CN110019625B - Text standard address spatialization method and device and computer readable storage medium - Google Patents
Text standard address spatialization method and device and computer readable storage medium Download PDFInfo
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Abstract
The invention discloses a text standard address spatialization method and device and a computer readable storage medium. The text standard address spatialization method comprises the following steps: through the association equipment and data processing, the fast spatialization of the text address is realized; and (4) combining the spatial analysis of the geographic information system to carry out quality verification and correction on the spatial standard address. The invention can realize automatic batch spatialization, data quality inspection and data correction of the text standard address, thereby greatly improving the spatialization efficiency and accuracy of the text standard address, reducing the workload of address maintenance personnel and improving the data quality of the space standard address.
Description
Technical Field
The invention relates to the field of information service application, in particular to a text standard address spatialization method and device and a computer readable storage medium.
Background
The text standard address spatialization can effectively solve the problems of repeated text standard address data and multiple names in one address, and can also improve the accuracy rate of foreground address selection and resource confirmation; the method meets the resource and service development mode based on the geographic area, adapts to the idea of gridding and regionalization management, finally uses the cell buildings as uniform granularity, breaks through communication bridges of departments such as marketing, network planning, resource management and the like, and provides means for management of competitive information and the like.
At present, text standard address spatialization work is generally carried out by adopting a text address batch spatialization and manual inspection correction mode. According to the real building situation, the standard address spatialization is six-level standard address (building) spatialization, and the seven-eight-nine three-level address (unit, floor and room number) uses the upper-link six-level standard address coordinate.
Fig. 1 is a diagram illustrating an embodiment of a conventional text-based address spatialization method. The implementation of the embodiment of fig. 1 includes three aspects: a text standard address and equipment association method; a text address batch spatialization method; and (3) a space standard address correction method.
1. The text standard address and equipment association method comprises the following steps: and (3) associating text standard addresses with network resource devices to maintain the association relationship, wherein the device resource capacity can cover the standard addresses, and the standard addresses are 9-level standard addresses generally, and comprise specific floor and room numbers.
2. The text address batch spatialization method comprises the following steps: finding the upward related 6 th-level standard address through the 9 th-level standard address, judging whether the address is spatialized, if so, skipping, and executing the judgment of the next nine-level address; if not, recording the coordinates of the network resource equipment associated with the 9-level standard address as the coordinates of the 6-level standard address, completing the text address spatialization, and executing the judgment of the next nine-level address. And the traversal is completed on the whole nine-level address, and all the covering addresses are already spatialized at the moment.
3. The space standard address correction method comprises the following steps: and checking the superposition relationship between the address point and the building surface of the map in a manual comparison mode, and correcting the error spatialization data.
The existing text address space operation process faces the following problems: firstly, the processing of text standard address batch spatialization data is too simple, so that the spatialization space standard address data has low quality and needs a large amount of manual correction; secondly, the quality efficiency of the data on the text standard addresses in batches is low through manual verification, and the overall quality statistics of the data cannot be carried out; and manual correction of the wrong spatial standard address wastes time and labor, and the uncertainty of the corrected target causes low efficiency.
Disclosure of Invention
In view of the above technical problems, the present invention provides a method and an apparatus for spatializing a standard text address, and a computer-readable storage medium, which can greatly improve the efficiency of spatializing a standard text address and the data quality.
According to one aspect of the invention, a text standard address spatialization method is provided, which comprises the following steps:
through the association equipment and data processing, the fast spatialization of the text address is realized;
and (4) combining the spatial analysis of the geographic information system to carry out quality verification and correction on the spatial standard address.
In an embodiment of the present invention, the implementing fast spatialization of text addresses by associating devices with data processing includes:
associating the network resource equipment with the nine-level standard address, and copying the coordinates of the network resource equipment to the associated nine-level standard address;
sequentially acquiring an eight-level standard address coordinate, a seven-level standard address coordinate and a six-level standard address coordinate which are connected in the upper part;
and deleting the nine-level standard address coordinate, the eight-level standard address coordinate and the seven-level standard address coordinate to realize the quick spatialization of the text address.
In an embodiment of the present invention, the sequentially acquiring the eight-level standard address coordinate, the seven-level standard address coordinate, and the six-level standard address coordinate of the upper link includes:
calculating N-level standard address coordinates with the same upper-connection N-1-level address to obtain an outsourcing rectangle, and acquiring coordinates of a central point of the outsourcing rectangle, wherein N is nine, eight or seven;
obtaining a difference point coordinate according to the difference value between the N-level standard address coordinate and the coordinate of the center point of the outsourcing rectangle;
and determining N point group coordinate sets according to the comparison of the difference point distance between every two difference points and a preset distance threshold, wherein N is the number of the N-level standard address coordinate points.
