function to check the lat and long are within limits.
| 1 | check_boundary(input, check_value, expected_greater = TRUE, warning_content)
 | 
| input | the input lat or long value. | 
| check_value | the max or min value of lat or long. | 
| expected_greater | the input is expected to be greater or not. Defalut:TRUE. | 
| warning_content | the content used to insert in the error message. | 
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.