keep overlays when scaling an image

[DocEye]

Hi,

Again I am probably posting a beginners question. I have an Image with some overlays and would like to display it scaled because it exceeds the size of my monitor. As soon as I use imaqScale and display the image the overlays are disappeared.

Thanks for helping
Fabian

[BruceAmmons]

You could use the zoom feature of the display. This maintains the original image along with the overlays, and just scales the display. The only drawback is that the scaling factor has to be integer values, such as 1/2, 1/3, 1/4, etc. You specify them as -2, -3, -4, etc. Another difficulty is that zooming out simply displays every other pixel. Any overlay that was on the skipped pixels is not displayed either. Sometimes if you have a rectangle overlay, some of the sides will disappear in a zoom out.

Bruce