CN104899329B - A method of using minimum outer rectangle frame progress ancestor four to lookup - Google Patents
A method of using minimum outer rectangle frame progress ancestor four to lookup Download PDFInfo
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- CN104899329B CN104899329B CN201510352175.3A CN201510352175A CN104899329B CN 104899329 B CN104899329 B CN 104899329B CN 201510352175 A CN201510352175 A CN 201510352175A CN 104899329 B CN104899329 B CN 104899329B
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
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- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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Abstract
The invention discloses it is a kind of using minimum outer rectangle frame progress ancestor four to lookup method, based on this ground, pass through the minimum outer rectangle frame in this ground, it is to point to find four nearest points of the angle point of this ground four from rectangle frame outside minimum, then by 4 to point in the direction of the clock each two to point constitute straight line and extend outwardly search four to buffer distance formed polygon, with being contained in ancestor intersect in the polygon or with the polygon as the ancestor of the direction four to, computer technology is combined with geographical information technology, and a kind of ground four formed is to intellectual search technology, the application of entire technology with not only improving ancestor four to lookup efficiency and accuracy, and effectively save time and human cost.
Description
Technical field
The present invention relates to the fields such as computer technology, Fundamental Geographic Information System industry technology, are a kind of use most specifically
Small outer rectangle frame with carrying out ancestor four to lookup method.
Background technology
Zong Di：Refer to the blind area formed with ownership boundary line, being one piece of earth surface has determining boundary, has determining ownership
Soil.
Ancestor ground four to：The handing-over boundary line for referring to four, a ground orientation and adjacent ground, the soil for generally filling in neighbours are all
Person uses unit or Personal name, if adjacent when being other markers such as road, irrigation canals and ditches, fills in corresponding title i.e.
It can.
It is required that：A ground is selected as this ground, adjacent ancestor is used as to ancestor adjacent thereto, then the ownership of adjacent ancestor ground
Title fills in four orientation on this ground respectively（Usually due north, due east, due south, due west）On, that is, complete ancestor four to.
And existing ancestor four to search use the pattern based on manual identified, i.e. staff is by examining on the spot, then
According to the selected ancestor adjacent with this ground in residing direction as this ground four to.
Under the pattern of manual identified, relatively regular ancestor, and adjacent ancestor ground also relatively regular situation
Under, four to identification be substantially all can identify it is correct；Relatively irregular ancestor, and adjacent ancestor it is also relatively irregular
In the case of, everyone to its identification may can be variant, and individual direction will appear the result that cannot artificially approve.
Invention content
It is an object of the invention to design it is a kind of using minimum outer rectangle frame progress ancestor four to lookup method, will count
Calculation machine technology is combined with geographical information technology, and a kind of ground four formed is to intellectual search technology, the application of entire technology
With not only improving ancestor four to lookup efficiency and accuracy, and effective save time and human cost.
The present invention is achieved through the following technical solutions：It is a kind of using minimum outer rectangle frame progress ancestor four to the side of lookup
Method, by the minimum outer rectangle frame in this ground, finds the angle point of this ground four from rectangle frame outside minimum most based on this ground
Four close points are then to constitute straight line and the lookup four that extends outwardly to each two to point in the direction of the clock is put by 4 to point
Buffer distance extremely forms polygon, is the direction with being contained in the ancestor intersected in the polygon or with the polygon
Ancestor ground four to.
Further to better implement the present invention, described to constitute straight line to each two to point in the direction of the clock is put by 4
And extend outwardly search four to buffer distance formed polygon specific method be：Will two-by-two to put constituted straight line as
Base side, then base side is translated outward search four to buffer distance after constitute buffer edge, then by the buffer edge and
The endpoint of the base side connects and composes polygon.
