CN104732781A - Road intersection display method and device - Google Patents
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- CN104732781A CN104732781A CN201510119114.2A CN201510119114A CN104732781A CN 104732781 A CN104732781 A CN 104732781A CN 201510119114 A CN201510119114 A CN 201510119114A CN 104732781 A CN104732781 A CN 104732781A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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Abstract
The invention discloses a road intersection display method and device. According to the road intersection display method and device, a road model of each entrance and exit of a road intersection is determined, and the road intersection composed of the road models of the entrances and exits serves as an interface of the road intersection. According to the scheme, the road intersection is not directly generated while the road intersection interface is decomposed into the multiple road models of the entrances and exits, and road intersection interfaces of any shape can be generated.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of intersection display packing and device.
Background technology
Along with the rapid rising of automobile pollution and the day by day serious of urban road congestion situation, urban traffic signal controller in daily life role is more and more important.Future city traffic signal controlling machine product, towards high-end future development, will become more and more intelligent and hommization, and make operation become easier, more directly perceived.Increasing human and machine interface unit in teleseme, for intersection emulation, supervisory signal machine running status, is the important means of a kind of promotion signal machine image product and quality.
At present, the intersection model storage mainly passing through in teleseme man-machine interface to preset, in teleseme, calls corresponding model when needing display intersection.Teleseme is due to limited memory, the shape of the intersection model supported is limited, mostly can only show the cross intersection of standard, for special intersection, such as X-type mouth, many forks etc., man-machine interface can accurately not show the true shape of intersection.Such as, the intersection needing display is X-type mouth, and the intersection model only intersection model cruciferous preset, now can only call criss-cross intersection model to show, the problems such as single, the readability difference of intersection mouth-shaped of therefore teleseme ubiquity display.
Summary of the invention
Embodiments provide a kind of intersection display packing and device, the problem that the shape in order to solve the intersection interface that teleseme is supported is limited.
A kind of intersection display packing that the embodiment of the present invention provides, comprising:
Obtain road direction information, the road geographic coordinate information of each import and export of intersection;
The position coordinates of road in display interface of each import and export of described intersection is determined according to the road geographic coordinate information of each import and export of described intersection;
In N number of import and export of described intersection, determine that one is imported and exported as benchmark is imported and exported, and on described benchmark is imported and exported, import road model according to the position coordinates of road in described display interface that described benchmark is imported and exported, wherein N is positive integer;
Import and export in described intersection, the deflection angle that these import and export and described benchmark are imported and exported is determined according to the road direction information that road direction information and the described benchmark of these import and export are imported and exported, and according to the position coordinates of road in described display interface of described deflection angle and these import and export, the road model imported and exported by described benchmark copies in these import and export;
Road model according to import and export each in described intersection shows described intersection.
Preferably, also comprise:
Determine the current direction mark in the road of each import and export in N number of import and export of described intersection corresponding to every bar track and the position coordinates of crossing in described display interface;
Import and export in described intersection, according to the current position coordinates of direction mark, the position coordinates of crossing of this import and export correspondence, in these import and export, import current direction identification model, crossing model.
Preferably, the described road model according to import and export each in described intersection shows described intersection, comprising:
Import and export in described intersection, obtain the state of the traffic lights of these import and export, and determine the current color of direction identification model, the color of crossing model in these import and export according to the state of described traffic lights.
Preferably, the described position coordinates according to road on described deflection angle and this import and export, the road model imported and exported by described benchmark copies in these import and export, comprising:
The first reference point is determined in the position coordinates of the road on described benchmark is imported and exported, determine the second reference point in the position coordinates of the road in these import and export, the relative position in the relative position in the road of wherein said first reference point on described benchmark is imported and exported and the described second reference point road in these import and export is identical;
Copy the road model that described benchmark is imported and exported, and the road model after shift copy makes corresponding point in the road model of described first reference point on described benchmark is imported and exported be positioned on described second reference point;
According to the deflection angle that these import and export and described benchmark are imported and exported, with described second reference point for the center of circle, rotate the road model after described copying, the road model after copying described in postrotational is arranged in the position coordinates of road in these import and export.
