CN108304660A - The automatic processing method of real estate survey and mapping - Google Patents
The automatic processing method of real estate survey and mapping Download PDFInfo
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Abstract
The present invention relates to the automatic processing methods of real estate survey and mapping, complete the processing of the CADASTRAL DATA and house data in real estate data handling procedure, it realizes the automatic of house and falls ancestor, compared to traditional work flow, this method improves the efficiency of CADASTRAL DATA generation, attributes edit, quality inspection, achievement generation, a new approaches are provided simultaneously for rustic home data processing, realize the unification of premises.The present invention includes CADASTRAL DATA processing and house data processing；Original land deeds data are first converted into .dwg formats when CADASTRAL DATA processing, then Mass production ancestor, house, then carry out attribute connecting, data quality checking, land deeds achievement and export automatically；When house data processing, advanced line number Data preprocess, then hierarchical information inspection, selection layering ancestor, it is with every that unit generates corresponding hierarchical diagram, scanning full figure adds up every layer, per building area, ultimately generates corresponding houseclearing application form and house Story and door based map.
Description
Technical field
The invention belongs to building surveying and mapping technologies, the specially automatic processing method of real estate survey and mapping.
Background technology
Praedial data processing work, with involving, department is more, data processing is difficult, to the high spy of operator requirement
Point, processing procedure need operator to be intended to certain understanding to land deeds data processing, house property data processing.
During carrying out rural area land register work, needs to solve correlation between rustic home and ancestor ground, resolve house
A problem is fallen, handles premises relationship well, investigates thoroughly premises ownership problem.Accomplishing " ownership is legal, boundary location understands, area is accurate " base
On plinth, it is also necessary to the synchronous investigation work for carrying out ground house and its affiliated facility.
It can be divided into two stages during actual job：First stage is CADASTRAL DATA processing, and second stage is house
Data processing.For first stage, for operating personnel generally using the CADASTRAL DATA processing software of older version, these are soft at present
Part can complete part and work, but due to the modification of land deeds standard, so being difficult to have a whole set of for the CADASTRAL DATA submitted
Processing method.Most of construction teams are artificial treatments for the CADASTRAL DATA submitted, and efficiency is very low.For second-order
Section, there are no corresponding softwares to handle in the industry at present, and construction teams can only be manually according to houseclearing by layer output house point
Layer figure, when actual job, construction teams are usually the land deeds total figure using the first stage, manually judge room according to drawing annotation
The number of plies and structure in room, are then manually layered house, the precision of the quality direct relation of layering reference area to the end.
Since this process is relatively high to the interpretation skill requirement of operator, it is easy to that mistake occurs, as long as there is mistake in layering,
To mistake all occur for all follow-up steps, and in addition to precision, it is difficult to ensure that, the efficiency of operation also is difficult to improve.
Invention content
In order to solve the problems of prior art, the present invention provides the automatic processing method of real estate survey and mapping,
Using the process flow of automation, the processing of the CADASTRAL DATA and house data in real estate data handling procedure is completed, it is real
The automatic of house is showed and has fallen ancestor, compared to traditional work flow, process provides house AUTOMATIC ZONING methods, using unified
Pattern realize the automatic calculating automatically generated with area of Story and door based map, avoid caused by artificial judgment mistake,
The problems such as inefficiency, improves work production efficiency, and a new approaches are provided simultaneously for rustic home data processing, real
The unification of premises is showed.
