Using the M4 TORNADO Software   
114
 
User Manual
 
Object  Description  Hints 
 
Activation of automatic update of 
phase analysis 
The automatic update can be 
activated with the downward-
facing arrow next to the 
AutoPhase button 
Slide bars 
The slide bars for Sensitivity, Area and Edges allow adjustments for 
all three AutoPhase methods. 
 
Allows the control of how similar 
(high sensitivity) or different (low 
sensitivity) the chemical 
compositions of the different 
phases are. 
In general, the higher the 
sensitivity, the more phases are 
distinguished within the phase 
image. 
 
Allows the control of the 
minimum size of phases, ranging 
from 0 area % to 1 area % of the 
map image 
 
The lower the value is set on the 
area slide bar, the more phases 
are detected and less pixels 
remain unassigned. 
 
Allows the control of the 
sensitivity used to connect small 
phases. 
 
The higher the value on the 
edges slide bar, the more small 
phases, which are mostly found 
along grain boundaries, are 
merged into a single phase. This 
feature can be turned off by 
unchecking the box next to it. 
 
 
 
Map control for brightness, 
gamma filter and  color 
saturation 
 
For the phase display 
 
Displays for every selected part 
of the image the number of 
pixels (area, percentage of 
complete area) 
Displays as number of pixels, 
area or percentage 
0 
 
Element / phase contribution 
control for every element 
Controls color intensity of  
element / phase and switches on 
/ off (check box) contribution to 
map or phase image, or changes 
the associated color by clicking 
on the color field