August 1993/C Image Processing, Part 11 Manipulating Shapes/Figure 10

Figure 10 An unwanted merging of two objects

       Two separate objects

0  0    0    0  0    0    0  0  0  0
0  0    0    0  0    0    0  0  0  0
0  0  200  200  0  200  200  0  0  0
0  0  200  200  0  200  200  0  0  0
0  0  200  200  0  200  200  0  0  0
0  0  200  200  0  200  200  0  0  0
0  0  200  200  0  200  200  0  0  0
0  0  200  200  0  200  200  0  0  0
0  0    0    0  0    0    0  0  0  0
0  0    0    0  0    0    0  0  0  0

Closing joins the objects (unwanted)

0  0    0    0    0    0    0  0  0  0
0  0    0    0    0    0    0  0  0  0
0  0  200  200  200  200  200  0  0  0
0  0  200  200  200  200  200  0  0  0
0  0  200  200  200  200  200  0  0  0
0  0  200  200  200  200  200  0  0  0
0  0  200  200  200  200  200  0  0  0
0  0  200  200  200  200  200  0  0  0
0  0    0    0    0    0    0  0  0  0
0  0    0    0    0    0    0  0  0  0