Function addFace

src/traces/isosurface/convert.js:223–230

(a, b, c)

    }

    function addFace(a, b, c) {
        data._meshI.push(a);
        data._meshJ.push(b);
        data._meshK.push(c);
        numFaces++;

        return numFaces - 1;
    }

    function getCenter(A, B, C) {
        var M = [];