The present invention adopts the following technical scheme that realize：The automatic processing method of real estate survey and mapping, including land deeds number
According to processing and house data processing；CADASTRAL DATA processing includes the following steps：
S11, data conversion：Original CADASTRAL DATA is automatically converted to the data of .dwg formats；
S12, Zong Di, house Mass production：To the part changed in original CADASTRAL DATA, it is updated measurement, simultaneously
With investigating ancestor, the ownership information in house measures obtained survey information according to update and carries out drawing drafting, and by survey information
Record；Range line is formed when drawing is drawn, with generating corresponding house or ancestor according to the range line；
S13, attribute connecting：By the ancestor after generation and the attribute data in house, typing EXCEL masterplates, then according to pass
Join field to mount attribute and corresponding figure, completes attribute typing；
S14, data quality checking：Using data quality checking rule, batch checks the mistake occurred in data, and it is determined to provide solution
See；
S15, land deeds achievement export automatically：The achievement data of mapping is automatically generated according to CADASTRAL DATA；
House data processing includes the following steps：
S21, data prediction：After selecting house, the basic attribute information in house, including building number, building structure, floor are extracted
Number, area coefficient；
S22, hierarchical information inspection：Pretreated data are checked, believe output error if there is following situations
Breath, and provide location information and suggestion for revision：1) four building number, building structure, the number of plies, area coefficient essential attributes could not be found
Information；2) building number is identical, and the building structure other than balcony is different；3) structure in the corresponding house in building number is all balcony；
S23, AUTOMATIC ZONING：Selection layering ancestor, whether have existed hierarchical diagram with judging ancestor, is directly opened if in the presence of if
Corresponding hierarchical diagram prompts selection to need to participate in the house of layering if being not present；Setting information, including real estate unit number, power
Sharp people's information, project name from ancestor extract the information of above-mentioned setting automatically；Using building as unit, the information of each building is read, is built
Vertical building->Structure->Floor->The hierarchical relationship of entity；Select one of following layered mode：Merge same floor or nonjoinder phase
Same floor is with every that unit generates corresponding hierarchical diagram；
S24, areal calculation：The entity of hierarchical diagram full figure is scanned, accumulation calculating goes out every layer, per building area respectively；
S25, outputting result：According to the performance data that house is layered, corresponding houseclearing application form and house point are generated
Layer divides family figure.
In above-mentioned steps S23, delaminating process uses automatic structure face algorithm, is carried out according to building range line and house stratification line
Again structure face.Again structure face includes the following steps：
The building range line in all participation structure faces is interrupted in node and point of intersection, generates node set and line set；
Remove node and the side that record is repeated in node set and line set；
Node and the topological relation on side are established, is compared according to the coordinate of node and side two-end-point, establishes incidence relation, according to
Incidence relation finds all sides connected to it by each node, its connected node is found by side, to establish node
With the topological relation on side；
Structure face is searched for, is set out with any one node, obtains the side being connected with the node, institute is obtained by origin of the node
State and the angle on the connected side and X-axis of the node, take angle it is minimum while as next search, search for next node；
The side being connected with the next node is obtained at the next node, excludes the side being searched, it is next with this
Node is the angle that origin obtains the connected side and X-axis of the described and next node, takes the side conduct of angle minimum next again
Item searches for side, searches for next one node, and so on, until searching again for starting point or next node can not be found be
Only, search terminates, and obtains structure face；
Face is filtered, and exclusion node sequence is clockwise structure face, and the structure face of redundance is filtered out, and the structure face repeated is only
Retain one；The structure face node having the same of the redundance, only starting point are different.
Compared with prior art, the present invention has following advantageous effect：
1, using the process flow of automation, the CADASTRAL DATA and house data in real estate data handling procedure are completed
Processing, realize the automatic of house and fall ancestor；Compared to traditional work flow, this method improves CADASTRAL DATA and generates, belongs to
Property editor, quality inspection, achievement generate efficiency, provide a new approaches simultaneously for rustic home data processing, realize room
The unification on ground.
2, house layering is carried out using the method for the present invention, not only greatly improves operating efficiency, and be layered correct
Property also has greatly improved than manual work；Areal calculation is more accurate, avoids the omission of artificial treatment appearance, computes repeatedly
The problems such as；Automatically output is even more the improved efficiency for having several times than artificial treatment to house achievement, and can ensure report data
It is completely the same with figure.
Description of the drawings
Fig. 1 is the flow chart of data processing figure of survey and mapping of the present invention；
Fig. 2 is the schematic diagram before the building range line in structure face is interrupted；
Fig. 3 is the schematic diagram after the building range line in structure face is interrupted；
Fig. 4 is the process schematic for searching for structure face；
Specific implementation mode
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment
This method is on the basis of the problem in summarizing rural area real estate mapping process, it is proposed that a kind of automatic business processing side
Method, this method include mainly CADASTRAL DATA process part and house data processing section.
