CN109636876B - Intersection canalization and flow direction graph drawing method, system equipment and storage medium - Google Patents
Intersection canalization and flow direction graph drawing method, system equipment and storage medium Download PDFInfo
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- CN109636876B CN109636876B CN201811251576.XA CN201811251576A CN109636876B CN 109636876 B CN109636876 B CN 109636876B CN 201811251576 A CN201811251576 A CN 201811251576A CN 109636876 B CN109636876 B CN 109636876B
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- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/206—Drawing of charts or graphs
Abstract
The invention discloses a method, a system, equipment and a storage medium for drawing intersection canalization and flow direction diagrams, wherein the drawing method comprises the following steps: s100, setting import and export parameters of each intersection, wherein the import and export parameters comprise the direction and angle of an import and export; s200, automatically drawing to obtain an intersection default channelized drawing according to the import and export parameters of each intersection in the step S100, and carrying out channelized drawing on the selected intersection to obtain an intersection channelized drawing; s300, drawing a default flow direction graph, setting the flow direction of the selected intersection, and drawing to obtain a flow direction drawing graph. The method for drawing the intersection canalization and flow direction graph has the advantages of simple operation, easy modification, high efficiency and no need of learning other drawing software additionally.
Description
Technical Field
The invention relates to the technical field of traffic coordination control, in particular to a method, a system, equipment and a storage medium for drawing intersection canalization and flow direction diagrams.
Background
Along with the rapid development of cities, the population of the cities is rapidly expanded, the traffic pressure of urban roads is higher and higher, the traffic congestion, delay and environmental problems at intersections are more and more prominent, the new traffic canalization design method has obvious effects on guaranteeing the traffic order of the roads and improving the traffic safety and traffic efficiency, and the design concept is gradually accepted by governments at all levels.
The conventional mainstream method for drawing intersection canalization and flow direction graphs is to use AutoCAD or other similar drawing software to manually draw, and has the disadvantages of complex operation, time consumption and low efficiency; more importantly, many people are not aware of the use of AutoCAD or other drawing software and thus the prior art has yet to be improved and enhanced.
Disclosure of Invention
The invention aims to solve the problems of complex operation, low drawing efficiency and the like caused by manually drawing intersection canalization and flow direction diagrams in the prior art, and provides a method for drawing the intersection canalization and flow direction diagrams.
In order to achieve the above purpose, the technical means adopted is as follows:
a method for drawing intersection canalization and flow direction graph comprises the following steps:
s100, setting import and export parameters of each intersection, wherein the import and export parameters comprise the direction and angle of an import and export;
s200, automatically drawing to obtain an intersection default canalization drawing according to the entrance and exit parameters of each intersection in the step S100, and canalization drawing is carried out on the selected intersection to obtain an intersection canalization drawing;
and S300, drawing a default flow direction graph, setting the flow direction of the selected intersection, and drawing to obtain a flow direction drawing graph.
According to the scheme, the intersection canalization and flow direction graph is drawn by setting the inlet and outlet directions and angles of the intersection, and the intersection canalization and flow direction graph is not required to be drawn manually by using drawing software, so that the drawing process is simple to operate and high in efficiency, and meanwhile, the intersection canalization and flow direction graph is easy to modify.
Preferably, in the exit and entrance directions and angles in step S100, the exit and entrance directions are greater than 15 degrees, and the number of the exit and entrance directions is not more than 8.
Preferably, the method for automatically drawing to obtain the intersection default channelized drawing in step S200 includes:
s210, traversing the entrance and exit in the step S100, taking the center of the intersection as an original point, and rotating the background coordinate point of the current entrance and exit to the positive north direction; the calculation of coordinates is facilitated.
S211, calculating coordinate points including various motor vehicle lines, non-motor vehicle road lines, isolation zones and pedestrian crossings on the basis of the background coordinate points in the step S210;
s212, clockwise rotating the current inlet and outlet direction and angle by taking the north direction as a reference to the coordinate point in the step S211 to obtain an actual coordinate point of the coordinate point;
s213, drawing a corresponding marking line according to the actual coordinate point to obtain a default channelized drawing map of the intersection.
Preferably, in step S200, the canalization drawing is performed on the selected intersection, and the concrete steps of obtaining the intersection canalization drawing figure are as follows:
s220, sequentially selecting each inlet and outlet, and setting or modifying the number of inlet and outlet lanes and the width of the inlet and outlet of each inlet and outlet;
s221, setting or modifying the zebra crossing, the pedestrian crossing safety island, the left-turn waiting area, the number of the left-turn waiting areas, the right-turn canalization, the width of the central dividing line, the width of the pedestrian road and the separation form;
and S222, directly exporting the picture after the setting or modification is finished, and obtaining the intersection channelized drawing.
