CN105677843B - A kind of automatic acquisition ancestor four to attribute method - Google Patents
A kind of automatic acquisition ancestor four to attribute method Download PDFInfo
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Abstract
The invention discloses a kind of automatic acquisition ancestor four to attribute method, be related to GIS data processing technology field.This method obtains other figure spot lists for having Space Lorentz Curve with center figure spot by space querying and analysis, relative position relation judgement is carried out further according to the azimuth of the abutment line head and the tail node line or the two center of gravity line of other figure spots and center figure spot, and then obtain the four of center figure spot to (to the east of, south to, west to, north to) method of information, there is higher execution efficiency.
Description
Technical field
The present invention relates to GIS data processing technology field, more particularly to it is a kind of automatic with obtaining ancestor four to category
Property method, fill in process to attribute applied to during cadastral inventory later stage data processing especially four.
Background technology
Ancestor ground is the minimum unit of land deeds, refers to the blind area formed with ownership boundary line, ancestor four to referring to a ground
The handing-over boundary line in four orientation and adjacent ground.China is general to require to fill in the performance data of confirmation of land right relevant item
And with submitting ancestor four to attribute.
Currently, for ancestor four to attribute acquisition, mainstream GIS software platform do not provide the function of customization to solve
This problem, the scheme generally used by staff after eye recognition and mental judgement, are incited somebody to action under ArcGIS platforms
Four are manually filling in attribute list to attribute, and not only heavy workload, process are cumbersome for this mode, it is longer to take, and be easy because
Fatigue causes mistake.
Invention content
The purpose of the present invention is to provide a kind of automatic acquisition ancestor four to attribute method, to solve in the prior art
Existing foregoing problems.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
A kind of automatic acquisition ancestor four to attribute method, include the following steps：
S1 obtains cadastral parcel vector basic database；
S2, according to the cadastral parcel vector basic database, determine has Space Lorentz Curve with center cadastral parcel
Adjacent cadastral parcel；
S3 obtains the head and the tail node line of the center cadastral parcel and the adjacent cadastral parcel abutment line, or, described
The center of gravity line of center cadastral parcel and the adjacent cadastral parcel；
S4 obtains the center ancestor according to the azimuth of the head and the tail node line or the azimuth of the center of gravity line
Relative tertiary location relationship between ground figure spot and the adjacent cadastral parcel；
S5 stores the title of the adjacent cadastral parcel according to the relative tertiary location relationship got in S4
Into the correspondence attribute of the center cadastral parcel.
Preferably, in S1, the cadastral parcel vector basic database passes through remote sensing or photography measurement image interpretation, number
The field operation mapping on the spot of word total powerstation or existing national basis mapping geography information result map obtain.
Preferably, the cadastral parcel vector basic database includes the name information of all cadastral parcels, the ancestor
The name information of ground figure spot is stored in the corresponding attribute list of the vector basic data.
Preferably, S2 includes the following steps：
S201, in the cadastral parcel vector basic database got in S1, obtained by ID number index described in
The vector basic data of center cadastral parcel；
Spatial relationship value in the center cadastral parcel vector basic data is disposed adjacent to by S202, acquisition and institute
Stating center cadastral parcel has the adjacent cadastral parcel of Space Lorentz Curve.
Preferably, S4 is to judge whether the length of the head and the tail node line reaches setting value, if it is, according to institute
The azimuth for stating head and the tail node line obtains the space position between the center cadastral parcel and the adjacent cadastral parcel
Set relationship, otherwise, according to the azimuth of the center of gravity line, obtain the center cadastral parcel and the adjacent cadastral parcel it
Between relative tertiary location relationship.
Preferably, in S4, the azimuth of the head and the tail node line obtains as follows：
S401a obtains the center cadastral parcel and the adjacent cadastral parcel abutment line；
The abutment line is converted into point set, obtains beginning and end by S402a；
S403a, connection source and terminal form the head and the tail node line, and the center cadastral parcel is positioned at described
The right side of head and the tail node line；
S404a obtains the azimuth of the head and the tail node line in plane coordinate system.
Preferably, in S4, the azimuth of the center of gravity line obtains as follows：
S401b obtains the focus point of the center cadastral parcel and the adjacent cadastral parcel respectively；
S402b makees the focus point of the adjacent cadastral parcel using the focus point of the center cadastral parcel as starting point
For terminal, connection source and terminal form the center of gravity line；
S403b obtains the azimuth of the center of gravity line in plane coordinate system.
