Use input box to change visualisation
Adapted from d3.js with Dynamic Data II
Last active
August 29, 2015 13:58
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D3 | Input box to create SVG shapes
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Input to create SVG shape</title> | |
| <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/d3/3.4.2/d3.js"></script> | |
| <style> | |
| body {font-family: monospace; line-height: 160%; font-size: 18px; } | |
| input {border: 1px dotted #ccc; background: white; font-family: monospace; padding: 10px 20px; font-size: 18px; margin: 20px 10px 20px 0; color: red;} | |
| input:focus { background-color:yellow; outline: none;} | |
| #myRadius {max-width: 35px} | |
| form {display: block; position: fixed; left: 10px; top: 10px; background: transparent; ;} | |
| </style> | |
| </head> | |
| <body> | |
| <form name="myform" onSubmit="return handleClick()"> | |
| <input name="Submit" type="submit" value="Radius" /> | |
| <input type="text" id="myRadius" maxlength="" /> | |
| </form> | |
| <script> | |
| // width and height | |
| var w = 900; | |
| var h = 500; | |
| var mySVG = d3.select("body") | |
| .append("svg:svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| function handleClick(event){ | |
| console.log(document.getElementById("myRadius").value) | |
| draw(document.getElementById("myRadius").value) | |
| return false; | |
| } | |
| function draw(rad){ | |
| mySVG.append("svg:circle") | |
| .style("fill", "red") | |
| .attr("opacity", 0.4) | |
| .attr("r", rad) | |
| .attr("cx", Math.round(Math.random()*w)) | |
| .attr("cy", Math.round(Math.random()*h)) | |
| } | |
| </script> | |
| </body> | |
| </html> |
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