Preferably, the method for drawing the default flow direction graph in step S300 includes:
s310, traversing the entrances and exits in the step S100, taking the center of the intersection as an origin and taking the positive north direction as a reference direction, calculating the coordinates of each entrance and exit and each turning reference point, and rotating the coordinates to the corresponding direction;
s311, traversing the inlet and the outlet in the step S100, calculating an outlet direction point according to the current steering point, rotating the coordinates of the current steering point and the outlet direction point to the lower north direction to obtain two control points, calculating the two control points, rotating the coordinates of the steering point, the outlet direction point and the two control points back to the original direction, drawing a Bezier curve, and realizing the drawing of steering flow;
and S312, traversing all the inlets and outlets in the step S100, and respectively counting and drawing the total inlet flow and the total outlet flow in the current direction.
Preferably, the method for setting the flow direction at the selected intersection and drawing the obtained flow direction drawing map in step S300 includes:
s320, sequentially selecting each inlet and outlet, and setting or modifying the inlet and outlet name, the background color, the length, the interval and the font size of each inlet and outlet;
s321, respectively carrying out statistics and induction on the traffic flow of the inlet road in turning around, turning left, going straight and turning right;
and S322, after the setting or the modification is finished, directly exporting the picture to obtain the intersection channelized drawing.
Preferably, cancellation and clearing can be performed for the selected intersection.
An intersection canalization and flow direction graph drawing system, comprising:
the data acquisition module is used for acquiring the parameters of the entrance and the exit of the intersection, wherein the parameters comprise the direction and the angle of the entrance and the exit;
the data canalization module is used for automatically drawing to obtain an intersection default canalization drawing according to the import and export parameters of each intersection, and canalization drawing is carried out on the selected intersection to obtain an intersection canalization drawing;
and the data flow direction module is used for drawing a default flow direction graph according to the information in the data channelizing module and the data acquisition module, setting the flow direction of the selected intersection and drawing the default flow direction graph to obtain a flow direction drawing graph.
A computer device comprising a memory storing a computer program and a processor implementing the steps of the above-described method of the invention when the processor executes the computer program.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method of the invention.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
a method for drawing intersection canalization and flow direction maps is characterized in that an intersection default canalization drawing map is automatically drawn according to the setting by setting the direction and the angle of an inlet and an outlet of an intersection, and canalization drawing is carried out on a selected intersection to obtain an intersection canalization drawing map; and automatically drawing a default flow direction graph according to the setting of the intersection during canalization, setting the flow direction of the selected intersection direction, and drawing to obtain a flow direction drawing graph. The intersection canalization and flow direction graph drawing method has remarkable effects on guaranteeing the road traffic order and improving the road traffic safety and traffic efficiency, does not need to use other drawing software for manual drawing, is simple to operate, easy to modify and high in efficiency, and solves the problems of complex operation, time consumption, low efficiency and the like of manual drawing by using drawing software in the prior art.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a flowchart of step S200 of the method of the present invention.
Fig. 3 is a schematic diagram of cross-channeling according to an embodiment of the present invention.
Fig. 4 is a flowchart of step S300 of the method of the present invention.
FIG. 5 is a plot of steering flow in an embodiment of the present invention.
Fig. 6 is a schematic diagram of a flow chart according to an embodiment of the present invention.
FIG. 7 is a block diagram of the system of the present invention.
FIG. 8 is a block diagram of the computer apparatus of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, a method for drawing intersection canalization and flow direction graph includes the following steps:
s100, setting import and export parameters of each intersection, wherein the import and export parameters comprise the direction and angle of an import and export;
s200, automatically drawing to obtain an intersection default canalization drawing according to the entrance and exit parameters of each intersection in the step S100, and canalization drawing is carried out on the selected intersection to obtain an intersection canalization drawing;
s300, drawing a default flow direction graph, setting the flow direction of the selected intersection, and drawing to obtain a flow direction drawing graph.
In the exit and entrance directions and angles in step S100, the exit and entrance directions are greater than 15 degrees, and the number of the exit and entrance directions is not more than 8. In this embodiment, the entrance and exit are arranged in 24 directions, each direction is 15 degrees, and a circle formed by the directions and angles of all the entrance and exit is a recognizable area.
Only selecting any one of the 24 bisectors in the identifiable region is used as an effectively selected intersection, and the direction and the angle of the currently selected bisector are recorded; if any one of the equal division lines 24 in the recognizable area is not selected, the selected intersection is invalid, and the current direction and angle cannot be recorded.