Acquiring the center point coordinates, the coordinate point number and the point group coordinate set weight of each point group coordinate set;
and determining N-1 level address point coordinates according to the center point coordinates, the coordinate point number and the point group coordinate set weight.
In an embodiment of the present invention, the determining the n point group coordinate sets according to the comparison between the difference point distance between each two difference points and the predetermined distance threshold includes:
acquiring the difference point distance between each difference point and the ith difference point, wherein i is a natural number which is more than or equal to 1 and less than or equal to n;
forming an ith point group coordinate set by the difference points with the distance not greater than a preset distance threshold;
forming a data source set by the difference points with the distance not greater than a preset distance threshold;
and repeatedly executing the step of obtaining the difference point distance between each difference point and the ith difference point by taking the data source set as a data source.
In an embodiment of the present invention, the performing quality check and correction on the spatial standard address in combination with spatial analysis of the geographic information system includes:
obtaining a data quality analysis result through space superposition analysis and space buffer analysis;
and correcting the space position of the standard address by adopting a correction algorithm aiming at the analysis result.
In an embodiment of the present invention, the obtaining the data quality analysis result through the spatial overlap analysis and the spatial buffer analysis includes:
and carrying out spatial superposition analysis on the standard address points and the vector map building surface to obtain a data analysis result.
In an embodiment of the present invention, the performing a standard address space position correction by using a correction algorithm on the analysis result includes:
analyzing the space buffer area to obtain address point data of each building surface;
calculating the shortest distance between the address point and the boundary of the building surface;
the shortest distance point is moved to the center point of the building face.
In an embodiment of the present invention, the performing quality check and correction on the spatial standard address in combination with spatial analysis of the geographic information system further includes:
performing spatial superposition analysis again to obtain a secondary data quality analysis result;
and determining unqualified addresses in the secondary data quality analysis result for manual correction.
According to another aspect of the present invention, there is provided a text standard address spatialization apparatus, including:
the quick spatialization module is used for realizing the quick spatialization of the text address through the association equipment and the data processing;
and the quality check and correction module is used for performing quality check and correction on the spatial standard address in combination with spatial analysis of the geographic information system.
In an embodiment of the present invention, the standard text address spatialization apparatus is configured to perform an operation of implementing the standard text address spatialization method according to any one of the above-mentioned embodiments.
According to another aspect of the present invention, there is provided a text standard address spatialization apparatus, including:
a memory to store instructions;
a processor configured to execute the instructions to cause the text-standard address spatialization apparatus to perform operations for implementing the text-standard address spatialization method according to any one of the above embodiments.
According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions which, when executed by a processor, implement a text standard address spatialization method as described in any one of the above embodiments.
The invention can realize automatic batch spatialization, data quality inspection and data correction of the text standard address, thereby greatly improving the spatialization efficiency and accuracy of the text standard address, reducing the workload of address maintenance personnel and improving the data quality of the space standard address.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a diagram illustrating an embodiment of a conventional text-based address spatialization method.
FIG. 2 is a diagram illustrating an embodiment of a standard address spatialization method according to the present invention.
FIG. 3 is a diagram illustrating a fast spatialization of a standard address of a text according to an embodiment of the present invention.
FIG. 4 is a diagram illustrating quality checking and correction of spatial canonical address data according to an embodiment of the invention.
FIG. 5 is a diagram illustrating another embodiment of a standard text address spatialization method according to the present invention.
FIG. 6 is a diagram of an apparatus for standard address spatialization of text according to an embodiment of the present invention.
FIG. 7 is a diagram of another embodiment of a standard text address spatialization apparatus according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
FIG. 2 is a diagram illustrating an embodiment of a standard address spatialization method according to the present invention. Preferably, this embodiment can be performed by the text standard address spatialization apparatus of the present invention. The method comprises the following steps:
And 2, combining the spatial analysis of the geographic information system to carry out quality verification and correction on the spatial standard address. And step 2 is a step of improving the space efficiency and data quality of the text standard address.
FIG. 3 is a diagram illustrating a fast spatialization of a standard address of a text according to an embodiment of the present invention. As shown in fig. 3, step 1 in the embodiment of fig. 2 is a step of generating overlay addresses in batch and implementing fast spatialization of text standard addresses, and the specific steps may include:
step 1-1, associating the 9-level standard address with the end equipment, copying the coordinate of the end equipment to the associated 9-level standard address to obtain a 9-level address point P1(x1，y1)，P2(x2，y2)，P3(x3，y3)，...Pn(xn，yn) And n is the number of the 9-level standard address coordinate points.