1, CADASTRAL DATA process part
1.1 data conversion：The actual job of CADASTRAL DATA process part is usually to be updated on the basis of existing land deeds library,
Original CADASTRAL DATA is mostly .shp formats, and part is read process provides automatic, can very easily by the space of .shp and
Attribute data is automatically converted to .dwg formats, facilitates and uses in next step.
1.2 ground, house Mass production：For the part changed in original CADASTRAL DATA, construction teams can be to the change
Change part and do update and measure, at the same with investigating ancestor, the information such as the ownership in house, obtained survey information is measured according to update and is passed through
The softwares such as AutoCAD carry out drawing drafting, and survey information is recorded inside drawing or EXCEL；Shape when drawing is drawn
At range line, range line is formed by when being drawn according to the drawing with generating corresponding house or ancestor.
1.3 attribute connecting：Ancestor after generation and house, generally contained the basic information in part, but practical
There are many information that operation needs, including obligee's essential information, four to information etc., this method provides the data inputting of standard
EXCEL masterplates, the data inputting function that user can rely on EXCEL powerful, are rapidly completed the typing of attribute data, later can be certainly
Dynamic according to ancestor the associate fields such as code and house real estate unit number mount attribute and corresponding figure, complete attribute record
Enter.
1.4 data quality checking：This method provides volume of data quality inspection rule, includes the inspection of graphic attribute and topological relation
Project, for duplicate node, with the repeating ancestor mistakes such as the stacking in number, ground or house occurred in data, can batch it is fast
Checking for speed comes, and provides solution opinion.
1.5 land deeds achievements export automatically：Land deeds part generally requires with submitting ancestor sketch, map-making parcel, cadastral inventory table etc.
Surveying and mapping result data, this part are also that most of construction teams spend time longest part.Process provides Mass productions
At fruit part, these surveying and mapping result data can be automatically generated according to CADASTRAL DATA, do not need manual intervention substantially.
2, house data processing section
2.1 data prediction：Later stage AUTOMATIC ZONING needs：This four houses of building number, building structure, the number of plies, area coefficient
Essential attribute；In order to ensure that pretreatment can be added with AUTOMATIC ZONING in data, after selecting house, these bases can be automatically extracted first
This attribute information, if extraction failure, it would be desirable to which operator inputs these essential attribute information and some other attribute letter
Breath.This process is repeated until pretreatment is completed in all houses.
2.2 hierarchical information inspections：The pretreated data of previous step are checked, if there is following situations：1) could not
Find four building number, building structure, the number of plies, area coefficient essential attribute information；2) building number is identical, building structure (except balcony)
It is different；3) structure in the corresponding house in building number is all balcony；Three cases above by output error message to window to prompt, and
It is intuitive to provide location information and suggestion for revision, step (2.2) is repeated until all data pass through hierarchical information inspection.It is fixed to provide
The process of position information and suggestion for revision is as follows：After being checked by hierarchical information, by the data of mistake on an error
Error description is listed in face, while all there are one relating values to be associated with for description and the actual feature of drawing per a line, so as to very
The intuitive relationship for reflecting error description and corresponding element.
2.3 AUTOMATIC ZONING：Step 2.31) selection layering ancestor, whether hierarchical diagram is had existed with judging ancestor, if in the presence of if
Directly open corresponding hierarchical diagram.If being not present, prompts selection to need to participate in the house of layering, pay attention to being typically chosen inside ancestor ground
House.Some information, including real estate unit number, obligee's information, project name etc., this method meeting is arranged in step 2.32)
Automatically these information from ancestor are extracted, if extraction failure, needs operator to input.After step 2.33) above step passes through, this
Method can read the information of each building, establish building-using building as unit>Structure->Floor->The hierarchical relationship of entity, as next
The foundation of step.Step 2.34) layering includes two ways：Merge same floor or nonjoinder same floor, selection combining are identical
The identical floor of floor plan can be merged into one layer by floor, when layering automatically, only be shown as multiple at floor；Choosing
Select nonjoinder same floor, when layering, all floors all will be enumerated individually.So far house AUTOMATIC ZONING finishes, and will be used as follow-up step
Rapid data.After above step, this method will be with every that unit generates corresponding hierarchical diagram.
