Using vtkXYPlotActor

[Vetle Roeim]

I'm trying to use the vtkXYPlotActor to plot points, but it seems that
its use is a little restricted.

The value on the y-axis can be any float value, but the value on the
x-axis is restricted to either the point id, the acr length of the
cumulative arc length of the points, or the nirmalized arc length of the
points.

It seems a little strange that I should not be able to plot simple points
at any x and y coordinate. Would it not be possible to adapt the class to
get its x-values from the points in the datasets point data?

The points in the point data is already extracted in
vtkXYPlotActor::CreatePlotData (which draws the plot), so it looks like
this would be a simple modification. 

Or am I missing something here?


Thanks,
vr
--
Vetle Roeim 
Graduate Student 
Departement of Informatics, University of Oslo, Norway

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