new Viewer3D viewer
#bad trick, waiting for a bug fix... : load twice the image :-(
new LoadHola image1
-new LoadHola image2
+//new LoadHola image2
connect image1.Out surface1.In
-connect image2.Out surface2.In
+//connect image2.Out surface2.In
+connect image1.Out surface2.In
set surface1.Isovalue 100
set surface1.Opacity 100