CN106403916B - The total powerstation and its working method of alignment are measured based on digital image - Google Patents
The total powerstation and its working method of alignment are measured based on digital image Download PDFInfo
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- CN106403916B CN106403916B CN201611096144.7A CN201611096144A CN106403916B CN 106403916 B CN106403916 B CN 106403916B CN 201611096144 A CN201611096144 A CN 201611096144A CN 106403916 B CN106403916 B CN 106403916B
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- total powerstation
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
Abstract
The invention discloses a kind of total powerstation and its working method measuring alignment based on digital image, the total powerstation includes aligning parts, and aligning parts are the miniature CCD device for shooting mounted on alidade central axes bottom.Total powerstation of the present invention is set up in close to known coordinate point A, and the current centering coordinate points A ' of instrument is measured using digital image technology, and Point Coordinates are measured further according to A ', two point coordinates of B.Change the centering of conventional multi alternate repetition, leveling, debugging method early period of Step wise approximation known coordinate point centering, it is only necessary to flatten, be not necessarily to precise alignment, reduce operation difficulty, greatly improve working efficiency.
Description
Technical field
The invention belongs to engineering mapping technical fields, and in particular to based on digital image measure alignment total powerstation and its
Working method.
Background technology
Total powerstation is engineering survey common instrument, when use must total powerstation precise alignment on a certain known coordinate point and
Accurate leveling inputs the known point coordinates and the known point coordinates of another orientation, aims at another known point direction and surveys side as beginning,
Horizontal angle and the distance of unknown point are measured to determine unknown point plane coordinates.Centering method has optics and laser alignment two at present
Kind of method all needs centering, the multiple alternate repetition Step wise approximation of leveling, accurately not only centering known point mark but also could flatten instrument
Device needs 5~6 minutes of cost skilled survey crew, and may expend more than half hour for beginner is surveying
In the preliminary preparation of amount, working efficiency is dragged down significantly.And due to being carried out to known coordinate point mark center using human eye
Identification, actually there are still certain errors when precise alignment.
Invention content
The technical problem to be solved in the present invention is to provide a kind of total powerstations and its work measuring alignment based on digital image
Make method, total powerstation is set up in close at known coordinate point, the current centering coordinate of total powerstation is obtained based on digital image technology
Point, it is only necessary to flatten, without artificial mobile progress precise alignment known coordinate point, improve working efficiency.
The invention is realized by the following technical scheme：
Measure the total powerstation of alignment, including aligning parts based on digital image, the aligning parts are mounted on sighting
The miniature CCD device for shooting of portion central axes bottom.
The present invention is further improved scheme, and the miniature CCD device for shooting pixel is not less than 1,000,000 pixels.For ensureing
Distance shared by each pixel reaches the above precision of millimeter in image, and then ensures the final accurate of current centering coordinate points measuring and calculating value
Property it is high.
The further improvement project of the present invention is that the miniature CCD device for shooting is 50 lis away from ground coordinate point vertical height
Rice is to 200 centimetres.
The further improvement project of the present invention is, including keyboard operation panel, and keyboard operation panel is equipped with shooting button,
Shooting button signal connects miniature CCD device for shooting.It is conveniently operated.
The total powerstation working method that alignment is measured based on digital image measures alignment by above-mentioned based on digital image
Total powerstation is located at by tripot close to above known coordinate point A, and coordinate points A is made to fall into CCD device for shooting coverages, whole
Flat total powerstation, rotation total powerstation alidade make lens barrel aim at prism centers and ranging on the directions known orientation point B, open CCD and clap
Device shooting function is taken the photograph, obtaining has known coordinate point A and current total powerstation centering coordinate points A ' digital images；
Calculate A ' point coordinates：
Known A point coordinates (XA,YA）, B point coordinates（(XB,YB）, then AB grid azimuths α=arcTan ((YB-YA)/(XB-
XA)), 2 points of distance AB of A, B=,
2 points of A ', B distance A ' B are determined by total powerstation ranging,
A, 2 points of distance A A ' of A ' are determined by image technique, i.e., the marker of regular figure, mark are arranged on coordinate points A
Remember that object central point is Chong Die with coordinate points A, it is known that certain segment distance of marker is R, and digital figure software identifies shot image acceptance of the bid
Remember object segment distance pixel r, and A is acquired with A ' pixel coordinates of centre according to the pixel coordinate of marker central point A
A ' pixel distance d, and calculate the actual range of A A '：A A′=,
As A B+A A ' ＞ A ' B and A ' B+A A ' ＞ A B, 3 points of A, B, A ' surrounds triangle, according to cosine
Theorem, then,
If A points are on the right side of A ' B, A A ' grid bearings angle beta=α-∠ A, if A points on the left of A ' B, A A ' grid bearings angle beta=α
+ ∠ A obtain centering A ' point coordinates, XA′= XA+ A A ' Cos β, YA′= YA+A A′Sinβ；
As A B+A A ' ≯ A ' B and A ' B+A A ' ≯ A B, 3 points of A, B, A ' point-blank, if A ' B+
When A A '=A B, A ' fronts in the directions A B obtain centering A ' point coordinates, XA′= XA + A A ' Cos α, YA′= YA
+ A A ' Sin α, if when A ' B-A A '=A B, A ' dead asterns in the directions A B obtain centering A ' point coordinates, XA′=
XA - A A ' Cos α, YA′= YA - A A ' Sin α, if when A ' B=A B, A ' in the surface of A points, that is, obtain centering A ' points
Coordinate, XA′= XA, YA′= YA 。
Point Coordinates can be measured further according to A ', two point coordinates of B.
