This standard specifies the recording format of digital mapping by photogrammetry to ensure the uniformity of mapping information storage and exchange. This standard applies to the data recording of digital mapping by photogrammetry of national series scales. GB/T 17158-1997 Recording format of digital mapping by photogrammetry GB/T17158-1997 Standard download decompression password: www.bzxz.net
This standard specifies the recording format of digital mapping by photogrammetry to ensure the uniformity of mapping information storage and exchange. This standard applies to the data recording of digital mapping by photogrammetry of national series scales.

GB/T17158
This standard is formulated for the first time in my country. This standard is formulated based on the topographic map data recording items required by my country's national series of scale topographic map photogrammetry and digital mapping operations and the contents specified in the classification and code standards for corresponding scale topographic map elements. From the implementation of this standard, any recording format specified in the topographic map photogrammetry digital mapping specifications that conflict with or are inconsistent with this standard shall be subject to this standard.
The appendix to this standard is a reminder appendix. This standard was proposed and managed by the National Bureau of Surveying, Mapping and Geoinformation. The drafting unit of this standard: Surveying and Mapping Standardization Institute of the National Bureau of Surveying, Mapping and Geoinformation. The main drafters of this standard: Lin Dingrong and Jiang Xiangluan. 1 Scope
National Standard of the People's Republic of China
Record format for
photogrammetric digital mappingGB/T17158--1997
This standard specifies the record format for photogrammetric digital mapping to ensure the uniformity of storage and exchange of mapping information. This standard applies to the data record of photogrammetric digital mapping of national series scales. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB14804--931:5001:10001:2000 Classification code of topographic map elements GB/T15660--19951:50001:100001:250001:500001:10000 Classification and code of topographic map indices
GB/T13989-92 National basic scale topographic map framing and numbering GB/T 7929-19951:5001:10001:2000 Topographic map format 3 Technical regulations for data recording
3.1 Measurement of data
This standard stipulates that the digital mapping data of photogrammetry shall be recorded in the form of long-term data with the map sheet as the basic recording unit. The Gaussian coordinates, elevation and distance of topographic map elements shall be expressed in meters, with a maximum of 3 decimal places; the angle shall be expressed in sexagesimal degrees, minutes and seconds, with a maximum of whole seconds.
The position of the topographic map annotation on the map is represented by the Gaussian coordinates of the lower left corner of the first character of the annotation, and the annotation direction is represented by the angle with the Y track. The units and decimals are the same as the topographic map elements. The height and spacing of the annotation are expressed in mm, and the decimal point is 1. In addition to the above, the measurement units of other data should be marked item by item. 3.2 Recording format of data files
Data files are recorded in standard ASCII text files. 3.3 Classification and codes of topographic map elements
The classification and codes of topographic map elements are implemented according to different topographic map scales (GB1480493 and GB/T15660--1995).
3.4 ​​Classification and naming of data files
The classification and naming of topographic map data files are shown in Table 1. Approved by the State Bureau of Technical Supervision on December 16, 1997 330
Implementation on August 1, 1998
File category
Map basic information file
Photographic orientation file
Point feature file
Line feature file
GB/T 17158
—1997bZxz.net
Map number *MAP
Map number *POR
Map number *POI
Map number *LIN
Contour file
Annotation file
Digital elevation model file
Data quality assessment file
Map number CON
Map number *ANN
Map number *DEM
Map number *EST
File naming The map number of the national basic scale topographic map is in accordance with the provisions of GB/T13989---92, and the map number of the scale topographic map is expressed by removing the part per million. The map numbers of the 1:500, 1:1000, and 1:2000 scale topographic maps are implemented (GB/T7929--1995 provisions, 4 data recording format
4.1 Map sheet basic information file *MAP
The record format of the map sheet basic information file is shown in Table 2. If there are missing items, the default number "" should be entered (the same for the following files). Table 2
Administrative area
Name of surveying unit
Name of surveyor
Name of graphic editor
Model of surveying instrument
Name of plane coordinate system
Name of elevation system
Name of classification and code standard of topographic map elements Camera model
Date of aerial photography
Scale of aerial photography
Scale of mapping
Date of adjustment
Deadline of current data
Coordinate belt number
Gaussian coordinates of left lower corner map point XY
Gaussian coordinates of left upper corner map point XY
Top right map point Gaussian coordinates of point XY
Gaussian coordinates of right lower corner outline point XY
Geographical coordinates of left lower corner gallery point L.B3
Geographical coordinates of right upper corner gallery point LB
Theoretical side length u of gallery point (cm)
Theoretical side length c of gallery point (cm)
Theoretical diagonal length d of outline point (cm)
Plate Mean meridian convergence angle
Magnetic declination
Contour distance
Total number of control points in the map
Control point name (number)
Digging point level
Control point Gaussian coordinates XY
Control point elevation
Control point name (number)….
