* This layer is not included in Basic.
This layer indicates areas of water surface with certain extent such as river, sea surface, lake surface, etc. with polygon.Used in a detailed map of about 1/25,000 scale or larger. The formats of Water System (Polygon) A-F are almost same, but the reduced scale sizes are different.
| Field Name | Data Type (Length) | Description |
|---|---|---|
| OBJECTID | Integer | Unique ID that indicates the object. |
| SC4CLASS_C | Integer | Indicates the object class. |
SC4CLASS_C／ SC1CLASS_C (Background Polygon Class Code)
| Description | Code | Graphic Style |
|---|---|---|
| Ocean | 101001 |  |
| River/Stream/Valley | 101002 | |
| Lake/Pond/Swamp | 101003 |