Package Exports
- mapbox-gl-function
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Readme
Mapbox GL style functions are used to specify a property value that varies according to zoom level. This library implements the semantics of interpolated and piecewise-constant functions as specified by the Mapbox GL Style Specification.
Usage
var glfun = require('mapbox-gl-function');
var interpolated = glfun['interpolated']({stops: [[1, 1], [5, 10]]});
interpolated(0); // => 1
interpolated(1); // => 1
interpolated(3); // => 5.5
interpolated(5); // => 10
interpolated(11); // => 10
var piecewiseConstant = glfun['piecewise-constant']({stops: [[1, "a"], [3, "b"], [4, "c"]]});
piecewiseConstant(0); // => "a"
piecewiseConstant(1); // => "a"
piecewiseConstant(2); // => "a"
piecewiseConstant(3); // => "b"
piecewiseConstant(4); // => "c"