Has anybody implemented polyline evas object where one could specify the 
start point(x, y) and then just add many new points where the line 
should go next. To my understanding there does not exist that kind of 
feature?

If not, would it make sense to implement that kind of polyline as a 
smart object which would internally have an array of lines to draw?
(new line when ever the direction of graph changes)

My use case for this polyline is XY graph that I started implementing 
as a smart object where one can define tittle, texts for x and y axis, 
axis scale units,  etc... At the moment I am doing the graph curve 
itself by adding multiple line objects, but started to think that things 
like graph resize or delete would be nicer to implement if there would 
be this polyline object which would internally handle the list of lines 
that make the graph.

Mika

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