Function findVertexId

src/traces/isosurface/convert.js:183–197

(x, y, z)

    var allVs;

    function findVertexId(x, y, z) {
        // could be used to find the vertex id of previously generated vertex within the group

        var len = allVs.length;
        for(var f = beginVertextLength; f < len; f++) {
            if(
                x === allXs[f] &&
                y === allYs[f] &&
                z === allZs[f]
            ) {
                return f;
            }
        }
        return -1;
    }

    function beginGroup() {
        beginVertextLength = numVertices;