Re: Plotting in pseudo Real Time

[Ben Abbott]

On Oct 23, 2011, at 3:28 PM, Chris Seddon wrote:

> Hi
> 
> Is it possible to create a 3D plot using data that is generated dynamically 
> from a C++ program such that the display continually updates as the data 
> changes (i.e. NOT using a disk file complete with all the data to be 
> plotted).  I would hope that this is possible without redrawing the whole 
> plot each time.
> 
> Regards
> Chris Seddon

Yes you can do that by using the xdatasource, ydatasource, and zdatasource 
properties.

A simple 2D example is below.

x = 0:0.1:10;
y = sin (x);
h = plot (x, y)
set (h, "xdatasource", "x");
set (h, "ydatasource", "y");

## Change the y data and refresh the plot
y = sin (x.^2);
refreshdata

Ben