QML: Custom draggable point delegate for ChartView series

QML, QML C++, Qt Charts, Qt Location, Qt5

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Hello,
I think, if you want write own design for series in QML ChartView, then you need inherit it from Q QAbstractSeries in C++, and override methods for painting. But in dovumentation missed information about some methods, therefore you need see c++ sources of this classes. I`m sure, that it is possible, but need spend a lot of time for it.

Yes, I can but I do not like to spend much time on this. And not sure I can subclass from QAbstractSeries as it does not have custom delegates examples and put any item inside it. PathView inside ChartView could be a solution, however probabaly will need to convert chart coordinates to screen coordinates there: also not sure ChartView has methods for this. Need to make some mockup to check this.

Ideal way could be Map element using from Qt Location where I have all I need: MapItemView, MapQuickItem and MapPolygon or MapPolyline for graphics as I have cartograhical information to draw. Bu again 2 questions:
- how to draw axis
- how to draw custom BarSeries imitating terrain elevation.

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