By Dominic Gélineau Peter Backx
«A photo is worthy one thousand phrases» hasn't ever been truer than while representing huge units of knowledge. Bar charts, warmth maps, cartograms, and plenty of extra became vital instruments in functions and shows to speedy supply perception into advanced issues.
The «ActionScript Graphing Cookbook» exhibits you the way so as to add your personal charts to any ActionScript software. The recipes supply step by step directions on tips on how to technique the enter facts, the right way to create a variety of kinds of charts and the way to lead them to interactive for much more person engagement.
Starting with simple ActionScript wisdom, you are going to improve many differing types of charts.First the right way to import your info, from Excel, internet prone and extra. subsequent approach the knowledge and make it prepared for graphical reveal. decide one of many many graph techniques on hand because the publication courses you thru ActionScript’s drawing features. And while you’re prepared for it, department out into 3D display.
What you'll research from this booklet :
• Import info from a number of sources
• arrange a number of the visible components of a graph
• Draw many sorts of charts, resembling bar, line and pie charts, meters and plenty of more
• Make graphs interactive with hover and zoom effects
• paintings with geographical information and maps
• Animate graphs with actual time data
• convey and have interaction with community displays
• detect 3 dimensional drawing and graphing
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Extra info for ActionScript Graphing Cookbook
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It will give you more insight into the code. The result will be used in the next recipes. Using points to draw functions There are many ways to draw a function. One thing you may have thought about using is the drawPoint method, just placing many points. You can quite easily adapt the program to do this. However, you'll notice you need quite a lot more points to obtain the same result. Curves The ActionScript Graphics class can also draw so called Bézier curves with the curveTo method. You'll only need two well-chosen curves to get a very convincing result.
DrawPoint(graph2d[i], graph2d[i], 0x3399ff); } This structure does have one problem: it's not easy to manipulate the data. You may want to change the data, for instance, if this was connected to live web statistics that are updated every minute (we'll see more on that in the next chapter). Say you want to change the point (150,150) to (150,200). How would you do that? You need to loop over the array and find the correct entry and change it. However, searching this way in a large array can become slow quite quickly.
ActionScript Graphing Cookbook by Dominic Gélineau Peter Backx