.:Valmet:.

Details
Valmet interface is very simple to understand.
On the top, there is the three axial view of each loaded image. You can translate and zoom with the right and left click of your mouse.
You can switch between each segmentation with the slider below.
You can also, change the contrast, the brightness and the label opacity for these windows.

You can switch between cursor mode and Navigation Mode with these 2 buttons.

                        
   Cursor mode                Navigation mode

Cursor mode: Allows you to click on any windows to find a point on an image. With the coupled cursor you have the corresponding point in all the windows.
Navigation mode: Allows you to navigate (Translation, rotation and zoom) in each windows.

There is also a 2D part, with a 2D display and a 3D part (just below the 2D part) where you can see the differences in 3D.
Don't forget to switch between Cursor mode and Navigation mode for the rotation, translation and zoom in the 3D display.

ScreenShot

click to enlarge