For example, referring to the ASCII art above, the polygonal chain ABCBA is a weakly simple polygon: it may be viewed as the limit of "squeezing" of the polygon ABCFGHA.
The polygonal chain ABCBA is a weakly simple polygon. This is for example. Example is referring to the ASCII art above. It may be viewed as the limit of "squeezing" of the polygon ABCFGHA. This was for example.