CN109597863B - Device and method for converting pile numbers into vector paths in batch and storage medium - Google Patents
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Abstract
The invention discloses a device and a method for converting pile numbers into vector paths in batches and a storage medium. The method comprises the steps of obtaining road network data; respectively generating routing data of any path in the road network data by using a linear reference method; respectively converting the routing data into Json data; respectively extracting nodes of any path in the Json data, wherein the nodes comprise node pile numbers and node longitude and latitude coordinates; selecting two nodes as an initial node and a termination node respectively, and constructing structural data representing a vector straight line; acquiring a starting point node and an end point node of a road section pile number to be converted; respectively matching vector straight lines where the starting point node and the end point node are located; calculating the starting point longitude and latitude coordinates of the starting point node and the end point longitude and latitude coordinates of the end point node according to the structural data of the vector straight line in an equal ratio mode; and constructing and returning a vector path according to the starting point longitude and latitude coordinates and the end point longitude and latitude coordinates. The method and the device can convert the road section pile numbers into vector paths in batches.
Description
Technical Field
The invention relates to the technical field of traffic, in particular to a device and a method for converting pile numbers into vector paths in batches and a storage medium.
Background
A plurality of foundation piles with uniform numbers are arranged at intervals along the advancing direction of a road in a traffic system; the foundation piles are marked with pile numbers for recording distances, road network data imported in a geographic information system are generally subjected to distance positioning by the pile numbers, and then road section pile numbers are required to be converted into vector paths when the road network data are displayed by the geographic information system.
When developing an interface, a general geographic information system has and only provides a single interface for converting a road segment between two stake numbers into a vector path. But the road section between two stake numbers is often interrupted by other index combinations, and a plurality of sub-road sections of stake numbers and indexes, indexes and stake numbers are formed between the two stake numbers. When a large number of sub-road sections are formed, a single interface cannot process a large number of sub-road sections in batch, and the working efficiency is low.
Disclosure of Invention
The embodiment of the invention at least discloses a method for converting pile numbers into vector paths in batches, which can convert the pile numbers of road sections into the vector paths in batches.
The method comprises the following steps:
acquiring road network data;
respectively generating routing data of any path in the network data by using a linear reference method;
respectively converting the routing data into Json data;
respectively extracting nodes of any path in the Json data, wherein the nodes comprise node pile numbers and node longitude and latitude coordinates;
selecting two nodes as an initial node and a termination node respectively, and constructing structural data representing a vector straight line;
acquiring a starting point node and an end point node of a road section pile number to be converted;
respectively matching vector straight lines where the starting point node and the end point node are located;
calculating the starting point longitude and latitude coordinates of the starting point node and the end point longitude and latitude coordinates of the end point node according to the structural data of the vector straight line in an equal ratio mode;
and constructing and returning a vector path according to the starting point longitude and latitude coordinates and the end point longitude and latitude coordinates.
In some embodiments of the present disclosure, a linear reference method is selected to generate routing data of any path in the network data, and the method is configured to generate the routing data according to line data and reference point data of the network data.
In some embodiments of the present disclosure, the routing data is calibrated by reference point data after the routing data is generated.
In some embodiments disclosed in the present invention, after it is determined that the starting point node and the end point node are matched with the same vector straight line, a vector path is constructed and returned according to the starting point longitude and latitude coordinate and the end point longitude and latitude coordinate.
In some embodiments disclosed in the present invention, after it is determined that the start point node and the end point node are matched with the adjacent first vector straight line and second vector straight line, the common longitude and latitude coordinates of the common node of the first vector straight line and the second vector straight line are obtained, and a vector path is constructed and returned according to the start point longitude and latitude coordinates, the end point longitude and latitude coordinates, and the common longitude and latitude coordinates.
In some embodiments disclosed in the present invention, after it is determined that the starting point node and the end point node are matched with a first vector straight line and a second vector straight line which are not adjacent to each other, other vector straight lines between the first vector straight line and the second vector straight line are obtained; and constructing a first vector path according to the starting point longitude and latitude coordinates or the ending longitude and latitude coordinates of the other vector straight lines, constructing a second vector path according to the ending point longitude and latitude coordinates or the starting point longitude and latitude left sides of the other vector straight lines, and taking an intermediate vector path connecting the first vector path, the second vector path and the other vector straight lines as the vector path.
