This standard specifies the classification and codes of terrain elements in 1:5000, 1:10000, 1:25000, 1:50000, and 1:100000 digital topographic maps. This standard applies to the collection, storage, retrieval, output, and exchange of terrain elements when surveying and mapping 1:5000, 1:10000, 1:25000, 1:50000, and 1:100000 digital topographic maps. GB/T 15660-1995 1:5000 1:10000 1:25000 1:50000 1:100000 Classification and codes of topographic map elements GB/T15660-1995 Standard download decompression password: www.bzxz.net
This standard specifies the classification and codes of topographic elements of 1:5000, 1:10000, 1:25000, 1:50000, 1:100000 digital topographic maps. This standard applies to the collection, storage, retrieval, output and exchange of topographic elements when surveying and mapping 1:5000, 1:10000, 1:25000, 1:50000, 1:100000 digital topographic maps.

National Standard of the People's Republic of China
1: 5000
1: 10000 1: 25000
1: 500001: 100000
Classification and codes for the features of1: 50001: 100001 : 250001 : 500001:100000topographic maps
Subject content and scope of application
GB/T15660-1995
This standard specifies the classification and codes for the features of topographic maps at the scales of 1:5000, 1:10000, 1:25000, 1:50000 and 1:100000.
This standard applies to 1:5000, 1:10000, 1:25000, 1:50000,The collection, storage, retrieval, output and exchange of topographic elements during the surveying and mapping of 1:100000 digital topographic maps. When establishing a topographic map database, each department may appropriately expand and supplement the classification system and coding method specified in this standard according to the needs of the profession and regional characteristics. Notes are coded by the user.
2 Reference standards
GB/T5791--931:5000, 1:10000 topographic map diagram GB12342901:250001:500001:100000 topographic map diagram 3 Classification and coding method
This standard adopts the line classification method. According to the general principles of classification and coding, the topographic elements are divided into nine major categories, which are then subdivided into small categories, primary and secondary categories. The classification code is composed of a four-digit hierarchical code with the following structure: X
First-level code
European code
The major category code, minor category code, first-level code and second-level code are arranged in numerical order. Approved by the State Bureau of Technical Supervision on August 2, 1995 and implemented on January 1, 1996
4 Classification and code table
: 1820
Surveying control point
Triangulation point
Triangulation point on earth pile
Small triangulation point
10\level
Small triangulation point on earth pile
10\level
Leveling point
Burial rock mapping point
Burial rock mapping point on earth pile
GPS network point
Other control points
Astronomical point
Residential area
GB/T 15660—1995
Including guide points
Including guide points
Including guide points
Including guide points
Single-building
Ordinary building
Not on scale
Semi-scale
On scale
Protruding building
Not on scale
On scale
High-rise building
Damaged building
Not on scale
On scale
High-rise building area|| tt||Destroyed blocks
Main streets
Secondary streets
House ancillary buildings
On the ground
Under the ground
Not to scale
To scale
Other buildings
Yurts and pastoral tents
Not to scale
To scale
Administrative level of residential areas
GB/T15660-1995
More than ten floors
GB/T15660-1995
Government seat of province, autonomous region and municipality directly under the central government
Government seat of provincial city (prefecture-level city)
Government seat of region, autonomous prefecture and league
Government seat of municipal district, prefecture-level city (county-level city)Government seat of county, autonomous county and banner
Government seat of provincial directly-administered units
Government seat of township and town
Residential area below township level
Farms, forestry farms and pastures
Industrial and mining buildings (structures) and other facilities
Mining facilities
Shallow exploration wells and test pits
Not to scale
To scale
Mines in operation
Small mines
Abandoned mines
Small mines
Oil wells, salt wells, natural gas wells
Open-pit mines, mining sites
Salt pans, salt fields
Not to scale
To scale
Industrial facilities
Power plants (stations)
Substations
Open-pit equipment
Not to scale
To scale
GB/T 15660—1995
Oil depot, gas depot (liquid, gas storage depot) not to scale
To scale
Not to scale
To scale
Cement prefabricated product yard