Step 1-2, coordinate { (X) of 9-level address with same upper-connected 8-level address1，Y1)，(X2，Y2)，(X3，Y3)，……，(Xn，Yn) Calculating to obtain an outer-wrapped rectangle [ (x)min，ymin)，(xmax，ymax)]And calculating the central point of the outsourcing rectangle as follows:
x＝(xmax+xmin)/2，y＝(ymax+ymin)/2。
step 1-3, nine-level standard address point P1、P2、P3...PnCalculating the coordinate difference with the central point of the outer-wrapped rectangle to obtain a result D1(dx1，dy1)、D2(dx2，dy2)、D3(dx3，dy3)...Dn(dxn，dyn)。
Step 1-4, setting a distance threshold dx ═ dy ═ a, and using D1As a starting point, loop D1、D2、D3...DnHeel D1Comparing, and putting the data meeting the threshold value into a set S1Unsatisfied data points are placed in the set Sm。
Step 1-5, with set SmThe step 1-4 is circulated to obtain a point group coordinate set S as a data source2，S3…Sn。
Step 1-6, respectively calculating point set S2，S3…SnThe central point C, the number N of coordinate points, and the point set weight H is N/total number of coordinate points in all sets.
Step 1-7, calculating X ═ Σ X according to the formulan*Hn，y＝∑Yn*HnAnd 8-level address points P (x, y) are obtained.
And 1-8, calculating to obtain 7-level address coordinates and 6-level address coordinates by using the same algorithm as the steps (step 1-1 to step 1-7), and finishing the text standard address batch spatialization operation.
FIG. 4 is a diagram illustrating quality checking and correction of spatial canonical address data according to an embodiment of the invention. As shown in fig. 4, step 2 in the embodiment of fig. 2 is a step of checking and correcting data quality of a spatial standard address, and a step of improving the efficiency of text standard address spatialization and data quality, and the specific steps may include:
and 2-1, performing space superposition analysis on the standard address points and the vector map building surface, and judging whether the space standard address points are in the building surface to obtain a point set X in the building graph and a point set Y not in the building graph.
And 2-2, taking the side line of the building graph as a starting point, performing buffer area analysis with the radius of N meters outwards, and solving intersection of the analysis result and the set Y to obtain M candidate address points.
Step 2-3, calculating the shortest distance between the M address points and the boundary of the building surface, and comparing to obtain the minimum distance; and (3) moving all the space standard address points with the minimum distance to the central point of the building, and if a plurality of points exist, uniformly distributing and arranging the points at intervals of 1 meter (actual distance) by taking the central point as the center.
And 2-4, repeating the steps 2-2 to 2-4 until the traversing judgment and correction of all the building surfaces on the map are completed.
And 2-5, performing spatial superposition analysis on the spatial standard address points and the building surface again to obtain a secondary data quality analysis result.
And 2-6, counting addresses which are not in the building surface, and carrying out manual judgment and correction.
Based on the text standard address spatialization method provided by the above embodiment of the present invention, the text standard address spatialization efficiency and the data quality can be improved, and the above embodiment of the present invention includes step 1 and step 2. The step 1 is a text standard address rapid spatialization step, and the text address rapid spatialization is realized through associated equipment and data processing; the step 2 is a step of checking and correcting the quality of the spatial standard address data, a data analysis result is obtained through spatial superposition analysis and spatial buffer analysis, and then a correction algorithm is adopted for correcting the spatial position of the standard address according to the result, so that the data quality is improved. The embodiment of the invention greatly improves the efficiency and the accuracy of text address spatialization, reduces the workload of address maintenance personnel and improves the data quality of space standard addresses.
FIG. 5 is a diagram illustrating another embodiment of a standard text address spatialization method according to the present invention. Preferably, this embodiment can be performed by the text standard address spatialization apparatus of the present invention. The method comprises the following steps:
and 51, associating the network resource equipment with the nine-level standard address, and copying the coordinates of the network resource equipment to the associated nine-level standard address.
Step 52, acquiring a coordinate central point of the nine-level standard address to obtain coordinates of the upper eight-level standard address; sequentially acquiring a seven-level standard address coordinate and a six-level standard address coordinate; and deleting the nine-level standard address coordinate, the eight-level standard address coordinate and the seven-level standard address coordinate to realize the quick spatialization of the text address.
In an embodiment of the present invention, the sequentially acquiring the eight-level standard address coordinate, the seven-level standard address coordinate, and the six-level standard address coordinate of the upper link may include: the specific steps in the embodiment of fig. 3.
