CN1614597A - Information collecting, recording and displaying method for land survey - Google Patents

Information collecting, recording and displaying method for land survey Download PDF

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Publication number
CN1614597A
CN1614597A CN 200410064780 CN200410064780A CN1614597A CN 1614597 A CN1614597 A CN 1614597A CN 200410064780 CN200410064780 CN 200410064780 CN 200410064780 A CN200410064780 A CN 200410064780A CN 1614597 A CN1614597 A CN 1614597A
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China
Prior art keywords
pda
information
base map
investigation
land
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CN 200410064780
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Chinese (zh)
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CN100362517C (en
Inventor
王庆
裴凌
王慧青
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Southeast University
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Southeast University
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Priority to CNB2004100647802A priority Critical patent/CN100362517C/en
Publication of CN1614597A publication Critical patent/CN1614597A/en
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Publication of CN100362517C publication Critical patent/CN100362517C/en
Expired - Fee Related legal-status Critical Current
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Abstract

A method of information collection, record and display in land investigation (LI) includes using land current situation vector drawing, compressed remote sensing image and line map as mother map led into PDA; receiving satellite data by GPS device and analysing the picked up information; displaying it on PDA screen after coordinate conversion and mother map matching; forming investigation map by GPS positioning point, existed point in mother map, screen taken point and distance cross point and logging in LI attribute of the map.