Above-mentioned steps 2.34) delaminating process is related to according to existing building range line and house stratification line, structure face again
The problem of, automatic structure face algorithm is employed herein.Specifically there are the following steps：
Step 2.341. interrupts the line for participating in structure face, i.e., beats the building range line in all participation structure faces in node and point of intersection
It is disconnected, generate node set and line set.These set will duplicate record at common edge and common node.Such as Fig. 2
After one house of brick and the execution of two house of brick interrupt, it will generate node A to F, side AB, BC, CD, DA, BE, EF, CF, wherein B, C
For common node, BC is common edge, it may appear that twice, as shown in Figure 3.
Step 2.342. removes node and the side of repetition, directly judges that duplicate node, relatively head and the tail save according to node coordinate
Point coordinates judges to repeat side.Final all nodes and all sides, it should meet without the requirement repeated.It can remove in figure 3 above
B, C node repeated and the sides BC, to ensure that all records only have one.
Step 2.343. establishes node and the topological relation on side, is compared according to the coordinate of node and side two-end-point, establishes and closes
Connection relationship can find all sides connected to it according to incidence relation by each node, and can find it by side is connected
Node, to establish the topological relation of node and side.
Step 2.344. search structures face, is set out with any one node A, A connected side AB and AD is obtained, using A as origin
Angle α AB, α AD for obtaining AB, AD and X-axis, take angle it is minimum while as next search, therefore search B points.In B
Side BA, BC, BE are obtained at point, since BA has been searched therefore is excluded, it is α BE to be left minimum angle, therefore E points are searched
Rope arrives.The rest may be inferred, and until searching again for A points (i.e. starting point) or until can not finding next node, search terminates, and obtains
To structure face ABEFCD.
The faces step 2.345. are filtered, and all nodes can be obtained according to the search of previous step method from A to F：ABEFCD、
BEFCDA, CFEB, CBAD, DABEFC, EFCDAB, FCDABE have 7 polygons altogether, it is clear that many faces are the needs of redundance
Filtering, the polygon (i.e. structure face) of search must satisfy that node is counterclockwise, therefore the node sequence in CFEB, CBAD structure face is up time
Needle is excluded, and it is the same face in fact to be left ABEFCD, BEFCDA, DABEFC, EFCDAB, FCDABE structure face, having the same
Node, only starting point differ, repeat structure face retain one, the house face after may finally being merged
ABEFCD。
2.4 areal calculation：So far areal calculation can be carried out, the present invention scans the entity of hierarchical diagram full figure, and add up meter respectively
Calculate every layer, per building area.
