CN108536647A - A method of using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup - Google Patents
A method of using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup Download PDFInfo
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Abstract
The invention discloses it is a kind of using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup method, based on ancestor ground, by 45 ° of phases from boundary rectangle with finding ancestor near the separation in southwest, the southeast, northeast and northwest four direction, 4 separations cutting ancestor ground boundary, constitute four segment boundary discriminant line of East, West, South, North, syntople based on adjacent ancestor ground carries out topological lookup, more rationally and complete can determine the four of ancestor ground to attribute.The present invention not only compensates for current existing methods deficiency, and instead of artificial cognition, four to lookup efficiency, saves time and human cost, and four have good accuracy to lookup result, fully meet the requirement of confirmation of land right with greatly improving ancestor.
Description
Technical field
The present invention relates to Fundamental Geographic Information Data processing technology fields, are a kind of use boundary mark and 45 ° specifically
Boundary rectangle with carrying out ancestor four to lookup method, this method can be applied to outstanding during confirmation of land right later stage data processing
It is four to fill in process to attribute.
Background technology
Ancestor ground refers to the blind area formed with ownership boundary line, and being one piece of earth surface has determining boundary, has determining ownership
Soil.Boundary mark refer to ancestor ownership boundary line turning point, i.e. inflection point.It is the important symbol in demarcating ancestor ownership boundary line.
It generally fills in the land owner of neighbours to the handing-over boundary line for referring to one piece of four, ground orientation and adjacent ground or makes in ancestor ground four
With unit or Personal name, if adjacent when being other markers such as road, irrigation canals and ditches, corresponding title is filled in.
Four to lookup mode it is mostly existing ancestor artificial cognition, four to attribute is manually filling in attribute list, workload
It is big and inefficient.Also have by the way of positive boundary rectangle buffering and azimuth is searched, but its calculating is relatively cumbersome, and
To the adjacent ancestors of some special shapes judging nicety rate is not high.Therefore how overcome the deficiencies in the prior art is current basis ground
The problem of managing information data processing technology field urgent need to resolve.
Invention content
In view of the deficiencies in the prior art, the present invention provides one kind based on boundary mark and 45 ° of boundary rectangles with carrying out ancestor four
To the method for lookup, this method is instead of artificial cognition, and four to lookup efficiency, saves time and manpower with greatly improving ancestor
Cost, and four have good accuracy to lookup result, fully meet the requirement of confirmation of land right.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A method of using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup, which is characterized in that including following step
Suddenly：
Step（1）, 45 ° of phases of structure are from boundary rectangle：45 ° of phases on ancestor ground to be found are built from boundary rectangle；45 ° of phases from
Two groups of opposite side of boundary rectangle respectively with X-axis be in 45 ° and 135 °, and ancestor to be found positioned at 45 ° of phases from boundary rectangle；
Step（2）, search separation：All boundary marks for traversing ancestor ground to be found, calculate all boundary marks to step（1）Structure
45 ° of phases with a distance from boundary rectangle four edges, find 45 ° of phases of ancestor ground to be found distance from boundary rectangle four edges linear distance
Four nearest boundary marks are as separation；
Step（3）, generate line of demarcation：With step（3）Obtained four separations cutting ancestor ground boundary, obtains the differentiation of four segment boundaries
Line, as East, West, South, North boundary discriminant line；
Step（4）, search four to：For step（3）Obtained every segment boundary discriminant line is searched with ancestor to be found about the section
Other adjacent ground of boundary discriminant line, and by the storage of the title on its other adjacent ground to corresponding four to attribute
In.
It is further preferred that step（4）The lookup four is looked into the topological relation for being the adjoining based on adjacent ancestor
When looking for, as search unit, it also includes this common edge of the search unit to search for the single line that includes using boundary discriminant line
Adjacent ancestor, and will be in the four of its name information storage to corresponding ancestor ground to be found to attribute.
It is further preferred that if ancestor to be found be triangle, in step（2）Lookup separation when, to 45 °
What mutually certain two side from boundary rectangle were nearest will be the same boundary mark, then the direction non-boundary where the boundary mark differentiates
Line search other adjacent ground to other three segment boundaries discriminant lines later, and by its other adjacent ground
During title storage is to corresponding four to attribute.