Further to better implement the present invention, described " based on this ground, by the minimum outer rectangle frame in this ground,
It is to point, then by 4 to pressing side clockwise to find four nearest points of the angle point of this ground four from rectangle frame outside minimum
To each two to point constitute straight line and extend outwardly search four to buffer distance formed polygon, be contained in the polygon
Or the ancestor intersected with the polygon be the direction ancestor four to " be using computer program to pass through following process flows
Four to lookup with completing ancestor：
1）Plot hum pattern is implanted into the database of computer system；
2）Computer system recalls the plot hum pattern in database with starting ancestor four to lookup；
3）Select this ground；
4）Method is estimated using minimum rectangle to intersect with carrying out ancestor；
5）It determines direction and buffer distance is set；
6）Four to rule with formulating ancestor；
7）With determining ancestor four to and terminate search ancestor four to.
Further to better implement the present invention, the step 3）Select this ground specific method for：Through step 2）Afterwards, it counts
Calculation machine system find out automatically to be found four to ancestor ground plot as this ground.
Further to better implement the present invention, described 4）The specific side that method intersects with carrying out ancestor is estimated using minimum rectangle
Method includes the following steps：
4-1）Calculate the outer rectangle frame of minimum on this ground；
4-2）The upper left angle point of rectangle frame outside minimum and bottom right angle point are linked to be straight line, the lower-left angle point of minimum outer rectangle frame
It is linked to be straight line with upper right angle point；
4-3）Rectangle frame diagonal line crosspoint is to point this ancestor is calculated and determined out and outside minimum.
Further to better implement the present invention, described 5）It determines direction and the specific method of buffer distance is set and include
Following steps：
5-1）By clockwise or counterclockwise the four of this ground will be formed to direction two-by-two to point connection；
5-2）Be arranged search four to buffer distance；
5-3）Two-by-two to put between line translate outward search four to buffer distance, and with this two-by-two to point between line
Form polygon；
5-4）With calculating the ancestor intersected in each direction with polygon or in polygon.
Further to better implement the present invention, in the step 5-1）In, forming the four of this ground to direction is specially：
Diagonal line intersection point and north orientation two to the region between point of minimum outer rectangle frame be it is northern to；The diagonal line intersection point of minimum outer rectangle frame
With south orientation two to the region between point be south to；The diagonal line intersection point of minimum outer rectangle frame and west are western to two to the region between point
Direction；The diagonal line intersection point and east orientation two of minimum outer rectangle frame to the region between point for east to.
Further to better implement the present invention, the step 6）In, ancestor four to rule be specially according to up time divider
Four are then determined to direction.
Further to better implement the present invention, the step 7）With determining ancestor four to and terminate with searching ancestor four to specific
For：The ownership name on the ancestor ground intersected with this ground is referred to as the direction four on this ground to completing the ancestor on this ground of block four
To lookup.
Further, to better implement the present invention, it is described search four to buffer distance be 2-4 meters.
Compared with prior art, the present invention haing the following advantages and advantageous effect：
The present invention is combined computer technology with geographical information technology, and a kind of ground four formed is to intellectual search skill
Art, the application of entire technology with not only improving ancestor four to lookup efficiency and accuracy, and it is effective save time and manpower at
This.
The present invention uses Computer Automatic Recognition technology, with can effectively improving ancestor four to lookup precision, reduces artificial fortune
Make cost.
Description of the drawings
Fig. 1 is a kind of relatively regular ground block diagram.
Fig. 2 is a kind of schematic diagram in irregular plot.
Fig. 3 be using the present invention to one piece carry out four to lookup schematic diagram.
Fig. 4 is the flow diagram of the present invention.
Specific implementation mode
The present invention is described in further detail with reference to embodiment, embodiments of the present invention are not limited thereto.
Under the pattern of manual identified, as shown in Figure 1, relatively regular ancestor, and adjacent ancestor also relatively
In the case of rule, four to identification are substantially all and can identify correct, and using Zhou Taicheng as this ancestor, then it is four most：East：Lu Fen
China, south：Wang Yonghuai, west：Chen Jinfu, north：Zhou Taichun；
As shown in Fig. 2, relatively irregular ancestor, and adjacent ancestor it is also relatively irregular in the case of, with Luo Xuan
Friend is used as this ancestor, and artificial identification four is to may be：East：Non- plot, south：Yang Guocai, west：Wang Changhong, north：Wang Changyuan；Also may
For：East：Non- plot, south：Wang Changyong, west：Li Wenhua, north：Wang Changyuan；It can be seen that everyone may can to its identification
It is variant, and individual directions will appear the result that cannot artificially approve.