Preferably, the azimuth that directed line segment is determined in the plane coordinate system, is implemented as follows：
Azimuth angle alpha is 0 ° or 360 ° when directed line segment is directed toward direct north, and directed line segment is rotated clockwise to due east direction
When azimuth angle alpha be 90 °, and so on, the azimuth angle alpha in due south direction is 180 °, and the azimuth angle alpha in due west direction is 270 °, orientation
The value range of angle α be α ∈ [0 °, 360 °).
Preferably, S5 includes the following steps：
S501 determines the corresponding category of the center cadastral parcel according to the relative tertiary location relationship got in S4
Property field；
The title of the adjacent cadastral parcel is assigned to the attribute field and stored by S502.
Preferably, further include step before S501, determine in the vector basic data of the center cadastral parcel to include to deposit
Chu Si to attribute field.
The beneficial effects of the invention are as follows：Present example provide a kind of automatic acquisition ancestor four to attribute method, lead to
Cross space querying and analysis obtain with center figure spot have Space Lorentz Curve other figure spot lists, further according to other figure spots with
The abutment line head and the tail node line of center figure spot or the azimuth of the two center of gravity line carry out relative position relation judgement, and then obtain
Take the four of center figure spot to (to the east of, south to, west to, north to) method of information, there is higher execution efficiency.
Description of the drawings
Fig. 1 be automatic acquisition ancestor provided in an embodiment of the present invention four to attribute method flow schematic diagram.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.It should be appreciated that the specific embodiments described herein are only used to explain the present invention, it is not used to
Limit the present invention.
The main object of the present invention is especially at the data of confirmation of land right relevant item in GIS-Geographic Information System scope
During reason, the rule judged by diversified ancestor edge fit form and eye recognition is analyzed, in conjunction with cadastral inventory
In four to concept definition, find a kind of different from existing technical solution, relatively general automatic decision relative position and close
The method of system mitigates the workload of data processing personnel in a manner of improving traditional artificial processing, improves what performance data was submitted
Efficiency.
As shown in Figure 1, an embodiment of the present invention provides a kind of automatic acquisition ancestor four to attribute method, including walk as follows
Suddenly：
S1 obtains cadastral parcel vector basic database；
S2, according to the cadastral parcel vector basic database, determine has Space Lorentz Curve with center cadastral parcel
Adjacent cadastral parcel；
S3 obtains the head and the tail node line of the center cadastral parcel and the adjacent cadastral parcel abutment line, or, described
The center of gravity line of center cadastral parcel and the adjacent cadastral parcel；
S4 obtains the center ancestor according to the azimuth of the head and the tail node line or the azimuth of the center of gravity line
Relative tertiary location relationship between ground figure spot and the adjacent cadastral parcel；
S5 stores the title of the adjacent cadastral parcel according to the relative tertiary location relationship got in S4
Into the correspondence attribute of the center cadastral parcel.
It, can be by cadastral parcel centered on currently processed object, according to the embodiment of the present invention in actual mechanical process
The method of offer, complete currently processed object four to attribute it is automatic obtain and store after, another process object of reselection is made
Centered on cadastral parcel, to traverse cadastral parcel all in GIS-Geographic Information System, so complete all cadastral parcels four to
The automatic acquisition and storage of attribute.
Wherein it is possible to according to the number of cadastral parcel, sequentially centered on cadastral parcel.
Wherein, in S1, the cadastral parcel vector basic database passes through remote sensing or photography measurement image interpretation, number
Total powerstation field operation mapping on the spot or existing national basis mapping geography information result map obtain.
The cadastral parcel vector basic database includes the name information of all cadastral parcels, the cadastral parcel
Name information is stored in the corresponding attribute list of the vector basic data.
In a preferred embodiment of the present invention, S2 may include steps of：
S201, in the cadastral parcel vector basic database got in S1, obtained by ID number index described in
The vector basic data of center cadastral parcel；
Spatial relationship value in the center cadastral parcel vector basic data is disposed adjacent to by S202, acquisition and institute
Stating center cadastral parcel has the adjacent cadastral parcel of Space Lorentz Curve.
In a preferred embodiment of the present invention, S4 is to judge whether the length of the head and the tail node line reaches setting
Value, if it is, the azimuth according to the head and the tail node line, obtains the center cadastral parcel and the adjacent map-making parcel
Relative tertiary location relationship between spot, otherwise, according to the azimuth of the center of gravity line, obtain the center cadastral parcel with
Relative tertiary location relationship between the adjacent cadastral parcel.
In the embodiment of the present invention, the azimuth of the preferential vector line segment using abutment line head and the tail node, as the center
The basis for estimation of relative tertiary location relationship between cadastral parcel and the adjacent cadastral parcel, when the vector of the head and the tail node
The length of line segment is enough in short-term, it is believed that the azimuth of its head and the tail node line does not have sufficiently high reference value, then using weight
The azimuth of heart line is as basis for estimation.