It is further preferred that if certain boundary is parallel to the 45 ° of sidelines of phase from boundary rectangle in ancestor ground to be found,
And two boundary marks on this boundary are apart from 45 ° of phases boundary mark nearest from boundary rectangle sideline, then according to be found
First boundary mark of sequential selection that ancestor ground is counterclockwise is as separation.
It is further preferred that all ground are respectively positioned on 45 ° of phases from boundary rectangle.
It is further preferred that step（4）In, by the title storage on its adjacent ancestor ground to corresponding four to attribute
When middle, in each direction, with only storing the longest ancestor of adjacent public boundary.
Step in the present invention（1）45 ° of phases on ancestor ground to be found are built from boundary rectangle, subsequently each ancestor is searched when
This 45 ° of phases all can be used as reference from boundary rectangle in time, without individually establishing boundary rectangle again to each ground.It is building
When four edges of 45 ° of phases from boundary rectangle, made using a maximum (parameter value is set as 100000000 in the embodiment of the present invention)
For linear equation parameter, it is ensured that all ground are in rectangle inside.Two groups of opposite side of four edges of the rectangle of structure are in respectively with X-axis
45 ° and 135 °, be non-intersecting also nontangential with ancestor, because referred to herein as 45 ° of phases are from boundary rectangle.
Step in the present invention（2）The separation is 45 ° of phases of ancestor ground to be found distance, four from boundary rectangle sidelines
Four nearest boundary marks of distance, while being also ancestor to be found ground dividing near southwest, the southeast, northeast and northwest four direction
Boundary's point.
Step in the present invention（3）The line of demarcation is four segment boundary lines made of this ground boundary is cut by separation；
Northeast and northwest, northwest and southwest, southwest and the southeast, ancestor between the southeast and northeast separation boundary demarcate respectively as north
Line, western line of demarcation, southern line of demarcation and eastern line of demarcation；The boundary mark coordinate sequence that every section of line of demarcation is included is recorded, it can be from southwest
Separation starts, and along ancestor boundary traverses boundary mark, southwestern separation to the boundary location between the separation of the southeast counterclockwise
Point set is obtained the boundary mark coordinate sequence in four lines of demarcation by this rule as southern line of demarcation；Here boundary line is not point
The straight line that boundary's point is connected directly, but along ancestor boundary, broken line made of being connected by the boundary mark in line of demarcation.
In the present invention if ancestor to be found be triangle, in step（2）Lookup separation when, to 45 ° of phases from external
Certain two side of rectangle it is nearest will be the same boundary mark, then counterclockwise, only using the boundary mark as first
45 ° of phases separation corresponding from boundary rectangle side, and another boundary rectangle side is then labeled as no separation.
Compared with prior art, the present invention advantage is：
（1）Using 45 ° of unified phases of the overall situation from boundary rectangle, it is only necessary to build once when most starting, subsequently look into each ancestor
It looks for and all uses this global 45 ° of phase when boundary point as reference from boundary rectangle, no longer need to individually build each ground again
Vertical boundary rectangle.
（2）It is straight not by simple separation after the separation for finding southwest, the southeast, northeast and northwest four direction
Be connected obtained line of demarcation or line of demarcation cushioned rectangular frame are connect, is gone with other ancestors to carry out intersecting differentiation to search four to ancestor,
This kind of method efficiency is low and the case where will appear a large amount of fuzzy Judgments.More reasonably, boundary is in the line of demarcation that the present invention uses
The ancestor ground boundary that point cutting includes, based on adjacent ancestor, adjacent topological relation is collinearly searched for, can more rationally and completely
Determination ancestor ground all four to attribute.
It is insufficient that the present invention not only compensates for current existing methods, instead of artificial cognition, with greatly improving ancestor four to
The efficiency of lookup, efficiency improve three times or more compared to other congenic methods, and four are more than to lookup result accuracy
99.9%, time and human cost are greatly saved, the requirement of confirmation of land right is fully met.
