Thanks, This works but have a drawback in that when you try to zoom in with a zoom rectangle and hit a point that is invisible the zoom rectangle is not shown. When setting Series6.Visible:=false, which hides the complete series, the zooming works fine. Is it possible to set Visible:=false on indivi...

My points are time-ordered, ie I want to draw them in the order they arrive.

I want to show the first points later.

How do I set a point to null?

Is it possible to reset a point to its original value after it has been set to null?

I want to set parameters to a TPoint3DSeries so that only the n latest points in the series are drawn. I have tried to use the following code in the procedure Chart1BeforeDrawSeries(Sender: TObject); if Form1.Series6.LastValueIndex > PointsToDraw then StartIndex:=Form1.Series6.LastValueIndex - Point...

I have tried to set the Pen.Color for my Point3D series.

It does not work to colorize individual points when I'm using simple symbols like +, X, *.

Colorizing true 3D symbols works fine.

I have created a 3D chart with a number of series. Selecting individual colors to each point works fine as long as the points are shapes. I also want to set color to the simple figures (+, *, etc) but have not found a method to do that. Questions: 1) Is it possible to colorize the simple symbols? Ho...