In the embodiment of the present invention, in S4, the azimuth of the head and the tail node line can obtain as follows：
S401a obtains the center cadastral parcel and the adjacent cadastral parcel abutment line；
The abutment line is converted into point set, obtains beginning and end by S402a；
S403a, connection source and terminal form the head and the tail node line, and the center cadastral parcel is positioned at described
The right side of head and the tail node line；
S404a obtains the azimuth of the head and the tail node line in plane coordinate system.
Wherein, in S401a, following method may be used and implemented：
Vernier or index are established for the list of adjacent cadastral parcel, some figure being directed toward successively in sequence in list
Spot；The process for obtaining the figure spot and center figure spot abutment line, needs to use topology analyzing method, using the figure spot as topological analysis
Object obtains the figure spot and center using the geometric figure of center figure spot as input parameter using the method that topology objects solve
The intersection of figure spot, as vector line feature.
In the present embodiment, the head and the tail node line of abutment line is oriented vector line segment, for the line segment, if center ancestor
Ground figure spot is the right polygon of the line segment, then meets condition, otherwise, need the head and the tail node for exchanging the line segment, makes center ancestor ground
Figure spot becomes the right polygon of the line segment.
In a preferred embodiment of the present invention, in S4, the azimuth of the center of gravity line can be obtained as follows
It takes：
S401b obtains the focus point of the center cadastral parcel and the adjacent cadastral parcel respectively；
S402b makees the focus point of the adjacent cadastral parcel using the focus point of the center cadastral parcel as starting point
For terminal, connection source and terminal form the center of gravity line；
S403b obtains the azimuth of the center of gravity line in plane coordinate system.
In the present embodiment, center of gravity line is oriented vector line segment, the geometry weight of cadastral parcel centered on the starting point of the line segment
The heart, the geometric center of gravity that terminal is adjacent cadastral parcel.
Wherein, in a preferred embodiment of the invention, the azimuth of directed line segment is determined in the plane coordinate system,
It can be implemented as follows：
Azimuth angle alpha is 0 ° or 360 ° when directed line segment is directed toward direct north, and directed line segment is rotated clockwise to due east direction
When azimuth angle alpha be 90 °, and so on, the azimuth angle alpha in due south direction is 180 °, and the azimuth angle alpha in due west direction is 270 °, orientation
The value range of angle α be α ∈ [0 °, 360 °).
It is this that azimuthal method is provided in plane coordinate system, meet the conventional means in cartography, therefore, operation side
Just, it is convenient for extension and compatibility.
In a preferred embodiment of the invention, S5 may include steps of：
S501 determines the corresponding category of the center cadastral parcel according to the relative tertiary location relationship got in S4
Property field；
The title of the adjacent cadastral parcel is assigned to the attribute field and stored by S502.
Wherein, when the title of adjacent cadastral parcel being assigned to attribute field in S502, to the north of to for, need judge should
Whether adjacent cadastral parcel is first north to figure spot, if not first, it needs to be divided with comma with existing figure spot title
Every convenient for user's reading.
In a preferred embodiment of the invention, before S501, it can also include step, determine the center map-making parcel
Include the field of storage four to attribute in the vector basic data of spot.
Specific embodiment
Establish a space querying filter object pSpatialFilter, it is assumed that ancestor ground patch in the center of acquisition is
CenterFeature, using the geometry of center ancestor ground patch as the geometric attribute of space querying filter, by space querying
The spatial relationship of filter is set as Spatial Adjacency, and to ancestor patch basic data executes spacing query method, and will obtain
Qualified patch is added in a list, referred to as relatedFeatures.
Obtained related ancestor list may include one or more ground patches, for each patch in the list,
It is required for calculating the relationship of itself and center patch, specific calculating process is as follows：
1. taking out a ground patch element pFeature in list in sequence, it is converted into topological analysis object
PTopologicalOperator asks friendship method to obtain using the geometric figure of center patch as parameter using topological analysis object
The intersection for taking this ground patch and center patch, line of vector feature object pIntersectionPolyline is converted to by intersection.
2. calculating vector intersection length pLength, different processing modes is used according to the size of length：If pLength
=0 corresponding ancestor patch be not counted in four to range；If it is (false here that pLength is less than the threshold value Limit that user is previously set
If Limit=2), i.e. pLength<Make at the azimuth of 2 this of utilization ground patches and the directed line segment of center patch center of gravity line
For basis for estimation；Using this azimuth of patch and the intersection head and the tail node line of center patch is made if pLength >=2
For basis for estimation.
