Re: opengl and images

[Michael D Godfrey]

On 10/04/2009 10:48 PM, Soren Hauberg wrote:
> man, 05 10 2009 kl. 06:43 +0200, skrev Shai Ayal:
> > >  The image is drawn at z=0, so to see the plot, you should plot the
> > >  libe aboce the z-plane:
> > >    hold on, plot3 (1:100, 50*sin(linspace (0, 2*pi,
> > >  100))+50,ones(1,100), "linewidth",10), hold off, view(2)
> > >  Is this not the expected behavior?
> When I do this, I get the attached image. I would have expected to see
> the sine curve on top of the image. This happens both with and without
> the call to 'view'.
>
> So, no, this is not the expected behaviour. Images should always be
> shown below other graphics objects. This is really handy, when doing
> image processing as it allows you to easily plot positions of objects on
> top of the image.
>
> Soren

Well, here is what I get using current development system and Fedora 
FC11_x86_64.  Attached.  Curve is on top.

I used:
backend("fltk")
imshow (rand (100, 100, 3))
hold on
plot3 (1:100, 50*sin(linspace (0, 2*pi,100))+50,ones(1,100),"linewidth",10)
hold off
view(2)

im_test.png
Description: PNG image