Wrapper method to try performing rgeos::gIsValid call and catch eventual warnings or errors (in particular GEOS exceptions).
object extending the
object of class "logical". Default value is FALSE.
an object of class "logical". TRUE if valid, FALSE otherwise
Emmanuel Blondel [email protected]
1 2 3 4
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.