In some embodiments disclosed in the present invention, after the vector path is constructed and returned according to the start point longitude and latitude coordinate and the end point longitude and latitude coordinate, an excessive vector path is established between any two adjacent vector paths, and the two vector paths and the excessive vector path are spliced.
The embodiment of the invention at least discloses a device for converting pile numbers into vector paths in batches,
the device comprises:
the system comprises a preprocessing module, a data processing module and a data processing module, wherein the preprocessing module is used for acquiring road network data, generating routing data of any path in the network data respectively by using a linear reference method, converting the routing data into Json data respectively, extracting nodes of any path in the Json data respectively, selecting two nodes as an initial node and a termination node respectively, and constructing structural data representing a vector straight line, and the nodes comprise node pile numbers and node longitude and latitude coordinates;
the batch processing module is used for acquiring a starting point node and an end point node of the pile number of the road section to be converted, respectively matching vector straight lines where the starting point node and the end point node are located, respectively calculating starting point longitude and latitude coordinates of the starting point node and end point longitude and latitude coordinates of the end point node in an equal ratio mode according to structural data of the vector straight lines, and constructing and returning a vector path according to the starting point longitude and latitude coordinates and the end point longitude and latitude coordinates.
The embodiment of the invention at least discloses a storage medium, wherein at least one program for converting the pile number into the vector path in batch is stored on the storage medium, and the program for converting the pile number into the vector path in batch can be executed by one or more processors to realize the following steps:
acquiring road network data;
respectively generating routing data of any path in the network data by using a linear reference method;
respectively converting the routing data into Json data;
respectively extracting nodes of any path in the Json data, wherein the nodes comprise node pile numbers and node longitude and latitude coordinates;
selecting two nodes as an initial node and a termination node respectively, and constructing structural data representing a vector straight line;
acquiring a starting point node and an end point node of a road section pile number to be converted;
respectively matching vector straight lines where the starting point node and the end point node are located;
calculating the starting point longitude and latitude coordinates of the starting point node and the end point longitude and latitude coordinates of the end point node according to the structural data of the vector straight line in an equal ratio mode;
and constructing and returning a vector path according to the starting point longitude and latitude coordinates and the end point longitude and latitude coordinates.
In view of the above, other features and advantages of the disclosed exemplary embodiments will become apparent from the following detailed description of the disclosed exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a flow chart of an embodiment;
FIG. 2 is a diagram illustrating that the first vector line and the second vector line are not adjacent to each other.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as disclosed in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 embodiment discloses a method for converting pile numbers into vector paths in batches. The method of the embodiment can generate a plurality of structural data representing vector straight lines according to the road network data; and performing geometric operation according to the starting point and the end point of the pile numbers of the road sections to be converted and the located vector straight lines respectively to obtain longitude and latitude coordinates of the starting point and the end point and construct a vector graph of the pile numbers of each road section.
To achieve the above, please refer to fig. 1; the method of this example is as follows.
Step100, obtaining road network data including road segment pile numbers, and generating routing data according to path data of the road network data and reference road piles, wherein the routing data includes Shape fields and ID fields; the Shape field stores longitude and latitude coordinates of a reference road pile in the path, and the ID field stores a reference pile number.
Step200, respectively converting the routing data into Json data, wherein the Json data comprises reference stake numbers and longitude and latitude coordinates matched with the reference stake numbers.
Step300, extracting a reference pile number and longitude and latitude coordinates of the reference pile number of each path data in the Json data, respectively taking the two reference pile numbers as an initial pile number and an end pile number, and constructing structural data for identifying a vector straight line, wherein the structural data comprises the initial pile number and the longitude and latitude coordinates thereof, and the end pile number and the longitude and latitude coordinates thereof.
Through the scheme, the embodiment can construct a plurality of vector straight lines according to the path data of the road network data and the reference road piles; and then, taking the vector straight line as an operation basis to perform geometric operation on any two pile numbers to be converted in the vector straight line, so that the longitude and latitude coordinates of the pile numbers to be converted can be obtained.
And Step400, acquiring a starting point stake number and an end point stake number of the road section to be converted. And searching the vector straight lines where the pile numbers of the starting point and the end point are located through the vector straight lines. Calculating the longitude and latitude coordinates of the starting pile number according to the structural data corresponding to the vector straight line where the starting pile number is located and the equal ratio of the relative position of the starting pile number in the vector straight line; and calculating the longitude and latitude coordinates of the end point pile number according to the structural data corresponding to the vector straight line where the end point pile number is located and the relative position of the end point pile number in the vector straight line in an equal ratio manner.