Embodiment 1：
A method of using minimum outer rectangle frame progress ancestor four to lookup, based on this ground, passes through this ground
Minimum outer rectangle frame, to point, then extremely by 4 it is to find four nearest points of the angle point of this ground four from rectangle frame outside minimum
Point in the direction of the clock each two to point constitute straight line and extend outwardly search four to buffer distance formed polygon, be contained in
Ancestor intersect in the polygon or with the polygon as the ancestor of the direction four to.
Embodiment 2：
The present embodiment is further optimized based on the above embodiments, further to better implement the present invention, institute
State by 4 to point in the direction of the clock each two to point constitute straight line and extend outwardly search four to buffer distance formed it is polygon
The specific method of shape is：Will two-by-two to constituted straight line is put as basic side, then base side is translated outward search four to
Buffer distance after constitute buffer edge, the endpoint of the buffer edge and the base side is then connected and composed into polygon, it is described
Buffer edge intersects with cornerwise extension cord of minimum outer rectangle frame.
Embodiment 3：
The present embodiment is to advanced optimize based on any of the above embodiments, further preferably to realize this hair
It is bright, as shown in figure 3, described " based on this ground, by the minimum outer rectangle frame in this ground, find this ground from minimum outside
Four nearest points of four angle points of rectangle frame are then to constitute straight line to each two to point in the direction of the clock is put by 4 to point
And extend outwardly search four to buffer distance form polygon, be contained in and intersect in the polygon or with the polygon
Ancestor ground be the ancestor of the direction four to " be by following process flows using computer program with completing ancestor four to lookup：
1）Plot hum pattern is implanted into the database of computer system；
2）Computer system recalls the plot hum pattern in database with starting ancestor four to lookup；
3）Select this ground；
4）Method is estimated using minimum rectangle to intersect with carrying out ancestor；
5）It determines direction and buffer distance is set；
6）Four to rule with formulating ancestor；
7）With determining ancestor four to and terminate search ancestor four to.
Embodiment 4：
The present embodiment is further optimized based on the above embodiments, as shown in figure 3, the step 3）Select this ancestor
Ground specific method is：Through step 2）Afterwards, computer system find out automatically to be found four to ancestor ground plot as this ground, foundation
Shown in Fig. 3, with Li Wenhua for this ground.
Embodiment 5：
The present embodiment is advanced optimized on the basis of embodiment 3 or 4, as shown in figure 3, described 4）Using minimum rectangle
The specific method that method intersects with carrying out ancestor is estimated to include the following steps：
4-1）Calculate the outer rectangle frame of minimum on this ground；
4-2）The upper left angle point of rectangle frame outside minimum and bottom right angle point are linked to be straight line, the lower-left angle point of minimum outer rectangle frame
It is linked to be straight line with upper right angle point；
4-3）Rectangle frame diagonal line crosspoint is to point, extremely it is preferable to determine four this ancestor is calculated and determined out and outside minimum
Point, that is, it is respectively to point A, extremely point B, extremely point C and extremely point D that four, which are extremely put,.
Embodiment 6：
The present embodiment is further optimized based on the above embodiments, as shown in figure 3, described 5）It determines direction and sets
The specific method for setting buffer distance includes the following steps：
5-1）By will be connected two-by-two to point clockwise or counterclockwise, i.e., near point A respectively is connect with to point B, is formed
Straight line AB, near point B connects with to point C, are formed straight line BC, near point C and are connect with extremely point D, formation straight line CD, near point D and
To point A connections, straight line DA is formed；The four of this ground are formed to direction, wherein straight line AB and minimum outer rectangle frame diagonal line intersection point
Between region be set as the north to；Region between straight line BC and minimum outer rectangle frame diagonal line intersection point be set as east to；Straight line CD with
Region between minimum outer rectangle frame diagonal line intersection point be set as it is southern to；Area between straight line DA and minimum outer rectangle frame diagonal line intersection point
Domain be set as west to；
5-2）Be arranged search four to buffer distance；
5-3）Two-by-two to put between line translate outward search four to buffer distance, and with this two-by-two to point between line
Form polygon；That is, straight line AB translate outward extend search four to buffer distance after formed straight line A ' B ', and form polygon
ABB'A'；Straight line BC translate outward extend search four to buffer distance after form straight line B ' C ', and form polygon BCC ' B '；
Straight line CD translate outward extend search four to buffer distance after form straight line C ' D ', and form polygon CDD ' C '；Straight line DA
Outward translation extend search four to buffer distance after form straight line D ' A ', and form polygon DAA ' D '；
5-4）With calculating the ancestor intersected in each direction with polygon or in polygon.