The further improvement project of the present invention is that the marker is circle, and R is circular radius, or is labeled as equilateral three
Angular, R is the triangle length of side, or is labeled as regular polygon, and R is polygonal side length.
The further improvement project of the present invention is that total powerstation centering coordinate points A ' pixel coordinates determine method, first claps one
Digital image, then accurate rotation " clap a digital image, two digital images are identified by digital figure software for 180 ° 00 ' 00
The pixel coordinate of overlapping region central point is A ' pixel coordinates in shot image.Since the centering coordinate points A ' of total powerstation is ideal
Digital image center picture point under state, but due to will produce offset during equipment installation and use, the present invention to this into
A ' pixel coordinates of having gone are corrected determination.
Compared with prior art, the present invention having following obvious advantage：
Total powerstation of the present invention is set up in close to known coordinate point A, and it is currently right to measure instrument using digital image technology
Middle coordinate points A ' measures Point Coordinates further according to A ', two point coordinates of B.The centering of conventional multi alternate repetition, leveling are changed,
Debugging method early period of Step wise approximation known coordinate point centering, it is only necessary to flatten, be not necessarily to precise alignment, reduce operation difficulty, significantly
Improve working efficiency.
Description of the drawings
Fig. 1 is total powerstation structural schematic diagram of the present invention.
Fig. 2 is to include A, A ' digital image schematic diagrames.
Fig. 3 is A points grid azimuth schematic diagram at A ' right sides.
Fig. 4 is A points grid azimuth schematic diagram at A ' left sides.
Fig. 5 is A ' front schematic diagrames in the directions A B.
Fig. 6 is A ' dead astern schematic diagrames in the directions A B.
Fig. 7 is that total powerstation centering coordinate points A ' pixel coordinates determine schematic diagram.
Specific implementation mode
As shown in Figure 1, total powerstation of the present invention includes leveling pedestal 1,1 top installation alidade 2 of pedestal, sighting
The miniature CCD device for shooting 3 of the former instrument aligning parts of 2 central axes bottom of portion installation substitution, the miniature CCD device for shooting pixel be not small
In 1,000,000 pixels.The miniature CCD device for shooting is about 100 centimetres away from ground coordinate point vertical height.
Shooting button is equipped on keyboard operation panel in order to facilitate the operation, shooting button signal connects miniature CCD shooting
Device.