Description

Information acquisition in the land investigation, record and display packing
Technical field
The present invention is a kind of portable set that utilizes, and carries out for information about collection, record and display packing in land investigation, belongs to the technical field to land management electronic information and respective handling method thereof.
Background technology
Present status of land utilization has two kinds of expression waies in the industry of territory at present:
1. present status of land utilization paper figure;
2. be stored in the computing machine (PC, desk-top computer, notebook computer) with the database form, be presented on the computer screen with the form of vector.
When carrying out on-the-spot land investigation, the aforementioned calculation machine can't be moved to or inconvenience is used in the open air.And present method all is paper figure (no matter be that manual drawing gets paper figure, or Computer Database generating and the paper figure of output print) to be taken the field carry out field investigation.
The problem that present this method exists is:
1. the information that obtains of field investigation needs manual the plotting on paper figure, and both inconvenient field work has increased the operation of indoor information processing again, is easy to cause artificial error.
2. present notebook computer (containing panel computer) is not suitable for taking open-air use (volume and weight is all big, and display screen can not clearly show the content that will see in the sun in addition).
3. with the present landuse map of database form storage,, also need printout, increased cost for the scene of taking.
More than the key of these problems, be exactly be not convenient to use in the open air and with the electronic form storage, show the investigation apparatus and the corresponding method of land-use map (present landuse map of three kinds of forms: remote sensing image, line layout figure after polar plot, the compression).
Summary of the invention
Technical matters: the purpose of this invention is to provide information acquisition, record and display packing in a kind of land investigation, this method deposits the land-use map of three kinds of forms in PDA (palm PC) with the form of electronics base map, clearly be presented on the screen of PDA, finally can on the screen of PDA, finish the desired every work of land investigation fast and accurately.
Technical scheme: adopt palm PC (claiming PDA, mobile digital terminal again) and corresponding software to realize following technical scheme with touch-sensitive display:
Information acquisition in the land investigation of the present invention, record and display packing is characterized by: information acquisition, record and display packing are:
A, working base map is imported PDA: with vector present situation figure, RS compressing image figure, scanning line layout figure, the software that carries by PDA imports PDA,
B, utilize GPS receiving trap receiving satellite certificate, and in PDA, resolve and extract relevant information by the PDA handling procedure,
After c, process coordinate conversion and the working base map coupling, in the PDA base map, show current location, preserve original locating information simultaneously,
D, with scene point position information of gathering and the Information Selection flex point constituent investigation figure that in the PDA base map, shows current location,
E, import the land investigation attribute of this figure, preserve figure and attribute information,
Finished the field investigation of a figure.
Described working base map is: remote sensing image, line layout figure after present status of land utilization polar plot, the compression.
The flex point of selecting is to have had a few in GPS point or the vector base map or screen is got a little or apart from joint.
The information that gather on-the-spot some position is that GPS absolute fix point, vector base map are former a bit, the PDA screen is got point, apart from the positional information of joint.
Wherein, the PDA disposal route is:
A. program begins,
B. at first open base map,
If c. base map is compressing image figure, then, be presented at again on the PDA by decompressing, if not compressing image figure, then directly be presented on the PDA,
D. receive the satellite-signal of GPS receiving trap simultaneously,
E. then satellite message is resolved, extract location information,
It is f. the current location information that extracts is unified by coordinate conversion and base map coordinate system,
G. then current position is presented on the base map, and preserves original locating information,
H. by select the GPS absolute fix, select the vector base map former a bit, select the PDA screen to get a little or the method for chosen distance joint is selected flex point formation figure,
I. the association attributes of tablet pattern,
J. preserve figure and attribute information,
The k.PDA handling procedure finishes.
Wherein, coordinate conversion is to convert the geocentric coordinate system (WGS-84) that GPS receives to corresponding Gauss plane coordinate, through the planimetric coordinates conversion, its pressure is echoed local Gauss plane coordinate system system, the i.e. employed coordinate system of working base map then.
(1) demonstration of investigation base map: " figure " of three kinds of above-mentioned forms deposited in PDA, and exploitation PDA handling procedure is presented at figure on the PDA screen.
(2) reception of information, storage and demonstration: PDA receive external unit by its data connecting line, as GPS (GPS) main frame, the signal of sending, through the PDA handling procedure with these information analysis and be stored in the PDA, simultaneously, extract the positional information that GPS provided, and be presented on the PDA screen.
(3) the PDA handling procedure of the last exploitation of obtaining of measurement point position: PDA provides four kinds of methods of obtaining the measurement point position, selects to use according to on-site actual situations for the investigator:
The point that the on-the-spot location of A:GPS is provided;
Point on the B:PDA vector base map;
C: " pen " with PDA is straight by click the point that is generated on screen;
D: with above-mentioned three kinds of points again with the distance point that crosses out.
(4) formation in investigation plot: choose above four kinds of points that method is obtained with " pen ", constitute different geometric figure (polygon, straight line, broken line), the spatial information of storing these figures has just constituted different ground block messages.Simultaneously, according to corresponding techniques regulation, behind figure of every formation, when just pointing out user's typing land investigation on the PDA institute must gather, the correlation attribute information of record, the mode that the employing pull-down menu combines with the electronics handwriting input during entry information; So far finished the field process of land investigation.
The concrete key issue that solves is as follows:
1. for the present landuse map of having set up database: with the form (such as " county (city) level land use data library standard " and the series standard thereof issued according to Ministry of Land and Resources) of polar plot, by the PDA handling procedure, spatial information is presented on the display screen of PDA, and can amplify polar plot, dwindle, operations such as translation, query-related information, can write down electronic information from the outside (as the various information of GPS locating information, screen input etc.).
2. for RS striograph (electronic form): through PDA handling procedure compression back importing PDA, again with PDA handling procedure decompress(ion) and be presented on the display screen of PDA, software can amplify the RS striograph, dwindles, translation.
3. for present status of land utilization paper figure (containing RS papery figure): paper figure is scanned the back form raster pattern importing PDA after the compression of PDA handling procedure, again with on the display screen of PDA handling procedure through being presented at PDA behind the decompress(ion).Software can amplify the raster pattern of paper figure, dwindles, translation.
4. information acquisition and typing: the user is a foundation with the base map of three kinds of forms, finishes the work of land investigation information acquisition and typing on the screen of PDA.
Indication information of the present invention comprises:
A, GPS locating information (containing single-point locating information, difference positioning information, double frequency single-point difference information afterwards);
B, investigated the attribute information (this attribute information be meant when being defined in field investigation in Ministry of Land and Resources's land investigation rules essential information of collecting) in plot;
C, set up the present status of land utilization polar plot of database; The Aeronautics and Astronautics striograph; The scanning back forms the present status of land utilization paper figure of raster pattern.
Beneficial effect: the present invention's its advantage compared with prior art is:
A, land investigation have been realized totally digitilized collection and record;
B, on-the-spot land investigation have been realized with no paper operation, can save with a large amount of drawings to inconvenience that field investigation brought;
The use of c, PDA only needs to train slightly, and the general land manager of basic unit just can conveniently use and needn't know darker mapping professional knowledge.
D, can on the screen of PDA, finish the desired every work of land investigation fast and accurately.
The present invention can be mainly used in following field or industry:
(1) State owned land administrative authority is used for land investigation work.
(2) Mapping departments at different levels are used for land investigation.
Wherein land investigation comprises following four aspects:
1) soil change investigation
2) soil upgrades investigation
3) soil generaI investigation
4) clay detailed Investigation
Description of drawings
Fig. 1 is the connection diagram of total system involved in the present invention.
Fig. 2 is a PDA field investigation data flowchart of the present invention.
Fig. 3 is a PDA handling procedure FB(flow block) of the present invention.
Embodiment
Information acquisition in the land investigation of the present invention, record and display packing are:
A, working base map is imported PDA: with vector present situation figure, RS compressing image figure, scanning line layout figure, the software that carries by PDA imports PDA,
B, utilize GPS receiving trap receiving satellite certificate, and in PDA, resolve and extract relevant information by the PDA handling procedure,
After c, process coordinate conversion and the working base map coupling, in the PDA base map, show current location, preserve original locating information simultaneously,
D, with scene point position information of gathering and the Information Selection flex point constituent investigation figure that in the PDA base map, shows current location,
E, import the land investigation attribute of this figure, preserve figure and attribute information,
Finished the field investigation of a figure.
Described working base map is: remote sensing image, line layout figure after present status of land utilization polar plot, the compression.
The flex point of selecting is to have had a few in GPS point or the vector base map or screen is got a little or apart from joint.
The information that gather on-the-spot some position is that GPS absolute fix point, vector base map are former a bit, the PDA screen is got point, apart from the information of joint.
As Fig. 1, PDA is connected with dedicated data line with PC, in Fig. 2, with vector present situation figure, RS compressing image figure, scanning line layout figure, the software that carries by PDA imports PDA; Pull up the data line of PDA and PC then, PDA is connected (as Fig. 1) with the GPS receiving trap with signal wire; Open GPS receiving trap and PDA handling procedure, receive the gps satellite text, and resolve, extract current position information, a position is presented at the corresponding tram of base map, and preserves original locating information; The investigator by the PDA handling procedure in the open air by the GPS absolute fix, select that the vector base map is former a bit, the PDA screen is got point, obtained current some position information apart from methods such as joints, on the PDA handling procedure, select needed flex point then, constitute figure (point, line, surface); The association attributes of tablet pattern, and preserve graphical information and attribute information, so just finished the field investigation of a figure.
The PDA disposal route is:
A. program begins head
B. open base map earlier,
If d. base map is compressing image figure, then, be presented at again on the PDA by decompressing, if not compressing image figure, then directly be presented on the PDA;
E. receive the satellite-signal of GPS receiving trap simultaneously;
F. satellite message is resolved then, extract location information;
G. the current location information that extracts is unified by coordinate conversion and base map coordinate system;
H. then current position is presented on the base map, and preserves original locating information;
I. by select the GPS absolute fix, select the vector base map former a bit, select the PDA screen to get a little or the method for chosen distance joint is selected flex point formation figure;
J. the association attributes of tablet pattern;
K. preserve figure and attribute information;
The l.PDA handling procedure finishes.
Wherein, coordinate conversion is to convert the geocentric coordinate system (WGS-84) that GPS receives to corresponding Gauss plane coordinate, through the planimetric coordinates conversion, its pressure is echoed the planimetric coordinates system of this locality, i.e. the employed coordinate system of working base map then.

