Fix bug when stack is one position multi-z (allow to select the z correctly)

ImageJ/script_mosaic_telemos.py

@@ -434,10 +434,16 @@ def process_tiles(implus_tiles_stack, channel, z, implus_white_corr, implus_dark
     if data.numDimensions() == 5:
         inter = Intervals.createMinMax(0, 0, channel, z-1, 0,
                                        xLen-1, yLen-1, channel, z-1, Ntiles-1)
-    # Data are x,y,channel,t
+    # Data are x,y,channel, (t or z)
     if data.numDimensions() == 4:
+        if Ntiles > 1:
+    		# x, y, channel, t
         	inter = Intervals.createMinMax(0, 0, channel, 0,
             	                           xLen-1, yLen-1, channel, Ntiles-1)
+       	else:
+       		# x, y, channel, z
+       		inter = Intervals.createMinMax(0, 0, channel, z-1,
+            	                           xLen-1, yLen-1, channel, z-1)
 
     if inter is not None:
         data = ops.transform().crop(data, inter)