isvalid
Name:
geom isvalid
Description:
geom Determine if the input geometry is valid or not.
Arguments:
-t –type: The flag to show the validation error message, the error location, or validity (msg, loc, or val)
-g –geometry: The input geometry
–help: Print help message
–web-help: Open help in a web browser
Example:
geom isvalid -g "POLYGON ((0 0, 0 10, 10 10, 10 0, 0 0))"