The avatar for @dvreed77
David Reed
Full Stack Software Engineer at Alteryx in Boston, MA
Published
Edited
Jul 29, 2019
3 stars
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dem = getElevationData([-113.0737505875,35.7777790821,-111.8228267097,36.6950696661], width, width)
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imshow(dem, 1, d3.interpolateViridis)
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color = d => d3.interpolateRainbow((d-elevRange[0])/(elevRange[1]-elevRange[0]))
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// Scale function for cooridinates in contour
// (Without scaling, coordinates corresponds to index)
function scaleContour(contours, scale) {
return contours.map(({type, value, coordinates}) => (
{type, value, coordinates: coordinates.map(rings => (
rings.map(points => (
points.map(([x, y]) => ([
x*scale, y*scale
]))
))
))}
));
}
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