Eastern neighboring map sheet number
Border connection status (connected/not connected, the same below)
Southeast neighboring map sheet number
Border situation
South neighboring map sheet number
Border situation
Southwest neighboring map sheet number
Border situation
West neighboring map sheet number
Border situation
Northwest neighboring map sheet number
Border situation
Northeast neighboring map sheet number
Photograph Orientation file*POR
GB/T17158...1997
Table 2 (complete)
Boundary situation
Number of surveys and repairs (fill in 0 for the original survey map)
Revision unit
Revision date
Camera model
Aerial date
Aerial scale
The recording format of the photo orientation file is shown in Table 3. Arrange in the order of route number 1, image pair number 1, image pair number 2***route number 1, image pair number 1, image pair number 2.
Route number
Image pair number
Number of points participating in image pair orientation
Point number of 3 points in standard position
Gaussian coordinates, elevation and orientation residuals of 3 points
Image pair number
Point number of 4 points in standard position
Gaussian coordinates, elevation and orientation residuals of 4 points Mean error in plane orientation of this image pair
Mean error in elevation orientation of this image pair
4.3 Point feature file *POI
The point feature file records all information of point features with only one position coordinate. -·The record format of a point element is shown in Table 4332
Topographic map index record number
Image pair number
Number of element classification items
Classification code 1
GB/T17158--1997
Classification code 2
Gaussian coordinates and elevation XY, Z
Pointing coordinates
2F12. 3 F8. 3
The "Number of element classification items" in Table 4 and Table 5 below is an optional item, which refers to the number of different categories to which a certain topographic map element belongs. For example, a certain point element can be both a control point and an independent stone, and the number of element classification items is 2. The "Pointing coordinates" in Table 4 refer to the pointing coordinates for directional point elements (such as springs) that determine the direction of the symbol on the map.4.4 Line feature file *LIN
The line feature file records the information of all linear features (including polyline segments, closed polylines, polygons, curve segments, closed curves, etc.) except terrain contour lines. The record format of a line feature is shown in Table 5. Table 5
Topographic map feature record number
Image pair number
Number of feature classification items
Classification code 1
Classification code 2
Is it closed (yes/no)
Length of a line feature
"-Number of points in a line feature
Point list of a line feature
4.5 Contour line file *CON
XNYN ZN
The contour file only records the information of the contour. The record format of a contour is shown in Table 6. Table 6
Record number of topographic map elements
Image pair number
Elevation of contour
Is the dike closed (yes/no)
Number of points of a contour
Point list of a contour
4.6 Annotation file*ANN
GB/T 17158-1997
Table 6 (end)
Topographic map element annotation file records the map position, font size, font and other information of all text and digital annotations in this map sheet. The recording format of the annotation content is shown in Table ?.
Topographic map element record number
Image pair number
The coordinates of the lower left corner of the th character in this annotation content point to
Digital elevation model file *DEM
Annotation content string
This file is an optional file. The recording format of a complete digital elevation model data file in this map is shown in Table 8. Table 8
Gaussian coordinates and elevation of the model starting point XYZ Maximum elevation value in the model
Minimum elevation value in the model
Scan line orientation
Scanning method (one-way/ Bidirectional）
Starting point scanning direction
Scanning spacing (M)
Vertical number of columns
Horizontal number of rows
4.8 Data quality evaluation file *EST
The record format of the data quality evaluation file is shown in Table 9. 331
Acceptance unit
Acceptor's name
Acceptance date
Element plane mean error (m)
GB/T17158-1997
Element elevation mean error (m)
Map edge mean error (m)
Quality level
According to the data recording format of Tables 2 to 9, the example of 1:50000 photogrammetry digital mapping data record is shown in Appendix A (suggested appendix).
