bounds.coffee

# Given an array of coordinates, get the bounding box

getBounds = (coordinates) ->
    xv = []
    yv = []
    $.each(coordinates, (i, coord) ->
        xv.push(coord[0])
        yv.push(coord[1])
    )
    return [
        [Math.min.apply(null, xv), Math.min.apply(null, yv)],
        [Math.max.apply(null, xv), Math.max.apply(null, yv)]
    ]