3. A is for using the azimuth of intersection head and the tail node line as the case where basis for estimation, being first arranged two
IPoint variables are handed over for storing starting point fromPoint and terminal toPoint, beginning and end vector as obtained by reading 1.
The attribute of line pIntersectionPolyline obtains.It is worth noting that, must assure that the line of vector for origin-to-destination
For section pLine, center patch is whether its right polygon (is right polygon by the method for IHitTest interfaces to be sentenced
It is disconnected), if being unsatisfactory for this condition, need to exchange the two.
The azimuth that the vector line segment that the two is formed is calculated according to the coordinate of starting point, terminal judges position relationship：Here false
If the plane coordinates of starting point is (x1, y1), the plane coordinates of terminal is (x2, y2), then azimuthal calculation formula isThe cadastral parcel is carried out with the relative position relation of center figure spot by following formula corresponding：
Capital E is represented to the east of S represents south extremely, and W is represented west to N represents north extremely in formula.
3. B is using the azimuth of patch geometric center of gravity line as the case where basis for estimation, needing to be arranged variable for storing
The geometric center of gravity of two figures, the wherein geometric center of gravity of center cadastral parcel are formCenterPoint, adjacent cadastral parcel
Geometric center of gravity is toCenterPoint.
The azimuth for the directed line segment that the two is formed is calculated according to the coordinate of two geometric center of gravity, it is assumed that formCenterPoint
Plane coordinates be (x0, y0), the plane coordinates of toCenterPoint is (x0 ', y0 '), and calculation formula isThis ground is carried out with the relative position relation of center cadastral parcel by following formula corresponding：
Capital E is represented to the east of S represents south extremely, and W is represented west to N represents north extremely in formula.
4. with handling the adjacent ancestor for including in list relatedFeatures successively patch.
After relationship of the data with center ancestor ground patch during list is determined, need to arrive the title storage of the patch
In the attribute list of center patch, before storing attribute it needs to be determined that ancestor whether include east in the attribute list of patch basic data
To, south to, west to, north to four fields, need to create this four fields if there is no if；To the east of to for, carry out data
When storage, need to check whether the patch is first to the east of patch, if it is not, on the basis of then needs original to the east of attribute
A separator is added, then adds the title of the patch.
There is no adjacent patch four to attribute default setting be " road ".
The process automatically processed to a ground patch is explained above, to ancestor other in patch basic data
Patch is similarly handled, then completes the four of the basic data to the automatic acquisition process of attribute.
By using above-mentioned technical proposal disclosed by the invention, following beneficial effect has been obtained：Present example provides
A kind of automatic acquisition ancestor four to attribute method, by space querying and analysis obtain with center figure spot have Spatial Adjacency
Other figure spot lists of relationship, further according to the abutment line head and the tail node line or the two center of gravity line of other figure spots and center figure spot
Azimuth carry out relative position relation judgement, and then obtain center figure spot four to (to the east of, south to, west to, north to) information
Method, have higher execution efficiency.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiment, the same or similar parts between the embodiments can be referred to each other.
Those skilled in the art should be understood that above-described embodiment provide method and step sequential can according to actual conditions into
Row is adaptively adjusted, and also can concurrently be carried out according to actual conditions.
All or part of step in the method that above-described embodiment is related to can be instructed by program relevant hardware come
It completes, the program can be stored in the storage medium that computer equipment can be read, for executing the various embodiments described above side
All or part of step described in method.The computer equipment, such as：Personal computer, server, the network equipment, intelligent sliding
Dynamic terminal, smart home device, wearable intelligent equipment, vehicle intelligent equipment etc.；The storage medium, such as：RAM、
ROM, magnetic disc, tape, CD, flash memory, USB flash disk, mobile hard disk, storage card, memory stick, webserver storage, network cloud storage
Deng.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, commodity or equipment including a series of elements include not only that
A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, commodity or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in process, method, commodity or the equipment including the element.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
Depending on protection scope of the present invention.
