string
(Height Reference)
enum: the value of this property must be equal to one of the following values:
Value | Explanation |
---|---|
"ground_level" |
|
"mean_sea_level" |
|
"sea_level" |
|
"lowest_astronomical_tide" |
|
"sea_floor" |
|
"other" |
The default value is:
"ground_level"