[Halcon vision] programming logic

Halcon Programming , There are three main kinds of logic .

（1） Sequential structure ： From top to bottom , One step operation .

（2） Selection structure ：if...endif...

（3） Loop structure ：for...endfor...          while...endwhile...

* Programming logic 
a:=2
b:=6
c:=8
d:=0

* Choice logic 
if ((a<b or a<c) and a>0 )   
    d:=a   
endif

* Circular logic 
My_MaxVal:=0
k:=[a,b,c,d]
for Index := 0 to |k|-1 by 1    
    if (My_MaxVal<k[Index])
        My_MaxVal:=k[Index]       
    endif   
endfor

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