By Damian Dawber
Over 70 code examples to create vector images and knowledge visualizations!
Overview
• Create notable vector pix and knowledge visualizations on your browser;
• upload animation and interactivity on your internet applications;
• paintings with local SVGs to create advanced vector graphics;
• enhance cross-browser vector photographs solutions.
In Detail
Raphaël is a phenomenal library that makes drawing vector portraits within the browser straight forward. It boasts a lot of equipment that facilitate drawing and animating photos, permitting builders to create versatile, interactive internet functions and knowledge visualizations.
Learning Raphaël JS Vector Graphics takes you from being an entire vector images beginner to an comprehensive vector portraits developer. jam-packed with illustrations and code demos, this e-book covers a wide range of innovations and takes you thru them by way of instance. The Raphaël library is roofed intimately and within the context of its real-world applicability.
This publication seems to be on the strong vector photographs drawing library, Raphaël, and the way you could put it to use to attract vector pix and create interactive internet purposes with ease.
You will the best way to draw advanced vector pix and the way to rework, animate, and have interaction with them. we'll additionally examine operating with current vector pictures so as to add an additional layer of complexity to our functions, and finally end up via making a sequence of knowledge visualization demos. with a view to how to create beautiful, interactive photographs and information visualizations, then this is often the booklet for you.
Learning Raphaël JS Vector Graphics is packed packed with illustrations and has over 70 demos to truly hammer domestic the techniques covered.
What you'll research from this book
• find out how to paintings with latest SVGs to create complicated vectors;
• get to grips with the SVG specification for developing advanced drawings and the Raphaël JavaScript library;
• familiarize yourself with tips on how to create advanced vector drawings utilizing paths;
• upload person interactivity on your applications;
• tips on how to observe modifications to vector graphics;
• Create wonderful animations to carry your vector drawings to life.
Approach
A step by step advisor to knowing the rules underlying vector drawing, utilizing illustrations and code demos in addition to interactive maps to totally make the most the JavaScript library to create an information visualization widget.
Who this booklet is written for
Learning Raphaël JS Vector Graphics has been written for someone with an curiosity in frontend browser applied sciences with very little wisdom of vector images drawing. Designers, integrators, frontend builders, and information visualization builders gets whatever out of interpreting this e-book. The e-book assumes wisdom of HTML and CSS and a operating familiarity with JavaScript.
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Additional info for Learning Raphaël JS Vector Graphics
Example text
A JavaScript identifier is a word that contains only letters, numbers, $, and _, and that doesn’t start with a number. Variables are a great demonstration of how statements and expressions can be combined. You use a variable declaration statement to create a variable. var myVariable; If you already have a variable, you can use a variable assignment expression to assign it a value. myVariable = 42; 42 You can combine a variable declaration with an assignment expression. var myVariable = 42; You can also string together several variable declarations with commas.
Log(sideC); 5 In JavaScript, functions are just another data type, so you can assign a function to a variable. Chapter 1: JavaScript Basics 9 var myFunc = function() { return 42; }; typeof myFunc; "function" myFunc(); 42 Functions are also an incredibly useful tool for organizing your code and acting upon values. You’ll use them throughout the first few chapters before exploring them in more depth in Chapter 5. Objects Objects are so fundamental to JavaScript that it is considered an objectoriented language.
Var myString = "hello world"; // If the string does *not* contain the substring: if (! log("String contains 'hello'"); } In the first example of the previous code, indexOf() doesn’t find the substring and returns -1, which is a “truthy” value. ) operator, it does the opposite of what I expect. In the second example of the previous code, indexOf() finds the substring at position 0, which is a “falsey” value. Because the substring is the start of myString, this test also does the opposite of what I expect.