Total powerstation working method is as follows, is made marks object with the roundel 4 of known radius R first on known coordinate point A,
Marker central point is Chong Die with coordinate points A, and then total powerstation of the present invention is fixed on the special tripod of engineering survey, is beaten
Opening three legs of tripod makes the rough vertical of centre to above the label of known coordinate point A and frame head is approximate horizontal, making seat
Punctuate A is fallen into CCD device for shooting coverages, treads tripod, then accurately flattens instrument by three foot screws on total powerstation,
Rotation total powerstation alidade makes lens barrel aim at prism centers and ranging on the directions known orientation point B, opens CCD device for shooting and shoots work(
Can, obtaining has known coordinate point A and current total powerstation centering coordinate points A ' digital images；
Calculate A ' point coordinates：
Known A point coordinates (XA,YA）, B point coordinates（(XB,YB）, then AB grid azimuths α=arcTan ((YB-YA)/(XB-
XA)), 2 points of distance AB of A, B=,
2 points of A ', B distance A ' B are determined by total powerstation ranging,
A, 2 points of distance A A ' of A ' are determined by image technique, i.e. marker half in digital figure software identification shot image
Diameter pixel r, and A A ' pixel distances are acquired with A ' pixel coordinates of centre according to the pixel coordinate of marker central point A
d（As shown in Figure 2）, and calculate the actual range of A A '：A A′=,
As A B+A A ' ＞ A ' B and A ' B+A A ' ＞ A B, 3 points of A, B, A ' surrounds triangle, according to cosine
Theorem, then,
If A points are on the right side of A ' B, A A ' grid bearings angle beta=α-∠ A（As shown in Figure 3）If A points are on the left of A ' B, A A ' seats
Mark azimuthal angle beta=α+∠ A（As shown in Figure 4）, that is, obtain centering A ' point coordinates, XA′= XA+ A A ' Cos β, YA′= YA +A A′
Sinβ；
As A B+A A ' ≯ A ' B and A ' B+A A ' ≯ A B, 3 points of A, B, A ' point-blank, if A ' B+
When A A '=A B, A ' fronts in the directions A B（As shown in Figure 5）, that is, obtain centering A ' point coordinates, XA′= XA + A A′
Cos α, YA′= YA + A A ' Sin α, if when A ' B-A A '=A B, A ' dead asterns in the directions A B（As shown in Figure 6）,
Obtain centering A ' point coordinates, XA′= XA - A A ' Cos α, YA′= YA - A A ' Sin α, if when A ' B=A B, A ' in A points
Surface, that is, obtain centering A ' point coordinates, XA′= XA, YA′= YA 。
Point Coordinates can be measured further according to A ', two point coordinates of B.
Since the centering coordinate points A ' of total powerstation is ideally digital image center picture point, but since equipment is installed
And offset is will produce during use, the present invention has carried out this A ' pixel coordinates and has been corrected determination.Total powerstation centering is sat
Punctuate A ' pixel coordinates determine method, first clap a digital image, then accurate rotation " is clapped a digital image, led to for 180 ° 00 ' 00
It crosses digital figure software and identifies that the central point pixel coordinate O of two digital image overlapping regions is A ' pixels seat in shot image
Mark（As shown in Figure 7）.
Claims (6)
1. measuring the total powerstation working method of alignment based on digital image, which includes leveling pedestal（1）, pedestal（1）
Top is installed by alidade（2）, in alidade（2）The miniature CCD device for shooting of the former instrument aligning parts of central axes bottom installation substitution
（3）；It is characterized in that：
Above-mentioned total powerstation is located at by tripot close to above known coordinate point A, coordinate points A is made to fall into the bat of CCD device for shooting
It takes the photograph in range, flattens total powerstation, rotation total powerstation alidade makes lens barrel aim at prism centers and survey on the directions known orientation point B
Away from unlatching CCD device for shooting shooting functions, obtaining has known coordinate point A and current total powerstation centering coordinate points A ' digital images；
Calculate A ' point coordinates：
Known A point coordinates (XA,YA）, B point coordinates（XB,YB）, then AB grid azimuths α=arcTan ((YB-YA)/(XB-XA)), A,
2 points of distance AB of B=,
2 points of A ', B distance A ' B are determined by total powerstation ranging,
A, 2 points of distance A A ' of A ' are determined by image technique, i.e., the marker of regular figure, mark are arranged on known coordinate point A
Remember that object central point is Chong Die with coordinate points A, it is known that certain segment distance of marker is R, and the identification of digital figure software determines digital image
The pixel r of middle marker segment distance R, and sat according to A ' pixels of pixel coordinate and centre of marker central point A
Mark acquires A A ' pixel distance d, and calculates the actual range of A A '：A A′=,
As A B+A A ' ＞ A ' B and A ' B+A A ' ＞ A B, 3 points of A, B, A ' surrounds triangle, according to the cosine law,
Then,
If A points are on the right side of A ' B, A A ' grid bearings angle beta=α-∠ A, if A points on the left of A ' B, A A ' grid bearings angle beta=α+∠
A obtains centering A ' point coordinates, XA′= XA+ A A ' Cos β, YA′= YA+A A′Sinβ；
As A B+A A ' ≯ A ' B and A ' B+A A ' ≯ A B, 3 points of A, B, A ' point-blank, if A ' B+A
When A '=A B, A ' fronts in the directions A B obtain centering A ' point coordinates, XA′= XA + A A ' Cos α, YA′= YA +
A A ' Sin α, if when A ' B-A A '=A B, A ' dead asterns in the directions A B obtain centering A ' point coordinates, XA′=
XA - A A ' Cos α, YA′= YA - A A ' Sin α, if when A ' B=A B, A ' in the surface of A points, that is, obtain centering A ' points
Coordinate, XA′= XA, YA′= YA ；
Point Coordinates can be measured further according to A ', two point coordinates of B.
