methods of rendering a bullet graph.
(invented by author Stephen Few of Perceptual Edge), you can find javascript or Google Charts implementations. However, I’ve found those options don’t work in a wide enough range of programming scenarios.
Multicolumn lists
The ideal situation, in my view, would be a single XHTML list whose wrapping is controlled entirely by CSS. Further, the wrapped list should tolerate text resizing (easily accomplished by styling everything in ems).
Mgraph
For one of my projects, i needed simple graph to represent data for a single year by months.
I came up with this solution, and decided to make free version.
Simple Linegraph
This is a purely DHTML/ CSS based Line Graph script. It loads fast and blends in with the rest of the page. You can even use a transparent background for it!
Pure CSS Linegraph
I often think about ways to visualize data using pure css. A while ago I wrote an article about pure css bar graphs, but what puzzled me lately was a solution for doing line graphs using nothing but css.
Datachart
Data visualization is mostly achieved with flash applications or with help of some programming languages. Are those solutions the only way to present, let’s say simple data chart? How about giving it a try with nothing but good ol’ css?
In this example I am not using JavaScript or any backend application. All I rely on is well formed markup and css.
Vertical barchart
Who wants to use Excel to make a new graph each week? Using CSS and PHP you can create attractive bar graphs (yes, even the stacked kind) that are always up to date.
Maxdesign
Creating a graph using percentage background images.
The images used in this demo are freely available as a zip file.
Percentage Bargraph
Having a working knowledge of XHTML and CSS when developing applications is a big help in knowing what can be done client-side and what should be generated server-side.
Recently we’ve had to tackle some interesting visualizations which we coded in XHTML and CSS. The method we used, while fairly simple, was a big help to the engineer and created a very flexible and inexpensive solution.
CSSplay
The above bar charts do not reflect the usage on this site, which suprisingly is visited more by Gecko based browsers than IE6.
These charts are nothing more than a styled definition list with just classes defining each line.
Horizontal Barchart
Below is an overview of banana imports for top importing countries. Source: Food and Agricultural Organization 1998.
Scrollable CSS Table
Pure CSS Scrollable Table with Fixed Header. Using CSS to allow scrolling within a single HTML table.
Slickmap
SlickMap CSS is a simple stylesheet for displaying finished site maps directly from HTML unordered list navigation. It’s suitable for most web sites – accommodating up to three levels of page navigation and additional utility links – and can easily be customized to meet your own individual needs, branding, or style preferences.
CSS Timeline
I wanted to build a CSS timeline for the “About” section of my site while using some clean and simple markup. I wanted to avoid using images as much as possible, so I spent a few minutes prototyping some options and came up with a solution using unordered lists. In this article I’ll share my approach to creating a timeline out of CSS and HTML which results in a nice looking, simple timeline.
Animated Progress bar
We’ll put a cool background image in the container and define fixed width and height. First child (SPAN) will act as a progress bar. We’ll absolutely position second child (EM) above the progress bar and shift it to the left to a desired value. EM has the same background as the container so it gives an effect of progress bar stopping at certain percentage.
Visual CSS Maps
As companies like Google and Yahoo! have simplified the process of placing information on a map by offering web services/APIs, the popularity and abundance of mapping applications on the web has increased dramatically. While these maps have had a positive effect on most users, what does it mean for people with accessibility needs?
Plotkit Piechart
PlotKit is a Chart and Graph Plotting Library for Javascript. It has support for HTML Canvas and also SVG via Adobe SVG Viewer and native browser support.
PlotKit is fully documented and there is a quick tutorial to get you started.
PlotKit is a complete rewrite of CanvasGraph. It is better structured and supported.
