HTML/Javascript Canvas Venn Diagram Tutorial
Here is a live run showing some client-side basics in HTML and Javascript that can be used to create your own Venn Diagrams. Were Venn Diagrams something you learnt at school, to do with “set theory”? It can be an interesting area of mathematics, and statistics, perhaps. In today’s tutorial we do an example involving Geckoes … yes, Geckoes … not echoes … but, Geckoes … the inspiration for which came from this great link (thanks). You can read about it from Wikipedia here.
This HTML/Javascript solution uses an HTML canvas element, which you can first read about, at this blog, here.
You may want to read more at HTML Canvas Reference as a generic reference, or here, at the tutorial javascript – How do I add a simple onClick event handler to a canvas element? – Stack Overflow.
Here is a very useful link that helped with an algorithm to determine if two circles intercept … thanks.
Link to some downloadable HTML programming code … rename to venn_diagram.html
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