Preferably, described intersection is imported and exported combination in any by eight and is formed, and described eight import and export in two of arbitrary neighborhood import and export between deflection angle be 45 °.
Embodiments provide a kind of intersection display device, comprising:
Acquiring unit, for obtaining road direction information, the road geographic coordinate information of each import and export of intersection;
Determining unit, for determining the position coordinates of road in display interface of each import and export of described intersection according to the road geographic coordinate information of each import and export of described intersection;
Benchmark imports and exports determining unit, for determining that in N number of import and export of described intersection one is imported and exported as benchmark is imported and exported, and on described benchmark is imported and exported, import road model according to the position coordinates of road in described display interface that described benchmark is imported and exported, wherein N is positive integer;
Copied cells, for importing and exporting in described intersection, the deflection angle that these import and export and described benchmark are imported and exported is determined according to the road direction information that road direction information and the described benchmark of these import and export are imported and exported, and according to the position coordinates of road in described display interface of described deflection angle and these import and export, the road model imported and exported by described benchmark copies in these import and export;
Display unit, for showing described intersection according to the road model of import and export each in described intersection.
Preferably, described determining unit also for:
Determine the current direction mark in the road of each import and export in N number of import and export of described intersection corresponding to every bar track and the position coordinates of crossing in described display interface;
Import and export in described intersection, according to the current position coordinates of direction mark, the position coordinates of crossing of this import and export correspondence, in these import and export, import current direction identification model, crossing model.
Preferably, described determining unit specifically for:
Import and export in described intersection, obtain the state of the traffic lights of these import and export, and determine the current color of direction identification model, the color of crossing model in these import and export according to the state of described traffic lights.
Preferably, described copied cells specifically for:
The first reference point is determined in the position coordinates of the road on described benchmark is imported and exported, determine the second reference point in the position coordinates of the road in these import and export, the relative position in the relative position in the road of wherein said first reference point on described benchmark is imported and exported and the described second reference point road in these import and export is identical;
Copy the road model that described benchmark is imported and exported, and the road model after shift copy makes corresponding point in the road model of described first reference point on described benchmark is imported and exported be positioned on described second reference point;
According to the deflection angle that these import and export and described benchmark are imported and exported, with described second reference point for the center of circle, rotate the road model after described copying, the road model after copying described in postrotational is arranged in the position coordinates of road in these import and export.
Preferably, described intersection is imported and exported combination in any by eight and is formed, and described eight import and export in two of arbitrary neighborhood import and export between deflection angle be 45 °.
The intersection display packing provided according to the embodiment of the present invention and device, by first determining the road model of each import and export of intersection, the intersection then formed by the road model of each import and export is as the interface of this intersection.The program is not directly generate intersection, and is the road model of multiple import and export by intersection interface decomposition, thus realizes the intersection interface generating arbitrary shape.
Accompanying drawing explanation
A kind of intersection display packing schematic flow sheet that Fig. 1 provides for the embodiment of the present invention;
A kind of road model schematic diagram that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 to pass through direction identification model schematic diagram for one that the embodiment of the present invention provides;
A kind of crossing model schematic that Fig. 4 provides for the embodiment of the present invention;
A kind of intersection interface that Fig. 5 to Fig. 8 provides for the embodiment of the present invention forms schematic diagram;
A kind of intersection display device structure figure that Fig. 9 provides for the embodiment of the present invention.