In an embodiment of the present invention, in step 52, the step of sequentially acquiring the eight-level standard address coordinate, the seven-level standard address coordinate, and the six-level standard address coordinate of the upper link may include:
and step 521, calculating N-level standard address coordinates with the same upper-link N-1 level address to obtain an outsourcing rectangle, and acquiring coordinates of a central point of the outsourcing rectangle, wherein N is nine, eight or seven.
And 522, obtaining a difference point coordinate according to the difference value between the N-level standard address coordinate and the center point coordinate of the outsourcing rectangle.
Step 523, determining N point group coordinate sets according to a comparison between the difference point distance between each two difference points and a predetermined distance threshold, where N is the number of N-level standard address coordinate points.
In one embodiment of the present invention, step 523 may comprise:
5231, obtaining a difference point distance between each difference point and the ith difference point, where i is a natural number greater than or equal to 1 and less than or equal to n;
step 5232, forming the difference points with the distance not greater than the predetermined distance threshold into the ith point group coordinate set;
step 5233, grouping the difference points whose distance is not greater than a predetermined distance threshold into a data source set;
step 5234, with the set of data sources as data sources, then step 5231 is repeated.
Step 524, acquiring a central point coordinate, the number of coordinate points and a point cluster coordinate set weight of each point cluster coordinate set;
and step 525, determining N-1 level address point coordinates according to the central point coordinates, the coordinate point quantity and the point group coordinate set weight.
And 53, carrying out spatial superposition analysis on the standard address points and the vector map building surface to obtain a data analysis result.
And step 54, analyzing the space buffer area to obtain possible address point data of each building surface.
The embodiment of the invention can improve the spatialization efficiency and the data quality of the text standard address, combines the space analysis technology of a Geographic Information System (GIS), centers on two key points of the fast spatialization of the text address, the quality verification and the correction of the space standard address, constructs a space standard address management System, and can fast realize the spatialization and the position correction of the text address, thereby greatly improving the spatialization efficiency and the accuracy of the text address, reducing the workload of address maintainers and improving the data quality of the space standard address. The embodiment of the invention can continuously optimize the standard address, thereby further improving the data quality of the space standard address and providing data support for the service of an operator based on the space position.
FIG. 6 is a diagram of an apparatus for standard address spatialization of text according to an embodiment of the present invention. As shown in fig. 6, the standard address spatialization apparatus may include a fast spatialization module 61 and a quality check correction module 62, wherein:
and the fast spatialization module 61 is used for realizing fast spatialization of the text address by associating equipment and data processing.
And the quality check and correction module 62 is configured to perform quality check and correction on the spatial standard address in combination with spatial analysis of the geographic information system.
In an embodiment of the present invention, the standard text address spatialization apparatus is configured to perform an operation for implementing the standard text address spatialization method according to any one of the embodiments described above (for example, any one of the embodiments in fig. 2 to 5).
Aiming at the technical problems that the text address spatialization is mainly carried out in a batch spatialization and manual correction mode in the prior art, and the data quality is low, and a large amount of manual work is needed for data correction, the text standard address spatialization device provided by the embodiment of the invention can realize automatic batch spatialization, data quality inspection and data correction of the text standard address, thereby greatly improving the efficiency and the accuracy of the text address spatialization, reducing the workload of address maintenance personnel and improving the data quality of the space standard address.
FIG. 7 is a diagram of another embodiment of a standard text address spatialization apparatus according to the present invention. As shown in fig. 7, the standard address spatialization means may comprise a memory 71 and a processor 72, wherein:
a memory 71 for storing instructions.
A processor 72, configured to execute the instructions, so that the text standard address spatialization apparatus performs an operation of implementing the text standard address spatialization method according to any one of the embodiments described above (for example, any one of fig. 2 to fig. 5).
The embodiment of the invention utilizes a GIS space analysis technology, combines data such as an electronic vector map, network equipment, a cell grid, a text standard address and the like, and realizes automatic batch spatialization, data quality inspection and data correction of the text standard address, thereby greatly improving the efficiency and the accuracy of the spatialization of the text address, reducing the workload of address maintenance personnel and improving the data quality of the space standard address.
The embodiment of the invention belongs to the field of comprehensive information service application of operators. The main application scenario of the embodiment of the invention is the text standard address spatialization in the communication industry, and the spatialization efficiency and the accuracy can be greatly improved.
According to another aspect of the present invention, there is provided a computer-readable storage medium storing computer instructions which, when executed by a processor, implement the text standard address spatialization method according to any one of the embodiments described above (e.g., any one of fig. 2-5).
