Some standard content:
1 Introduction
Standard of the People's Republic of China for Surveying and Mapping
The electronic data recording rules for triangulation
CH/T 2005—1999
1.1 This standard specifies the coding of measurement information, data processing methods, content and format of input and output information when using programmable electronic recorders (including electronic calculators and computers) to record triangulation observations. 1.2 This standard applies to the electronic recording of national, second, third, fourth-order triangulation and other horizontal and vertical angle observations. 1.3 This standard is implemented simultaneously with relevant surveying standards and ZBA76003-87 "Basic Rules for Field Electronic Recording of Surveying" (hereinafter referred to as "Basic Rules" in this standard).
Record Information Identifier and Content Coding
For information codes that are not specified, fill in according to the "Basic Rules". Triangulation title information (see Table 1)
Information name
Survey code
Survey year
Survey standard
Standard code
Program design unit
Program designer
Program name
Identifier
Approved by the State Administration of Surveying and Mapping on September 7, 1999
Number of code characters
Content code
Generally, it is the subject code in the Basic Regulations, with a maximum of 20 characters. The survey standard mainly refers to the name of the measurement specification to be implemented. If there is no code, enter it according to the provisions in the Basic Regulations. Xx
Measurement code
Horizontal angle code
-Applicable instrument code
Applicable horizontal angle code
Writing code
When a single method is applicable, the code is the method code (see 2.2): When applicable to multiple methods, the code is:
A1, 2, 3, 4, 5 (method code); B-2, 3; C1, 4.5; 1) 1.5: 0-Applicable to vertical angle observation records. Applicable vertical angle code:
Implemented on 1999-09-07
Information name
Measurement unit
Group code
Observer
Recorder
Instrument type
Instrument model
Instrument number
Measurement date
Level value
Micrometer deviation
Horizontal axis tilt value
Recorder model
Recorder number||tt ||Tape drive model
Tape drive number
Station header information (see Table 2)
Information name
Record number
Yongping angle observation method
Vertical angle observation method
Direction number
Direction number
Joint measurement direction number
Number of horizontal angle measurement rounds
Number of vertical angle measurement rounds
Station name
Identifier
Identifier
CH/T 2005:1999
Continued Table 1
Number of code characters
Content code
When a single method is applicable, the code is the method code (see 2.2); when multiple methods are applicable, the code is:
0-Applicable to horizontal angle observation records.
Applicable level code:
When applicable to a single level, the code is the level number: When applicable to multiple levels, the code is:
A -1, 2.3, 4; B-1, 2; C--2, 3, 4; I) -3, 4Applicable instrument code:
When applicable to a single instrument. The code is the instrument type code: It is also applicable to multiple instruments. The code is:
A -1, 2.7; B1, 2
1 Dt; 2 DJ: 7 J.
Number of code characters
In seconds,
In seconds.
In seconds,
Content code
1 One-direction method; 2--Full group method·3-Three-direction method: 4-Angle observation method; 5·--Group direction method.
1--Middle wire method; 3--Three wire method.
Direction number of joint measurement in group direction method
XXXXXX
Information name
Instrument height
Aiming target height
Aiming target
Horizontal angle observation
Aiming moon mark
Vertical angle observation
Aiming Yawei mark
Aiming point name
Map sheet number
Approximate value of horizontal angle
Approximate value of vertical angle
Observation information (see Table 3)
Information name
Reading 1
Reading 2
Observation direction
(or the first group of observation directions)
The second group of observation directions
Measurement number
Dial configuration Position
Observation condition information (see Table 4)
Information name
Start time
End time
Wind direction and wind force
Identifier
Identifier
Identifier
CH/T2005—1999
Continued Table 2
Number of code characters
Number of code characters
Number of code characters
In meters,
Content code
XXXXXX
Region
Positive and negative sign
Content code
In the minimum reading unit
In the minimum reading unit Reading 2 Only enter the second value part, and its actual value is determined by the program.