Embodiment 7：
The present embodiment is further optimized based on the above embodiments, further to better implement the present invention,
The step 5-1）In, forming the four of this ground to direction is specially：The diagonal line intersection point and north orientation two of minimum outer rectangle frame to
Region between point be the north to；Diagonal line intersection point and south orientation two to the region between point of minimum outer rectangle frame be it is southern to；It is minimum
The diagonal line intersection point of outer rectangle frame and west to two to the region between point be west to；The diagonal line intersection point of minimum outer rectangle frame and east
To two to the region between point be east to.
Embodiment 8：
The present embodiment is advanced optimized on the basis of embodiment 6 or 7, as shown in figure 3, the step 6）In, Zong Di
Four specially determine four to direction to rule according to rule clockwise；That is, being then north four to plot phase on the boundaries intersection AB of plot
It meets on the boundaries BC then for eastern four to it is then Nan Sizhi that plot, which intersects on the boundaries CD, and it is then west that plot, which intersects on the boundaries DA,
Four to.
Embodiment 9：
The present embodiment is further optimized based on the above embodiments, as shown in figure 3, the step 7）With determining ancestor
Four to and terminate search ancestor four to be specially：The ownership name on the ancestor ground intersected with this ground is referred to as to the direction four on this ground
Extremely, i.e., the ownership name for intersecting ancestor ground is referred to as this place to four to four to north：Li Maolan；Four to east：Li Qiang；Four to south：
Li Wen Ping；Four to west：Qiu Yong；Four to lookup with completing the ancestor on this ground of block.
Embodiment 10：
The present embodiment is to advanced optimize based on any of the above embodiments, further preferably to realize this hair
It is bright, it is described search four to buffer distance be 2-4 meters.
Embodiment 11：
The present embodiment is to advanced optimize based on any of the above embodiments, as shown in Figure 3, Figure 4, is transported in computer
In row level, after starting,
The first step, execute " selection ancestor " step, that is, with selecting a ancestor as this ground；
Second step executes " with calculating ancestor minimum rectangle frame " step, that is, calculates the outer rectangle frame of minimum on this ground；
Third walks, and executes " calculate ancestor with minimum rectangle frame intersection point " step, also i.e. by the upper left corner of rectangle frame outside minimum
Point is linked to be straight line with bottom right angle point, and the lower-left angle point of minimum outer rectangle frame is linked to be straight line with upper right angle point；By this ancestor with minimum
Outer rectangle frame diagonal line crosspoint is set as to point, it is preferable to determine four to point, in figure 3, four to point respectively extremely point A,
To point B, extremely point C and extremely point D；
Third walks, and executes " division direction " step, that is, by will extremely put connection two-by-two clockwise or counterclockwise, that is, divide
Not near point A is connect with extremely point B, is formed straight line AB, near point B and is connect with to point C, forms straight line BC, near point C and extremely point D
Connection forms straight line CD, near point D and is connect with to point A, forms straight line DA；The four of this ground are formed to direction, wherein straight line
Region between AB and minimum outer rectangle frame diagonal line intersection point be set as it is northern to；Between straight line BC and minimum outer rectangle frame diagonal line intersection point
Region be set as east to；Region between straight line CD and minimum outer rectangle frame diagonal line intersection point be set as it is southern to；Straight line DA with most
Region between small outer rectangle frame diagonal line intersection point be set as west to；
4th step, executes " buffer distance " step, and straight line AB forms straight line A ' B ', and group after translating 2-4 meters of extension outward
At polygon ABB ' A ', straight line B ' A ' intersect with the diagonal line of rectangle frame outside minimum respectively；Straight line BC translates extension and searches outward
