Hallo I think the easiest way is to make a linestring of the polygon.boundary
and then cut the line in the start and end so you get two more or less paralell
lines. Then you can use st_distance to find the shortest distance between them.
Hope that helpsNicklas
2009-10-01 Surya Tarigan wrote:
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>
Dear list,
>
>
I have a river polygon with polygon length about 20 km. How can I query the
minimum width of the river polygon. I tried to search previous threads, but I
could not find any clue.
>
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kind regards,
>
>
surya
>
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