Function getFlux

terrain.js:334–352

(h)

}

function getFlux(h) {
    var dh = downhill(h);
    var idxs = [];
    var flux = zero(h.mesh); 
    for (var i = 0; i < h.length; i++) {
        idxs[i] = i;
        flux[i] = 1/h.length;
    }
    idxs.sort(function (a, b) {
        return h[b] - h[a];
    });
    for (var i = 0; i < h.length; i++) {
        var j = idxs[i];
        if (dh[j] >= 0) {
            flux[dh[j]] += flux[j];
        }
    }
    return flux;
}

function getSlope(h) {
    var dh = downhill(h);