Claims (5)

1, information acquisition, record and the display packing in a kind of land investigation, it is characterized by: information acquisition, record and display packing are:
A. working base map is imported PDA: with vector present situation figure, RS compressing image figure, scanning line layout figure, the software that carries by PDA imports PDA,
B. utilize GPS receiving trap receiving satellite certificate, and in PDA, resolve the extraction relevant information by the PDA handling procedure,
C. through after coordinate conversion and the working base map coupling, in the PDA base map, show current location, preserve original locating information simultaneously,
D. information that scene point position is gathered and the Information Selection flex point constituent investigation figure that in the PDA base map, shows current location,
E. import the land investigation attribute of this figure, preserve figure and attribute information,
Finished the field investigation of a figure.
2, information acquisition, record and the display packing in the land investigation according to claim 1 is characterized in that described working base map is: remote sensing image, line layout figure after present status of land utilization polar plot, the compression.
3, information acquisition, record and the display packing in the land investigation according to claim 1 is characterized by: the flex point of selection is to have had a few in GPS point or the vector base map or screen is got a little or apart from joint.
4, information acquisition, record and the display packing in the land investigation according to claim 1 is characterized by: the information that gather on-the-spot some position is that GPS absolute fix point, vector base map are former a bit, the PDA screen is got point, apart from the information of joint.
5, information acquisition, record and the display packing in the land investigation according to claim 1 is characterized in that the PDA disposal route is:
A. program begins,
B. at first open base map,
If c. base map is compressing image figure, then, be presented at again on the PDA by decompressing, if not compressing image figure, then directly be presented on the PDA,
D. receive the satellite-signal of GPS receiving trap simultaneously,
E. then satellite message is resolved, extract location information,
It is f. the current location information that extracts is unified by coordinate conversion and base map coordinate system,
G. then current position is presented on the base map, and preserves original locating information,
H. by select the GPS absolute fix, select the vector base map former a bit, select the PDA screen to get a little or the method for chosen distance joint is selected flex point formation figure,
I. the association attributes of tablet pattern,
J. preserve figure and attribute information,
The k.PDA handling procedure finishes.
Wherein, coordinate conversion is to convert the geocentric coordinate system (WGS-84) that GPS receives to corresponding Gauss plane coordinate, through the planimetric coordinates conversion, its pressure is echoed local Gauss plane coordinate system system, the i.e. employed coordinate system of working base map then.
CNB2004100647802A 2004-09-28 2004-09-28 Information collecting, recording and displaying method for land survey Expired - Fee Related CN100362517C (en)

