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PHPHacks.com:
Creating charts with JGraph
September 18, 2006 @ 07:41:42

PHPHacks.com has posted a new tutorial about one of the more requested features when working with a dyanmic scripting languages - creating graphs. They show how to do it with the help of JPGraph, a popular PHP graphing package.

JPGraph is an Object Oriented graph library, which can help you to draw graphs. The real advantage in using JPGraph is its simplicity. Creating a graph at runtime may sound complex! But JPGraph class has been designed in such a way that they hide the complex part from the user. Few lines of coding can create amazing graphs, which you can never think of.

The first step would be to download the JPGraph include files. This can be found at (http://www.aditus.nu/jpgraph/).Extract all the contents to a folder and put it in a safe place. We will refer these libraries whenever needed.

They start off looking at some of the features JPGraph provides, from some of the most basic out to the complex (like user-specified position of axis and rotation of linear graphs). Following that, it's out to the code - the creation of a simple database to pull the statistics from and the code to make a bar graph out of it, complete with the explaination of what each line does.

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ThinkPHP Blog:
Creating press-ready PDF documents on the fly including individual barcodes
July 08, 2006 @ 07:25:37

In this new post on the ThinkPHP blog, Jason Easter demonstrates how, with the help of the PDFlib library for PHP, you can create "press-ready PDF documents" whenever you need to (including barcodes).

Often people would like to create a PDF in offset quality out of a big bunch of addresses and create a barcode for each address. Sure, you could do this using the serial-letter-function in Word or any PHP library - the problem is that you have to stick to special standards, e. g. using CMYK colorspace and the like.

There may be other good solutions for that. Anyway, now let's talk about doing that by using PDFLib - in the lite (and therefor free) version.

His example uses the "lite" version of the library and JPGraph to create the barcodes. They create the barcode first (from a value passed in the $_GET string), then insert it into the PDF defined by the code they provide. They even show how to add additional text and an image to round out the look of the newly minted PDF.

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pdf dynamic press-ready barcodes tutorial pdflib jpgraph pdf dynamic press-ready barcodes tutorial pdflib jpgraph



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