Aiming direction number arranged in the order of observation
XXX.XX XX
Content code
Result information (see Table 5)
Information name
Data mark
Observation sequence number
Horizontal angle measuring station
Adjustment direction value
Vertical angle adjustment sign
Horizontal angle score
Vertical point angle score
Unit weighted mean error
Mean error of adjustment value
Horizontal observation arc seconds
Shift observation arc seconds value
Other record information (see Table 6)
Information name
Rat measurement number
Remeasurement rate
Horizontal angle Secondary
Number of reading difference exceeding limit in observation
2:3.Difference or half-measured angle value
Number of difference exceeding limit
Secondary
Statistics of reading difference distribution in horizontal angle observation
2C or half-measured angle
Statistics of value difference change
Secondary
Number of reading difference exceeding limit in vertical angle observation
Number of index difference exceeding limit
Secondary
Statistics of reading difference distribution in vertical angle observation
Statistics of index difference change
Identifier
Identifier
CH/T2005... 1999
Number of code characters
Number of code characters
Content code
The order number of each angle (or direction) value measured (including the angle value order number of the vertical angle and the invalid angle)
The positive and negative signs are in units of 0.01\, and the degree and minute values are included in other information, the same as 4.
Positive and negative signs
In units of 0.01\
M is converted to the mean error of the direction of the adjustment value, in units of 0.01\, the same as 4: When observing the angle, it should be converted to the left angle value. 冏1.
Content code
In units of percentage.
X×Xx×
Average value
Mean error
In the unit of (0.0}\:
Each interval
See the Appendix to the Basic Provisions ((reference). In the unit of 0.01\,
See Appendix B (reference)
Average value
Mean error
XXXXXX
Number of statistics
(3×7)
Number of statistics for each interval (2X7)
(In the unit of 0.01\)
In the unit of 0.01\.
Information name
Horizontal angle observation limit
Vertical angle observation limit
2.7 Direction, angle number
Identifier
CH/T 2005
Continued Table 6
Number of code characters
Direction and angle numbers are applicable to the configuration of degree plates, storage and access of angle values, etc. 2.7.1 Direction number
Content code
Limit of difference between two readings
2CLimit of mutual difference or half-measured angle difference
:Limit of tile difference in the same direction or at the same angle Xxx
Limit of angle closure error, zeroing error or difference between direct angle and indirect angle
Limit of two readings
Limit of mutual difference between index difference
Limit of mutual difference
(in seconds)
If n directions are observed at the measuring station, a direction with moderate distance, good visibility and clear imaging is taken as the starting direction No. 1, and the directions are numbered from 1 to n in clockwise order.
2.7.2 Full combination observation angle number
Let (ij) be a certain combination angle, that is, the angle from direction No. 1 to direction No. 1 clockwise, and i
X××××
For any content that is not recorded, the corresponding items may not be printed.
In order of direction number.
NOO indicates the cumulative number of the observation sequence when recording the observation condition information.
The time when the observation condition information is randomly recorded is recorded in the TMON item.
In order of direction number.
In order of direction number.
In order of round number and angle number.
6 Print format of invalid data (see Table 17)
5.1.7 Print format of appendix
CH/T 2005
：1999
Continued Table 16
Xxx××
In order of measurement number and direction number
1./V means: when S is a horizontal angle, the code is I; when S is a vertical angle, the code is √. In order of observation order.
The printed content of the appendix can be the accuracy assessment results, remeasurement rate and other observation quality records, tolerance records, etc. The specific format is not specified. The identifier of the appendix area is TEST. When printing, its identifier should be printed at the beginning of the appendix area. 5.2 Tape recording
When recording the tape data file, the result table must be printed. Its format is implemented according to 5.1. For the selection of tapes, recording, annotation, file name setting, and file proofreading, please refer to the Basic Regulations. Data recorded on ordinary cassette tapes must be transferred to large-capacity tapes or disks for storage. 5.2.1 Tape Recording Data Structure
The recording data structure of each station recorded on the tape is shown in Table 18. Table 18
Storage File
Station Title File
Station Record File
5.2.2 File Format
Title Area
Station Record Area
Appendix Area
All unused character positions
-must be spaces (see Table 19).
Angle measurement title area
Station title area
Observation result area
Observation condition area
Horizontal angle data area
Vertical angle data area
Discarded data area
Information name
(spare)
(spare)
Variable character position
70 --79
62--79
76—79
240—bzxZ.net
CH/T2005
The variable character position refers to the starting position of the characters stored in the character variable. The address refers to the relative position of the stored characters. One character occupies one byte. The capacity of one address unit is one byte. The characters in the address unit are stored in the form of ASCI code.
The variables in this area are set as a one-dimensional character array with 3 subscripts, and its length is 80 characters.
NC is the number of times the condition information is recorded:
NN is the number of obsolete data to be retained.
NS is the length of the appendix area.
The variable in this area is set to a 1-dimensional character array with a length of 60 characters.
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