The purpose of the foregoing embodiments of the present invention is to overcome the deficiencies of the existing text standard address spatialization method, and provide a computer-readable storage medium for improving the spatialization efficiency and data quality of a text standard address, thereby greatly improving the spatialization efficiency and accuracy of the text standard address, reducing the workload of address maintenance personnel, and improving the data quality of the space standard address; the embodiment of the invention can continuously optimize the standard address, thereby further improving the data quality of the space standard address and providing data support for the service of an operator based on the space position.
The text standard address spatialization means described above may be implemented as a general purpose processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any suitable combination thereof, for performing the functions described herein.
Thus far, the present invention has been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (9)
1. A text standard address spatialization method is characterized by comprising the following steps:
through the association equipment and data processing, the fast spatialization of the text address is realized;
combining the spatial analysis of a geographic information system, and performing quality verification and correction on the spatial standard address;
wherein the implementation of the text address fast spatialization by associating the device with the data processing comprises:
associating the network resource equipment with the nine-level standard address, and copying the coordinates of the network resource equipment to the associated nine-level standard address;
sequentially acquiring an eight-level standard address coordinate, a seven-level standard address coordinate and a six-level standard address coordinate which are connected in the upper part;
deleting the nine-level standard address coordinate, the eight-level standard address coordinate and the seven-level standard address coordinate to realize the quick spatialization of the text address;
the sequentially acquiring the eight-level standard address coordinate, the seven-level standard address coordinate and the six-level standard address coordinate of the upper link comprises:
calculating N-level standard address coordinates with the same upper-connection N-1-level address to obtain an outsourcing rectangle, and acquiring coordinates of a central point of the outsourcing rectangle, wherein N is nine, eight or seven;
obtaining a difference point coordinate according to the difference value between the N-level standard address coordinate and the coordinate of the center point of the outsourcing rectangle;
determining N point group coordinate sets according to the comparison of the difference point distance between every two difference points and a preset distance threshold, wherein N is the number of N-level standard address coordinate points;
acquiring the center point coordinates, the coordinate point number and the point group coordinate set weight of each point group coordinate set;
and determining N-1 level address point coordinates according to the center point coordinates, the coordinate point number and the point group coordinate set weight.
2. The method of claim 1, wherein determining the n point group coordinate sets according to the comparison of the difference point distance between each two difference points and the predetermined distance threshold comprises:
acquiring the difference point distance between each difference point and the ith difference point, wherein i is a natural number which is more than or equal to 1 and less than or equal to n;
forming an ith point group coordinate set by the difference points with the distance not greater than a preset distance threshold;
forming a data source set by the difference points with the distance not greater than a preset distance threshold;
and repeatedly executing the step of obtaining the difference point distance between each difference point and the ith difference point by taking the data source set as a data source.
3. The method of claim 1 or 2, wherein the quality check and correction of the spatial standard address in combination with the spatial analysis of the geographic information system comprises:
obtaining a data quality analysis result through space superposition analysis and space buffer analysis;
and correcting the space position of the standard address by adopting a correction algorithm aiming at the analysis result.
4. The method of claim 3, wherein the obtaining the data quality analysis result through the spatial overlay analysis and the spatial buffer analysis comprises:
and carrying out spatial superposition analysis on the standard address points and the vector map building surface to obtain a data analysis result.
5. The method according to claim 3, wherein the performing of the standard address space position correction by using the correction algorithm for the analysis result comprises:
analyzing the space buffer area to obtain address point data of each building surface;
calculating the shortest distance between the address point and the boundary of the building surface;
the shortest distance point is moved to the center point of the building face.
6. The method of claim 3, wherein the quality verification and correction of the spatial standard address in combination with the spatial analysis of the geographic information system further comprises:
performing spatial superposition analysis again to obtain a secondary data quality analysis result;
and determining unqualified addresses in the secondary data quality analysis result for manual correction.
7. A standard text address spatialization apparatus, comprising:
the quick spatialization module is used for realizing the quick spatialization of the text address through the association equipment and the data processing;
the quality check and correction module is used for carrying out quality check and correction on the space standard address in combination with the space analysis of the geographic information system;
wherein the text standard address spatialization apparatus is configured to perform an operation of implementing the text standard address spatialization method according to any one of claims 1 to 6.
8. A standard text address spatialization apparatus, comprising:
a memory to store instructions;
a processor configured to execute the instructions to cause the text standard address spatialization apparatus to perform operations to implement the text standard address spatialization method according to any one of claims 1 to 6.
9. A computer-readable storage medium storing computer instructions which, when executed by a processor, implement the text standard address spatialization method according to any one of claims 1 to 6.
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