Embodiment
As shown in Figure 1, a kind of intersection display packing that the embodiment of the present invention provides, the method comprises:
Step 101: the road direction information, the road geographic coordinate information that obtain each import and export of intersection;
Step 102: the position coordinates of road in display interface determining each import and export of described intersection according to the road geographic coordinate information of each import and export of described intersection;
Step 103: determine that in N number of import and export of described intersection one is imported and exported as benchmark is imported and exported, and on described benchmark is imported and exported, import road model according to the position coordinates of road in described display interface that described benchmark is imported and exported, wherein, N is positive integer;
Step 104: import and export in described intersection, the deflection angle that these import and export and described benchmark are imported and exported is determined according to the road direction information that road direction information and the described benchmark of these import and export are imported and exported, and according to the position coordinates of road in described display interface of described deflection angle and these import and export, the road model imported and exported by described benchmark copies in these import and export;
Step 105: the road model according to import and export each in described intersection shows described intersection.
In step 101, each intersection is not be stored in teleseme by the form of picture, but by all properties of intersection is digitized as various static parameter, so just can save storage space.The static parameter of intersection generally comprises the road direction information of each import and export, the road geographic coordinate information of each import and export, the current direction mark in the road of each import and export corresponding to every bar track and the road geographic coordinate information etc. of crossing.
The road direction information of each import and export of intersection can indicate the direction of each import and export, such as, and 10 °, north by east etc.The road geographic coordinate information of each import and export of intersection can determine the particular location of road.
Preferably, intersection is imported and exported combination in any by eight and is formed, and described eight import and export in two of arbitrary neighborhood import and export between deflection angle be 45 °.
In step 102, because all properties of each intersection is stored in teleseme by various static parameter, thus when showing intersection, needs will form intersection interface according to these static parameters.The road geographic coordinate information obtaining each import and export just can determine the relative position of each import and export, then according to the position coordinates of road in display interface of each import and export of relative position determination intersection of each import and export.Concrete, first can determine first anchor point in the road geographic coordinate information of intersection, in display interface, determine second anchor point simultaneously, first anchor point is presented at the second anchor point, now according to the road geographic coordinate information of import and export each in this intersection and the relative position of the first anchor point, determine the position of the road of each import and export in this intersection relative second anchor point in display interface, thus determine the position coordinates of road in display interface of each import and export of intersection.Such as, according to the road geographic coordinate information of intersection, determine the central point of intersection, using the central point of intersection as the first anchor point, using the central point of display interface as the second anchor point, now can according to the position coordinates of road in display interface of the first anchor point and each import and export of the second anchor point determination intersection.
In order to show intersection accurately, also need track attribute and the crossing attribute of the road determining each import and export in intersection, track attribute can for the track quantity that this road comprises, comprise multiple current direction mark in each track, such as, turn left, keep straight on, turn right, Zuo Zhi, turn around, left and right, left straight right, the straight right side, the directly current direction such as to turn around identify; Crossing attribute comprises outlet crossing, entrance crossing and crossing etc. of coming in and going out.Concrete, need the geographic coordinate information of geographic coordinate information and the crossing determining that current direction identifies respectively, and determine current direction mark and the position coordinates of crossing in display interface, according to the position coordinates of geographic coordinate information determination crossing in display interface of crossing according to the geographic coordinate information that current direction identifies.Because the method is the known technology of those skilled in the art, do not repeat them here.
Concrete, determine the current direction mark in the road of each import and export in N number of import and export of intersection corresponding to every bar track and the position coordinates of crossing in display interface; Import and export in intersection, according to the current position coordinates of direction mark, the position coordinates of crossing of this import and export correspondence, in these import and export, import current direction identification model, crossing model.
It should be noted that, before current direction mark in the road determining each import and export corresponding to every bar track and the position coordinates of crossing in display interface, also need the geographic coordinate information of geographic coordinate information and the crossing determining that current direction identifies respectively, and determine current direction mark and the position coordinates of crossing in display interface, according to the position coordinates of geographic coordinate information determination crossing in display interface of crossing according to the geographic coordinate information that current direction identifies.Because the method is the known technology of those skilled in the art, do not repeat them here.