And Step500, judging whether the pile numbers of the starting point and the end point are displaced by the same vector straight line.
And Step600, after judging that the pile numbers of the starting point and the end point are positioned on the same vector straight line, constructing and returning to a vector path according to the longitude and latitude coordinates of the pile numbers of the starting point and the end point.
Step700, after judging that the starting point stake number and the end point stake number are not located in the same vector straight line, judging whether a first vector straight line and a second vector straight line where the starting point stake number and the end point stake number are located are adjacent.
Step710, after judging that the pile number of the starting point and the pile number of the end point are respectively matched with the adjacent first vector straight line and the second vector straight line, obtaining the public longitude and latitude coordinates of the public node of the first vector straight line and the second vector straight line, and constructing and returning to a vector path according to the longitude and latitude coordinates and the public longitude and latitude coordinates of the pile number of the starting point and the pile number of the end point.
Step720, please refer to fig. 2, after judging that the starting point stake number and the ending point stake number are respectively matched with the first vector straight line and the second vector straight line which are not adjacent, obtaining other vector straight lines between the first vector straight line and the second vector straight line; and constructing a first vector path according to the longitude and latitude coordinates of the initial pile number and the initial pile number of the other vector straight lines, constructing a second vector path according to the longitude and latitude coordinates of the end pile number and the end pile number of the other vector straight lines, and splicing the first vector path, the second vector path and the intermediate vector path represented by the other vector straight lines into a final vector path.
Through the scheme, after the structural data of a plurality of vector straight lines are established in advance according to the road network data, the starting point pile number and the end point pile number of the road section pile number are respectively extracted in batches, and then the longitude and latitude coordinates of the starting point pile number and the end point pile number are obtained according to the vector straight lines where the starting point pile number and the end point pile number are located, so that a vector path is established.
In some embodiments, the generated routing data is calibrated by other reference point data that does not participate in generating routing data.
In some embodiments, the excess vector path is spliced between two adjacent vector paths after the vector path is constructed and returned to the geographic information system. The embodiment can integrate several road segment stake numbers into the same vector path in batch.
The embodiment further discloses a device for converting the pile numbers into the vector paths in batch, and for convenience of description, only the parts related to the embodiment of the invention are shown. The device comprises a preprocessing module and a batch processing module.
The preprocessing module is configured to acquire road network data, select a linear reference method to generate routing data of any path in the network data respectively, convert the routing data into Json data respectively, extract nodes of any path in the Json data respectively, wherein the nodes comprise node pile numbers and node longitude and latitude coordinates, select two nodes to be used as initial nodes and end nodes respectively, and construct structural data representing vector straight lines;
and the batch processing module is configured to obtain a starting point node and an end point node of the pile number of the road section to be converted, match the vector straight lines where the starting point node and the end point node are located respectively, calculate a starting point longitude and latitude coordinate of the starting point node and an end point longitude and latitude coordinate of the end point node according to the structural data of the vector straight lines in an equal ratio mode respectively, construct a vector path according to the starting point longitude and latitude coordinate and the end point longitude and latitude coordinate, and return the vector path.
The present embodiment further discloses a storage medium, and for convenience of description, only the portions related to the embodiments of the present invention are shown. The storage medium is stored with at least one program for converting the pile number into the vector path in batch, and the program for converting the arbitrary pile number into the vector path in batch can be executed by one or more processors to realize the following steps of acquiring the road network data; selecting a linear reference method to generate routing data of any path in the network data respectively; respectively converting the routing data into Json data; respectively extracting nodes of any path in the Json data, wherein the nodes comprise node pile numbers and node longitude and latitude coordinates; selecting two nodes as an initial node and a termination node respectively, and constructing structural data representing a vector straight line; acquiring a starting point node and an end point node of a road section pile number to be converted; respectively matching vector straight lines where the starting point node and the end point node are located; calculating the starting point longitude and latitude coordinates of the starting point node and the end point longitude and latitude coordinates of the end point node according to the structural data of the vector straight line in an equal ratio mode; and constructing and returning a vector path according to the starting point longitude and latitude coordinates and the end point longitude and latitude coordinates.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A method for converting pile numbers into vector paths in batches is characterized in that,
the method comprises the following steps:
acquiring road network data;
respectively generating routing data of any path in the road network data by using a linear reference method;
respectively converting the routing data into Json data;
respectively extracting nodes of any path in the Json data, wherein the nodes comprise node pile numbers and node longitude and latitude coordinates;
selecting two nodes as an initial node and a termination node respectively, and constructing structural data representing a vector straight line;
acquiring a starting point node and an end point node of a road section pile number to be converted;
respectively matching vector straight lines where the starting point node and the end point node are located;
calculating the starting point longitude and latitude coordinates of the starting point node and the end point longitude and latitude coordinates of the end point node according to the structural data of the vector straight line in an equal ratio mode;
and constructing and returning a vector path according to the starting point longitude and latitude coordinates and the end point longitude and latitude coordinates.
