Rickylad opened a new issue #11081: About Parallel Axis feature request URL: https://github.com/apache/incubator-echarts/issues/11081 ### What problem does this feature solve? I'm a student and I'm currently using Echarts to develop my assignment. I appreciate those build-in functions. They are really helpful. Thank you. While I'm using the Parallel Axis, I found it has a brush feature and axisareaselected API event, but the axis cannot display the two boundary values (edge value) of the selected area. Besides, if I narrow the interval between each axis label, that's still hard to see the values on the axis. So, I'm thinking it would be better to have a feature to display the boundary values or even the gap value of a selected area. That will also help users to elaborate on the selected area, for example, there are how many lines pass through the value between 0.8 to 1.2. ### What does the proposed API look like? It would be better to add a bit more features in event.axisareaselected or in the brush or even axisPointer. var boundaryValue[]; chart.on('axisareaselected', function (event) { boundaryValue = event.intervals; }); option = { parallel:{ parallelAxisDefault: { boundaryValue: boundaryValue[], // to display the edge values of a selected area. // or boundaryValue1: boundaryValue[0], // boundaryValue2: boundaryValue[1] } } }; <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE --> <!-- This issue is in English. DO NOT REMOVE -->
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