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Application Number Priority Date Filing Date Title
CNB2004100647802A CN100362517C (en) 2004-09-28 2004-09-28 Information collecting, recording and displaying method for land survey

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100647802A CN100362517C (en) 2004-09-28 2004-09-28 Information collecting, recording and displaying method for land survey

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CN100362517C CN100362517C (en) 2008-01-16

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100349000C (en) * 2005-10-13 2007-11-14 江苏省农业科学院 Satellite remote sensing evaluation method for agricultural product crop rotation period
CN101452072B (en) * 2008-12-26 2011-07-27 东南大学 Electronic information system for earth monitor and method thereof
CN102270277A (en) * 2011-07-08 2011-12-07 福州特力惠电子有限公司 Territorial resource GPS (Global Positioning System) mobile law enforcement system and method
CN101604326B (en) * 2009-07-16 2012-08-01 浙江大学 Land use data update and analysis method based on event semantics
CN103049583A (en) * 2012-12-17 2013-04-17 上海市房屋土地资源信息中心 Conversion method and conversion interface of land monitoring data
CN103440103A (en) * 2013-08-19 2013-12-11 东南大学 Method for constructing and correcting pattern spot guided by multi-point touch screen portable device
CN104504057A (en) * 2014-12-19 2015-04-08 东南大学 Public-network-map-aided land survey method
CN109634507A (en) * 2018-12-03 2019-04-16 广东国图勘测地理信息有限公司 It is a kind of can touch-control electronic map control method and device
CN109905612A (en) * 2019-03-25 2019-06-18 山东省交通规划设计院 Portable Road Design full-view image field investigation system and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1281188A (en) * 2000-08-12 2001-01-24 南宁市天测科技有限责任公司 Real-time processing system of surveyed data and graphics for palm computer
CN1396461A (en) * 2001-07-12 2003-02-12 圣诠科技股份有限公司 Automatic field investgation system combining digital dynamic image with GPS
CN1224929C (en) * 2001-12-13 2005-10-26 吴炳方 System and method for integrated field information collecting, positioning and processing
US6581003B1 (en) * 2001-12-20 2003-06-17 Garmin Ltd. Systems and methods for a navigational device with forced layer switching based on memory constraints

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100349000C (en) * 2005-10-13 2007-11-14 江苏省农业科学院 Satellite remote sensing evaluation method for agricultural product crop rotation period
CN101452072B (en) * 2008-12-26 2011-07-27 东南大学 Electronic information system for earth monitor and method thereof
CN101604326B (en) * 2009-07-16 2012-08-01 浙江大学 Land use data update and analysis method based on event semantics
CN102270277A (en) * 2011-07-08 2011-12-07 福州特力惠电子有限公司 Territorial resource GPS (Global Positioning System) mobile law enforcement system and method
CN103049583A (en) * 2012-12-17 2013-04-17 上海市房屋土地资源信息中心 Conversion method and conversion interface of land monitoring data
CN103440103A (en) * 2013-08-19 2013-12-11 东南大学 Method for constructing and correcting pattern spot guided by multi-point touch screen portable device
CN103440103B (en) * 2013-08-19 2016-08-03 东南大学 The figure speckle guided based on multi-point touch screen portable device builds and modification method
CN104504057A (en) * 2014-12-19 2015-04-08 东南大学 Public-network-map-aided land survey method
CN104504057B (en) * 2014-12-19 2017-09-15 东南大学 A kind of method that utilization public network map aids in land investigation
CN109634507A (en) * 2018-12-03 2019-04-16 广东国图勘测地理信息有限公司 It is a kind of can touch-control electronic map control method and device
CN109905612A (en) * 2019-03-25 2019-06-18 山东省交通规划设计院 Portable Road Design full-view image field investigation system and method

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