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January 25, 2018 19:22
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Linear transformation of a fish, to celebrate the 100th anniversary of D'Arcy Thompson's On Growth And Form, http://bit.ly/2GhFftW
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| <html> | |
| <body> | |
| <style> | |
| td { | |
| width: 100px; | |
| border:thin solid lightGrey; | |
| } | |
| </style> | |
| <svg width="100%" height="400px" xmlns="http://www.w3.org/2000/svg"> | |
| <g transform="matrix(1,0,0,1,0,0)"> | |
| <image xlink:href="https://i0.wp.com/thefishh.com/wp-content/uploads/2015/06/Fish-Pest-Rosy-Barb-600.jpg" x="0" y="0" width="600px" height="343px"/> | |
| </g> | |
| </svg> | |
| <table> | |
| <tr> | |
| <td contenteditable>1</td> | |
| <td contenteditable>0</td> | |
| <td contenteditable>0</td> | |
| </tr> | |
| <tr> | |
| <td contenteditable>0</td> | |
| <td contenteditable>1</td> | |
| <td contenteditable>0</td> | |
| </tr> | |
| <tr> | |
| <td contenteditable>0</td> | |
| <td contenteditable>0</td> | |
| <td contenteditable>1</td> | |
| </tr> | |
| </table> | |
| <button onclick="apply()">Apply</button> | |
| <button onclick="reset()">Reset</button> | |
| <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script> | |
| <script> | |
| function apply() { | |
| let tmp = []; | |
| let m = []; | |
| $('td').map((i,o)=>{tmp[i] = parseFloat($(o).text())}); | |
| m = tmp.slice(0,6) | |
| $('g').attr('transform',`matrix(${m[0]},${m[3]},${m[1]},${m[4]},${m[2]},${m[5]})`); | |
| } | |
| function reset() { | |
| const matrix = [1,0,0,0,1,0,0,0,1]; | |
| $('td').map((i,o)=>$(o).html(matrix[i])); | |
| apply(); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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