Four to buffer distance after form straight line B ' C ', and form polygon BCC ' B ', straight line C ' B ' respectively with rectangle frame outside minimum
Diagonal line intersects；Straight line CD translate outward extend search four to buffer distance after formed straight line C ' D ', and form polygon
CDD ' C ', straight line D ' C ' intersect with the diagonal line of rectangle frame outside minimum respectively；Straight line DA translate outward extend search four to it is slow
Straight line D ' A ' are formed after punching distance, and form polygon DAA ' D ', straight line A ' D ' the diagonal line phases with rectangle frame outside minimum respectively
It hands over；
5th step executes " laying down a regulation " step, and four are determined to direction according to rule clockwise；That is, the plot sides intersection AB
Then for northern four to plot intersects on the boundaries BC then for eastern four to it is then Nan Sizhi, plot that plot, which intersects on the boundaries CD, in boundary
Intersect on the boundaries DA be then Xisi extremely；
6th step executes " search each direction four to " step, that is, is contained in polygon BCC ' B ' or and polygon
The plot of BCC ' B ' intersections is four to east（Li Qiang）；It is contained in the plot intersected in polygon ABB ' A ' or with polygon ABB ' A '
It is four to north（Li Maolan）；It is four to west to be contained in the plot intersected in polygon DAA ' D ' or with polygon DAA ' D '（Qiu
Bravely）, it is four to south to be contained in the plot intersected in polygon CDD ' C ' or with polygon CDD ' C '（Li Wen Ping）；
7th step terminates four to lookup.
When determine the four of plot block to after, { (i=0 int for of the record in circular database table successively; i <
landCount;I++) record is just taken per circulation primary.I is index value, and landCount is generally block number }, you can switching
To another piece of plot with carrying out ancestor four to lookup.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is every according to
According to the technical spirit of the present invention to any simple modification, equivalent variations made by above example, the protection of the present invention is each fallen within
Within the scope of.
Claims (9)
1. it is a kind of using minimum outer rectangle frame progress ancestor four to lookup method, it is characterised in that：Based on this ground, lead to
The minimum outer rectangle frame in this ground is crossed, it is to point, so to find four nearest points of the angle point of this ground four from rectangle frame outside minimum
Afterwards by 4 to point in the direction of the clock each two to point constitute straight line and extend outwardly search four to buffer distance formed it is polygon
Shape, with being contained in ancestor intersect in the polygon or with the polygon as the ancestor of the direction four to；
It is described by 4 to point in the direction of the clock each two to point constitute straight line and extend outwardly search four to buffer distance shape
It is at the specific method of polygon：Two-by-two to constituted straight line is put as basic side, then base side will be translated outward and looked into
Look for four to buffer distance after constitute buffer edge, then the endpoint of the buffer edge and the base side is connected and composed polygon
Shape.
2. it is according to claim 1 it is a kind of using minimum outer rectangle frame progress ancestor four to lookup method, feature exists
In：It is described " based on this ground, by the minimum outer rectangle frame in this ground, to find this ground four from rectangle frame outside minimum
Four nearest points of angle point are that then 4 are constituted straight line and extended outwardly to each two to point in the direction of the clock is put to point
Search four to buffer distance form polygon, be to be somebody's turn to do with being contained in ancestor intersect in the polygon or with the polygon
The ancestor in direction four to " be by following process flows using computer program with completing ancestor four to lookup：
1）Plot hum pattern is implanted into the database of computer system；
2）Computer system recalls the plot hum pattern in database with starting ancestor four to lookup；
3）Select this ground；
4）Method is estimated using minimum rectangle to intersect with carrying out ancestor；
5）It determines direction and buffer distance is set；
6）Four to rule with formulating ancestor；
7）With determining ancestor four to and terminate search ancestor four to.
