D3.js通过刷序数量表聚焦+上下文

I am still very new to d3.js and have added a Focus + Context via Brushing to my Scatter plot that has a logarithmic y-Axis and ordinal x-Axis scale, but it isn't working as intended. Brushing seems to be working at an offset on the X-Axis but doesn't only show the item/items selected.I am still very new to d3.js and have added a F