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 Image Manipulation Listings |
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15 | Displaying: 1 - 10 | Pages: 12 |
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GIS Mapping with PHP
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There are a number of great online GIS ( Geographic Information System ) solutions out there, ranging from Mappoint to Mapquest to some cool PHP projects. However, it is still nice to be able to plot your own data and put some basic mapping utilities on your site with a minimum of fuss and bother. Over the next couple of articles I will hopefully be able to give you a few pointers on how to create your own basic GIS system for free. I do not claim to be a GIS expert, and there may be better ways to do things, but hopefully these articles will give you a start in the right direction...
 Updated: 02/16/2004
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GIS Mapping with PHP; Part Two
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In my previous article I described a very simple method of plotting longitude and latitude coordinates onto a drawn map of the world. With a very small amount of work modifying the script in the article - adding a FOR loop and some database code ) you could quite easily come up with a system like www.geoURL.com ...
Updated: 02/16/2004
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Resizing Images with PHP and Mogrify
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One of the challenges for any web development team is creating systems that are technically robust while still being intuitive to users. It`s especially important to keep in mind the level of technical proficiency of the intended users of the system. We were reminded of this crucial truism shortly after the initial launch of a site we recently built...
Updated: 02/16/2004
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HTML_Graphs
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When I compiled PHP on my LinuxPPC box, I didn`t have GD installed and didn`t want to add another layer of complexity by compiling it in. GD will let you do all kinds of cool things - creating gifs, complex charts, etc, if you use libraries from the Sample Code Archive here on this site and PHP`s built in functionality...
Updated: 02/16/2004
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A Short Intro to GD
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In the following tutorial I`ll show you a peek at the power of coupling GD with PHP to create a basic button. The GD extension is more or less an addon for PHP to allow for image manipulation and creation and has to be compiled in when you compile PHP and the rest of the software. The GD extensions currently support PNG and JPEG image formats, as GIF support was removed in version 1.6 because of legalities dealing with the GIF format...
Updated: 02/14/2004
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GD Library
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This tutorial is for users who are trying to get a good introduction about the PHP GD functions. This tutorial focuses on basic configuration and programming. So, if you want to learn and try some of those functions then go ahead reading...
Updated: 02/14/2004
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Introduction to JPGraph (Part I)
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I am sure you must have heard about JPGraph. 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...
Updated: 02/14/2004
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Creating Thumbnail using GD Library
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I guess the GD library tutorial must have given you a basic knowledge about creating images using PHP. This tutorial is an extension of that. You will be learning to create thumbnail images using GD library. If you aren’t familiar with GD library I would recommend you to have a look at the GD library tutorial...
Updated: 02/14/2004
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Introduction to JPGraph (Part II)
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Hi freaks, hope the introduction to JPGraph helped you to get a good start. In this part II tutorial we will be dealing with Pie Charts. We will be considering the sample example with we saw in the part I. If you haven’t had a look just do it right now before we begin...
Updated: 02/14/2004
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Graphing with PHP and MRTG
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MRTG is a utility written by Tobias Oetiker used to create graphs that represents a live visualization of data. The most common use is graphing network traffic at the router, but as you will soon learn, MRTG is a powerful tool that can be used to graph anything. In this example, we will be graphing the number of members on our website. In reality, this is actually just a number in a MySQL database, so if you wanted to graph other things, this example is very portable...
Updated: 02/14/2004
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