problem with a subplot of a hist3 graph that render invisible my other subplot in print function

here is my problem:

i have a figure made of 4 subplots: s1=subplot (3,3,[1;4]); s2=subplot(3,3,[2;5]); s3=subplot(3,3,[3;6]); s4=subplot(3,3,8);

s1 contains a x-y movement line on the x-y plane

s2 contains a hist3 graph which is the histogram of the s1 graph

s3 contains a graph of the mouvement direction

and s4 contain just the color bar of s2 and some comments.

now my problem is that when I print the figure (using print -djpeg or -dtiff), the graphic part of the subplot s1 disappear, although the title is still visible.

Is there a way to settle this? I tried playing with the set(gca,'Visible','on') or set(gca,'Layer','top'), but nothing helps.

anyone has an idea?

[Andrew Newell]

What happens if you just create s1 and try to print?