Tower-shaped building
Not to scale
To scale
Water tower, smokestack
Water tower smokestack
Loading and unloading equipment
Conveyor belt
Crane
Loading and unloading equipment Funnel
Agricultural and animal husbandry facilities
Not to scale
To scale
Wind mill, windmill
Water mill, waterwheel
Water turbine pump, pumping station
Threshing ground, hay storage ground, feeding ground
Not to scale
To scale
Fixed
Fixed
Fixed
Fixed
Manure pit, ammonia pool, biogas pool
Not to scale scale
According to scale
Medicinal bath
Vegetable cellar, greenhouse, flower house
Meteorological station, hydrological station, scientific observation station
Meteorological station (station)
Hydrological station
Scientific observation station
Historical sites
Ancient relics, ruins
Not according to scale
According to scale
Cultural relics and stone tablets
Not according to scale
According to scale
Bell tower, drum Building
Not to scale
To scale
Beacon tower
Religious facilities
Tudi temple
Mosque
Sanbao, jingdui, Mani pile
Buildings with commemorative significance
Monument, column, pier
Colored gate, memorial archway (archway)
Memorial statue, artistic statue
Public facilities
Sightseeing and entertainment venues
Amusement park
GB/T 15660—1995
Fake rock hill
Pier not to scale
Pier to scale
Sports venue
Open-air stadium with stands
Open-air stadium without stands
Gymnasium not to scale
Gymnasium to scale
Telecommunication facilities
TV transmission tower
Satellite ground receiving station
Radio poles and towers
Other facilities
Viewing platform
Sentry box, sentry tower
Old cabinet fort
Independent grave
Graveyard not in scale
Graveyard in scale
Toilet not in scale
Toilet in scale
Transportation and ancillary facilities
Single-track railway
Double-track railway
Railway under construction
Narrow-gauge railway
Light rail, cableway
GB/T 15660-1995
：4244
Railway station and ancillary facilities
Letting station
Motorcycle turntable
Signal
Highway
Not to scale
To scale
In construction
Grade highway
Not to scale
To scale
In construction
Extra-highway
Not to scale
To scale
In construction
Elevated highway
Not to scale
To scale
Overhead part
Bus station and ancillary buildings on highway
Bus station
Gas station
Highway toll station
Highway supervision station||tt| |Parking lot
GB/T156601995
Including overpass
Milestone
Other roads
Machine-farming roads, truck roads
Rural roads
Seasonal roads, unfixed roads
Internal roads
Aerial ropeways
Road ancillary facilities and mountain passes
Not to scale
To scale|| tt||Not to scale
To scale
Mountain pass (pass)
Exit of underground building
Overpass
Vehicle bridge
Not to scale
To scale
Pedestrian bridge
Not to scale
To scale
Double-deck bridge
Level bridge
GB/T15660-1995
Not to scale
To scale
Suspension bridge
Ferry, wharf and mooring area
Waddling area
Ferry wharf
Not to scale
Semi-scale
To scale
Dyke wharf
Not to scale
Semi-scale
To scale
Floating wharf| |tt||Anchorage
Wharf steps
Dry dock
Not to scale
To scale
Aids to navigationwww.bzxz.net
Lighthouses and light posts
Signal poles
Mooring buoys
Starting and ending points of navigable river sections
Airfield
Helicopter airport
Seaplane airport
Pipelines and fences
Power lines
GB/T 15660—1995
Entrances and exits of underground power lines
Electric poles with azimuth effects
Power lines on poles
Power lines on towers
Communication lines
On the ground
Entrances and exits of underground communication lines
Communication poles with azimuth effects
Oil, gas, and water pipelines
On the ground
Underground
Overhead
Entrances and exits of underground pipelines
Fences, barbed wire , fences
City walls and the Great Wall that are not in scale
City towers and ancient fortresses
Damaged parts
City walls and the Great Wall that are in scale
City towers and ancient fortresses
Damaged parts
·Gaps
Outer line of city walls
Inner line of city ponds
Water systems and ancillary facilities
Rivers, lakes, ponds
Perennial rivers
Single-line rivers
Double-line rivers
Perennial lakes
GB/T 156601995
Seasonal River, Seasonal Lake
Single-line seasonal river
Double-line seasonal river
Seasonal lake
Disappearing river section
Single-line river
Double-line river
Underground river section
Underground river section exit
Underground river section population
High water boundary
Unfixed water boundary||tt ||Canals, channels
Single-line channels
Above ground level
Double-line channels
Above ground level
Water conservancy facilities
Spillway
Water delivery channels
Not to scale
To scale
General embankments
Not to scaleMain embankments
GB/T 156601995
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