GB/T 17158---1997
Appendix A
(Suggested Appendix)
1:50000 Example of Photogrammetry Digital Mapping Data Record Assume that the drawing number of this record is H50E009006. E009006 * MAP
Administrative region
Name of surveying unit
Name of surveyor
Name of graphic editor
Model of surveying instrument
Name of plane coordinate system
Name of elevation system
Name of topographic map element classification and code standard Camera model
Aerial photography period
Aerial photography scale
Mapping scale
Drawing time
Current data deadline
Coordinate belt number||t t||Gaussian coordinates X of the lower left corner outline point
Gaussian coordinates X of the upper left corner gallery point
Gaussian coordinates X of the upper right corner gallery point
Gaussian coordinates X of the lower left corner outline point
Geographical coordinates L of the lower left corner gallery point
Geographical coordinates L of the upper right corner gallery point
Theoretical side length of outline point
H50E009006
Fangshan City
Shaanxi Province
The Eighth Surveying and Mapping Brigade of Shaanxi Province
Zhou Xiaohong
JX-3 92013
1980Xi'an Coordinate System
1985National Height Datum
1:5000, 1:10000, 1:25000, 1:500001:100000Topographic Map Element Classification and Code (GB/T 15660----1995)
RC-038
1:61000
1150000
3276904.2
20331986.3
3395385.8
20332273.6
3395039.1
20356237.4|| tt||3276558.6
20355991,2
115°15'00\
30°30°00\
115°30'00\
30°40°00\
Mean meridian convergence angle
Magnetic declination
Contour interval
Total number of control points in the map
Control point name (No.)
Control point level
Control point Gaussian coordinate X
Control point elevation
Eastern neighboring map sheet number
Border situation
Southeastern neighboring map sheet number
Border situation
Southern neighboring map sheet number
Border situation
Southwest neighboring map sheet number
Border situation
West neighboring map sheet number
Border situation|| tt||Nwest neighboring map sheet number
Border situation
Northern neighboring map sheet number
Border situation
Northeastern neighboring map sheet number
Border situation
Number of surveys
Survey unit
Survey date
Camera model
Aerial photography date
Aerial photography scale
End of MAP file
E009 006 * POR
Route number
Image pair number
Number of points participating in image pair orientation
Standard position 3 point number
Gaussian coordinates X of 3 points
Orientation residual AX of 3 points
GB/T 17158
0°49'37\
+12°12'
Fangshan triangulation point
3384361.2
20340071.0
E009 007
Connected edge
E010007
Connected edge
E010006
Connected
E010005
Connected edge
E009005
Unconnected edge
E008 005
Unconnected edge
E008 006
Connected edge
E008007
Connected edge
52775278
3384873.1
20349488.8
Point number of 4 points in standard position
Gaussian coordinates X of 4 points
Orientation residual AX of 4 points
Meanwhile orientation error of this image pair in plane
Meanwhile orientation error of this image pair in elevation
End of POR file
E009006* PO1
Topographic map feature record number
Image pair number
Number of feature classification items
Classification code
Gaussian coordinate X
Pointing coordinate X
Topographic map feature record number
Image pair number
Number of feature classification items
Classification code 1
Classification code 2
Gaussian coordinate X
Pointing coordinate X
End of POI file
E009006 * LIN
Topographic map feature record number
Image pair number
Number of feature classification items
Classification code
Is it closed
·Length of line element
GB/T 17158 -- 1997 |3
20349238.1
3386281.1
20349265.5
5277-5278
Number of points in the line element
Gaussian coordinates X of each point in sequence
Gaussian coordinates X of each point in sequence
Gaussian coordinates X of each point in sequence
Gaussian coordinates X of each point in sequence
Topographic map element record number
Image pair number
Number of element classification items
Classification code 1
Classification code 2
Is it closed|| tt||The length of a line feature
The number of points in a line feature
The Gaussian coordinates X of each point in sequence
The Gaussian coordinates X of each point in sequence
The Gaussian coordinates X of each point in sequence
The record number of topographic map feature
Image pair number
The number of feature classification items
Classification code
Is it closed
The length of a line feature
The number of points in a line feature
The Gaussian coordinates X of each point in sequence
The Gaussian coordinates X of each point in sequence
8-1997
GB/T 17158
3378113.9
20340246.0
3379038.1
20340245.8
3379030.4
20340717.0
3378113.7
20 348717.7
5277--5278
3379134.0| | tt |
3377682.7
Gaussian coordinates X of each point in sequence
LIN End of file
E009006 * CON
Topographic map request record number
Image pair number
Elevation of contour line
Is it closed
Number of points on contour line
Gaussian coordinate X of each point in sequence,
Gaussian coordinate X of each point in sequence
Gaussian coordinate X of each point in sequence:
Topographic map element record number
Image pair number
Elevation of contour line
Is it closed
Number of points on contour line
Gaussian coordinate X of each point in sequence
Gaussian coordinate X of each point in sequence2
Gaussian coordinate X of each point in sequence:
CONEnd of file
E009006 * ANN
Topographic map element record number
Image pair number
Lower left corner coordinate X of the th character
GB/T 171581997
20340907.7
3377625.1
20340957.0
3377355.5
20340227.5
3377443.1
20340207.1
3377522.9
20340186.6
5277-527 8
3378685.0
20347783.7
3378767.1
20347769.9
3378879.6
20347757.1
—9999
52775278||t t||3380784.7
20339212.1
0°00'00\
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