🚀 go-pugleaf

In article <BGEORGE.93Jan25120412@grumpy.sanders.lockheed.com> E. Bryan
George, bgeorge@grumpy.sanders.lockheed.com writes:
>In article <1993Jan21.230058.5077@julian.uwo.ca> craigj@irus.rri.uwo.ca
( Craig 
>Jones) writes:
>
>   What I am doing is reading in an 8-bit image and would like to
>   pick some points on it.  I can plot the points on the image
>   but every point that is plotted Matlab clears the figure and 
>   redraws the whole thing.  This is WAY too slow.
>
>   What I am hoping is that there is some way in Matlab to turn
>   off the redraw/refresh??
>
>In Matlab 4, you can do this by specifiying a plot as a graphics
>object then using the 'set' command to change the data in the plot
>without redrawing the axis.  Look at ODE23P for further clues.


Another thing you can do is use the "EraseMode" property of line objects.
This allows you to control the technique MATLAB uses to draw and erase
line objects.  Possibilities are "normal", "none", "xor", and
"background".
Look at a guide or grep in the demo M-files for examples...

John Little