As shown in fig. 2, the method for automatically drawing to obtain the intersection default channelized drawing in step S200 includes:
s210, traversing the inlet and outlet in the step S100, taking the center of the intersection as an origin, and rotating the background coordinate point of the current inlet and outlet to the positive north direction;
s211, calculating coordinate points including various motor vehicle lines, non-motor vehicle road lines, isolation belts and pedestrian crossings on the basis of the background coordinate points in the step S210;
s212, clockwise rotating the current inlet and outlet direction and angle by taking the north direction as a reference to the coordinate point in the step S211 to obtain an actual coordinate point of the coordinate point;
in step S200, the canalization drawing of the selected intersection is performed to obtain an intersection canalization drawing specifically:
s220, sequentially selecting each inlet and outlet, and setting or modifying the number of inlet and outlet lanes and the width of the inlet and outlet of each inlet and outlet;
s221, setting or modifying the zebra crossing, the pedestrian crossing safety island, the left-turn waiting area, the number of the left-turn waiting areas, the right-turn canalization, the width of the central dividing line, the width of the pedestrian road and the separation form;
this embodiment specifically performs the following settings, as shown in fig. 3:
1) Determining the number of lanes: the default lane number is 3, straight, left turn and right turn lanes, respectively, and has lane direction arrows; in this example, 0-7 entrance/exit lanes may be selected for mapping, and each lane entrance may modify the lane direction arrow.
2) Determining the lane direction: the lane direction refers to the direction of a lane when the lane goes out of a road junction, and can be divided into: straight running, left turning, right turning, left turning, straight running or right turning, left merging, right turning or turning, straight running or left turning, straight running or right turning, left turning or right turning, or straight running.
3) Lane marking and other marking are determined: the lane line type refers to the type of a line on the right side of a lane, and is divided into a real white line and an imaginary white line in the embodiment; the central dividing markings fall into the following categories: single yellow line, double yellow lines, guard bar, yellow oblique line, greening road.
4) Determining the width: the width of the lane is divided into lane width, central dividing line width and sidewalk width, the lane width refers to the distance between two lanes, in the implementation, the default lane width in each entrance and exit direction is 3.5 meters, and when the number of lanes is 0, no lane width exists; the center boundary width refers to the width of the center boundary of the entrance/exit lane.
5) Determining an option: the options are zebra crossing options, pedestrian crossing safety islands, left-turn waiting areas and non-motor vehicles. The zebra crossing is used for drawing the zebra crossing indication mark, so that pedestrians can conveniently pass through the zebra crossing; the pedestrian crossing safety island is a safety device installed on a zebra crossing, and the safety island is set for the purpose that people form a habit of crossing the street twice, so that the safety of pedestrians crossing the road is improved; the left-turning waiting area means that when a green light of a straight lane in the same direction is on, a vehicle on a left-turning lane must move forward to an area to be turned, and a turn can be carried out only after a signal light is changed; the non-motor lane is a lane marked from a right sidewalk tooth (line) to a first vehicle lane line (or isolation belt or pier) on a roadway on a highway or an urban road or on a sidewalk.
And S222, after the setting or the modification is finished, directly leading out the picture to obtain a road junction channelized drawing.
As shown in fig. 4 and 5, the method for drawing the default flow direction graph in step S300 includes:
s310, traversing the entrances and exits in the step S100, taking the center of the intersection as an origin and taking the positive north direction as a reference direction, calculating the coordinates of each entrance and exit and each turning reference point, and rotating the coordinates to the corresponding direction;
s311, traversing the inlet and the outlet in the step S100, calculating an outlet direction point B according to the current steering point A, rotating the coordinates of the current steering point A and the outlet direction point B to the lower north direction to obtain two control points C and D, calculating the two control points C and D, rotating the coordinates of the steering point A, the outlet direction point B and the two control points C and D back to the original direction, drawing a Bessel curve, and drawing the steering flow;
and S312, traversing all the inlets and outlets in the step S100, and respectively counting and drawing the total inlet flow and the total outlet flow in the current direction.
The method for setting the flow direction of the selected intersection and drawing the obtained flow direction drawing in the step S300 comprises the following steps:
s320, sequentially selecting each inlet and outlet, and setting or modifying the inlet and outlet name, the background color, the length, the interval and the font size of each inlet and outlet;
s321, respectively carrying out statistics and induction on the traffic flow of the inlet road in turning around, turning left, going straight and turning right;
the present embodiment makes the following settings as shown in fig. 6:
a. and determining the turning flow of the inlet channel in each direction, wherein the turning flow comprises turning flow, right turning flow, straight flow and left turning flow. And respectively entering the steering flow of the entrance lane in each direction, recording the passing traffic flow in each lane direction and the total traffic flow of the entrance and the exit in each direction, and then updating the picture in real time.
b. Adjusting the flow direction image: adjusting the background color of the exit and entrance directions to distinguish each lane direction of each direction; font size includes flow digital font and direction font; the line thickness proportion is the width proportion of forward and reverse lanes in each direction; length is the length of each lane to scale on the figure; the pitch is the distance of the forward and reverse lanes in each direction.
