plotting on top of images

[John W. Eaton]

On 22-May-2009, Søren Hauberg wrote:

| Hi All
| 
| With a recent checkout I can't seem to plot on top of images:
| 
|         A = rand (100);
|         [X, Y] = find (A > 0.9);
|         imshow (A)
|         hold on, plot (X, Y, 'o'), hold off
| 
| This should produce a gray scale image just containing noise, but with
| some red circles on top of the brightest pixels. But instead I get the
| following error:
| 
| "
| multiplot> plot "-" binary array=100x100 scan=yx origin=(1,1) dx=1 dy=1
| using 1 title "" with image; , "-" binary format='%float64' record=1040
| using ($1):($2) axes x1y1 title "" with points linestyle 2 ;
| 
| ^
|            line 0: invalid command

The following change avoids the problem for me, but I don't know
whether it will break something else.

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