After the current direction mark determined in the road of each import and export in intersection, road corresponding to every bar track and the position coordinates of crossing in display interface, need to carry out Interface debond according to these position coordinateses to intersection.In step 103, in N number of import and export of intersection, first determine that benchmark is imported and exported, and the position coordinates that the road imported and exported according to this benchmark is corresponding, import road model, this road model can be the picture of a road, is used for showing road.Such as, as shown in Figure 2, a kind of road model schematic diagram of providing of the embodiment of the present invention.Same, current direction identification model can be a pictures, be used for showing current direction, specifically as shown in Figure 3, the one that the embodiment of the present invention provides is passed through direction identification model schematic diagram, comprising left-hand bend, craspedodrome, turn right, the current direction identification model of other types can be set up according to actual needs; Crossing model can be a pictures, is used for showing crossing, as shown in Figure 4 concrete, a kind of crossing model schematic that the embodiment of the present invention provides.It should be noted that, the picture shown in Fig. 2 to Fig. 4, can have other forms, the embodiment of the present invention does not limit this.
The deflection angle of road in any two import and export in intersection can be determined by the road direction information of each import and export of intersection, such as, there are four import and export in intersection, first the road direction information imported and exported is 10 °, north by east, second the road direction information imported and exported is east, first the road direction information imported and exported is west, first the road direction information imported and exported is south, thus can determine that importing and exporting with second deflection angle imported and exported for first is 80 °, same can determine other any two deflection angles imported and exported.Now, after the benchmark determining intersection is imported and exported, the road model imported in this benchmark can being imported and exported carries out copying and rotating, thus obtains the road model of each import and export.
Concrete, at step 104, the first reference point is determined in the position coordinates of the road on benchmark is imported and exported, determine the second reference point in the position coordinates of the road in these import and export, the relative position in the relative position in the road of wherein said first reference point on described benchmark is imported and exported and the described second reference point road in these import and export is identical; Copy the road model that described benchmark is imported and exported, and the road model after shift copy makes corresponding point in the road model of described first reference point on described benchmark is imported and exported be positioned on described second reference point; According to the deflection angle that these import and export and described benchmark are imported and exported, with described second reference point for the center of circle, rotate the road model after described copying, the road model after copying described in postrotational is arranged in the position coordinates of road in these import and export.
Such as, as shown in Fig. 5 to Fig. 8, a kind of intersection interface provided for the embodiment of the present invention forms schematic diagram, intersection in Fig. 5 is made up of eight import and export, and described eight import and export in two of arbitrary neighborhood import and export between deflection angle be 45 °, determine in Figure 5 each import and export road, after current direction mark in road corresponding to every bar track and the position coordinates of crossing in display interface, determine that northing outlet is for benchmark import and export, point C in being imported and exported by benchmark in Fig. 5 is defined as the first reference point, point C1 in the import and export of northeast is defined as the second reference point.Then in figure 6, benchmark import and export on road position coordinates in import road model.In the figure 7, a C1 is moved to after the road model of northing outlet is copied, then in fig. 8, the road model turned clockwise centered by C1 after copying 45 °, meanwhile, can also according to the current direction mark on road in each import and export and the position coordinates of crossing in display interface, the direction that will pass through mark and crossing model import in road, the same manner can import other road models imported and exported, and does not repeat them here.
Finally, in step 105, this intersection is shown in display interface.Preferably, in order to clearly show the pedestrian's release status in wagon flow release status in road, every bar track and crossing, import and export in intersection, obtain the state of the traffic lights of these import and export, and determine the current color of direction identification model, the color of crossing model in these import and export according to the state of described traffic lights.Such as, the color of current direction identification model has redness, green, yellow three kinds of colors, and the color of crossing model has red and green two kinds of colors, and green expression wagon flow or pedestrian are in current state, the red state that represents that no through traffic, yellowly represents wagon flow empty.Now, the current state of the intersection in each moment clearly can be determined in display interface.
For said method flow process, the embodiment of the present invention also provides a kind of intersection display device, and the particular content of this device can be implemented with reference to said method, does not repeat them here.
