Function beginSection

src/traces/isosurface/convert.js:638–678

(style, i, j, k, min, max, distRatios)

    }

    function beginSection(style, i, j, k, min, max, distRatios) {
        // used to create slices between axis points

        var result = false;
        var A, B, C, D;

        var makeSection = function() {
            result = tryCreateTri(style, [A, B, C], [-1, -1, -1], min, max) || result;
            result = tryCreateTri(style, [C, D, A], [-1, -1, -1], min, max) || result;
        };

        var rX = distRatios[0];
        var rY = distRatios[1];
        var rZ = distRatios[2];

        if(rX) {
            A = getBetween(getXYZV([getIndex(i, j - 0, k - 0)])[0], getXYZV([getIndex(i - 1, j - 0, k - 0)])[0], rX);
            B = getBetween(getXYZV([getIndex(i, j - 0, k - 1)])[0], getXYZV([getIndex(i - 1, j - 0, k - 1)])[0], rX);
            C = getBetween(getXYZV([getIndex(i, j - 1, k - 1)])[0], getXYZV([getIndex(i - 1, j - 1, k - 1)])[0], rX);
            D = getBetween(getXYZV([getIndex(i, j - 1, k - 0)])[0], getXYZV([getIndex(i - 1, j - 1, k - 0)])[0], rX);
            makeSection();
        }

        if(rY) {
            A = getBetween(getXYZV([getIndex(i - 0, j, k - 0)])[0], getXYZV([getIndex(i - 0, j - 1, k - 0)])[0], rY);
            B = getBetween(getXYZV([getIndex(i - 0, j, k - 1)])[0], getXYZV([getIndex(i - 0, j - 1, k - 1)])[0], rY);
            C = getBetween(getXYZV([getIndex(i - 1, j, k - 1)])[0], getXYZV([getIndex(i - 1, j - 1, k - 1)])[0], rY);
            D = getBetween(getXYZV([getIndex(i - 1, j, k - 0)])[0], getXYZV([getIndex(i - 1, j - 1, k - 0)])[0], rY);
            makeSection();
        }

        if(rZ) {
            A = getBetween(getXYZV([getIndex(i - 0, j - 0, k)])[0], getXYZV([getIndex(i - 0, j - 0, k - 1)])[0], rZ);
            B = getBetween(getXYZV([getIndex(i - 0, j - 1, k)])[0], getXYZV([getIndex(i - 0, j - 1, k - 1)])[0], rZ);
            C = getBetween(getXYZV([getIndex(i - 1, j - 1, k)])[0], getXYZV([getIndex(i - 1, j - 1, k - 1)])[0], rZ);
            D = getBetween(getXYZV([getIndex(i - 1, j - 0, k)])[0], getXYZV([getIndex(i - 1, j - 0, k - 1)])[0], rZ);
            makeSection();
        }

        return result;
    }

    function begin3dCell(style, p000, p001, p010, p011, p100, p101, p110, p111, min, max, isEven) {
        // used to create spaceframe and/or iso-surfaces