Claims (7)
1. a kind of automatic acquisition ancestor four to attribute method, which is characterized in that include the following steps：
S1 obtains cadastral parcel vector basic database；
S2 determines the phase for having Space Lorentz Curve with center cadastral parcel according to the cadastral parcel vector basic database
Adjacent cadastral parcel；
S3 obtains the head and the tail node line of the center cadastral parcel and the adjacent cadastral parcel abutment line, or, the center
The center of gravity line of cadastral parcel and the adjacent cadastral parcel；
S4 obtains the center map-making parcel according to the azimuth of the head and the tail node line or the azimuth of the center of gravity line
Relative tertiary location relationship between spot and the adjacent cadastral parcel；Specially：Judge the length of the head and the tail node line
Whether setting value is reached, if it is, the azimuth according to the head and the tail node line, obtains the center cadastral parcel and institute
The relative tertiary location relationship between adjacent cadastral parcel is stated, otherwise, according to the azimuth of the center of gravity line, during acquisition is described
Relative tertiary location relationship between heart cadastral parcel and the adjacent cadastral parcel；
The azimuth of the head and the tail node line, obtains as follows：
S401a obtains the center cadastral parcel and the adjacent cadastral parcel abutment line；
The abutment line is converted into point set, obtains beginning and end by S402a；
S403a, connection source and terminal form the head and the tail node line, and the center cadastral parcel is located at the head and the tail
The right side of node line；
S404a obtains the azimuth of the head and the tail node line in plane coordinate system；
The azimuth of the center of gravity line, obtains as follows：
S401b obtains the focus point of the center cadastral parcel and the adjacent cadastral parcel respectively；
S402b, using the focus point of the center cadastral parcel as starting point, using the focus point of the adjacent cadastral parcel as eventually
Point, connection source and terminal form the center of gravity line；
S403b obtains the azimuth of the center of gravity line in plane coordinate system；
S5, according to the relative tertiary location relationship got in S4, by the title storage of the adjacent cadastral parcel to institute
In the correspondence attribute for stating center cadastral parcel.
2. automatic acquisition ancestor according to claim 1 four to attribute method, which is characterized in that in S1, the ancestor
Figure spot vector basic database is interpreted, the field operation mapping on the spot or existing of digital total powerstation by remote sensing or photography measurement image
National basis is surveyed and drawn geography information result map and is obtained.
3. automatic acquisition ancestor according to claim 2 four to attribute method, which is characterized in that cadastral parcel arrow
Amount basic database includes the name information of all cadastral parcels, and the name information of the cadastral parcel is stored in the vector
In the corresponding attribute list of basic data.
4. automatic acquisition ancestor according to claim 1 four to attribute method, which is characterized in that S2 includes following step
Suddenly：
S201 in the cadastral parcel vector basic database got in S1, passes through ID number index and obtains the center
The vector basic data of cadastral parcel；
Spatial relationship value in the center cadastral parcel vector basic data is disposed adjacent to by S202, in obtaining and being described
Heart cadastral parcel has the adjacent cadastral parcel of Space Lorentz Curve.
5. automatic acquisition ancestor according to claim 1 four to attribute method, which is characterized in that in the plane coordinates
System determines the azimuth of directed line segment, is implemented as follows：
Azimuth angle alpha is 0 ° or 360 ° when directed line segment is directed toward direct north, and directed line segment is rotated clockwise to due east direction when side
Parallactic angle α is 90 °, and so on, the azimuth angle alpha in due south direction is 180 °, and the azimuth angle alpha in due west direction is 270 °, azimuth angle alpha
Value range be α ∈ [0 °, 360 °).
6. automatic acquisition ancestor according to claim 1 four to attribute method, which is characterized in that S5 includes following step
Suddenly：
S501 determines the corresponding attribute word of the center cadastral parcel according to the relative tertiary location relationship got in S4
Section；
The title of the adjacent cadastral parcel is assigned to the attribute field and stored by S502.
7. automatic acquisition ancestor according to claim 6 four to attribute method, which is characterized in that before S501, also wrap
Step is included, determines the field for including storage four to attribute in the vector basic data of the center cadastral parcel.
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| CN106126682B (en) * | 2016-06-29 | 2019-05-17 | 泰华智慧产业集团股份有限公司 | Industry map area ground spot intelligent Drawing method and system |
| CN109712235B (en) * | 2018-11-28 | 2020-02-11 | 佛山市测绘地理信息研究院 | Construction method of digital land parcel map |
| CN113902405A (en) * | 2021-09-30 | 2022-01-07 | 广东省国土资源测绘院 | Automatic four-to-four extraction method and system for land and house integrated land parcel |
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| JP2014209680A (en) * | 2013-04-16 | 2014-11-06 | 富士通株式会社 | Land boundary display program, method, and terminal device |
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| CN104899328A (en) * | 2015-06-24 | 2015-09-09 | 四川鱼鳞图信息技术股份有限公司 | Method for rapidly seeking boundaries of land parcel in four directions |
| CN104899329A (en) * | 2015-06-24 | 2015-09-09 | 四川鱼鳞图信息技术股份有限公司 | Method for carrying out parcel four-direction searching by adopting minimum outer rectangular frame |
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