2. The method for converting vector paths in batches of stub numbers according to claim 1,
and respectively generating routing data of any path in the road network data by using a linear reference method, and configuring to generate the routing data according to the line data and the reference point data of the road network data.
3. The method for converting vector paths in batches of stub numbers according to claim 1,
calibrating the routing data with reference point data after generating the routing data.
4. The method for converting vector paths in batches of stub numbers according to claim 1,
and after the starting point node and the end point node are matched with the same vector straight line, constructing and returning to a vector path according to the starting point longitude and latitude coordinate and the end point longitude and latitude coordinate.
5. The method for converting vector paths in batches of stub numbers according to claim 1,
and after the starting point node and the end point node are judged to be matched with the adjacent first vector straight line and second vector straight line, obtaining the common longitude and latitude coordinates of the common node of the first vector straight line and the second vector straight line, and constructing and returning to a vector path according to the starting point longitude and latitude coordinates, the end point longitude and latitude coordinates and the common longitude and latitude coordinates.
6. The method for converting vector paths in batches of stub numbers according to claim 1,
after the starting point node and the end point node are judged to be matched with a first vector straight line and a second vector straight line which are not adjacent, other vector straight lines between the first vector straight line and the second vector straight line are obtained; and constructing a first vector path according to the starting point longitude and latitude coordinates or the ending longitude and latitude coordinates of the other vector straight lines, constructing a second vector path according to the ending point longitude and latitude coordinates or the starting point longitude and latitude left sides of the other vector straight lines, and taking an intermediate vector path connecting the first vector path, the second vector path and the other vector straight lines as the vector path.
7. The method for converting vector paths in batches of stub numbers according to claim 1,
after the vector path is constructed and returned according to the starting point longitude and latitude coordinates and the end point longitude and latitude coordinates, an excessive vector path is established between any two adjacent vector paths, and the two vector paths and the excessive vector path are spliced.
8. A device for converting pile numbers into vector paths in batches is characterized in that,
the device comprises:
the system comprises a preprocessing module, a data processing module and a data processing module, wherein the preprocessing module is used for acquiring road network data, generating routing data of any path in the road network data respectively by using a linear reference method, converting the routing data into Json data respectively, extracting nodes of any path in the Json data respectively, selecting two nodes as an initial node and a termination node respectively, and constructing structural data representing a vector straight line;
the batch processing module is used for acquiring a starting point node and an end point node of the pile number of the road section to be converted, respectively matching vector straight lines where the starting point node and the end point node are located, respectively calculating starting point longitude and latitude coordinates of the starting point node and end point longitude and latitude coordinates of the end point node in an equal ratio mode according to structural data of the vector straight lines, and constructing and returning a vector path according to the starting point longitude and latitude coordinates and the end point longitude and latitude coordinates.
9. A storage medium having stored thereon at least one program for a lot size translation vector path of stake numbers, any of the programs for a lot size translation vector path of stake numbers being executable by one or more processors to perform the steps of:
acquiring road network data;
respectively generating routing data of any path in the road network data by using a linear reference method;
respectively converting the routing data into Json data;
respectively extracting nodes of any path in the Json data, wherein the nodes comprise node pile numbers and node longitude and latitude coordinates;
selecting two nodes as an initial node and a termination node respectively, and constructing structural data representing a vector straight line;
acquiring a starting point node and an end point node of a road section pile number to be converted;
respectively matching vector straight lines where the starting point node and the end point node are located;
calculating the starting point longitude and latitude coordinates of the starting point node and the end point longitude and latitude coordinates of the end point node according to the structural data of the vector straight line in an equal ratio mode;
and constructing and returning a vector path according to the starting point longitude and latitude coordinates and the end point longitude and latitude coordinates.
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| CN112150610A (en) * | 2020-09-15 | 2020-12-29 | 广联达科技股份有限公司 | Retaining wall modeling method and system based on dimension marking |
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