2.5 outputting result：According to the performance data that house is layered, corresponding houseclearing application form and house layering are generated
Divide family figure.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (10)
1. the automatic processing method of real estate survey and mapping, which is characterized in that including CADASTRAL DATA processing and house data processing；
CADASTRAL DATA processing includes the following steps：
S11, data conversion：Original CADASTRAL DATA is automatically converted to the data of .dwg formats；
S12, Zong Di, house Mass production：To the part changed in original CADASTRAL DATA, it is updated measurement, is investigated simultaneously
The ownership information of Zong Di, house measure obtained survey information according to update and carry out drawing drafting, and survey information is remembered
Record；Range line is formed when drawing is drawn, with generating corresponding house or ancestor according to the range line；
S13, attribute connecting：By the ancestor after generation and the attribute data in house, typing EXCEL masterplates, then according to associated characters
Section mounts attribute and corresponding figure, completes attribute typing；
S14, data quality checking：Using data quality checking rule, batch checks the mistake occurred in data, and provides solution opinion；
S15, land deeds achievement export automatically：The achievement data of mapping is automatically generated according to CADASTRAL DATA；
House data processing includes the following steps：
S21, data prediction：After selecting house, the basic attribute information in house, including building number, building structure, the number of plies, face are extracted
Product coefficient；
S22, hierarchical information inspection：Pretreated data are checked, if there is following situations by output error message, and
Provide location information and suggestion for revision：1) four building number, building structure, the number of plies, area coefficient essential attribute information could not be found；
2) building number is identical, and the building structure other than balcony is different；3) structure in the corresponding house in building number is all balcony；
S23, AUTOMATIC ZONING：Selection layering ancestor, whether have existed hierarchical diagram with judging ancestor, is corresponded to if directly being opened in the presence of if
Hierarchical diagram, if being not present, prompt selection need participate in layering house；Setting information, including real estate unit number, obligee
Information, project name from ancestor extract the information of above-mentioned setting automatically；Using building as unit, the information of each building is read, is established
Building->Structure->Floor->The hierarchical relationship of entity；Select one of following layered mode：Merge same floor or nonjoinder is identical
Floor is with every that unit generates corresponding hierarchical diagram；
S24, areal calculation：The entity of hierarchical diagram full figure is scanned, accumulation calculating goes out every layer, per building area respectively；
S25, outputting result：According to the performance data that house is layered, corresponding houseclearing application form and house layering point are generated
Family figure.
2. the automatic processing method of real estate survey and mapping according to claim 1, which is characterized in that in step 23, choosing
It selects merging same floor, the identical floor of floor plan is merged into one layer when layering, is only shown as more at floor
It is a；Nonjoinder same floor is selected, when layering, all floors will be enumerated individually.
3. the automatic processing method of real estate survey and mapping according to claim 1, which is characterized in that surveyed and drawn in step 15
Achievement data include ancestor ground sketch, map-making parcel, cadastral inventory table.
4. the automatic processing method of real estate survey and mapping according to claim 1, which is characterized in that wrong described in step 14
Mistake include the duplicate node occurred in data, repeatedly ancestor number, ground or house stacking.
5. the automatic processing method of real estate survey and mapping according to claim 1, which is characterized in that closed described in step 13
Connection field includes ancestor ground code and house real estate unit number.
6. the automatic processing method of real estate survey and mapping according to claim 1, which is characterized in that belong to described in step 13
Property data include obligee's essential information, four to information.
7. the automatic processing method of real estate survey and mapping according to claim 1, which is characterized in that the original land deeds
Data are .shp formats.
8. the automatic processing method of real estate survey and mapping according to claim 1, which is characterized in that described to provide positioning
The process of information and suggestion for revision is as follows：After being checked by hierarchical information, by the data of mistake in the above-listed error of error
It accidentally describes, while description is all associated with there are one relating value with the actual feature of drawing per a line.
9. the automatic processing method of real estate survey and mapping according to claim 1, which is characterized in that in step S23, point
Layer process uses automatic structure face algorithm, and structure face again is carried out according to building range line and house stratification line.
10. the automatic processing method of real estate survey and mapping according to claim 9, which is characterized in that the structure again
Face includes the following steps：
The building range line in all participation structure faces is interrupted in node and point of intersection, generates node set and line set；
Remove node and the side that record is repeated in node set and line set；
Node and the topological relation on side are established, is compared according to the coordinate of node and side two-end-point, establishes incidence relation, according to association
Relationship finds all sides connected to it by each node, its connected node is found by side, to establish node and side
Topological relation；
Search for structure face, set out with any one node, obtain the side being connected with the node, using the node be described in origin obtains with
The angle on the node connected side and X-axis, take angle it is minimum while as next search, search for next node；Institute
The side that acquisition is connected with the next node at next node is stated, the side being searched is excluded, with the next node
The angle that the connected side and X-axis of the described and next node is obtained for origin takes the side of angle minimum to be searched as next again
Suo Bian searches for next one node, and so on, until searching again for starting point or until next node can not being found,
Search terminates, and obtains structure face；
Face is filtered, and exclusion node sequence is clockwise structure face, and the structure face of redundance is filtered out, and the structure face repeated only retains
One；The structure face node having the same of the redundance, only starting point are different.
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