Function _calc

test/jasmine/tests/histogram2d_test.js:124–148

(opts, layout)

    describe('calc', function() {
        function _calc(opts, layout) {
            var base = { type: 'histogram2d' };
            var trace = Lib.extendFlat({}, base, opts);
            var gd = { data: [trace] };
            if(layout) gd.layout = layout;

            supplyAllDefaults(gd);
            var fullTrace = gd._fullData[0];
            var fullLayout = gd._fullLayout;

            fullTrace._extremes = {};

            // we used to call ax.setScale during supplyDefaults, and this had a
            // fallback to provide _categories and _categoriesMap. Now neither of
            // those is true... anyway the right way to do this though is
            // ax.clearCalc.
            fullLayout.xaxis.clearCalc();
            fullLayout.yaxis.clearCalc();

            var out = calc(gd, fullTrace);
            out._xcategories = fullLayout.xaxis._categories;
            out._ycategories = fullLayout.yaxis._categories;

            return out;
        }

        // remove tzJan/tzJuly when we move to UTC
        var oneDay = 24 * 3600000;