saadabbasi-vd
vectorsize
/ linearScale.js
Last active
December 20, 2022 14:30
Quick linear scale inspired by d3.js scales, based on the processing.org map() function.takes in an object with a domain array and a rage array, gives you back a function that receives a value and returns the scaled value.
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| // based on https://github.com/processing/processing/blob/a6e0e227a948e7e2dc042c04504d6f5b8cf0c1a6/core/src/processing/core/PApplet.java#L5093 | |
| var scale = function(opts){ | |
| var istart = opts.domain[0], | |
| istop = opts.domain[1], | |
| ostart = opts.range[0], | |
| ostop = opts.range[1]; | |
| return function scale(value) { | |
| return ostart + (ostop - ostart) * ((value - istart) / (istop - istart)); |