As shown in Figure 9, the embodiment of the present invention provides a kind of intersection display device, comprising:
Acquiring unit 601, for obtaining road direction information, the road geographic coordinate information of each import and export of intersection;
Determining unit 602, for determining the position coordinates of road in display interface of each import and export of described intersection according to the road geographic coordinate information of each import and export of described intersection;
Benchmark imports and exports determining unit 603, for determining that in N number of import and export of described intersection one is imported and exported as benchmark is imported and exported, and on described benchmark is imported and exported, import road model according to the position coordinates of road in described display interface that described benchmark is imported and exported, wherein N is positive integer;
Copied cells 604, for importing and exporting in described intersection, the deflection angle that these import and export and described benchmark are imported and exported is determined according to the road direction information that road direction information and the described benchmark of these import and export are imported and exported, and according to the position coordinates of road in described display interface of described deflection angle and these import and export, the road model imported and exported by described benchmark copies in these import and export;
Display unit 605, for showing described intersection according to the road model of import and export each in described intersection.
Preferably, described determining unit 602 also for:
Determine the current direction mark in the road of each import and export in N number of import and export of described intersection corresponding to every bar track and the position coordinates of crossing in described display interface;
Import and export in described intersection, according to the current position coordinates of direction mark, the position coordinates of crossing of this import and export correspondence, in these import and export, import current direction identification model, crossing model.
Preferably, described determining unit 602 specifically for:
Import and export in described intersection, obtain the state of the traffic lights of these import and export, and determine the current color of direction identification model, the color of crossing model in these import and export according to the state of described traffic lights.
Preferably, described copied cells 604 specifically for:
The first reference point is determined in the position coordinates of the road on described benchmark is imported and exported, determine the second reference point in the position coordinates of the road in these import and export, the relative position in the relative position in the road of wherein said first reference point on described benchmark is imported and exported and the described second reference point road in these import and export is identical;
Copy the road model that described benchmark is imported and exported, and the road model after shift copy makes corresponding point in the road model of described first reference point on described benchmark is imported and exported be positioned on described second reference point;
According to the deflection angle that these import and export and described benchmark are imported and exported, with described second reference point for the center of circle, rotate the road model after described copying, the road model after copying described in postrotational is arranged in the position coordinates of road in these import and export.
Preferably, described intersection is imported and exported combination in any by eight and is formed, and described eight import and export in two of arbitrary neighborhood import and export between deflection angle be 45 °.
In sum, the intersection display packing provided according to the embodiment of the present invention and device, by first determining the road model of each import and export of intersection, the intersection then formed by the road model of each import and export is as the interface of this intersection.The program is not directly generate intersection, and is the road model of multiple import and export by intersection interface decomposition, thus realizes the intersection interface generating arbitrary shape.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an intersection display packing, is characterized in that, the method comprises:
Obtain road direction information, the road geographic coordinate information of each import and export of intersection;
The position coordinates of road in display interface of each import and export of described intersection is determined according to the road geographic coordinate information of each import and export of described intersection;
In N number of import and export of described intersection, determine that one is imported and exported as benchmark is imported and exported, and on described benchmark is imported and exported, import road model according to the position coordinates of road in described display interface that described benchmark is imported and exported, wherein N is positive integer;
Import and export in described intersection, the deflection angle that these import and export and described benchmark are imported and exported is determined according to the road direction information that road direction information and the described benchmark of these import and export are imported and exported, and according to the position coordinates of road in described display interface of described deflection angle and these import and export, the road model imported and exported by described benchmark copies in these import and export;
Road model according to import and export each in described intersection shows described intersection.
2. method according to claim 1, is characterized in that, also comprises:
Determine the current direction mark in the road of each import and export in N number of import and export of described intersection corresponding to every bar track and the position coordinates of crossing in described display interface;
Import and export in described intersection, according to the current position coordinates of direction mark, the position coordinates of crossing of this import and export correspondence, in these import and export, import current direction identification model, crossing model.
