The coarsest resolution in meters that is still sensible for what a map shows, e.g. the end of the slider of the share dialog: a hundredth of the larger side of the area, about 10 pixels of an embed 1000 pixels wide.
The coarsest resolution in meters that is still sensible for what a map shows, e.g. the end of the slider of the share dialog: a hundredth of the larger side of the area, about 10 pixels of an embed 1000 pixels wide.