3. it is according to claim 2 it is a kind of using minimum outer rectangle frame progress ancestor four to lookup method, feature exists
In：The step 3）Select this ground specific method for：Through step 2）Afterwards, computer system finds out to be found four to ancestor automatically
Plot as this ground.
4. it is according to claim 2 or 3 it is a kind of using minimum outer rectangle frame progress ancestor four to lookup method, feature
It is：Described 4）The specific method that method intersects with carrying out ancestor is estimated using minimum rectangle to include the following steps：
4-1）Calculate the outer rectangle frame of minimum on this ground；
4-2）The upper left angle point of rectangle frame outside minimum and bottom right angle point are linked to be straight line, lower-left angle point and the right side of minimum outer rectangle frame
Upper angle point is linked to be straight line；
4-3）Rectangle frame diagonal line crosspoint is to point this ancestor is calculated and determined out and outside minimum.
5. it is according to claim 4 it is a kind of using minimum outer rectangle frame progress ancestor four to lookup method, feature exists
In：Described 5）It determines direction and the specific method of buffer distance is set and include the following steps：
5-1）By clockwise or counterclockwise the four of this ground will be formed to direction two-by-two to point connection；
5-2）Be arranged search four to buffer distance；
5-3）Two-by-two to put between line translate outward search four to buffer distance, and with this two-by-two to point between line formed
Polygon；
5-4）With calculating the ancestor intersected in each direction with polygon or in polygon.
6. it is according to claim 5 it is a kind of using minimum outer rectangle frame progress ancestor four to lookup method, feature exists
In：In the step 5-1）In, forming the four of this ground to direction is specially：The diagonal line intersection point and north orientation of minimum outer rectangle frame
Two to the region between point be the north to；Diagonal line intersection point and south orientation two to the region between point of minimum outer rectangle frame be it is southern to；
The diagonal line intersection point of minimum outer rectangle frame and west to two to the region between point for west to；The diagonal line intersection point of minimum outer rectangle frame
With east orientation two to the region between point be east to.
7. it is according to claim 5 or 6 it is a kind of using minimum outer rectangle frame progress ancestor four to lookup method, feature
It is：The step 6）In, four to rule it is specially ancestor to determine four to direction according to rule clockwise.
8. it is according to claim 7 it is a kind of using minimum outer rectangle frame progress ancestor four to lookup method, feature exists
In：The step 7）With determining ancestor four to and terminate search ancestor four to be specially：By the ownership on the ancestor ground intersected with this ground
Name is referred to as the direction four on this ground to completing the ancestor on this ground of block four to lookup.
9. a kind of using minimum outer rectangle frame progress ancestor four to lookup according to claims 1 or 2 or 3 or 5 or 6 or 8
Method, it is characterised in that：It is described search four to buffer distance be 2-4 meters.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105427177A (en) * | 2015-12-16 | 2016-03-23 | 江西理工大学 | Automatic farmland four-boundary calculation method based on GIS (Geographic Information System) |
| CN105677843B (en) * | 2016-01-06 | 2018-08-21 | 中科宇图科技股份有限公司 | A kind of automatic acquisition ancestor four to attribute method |
| CN108536647B (en) * | 2018-03-26 | 2021-11-26 | 中国电建集团昆明勘测设计研究院有限公司 | Method for searching land parcel four-to-four by adopting boundary points and 45-degree external rectangle |
| CN110851555B (en) * | 2019-11-15 | 2023-07-28 | 四川鱼鳞图信息技术股份有限公司 | Land parcel locating and searching method based on line segment angle weight |
| CN111581317B (en) * | 2020-05-07 | 2023-07-28 | 四川鱼鳞图信息技术股份有限公司 | Method and system for quickly searching adjacent plots of target area in large database |
| 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 |
| CN117557585B (en) * | 2024-01-12 | 2024-03-12 | 自然资源部第三地理信息制图院 | Land parcel segmentation method, system, electronic equipment and storage medium |
| CN118132666B (en) * | 2024-05-07 | 2024-07-09 | 四川国地信息技术有限公司 | Method for quickly searching and splicing adjacent plots with same attribute in county level range |
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