Histogram [Feature request]

[PeterBrain]

Would be nice to have a histogram above the slider.

Basic definition of a histogram: A histogram is a graphical display of data using bars of different heights. In a histogram, each bar groups numbers into ranges. Taller bars show that more data falls in that range. A histogram displays the shape and spread of continuous sample data.

some inspiration (found this on google - credits go to linda_preisde): https://codepen.io/linda_preisde/pen/wppXJG

These are the things to consider I came up with while thinking on this:

• How many steps are from start to end?
  • Displaying a histogram for thousands of steps is possible, but it would have a terrible performance, I imagine. So there has to be either a limit or an algorithm to keep the amount of bars to a reasonable number.
• Data (for the bars) must be available beforehand for each step
  • again thousands of bars mean a huge dataset
• I assume this feature is for integer values only (excluding dates, float values for now to keep it simple)
  • but I can definitely see it working for dates and floating point numbers

[IonDen]

Hello, @PeterBrain.

Indeed feature seemed to be interesting. But, where is no problem to combine the slider with external histogram right now. You could even use some powerful chart library (like ApexCharts) to build a histogram. IonRangeSlider and ApexCharts have good API and they could both be connected with it.

[PeterBrain]

Thanks, I'll have a look into this.

I am going to leave the issue open for discussion, just in case someone has an idea, demo, or opinion on that.