2. the total powerstation working method according to claim 1 for measuring alignment based on digital image, it is characterised in that：Institute
It states miniature CCD device for shooting pixel and is not less than 1,000,000 pixels.
3. the total powerstation working method according to claim 1 or 2 for being measured alignment based on digital image, feature are existed
In：The miniature CCD device for shooting is 50 centimetres to 200 centimetres away from ground coordinate point vertical height.
4. the total powerstation working method according to claim 1 for measuring alignment based on digital image, it is characterised in that：Packet
Keyboard operation panel is included, keyboard operation panel is equipped with shooting button, and shooting button signal connects miniature CCD device for shooting.
5. the total powerstation working method according to claim 1 for measuring alignment based on digital image, it is characterised in that：Institute
It is circle to state marker, and R is circular radius, or is labeled as equilateral triangle, and R is the triangle length of side, or is labeled as regular polygon,
R is polygonal side length.
6. the total powerstation working method according to claim 1 for measuring alignment based on digital image, it is characterised in that：Entirely
Instrument centering coordinate points A ' pixel coordinates of standing determine method, first clap a digital image, then accurate rotation " claps one for 180 ° 00 ' 00
Digital image, by digital figure software identify two digital image overlapping regions central point pixel coordinate O be bat figure
A ' the pixel coordinates as in.
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| CN107449394B (en) * | 2017-06-30 | 2020-02-28 | 沈阳建筑大学 | Electronic centering system of total station and centering automatic compensation method thereof |
| CN108151717A (en) * | 2017-11-15 | 2018-06-12 | 四川建筑职业技术学院 | A kind of Full automatic quadrat method based on BIM systems |
| EP3660451B1 (en) * | 2018-11-28 | 2022-04-27 | Hexagon Technology Center GmbH | Intelligent stationing module |
| CN109813222B (en) * | 2019-03-10 | 2020-07-14 | 河南省水利勘测有限公司 | Measurement method based on well room coordinate measurement auxiliary device |
| CN110174095B (en) * | 2019-05-30 | 2021-03-16 | 淮阴工学院 | Total station instrument for digital image centering and method for measuring horizontal angle by using total station instrument |
| CN111521167B (en) * | 2020-06-17 | 2022-10-04 | 陕西航光空间技术有限公司 | Centering instrument for automatically measuring centering point of surveying and mapping instrument based on image control and working method thereof |
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| JP3965593B2 (en) * | 1998-07-08 | 2007-08-29 | 株式会社トプコン | Surveying device centripetal position measuring device and surveying instrument |
| JP4424665B2 (en) * | 2004-07-30 | 2010-03-03 | 株式会社 ソキア・トプコン | Surveying instrument |
| WO2009100773A1 (en) * | 2008-02-12 | 2009-08-20 | Trimble Ab | Localization of a surveying instrument in relation to a ground mark |
| CN103644899A (en) * | 2013-12-06 | 2014-03-19 | 苏州迅威光电科技有限公司 | Laser centering module for total station |
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Address after: 223200 Jiangsu province Huaian Huaian District bamboo Lane Street Huaiyin Institute of Technology Xiao Hu Campus Applicant after: HUAIYIN INSTITUTE OF TECHNOLOGY Address before: 223005 Huaian 1 Jiangsu Higher Education Park Applicant before: HUAIYIN INSTITUTE OF TECHNOLOGY |
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Denomination of invention: A Total Station Based on Digital Image for Measuring Alignment Points and Its Working Method Effective date of registration: 20221207 Granted publication date: 20181002 Pledgee: Huaian Qingjiang puyintai financing Company limited by guarantee Pledgor: HUAIAN CONSTRUCTION ENGINEERING QUALITY INSPECTION CENTER Co.,Ltd. Registration number: Y2022980024845 |
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