Description of the drawings
Fig. 1 be the embodiment of the present invention using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to the method for lookup flow
Schematic diagram；
Fig. 2 be using the present invention to ancestor carry out four to lookup exemplary plot.
Fig. 3 is the separation found in the embodiment of the present invention.
Fig. 4 is the adjoining ancestor that is searched on line of demarcation in the embodiment of the present invention.
Fig. 5 is to be found in the embodiment of the present invention four to result.
Fig. 6 is the schematic diagram of first kind special circumstances in the embodiment of the present invention.
Fig. 7 is the schematic diagram of the second class special circumstances in the embodiment of the present invention.
Specific implementation mode
Understand for the ease of those of ordinary skill in the art and implement the present invention, with reference to the accompanying drawings and embodiments to this hair
It is bright to be described in further detail, it should be understood that implementation example described herein is merely to illustrate and explain the present invention, not
For limiting the present invention.In the examples where no specific technique or condition is specified, according to technology described in document in the art
Or it condition or is carried out according to product description.Production firm person is not specified in material therefor or equipment, is that can pass through purchase
The conventional products of acquisition.
A method of using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup, include the following steps：
Step（1）：The global 45 ° of unified phases of structure are from boundary rectangle（That is all ground are respectively positioned on 45 ° of phases from boundary rectangle）,
When building four edges of 45 ° of phases from boundary rectangle, straight line side is used as using a maximum (parameter value is set as 100000000)
Journey parameter, it is ensured that all ground are in rectangle inside.Two groups of opposite side of four edges of the rectangle of structure are in respectively 45 ° and 135 ° with X-axis,
It is non-intersecting also nontangential with each ancestor, because referred to herein as 45 ° of phases are from boundary rectangle.When subsequently lookup each ancestor
As reference from boundary rectangle using this 45 ° of phases, without individually establishing boundary rectangle again to each ground.
45 ° of phases side equation in northwest, northeast, the southeast, southwestern four direction corresponding from boundary rectangle is：
Step（2）：With selecting the ancestor to be calculated, as ownership is the ancestor opened in tooth in Fig. 2, point P1、P2、P3、P4、P5、P6、P7、
P8、P9For the boundary mark on ancestor ground；All boundary marks for traversing this ground calculate all boundary marks to step（1）45 ° of phases of structure
With a distance from boundary rectangle four edges, it is from boundary rectangle four edges linear distance nearest to find 45 ° of phases of ancestor ground to be found distance
Four boundary marks are as separation；
Northwest in Fig. 2, northeast, the southeast, four solid lines on southwestward represent the four edges line of boundary rectangle.According to straight line side
JourneyAnd distance between beeline and dot formula, boundary mark is to 45 ° of phases from boundary rectangle
The range formula of four edges is：
According to above-mentioned formula, with can acquiring this ancestor in northwest, northeast, the southeast, the separation on southwestward is PNW、PNE、PSE、
PSW；
Step（3）, generate line of demarcation：With step（3）Obtained four separations cutting ancestor ground boundary, obtains the differentiation of four segment boundaries
Line, as East, West, South, North boundary discriminant line；
Northeast and northwest, northwest and southwest, southwest and the southeast, ancestor between the southeast and northeast separation boundary respectively as north
Line of demarcation, western line of demarcation, southern line of demarcation and eastern line of demarcation.The boundary mark coordinate sequence that every section of line of demarcation is included is recorded, from west
Southern separation starts, and along ancestor boundary traverses boundary mark, southwestern separation to the boundary between the separation of the southeast counterclockwise
Location point set is obtained the boundary mark coordinate sequence in four lines of demarcation by this rule, as shown in Figure 3 as southern line of demarcation.
Step（4）, search four to：For step（3）Obtained every segment boundary discriminant line, search with ancestor to be found about
Other adjacent ground of the segment boundary discriminant line, and by the storage of the title on its other adjacent ground to corresponding four to category
In property.