3. method according to claim 2, is characterized in that, the described road model according to import and export each in described intersection shows described intersection, comprising:
Import and export in described intersection, obtain the state of the traffic lights of these import and export, and determine the current color of direction identification model, the color of crossing model in these import and export according to the state of described traffic lights.
4. method according to claim 1, is characterized in that, the described position coordinates according to road on described deflection angle and this import and export, and the road model imported and exported by described benchmark copies in these import and export, comprising:
The first reference point is determined in the position coordinates of the road on described benchmark is imported and exported, determine the second reference point in the position coordinates of the road in these import and export, the relative position in the relative position in the road of wherein said first reference point on described benchmark is imported and exported and the described second reference point road in these import and export is identical;
Copy the road model that described benchmark is imported and exported, and the road model after shift copy makes corresponding point in the road model of described first reference point on described benchmark is imported and exported be positioned on described second reference point;
According to the deflection angle that these import and export and described benchmark are imported and exported, with described second reference point for the center of circle, rotate the road model after described copying, the road model after copying described in postrotational is arranged in the position coordinates of road in these import and export.
5. method according to claim 1, is characterized in that, described intersection is imported and exported combination in any by eight and formed, and described eight import and export in two of arbitrary neighborhood import and export between deflection angle be 45 °.
6. an intersection display device, is characterized in that, comprising:
Acquiring unit, for obtaining road direction information, the road geographic coordinate information of each import and export of intersection;
Determining unit, for determining the position coordinates of road in display interface of each import and export of described intersection according to the road geographic coordinate information of each import and export of described intersection;
Benchmark imports and exports determining unit, for determining that in N number of import and export of described intersection one is imported and exported as benchmark is imported and exported, and on described benchmark is imported and exported, import road model according to the position coordinates of road in described display interface that described benchmark is imported and exported, wherein N is positive integer;
Copied cells, for importing and exporting in described intersection, the deflection angle that these import and export and described benchmark are imported and exported is determined according to the road direction information that road direction information and the described benchmark of these import and export are imported and exported, and according to the position coordinates of road in described display interface of described deflection angle and these import and export, the road model imported and exported by described benchmark copies in these import and export;
Display unit, for showing described intersection according to the road model of import and export each in described intersection.
7. device according to claim 6, is characterized in that, described determining unit also for:
Determine the current direction mark in the road of each import and export in N number of import and export of described intersection corresponding to every bar track and the position coordinates of crossing in described display interface;
Import and export in described intersection, according to the current position coordinates of direction mark, the position coordinates of crossing of this import and export correspondence, in these import and export, import current direction identification model, crossing model.
8. device according to claim 7, is characterized in that, described determining unit specifically for:
Import and export in described intersection, obtain the state of the traffic lights of these import and export, and determine the current color of direction identification model, the color of crossing model in these import and export according to the state of described traffic lights.
9. device according to claim 6, is characterized in that, described copied cells specifically for:
The first reference point is determined in the position coordinates of the road on described benchmark is imported and exported, determine the second reference point in the position coordinates of the road in these import and export, the relative position in the relative position in the road of wherein said first reference point on described benchmark is imported and exported and the described second reference point road in these import and export is identical;
Copy the road model that described benchmark is imported and exported, and the road model after shift copy makes corresponding point in the road model of described first reference point on described benchmark is imported and exported be positioned on described second reference point;
According to the deflection angle that these import and export and described benchmark are imported and exported, with described second reference point for the center of circle, rotate the road model after described copying, the road model after copying described in postrotational is arranged in the position coordinates of road in these import and export.
10. device according to claim 6, is characterized in that, described intersection is imported and exported combination in any by eight and formed, and described eight import and export in two of arbitrary neighborhood import and export between deflection angle be 45 °.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110415314A (en) * | 2019-04-29 | 2019-11-05 | 当家移动绿色互联网技术集团有限公司 | Construct method, apparatus, storage medium and the electronic equipment of intersection road network |
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