Function sync

src/plots/geo/zoom.js:39–66

(geo, projection, cb)

// sync zoom updates with user & full layout
function sync(geo, projection, cb) {
    var id = geo.id;
    var gd = geo.graphDiv;
    var layout = gd.layout;
    var userOpts = layout[id];
    var fullLayout = gd._fullLayout;
    var fullOpts = fullLayout[id];

    var preGUI = {};
    var eventData = {};

    function set(propStr, val) {
        preGUI[id + '.' + propStr] = Lib.nestedProperty(userOpts, propStr).get();
        Registry.call('_storeDirectGUIEdit', layout, fullLayout._preGUI, preGUI);

        var fullNp = Lib.nestedProperty(fullOpts, propStr);
        if(fullNp.get() !== val) {
            fullNp.set(val);
            Lib.nestedProperty(userOpts, propStr).set(val);
            eventData[id + '.' + propStr] = val;
        }
    }

    cb(set);
    set('projection.scale', projection.scale() / geo.fitScale);
    set('fitbounds', false);
    gd.emit('plotly_relayout', eventData);
}

// zoom for scoped projections
function zoomScoped(geo, projection) {