Particularly：For each edge circle discriminant line, by it includes the line segment that constitutes of two adjacent coordinates extract one by one
Out, the other ground comprising this line segment in boundary are searched for and are recorded, as shown in Figure 4.Finally, it will be searched on each boundary discriminant line
Rope to the title on adjoining ancestor ground be respectively stored into the four of current ancestor ground in attribute.Here two kinds of sides can be selected as needed
Formula, all of its neighbor ancestor searched in each direction is imparted to four in attribute by the first；Second is each
On direction, only assignment adjoining public boundary longest ancestor, as shown in Figure 5.
Step（5）：Handle special circumstances：The first situation：Such as Fig. 6, ancestor " Zhang Zhengshun " be triangle, only there are three boundaries
Location point, step（2）Separation search in, two sideline L to 45 ° of phases from boundary rectangleNWAnd LSWNearest is all same
Boundary mark P2, as specially treated, only using the boundary mark as a wherein boundary rectangle side LNWCorresponding separation PNW, subsequently
Just only search for the adjoining ancestor in three north, east and south orientation, and the adjoining ancestor in west be then set as nothing.The second situation：Such as
Fig. 7, ancestor ground boundary P in " Zhang Jie "1P2It is parallel to the sideline L of boundary rectangleNW, the boundary mark P at this boundary both ends1And P2To side
Line LNWDistance it is equal, as specially treated, according to counterclockwise, only take first boundary mark P on the boundary1As boundary point
PNW, subsequent step is by normal processing.
The process automatically processed to an ancestor plot is explained above, other plot in basic data are carried out
Step（2）To step（6）Same processing then completes the four of the basic data to the automatic acquisition process of attribute.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. it is a kind of using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup method, which is characterized in that including following step
Suddenly：
Step（1）, 45 ° of phases of structure are from boundary rectangle：45 ° of phases on ancestor ground to be found are built from boundary rectangle；45 ° of phases from
Two groups of opposite side of boundary rectangle respectively with X-axis be in 45 ° and 135 °, and ancestor to be found positioned at 45 ° of phases from boundary rectangle；
Step（2）, search separation：All boundary marks for traversing ancestor ground to be found, calculate all boundary marks to step（1）Structure
45 ° of phases with a distance from boundary rectangle four edges, find 45 ° of phases of ancestor ground to be found distance from boundary rectangle four edges linear distance
Four nearest boundary marks are as separation；
Step（3）, generate line of demarcation：With step（3）Obtained four separations cutting ancestor ground boundary, obtains the differentiation of four segment boundaries
Line, as East, West, South, North boundary discriminant line；
Step（4）, search four to：For step（3）Obtained every segment boundary discriminant line is searched with ancestor to be found about the section
Other adjacent ground of boundary discriminant line, and by the storage of the title on its other adjacent ground to corresponding four to attribute
In.
2. it is according to claim 1 using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup method, feature
It is, step（4）The lookup four is to being the topological relation adjacent based on adjacent ancestor, when lookup, by boundary discriminant line packet
The single line contained as search unit, search also include the search unit this common edge adjacent ancestor, and by its title
Information storage is to corresponding ancestor ground to be found four in attribute.
3. it is according to claim 1 using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup method, feature
Be, if ancestor to be found be triangle, in step（2）Lookup separation when, certain two to 45 ° of phases from boundary rectangle
Side it is nearest will be the same boundary mark, then the direction non-boundary discriminant line where the boundary mark, later to other three sections of sides
Boundary's discriminant line search other adjacent ground, and by the title on its other adjacent ground storage to corresponding four to
In attribute.
4. it is according to claim 1 using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup method, feature
It is, if certain boundary is parallel to the 45 ° of sidelines of phase from boundary rectangle, and the locations Liang Ge circle on this boundary in ancestor ground to be found
Point is then according to ancestor to be found the sequential selection counterclockwise apart from 45 ° of phases boundary mark nearest from boundary rectangle sideline
First boundary mark is as separation.
5. it is according to claim 1 using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup method, feature
It is, all ground are respectively positioned on 45 ° of phases from boundary rectangle.
6. it is according to claim 1 using boundary mark and 45 ° of boundary rectangles with carrying out ancestor four to lookup method, feature
It is, step（4）In, the title on its adjacent ancestor ground is stored to corresponding four to attribute in when, in each direction, only
The longest ancestor of the adjacent public boundary of storage.
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