Function tryDrawTri

src/traces/isosurface/convert.js:417–429

(style, xyzv, abc)

        }

        var tryDrawTri = function(style, xyzv, abc) {
            if( // we check here if the points are in `real` iso-min/max range
                almostInFinalRange(xyzv[0][3]) &&
                almostInFinalRange(xyzv[1][3]) &&
                almostInFinalRange(xyzv[2][3])
            ) {
                drawTri(style, xyzv, abc);
                return true;
            } else if(nPass < MAX_PASS) {
                return tryCreateTri(style, xyzv, abc, vMin, vMax, ++nPass); // i.e. second pass using actual vMin vMax bounds
            }
            return false;
        };

        if(ok[0] && ok[1] && ok[2]) {
            return tryDrawTri(style, xyzv, abc) || result;