* This layer is included only in [Optional] 2500.
This layer contains facilities such as town blocks and public parks, etc. as polygon data in the detailed maps.
| Field | Type | Remarks |
|---|---|---|
| OBJECTID | Integer | A unique ID that indicates the object. |
| BGCLASS_C | Integer | Indicates the object class. |
BGCLASS_C (Background Polygon Class Code)
| Description | Code | Graphic Style |
|---|---|---|
| Town Block | 1 |  |
| Sandy Soil | 10 |  |
| Swamp | 11 |  |
| Mountain Forest | 12 |  |
| Lawn or Other Green Tracts | 13 |  |
| Afforested Area | 14 | |
| River | 20 |  |
| Riverside Land | 21 |  |
| Pool | 22 |  |
| Ocean | 23 | |
| Intercity Expressway (Toll) | 30 |  |
| National Road | 31 |  |
| Major Local Road | 32 |  |
| Other Major Roads | 33 | |
| Foot Pavement | 34 |  |
| Garden Road | 35 |  |
| Tunnel | 36 |  |
| Center Divider (Standard) | 37 |  |
| Intercity Expressway (Free) | 38 |  |
| Public Footstep | 39 |
|
| Hospital | 40 | |
| School | 41 | |
| Factory | 42 | |
| Dam | 45 | |
| Railroad Site | 50 | |
| Paved Area, Other Site | 51 | |
| Seawall | 52 | |
| Japan Self-Defense Forces/ U.S. base (base exercise area) | 55 | |
|
56 | |
| Defective Area | 60 | |
| Urban Expressway (Toll) | 70 | |
| Urban Expressway (Free) | 71 | |
| Toll Road | 72 | |
| Other Main Road | 73 | |
| Toll separation area | 74 | |
| Center Divider (Green Belt) | 75 | |
| Airstrip | 76 |
|
| Under Construction | 77 |
COLORCODE (Town Color Code)
| Description | Code | Graphic Style |
|---|---|---|
| Other Than Town Block | -1 |  |
| Town Block 1 | 1 |  |
| Town Block 2 | 2 |  |
| Town Block 3 | 3 |  |
| Town Block 4 | 4 |  |
| Town Block 5 | 5 |  |
| Town Block 6 | 6 |  |