Function updateMatchedAxRange

src/plots/cartesian/dragbox.js:692–717

(axLetter, out)

    }

    function updateMatchedAxRange(axLetter, out) {
        var matchedAxes = matches.isSubplotConstrained ?
            {x: yaxes, y: xaxes}[axLetter] :
            matches[axLetter + 'axes'];

        var constrainedAxes = matches.isSubplotConstrained ?
            {x: xaxes, y: yaxes}[axLetter] :
            [];

        for(var i = 0; i < matchedAxes.length; i++) {
            var ax = matchedAxes[i];
            var axId = ax._id;
            var axId2 = matches.xLinks[axId] || matches.yLinks[axId];
            var ax2 = constrainedAxes[0] || xaHash[axId2] || yaHash[axId2];

            if(ax2) {
                if(out) {
                    // zoombox case - don't mutate 'range', just add keys in 'updates'
                    out[ax._name + '.range[0]'] = out[ax2._name + '.range[0]'];
                    out[ax._name + '.range[1]'] = out[ax2._name + '.range[1]'];
                } else {
                    ax.range = ax2.range.slice();
                }
            }
        }
    }

    // Draw ticks and annotations (and other components) when ranges change.
    // Also records the ranges that have changed for use by update at the end.