And S322, after the setting or the modification is finished, directly exporting the picture to obtain a road junction channelized drawing.
The present invention also provides a system applied to the method of the present invention, as shown in fig. 7, including:
the data acquisition module 1 is used for acquiring import and export parameters of the intersection, wherein the import and export parameters comprise the direction and the angle of an import and export;
the data channelizing module 2 is used for automatically drawing to obtain an intersection default channelized drawing according to the import and export parameters of each intersection, and carrying out channelized drawing on the selected intersection to obtain an intersection channelized drawing;
and the data flow direction module 3 is used for drawing a default flow direction graph according to the information in the data channelizing module 2 and the data acquisition module 1, setting the flow direction of the selected intersection, and drawing to obtain a flow direction drawing.
The invention also provides computer equipment, which can be mobile terminal, desktop computer, notebook, palm computer, server and other computer equipment. As shown in fig. 8, a processor 10, a memory 20 and a display 30 in a computer device. Fig. 8 shows only some of the components of the computer device, but it is to be understood that not all of the shown components are required to be implemented, and that more or fewer components may be implemented instead.
The storage 20 may in some embodiments be an internal storage unit of the computer device, such as a hard disk or a memory of the computer device. The memory 20 may also be an external storage device of the computer device in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like provided on the computer device. Further, the memory 20 may also include both an internal storage unit and an external storage device of the computer device. The memory 20 is used for storing application software installed on the computer device and various types of data, such as program codes of the installed computer device. The memory 20 may also be used to temporarily store data that has been output or is to be output. In an embodiment, the memory 20 stores an intersection canalization and flow direction drawing program 40, and the intersection canalization and flow direction drawing program 40 can be executed by the processor 10, so as to implement the video list switching method based on the education system according to the embodiments of the present application.
The processor 10 may be, in some embodiments, a Central Processing Unit (CPU), a microprocessor or other data Processing chip, and is configured to run program codes stored in the memory 20 or process data, such as executing the video list switching method based on the educational system.
The display 30 may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch panel, or the like in some embodiments. The display 30 is used for displaying information at the computer device and for displaying a visual user interface. The components 10-30 of the computer device communicate with each other via a system bus.
When the processor 10 executes the port channelizing and traffic flow map drawing program in the memory 20, the following steps are implemented:
s100, setting import and export parameters of each intersection, wherein the import and export parameters comprise the direction and the angle of an import and export;
s200, automatically drawing to obtain an intersection default channelized drawing according to the import and export parameters of each intersection in the step S100, and carrying out channelized drawing on the selected intersection to obtain an intersection channelized drawing;
and S300, drawing a default flow direction graph, setting the flow direction of the selected intersection, and drawing to obtain a flow direction drawing graph.
The specific method of each step is the same as the above embodiment.
The invention also provides a computer-readable storage medium on which a computer program is stored, which, when executed by a processor, implements the steps of the intersection canalization and flow direction graph drawing method.
The terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A method for drawing intersection canalization and flow direction graph is characterized by comprising the following steps:
s100, setting import and export parameters of each intersection, wherein the import and export parameters comprise the direction and angle of an import and export;
s200, automatically drawing to obtain an intersection default channelized drawing according to the import and export parameters of each intersection in the step S100, and carrying out channelized drawing on the selected intersection to obtain an intersection channelized drawing;
s300, drawing a default flow direction graph, setting the flow direction of the selected intersection, and drawing to obtain a flow direction drawing graph;
the method for automatically drawing to obtain the intersection default channelized drawing in the step S200 comprises the following steps:
s210, traversing the entrance and exit in the step S100, taking the center of the intersection as an original point, and rotating the background coordinate point of the current entrance and exit to the positive north direction;
s211, calculating coordinate points including various motor vehicle lines, non-motor vehicle road lines, isolation zones and pedestrian crossings on the basis of the background coordinate points in the step S210;
s212, clockwise rotating the direction and the angle of the current inlet and outlet by taking the north direction as a reference to the coordinate point in the step S211 to obtain an actual coordinate point of the coordinate point;
s213, drawing a corresponding marking line according to the actual coordinate point to obtain a default channelized drawing map of the intersection;
the method for drawing the default flow direction graph in the step S300 includes:
s310, traversing the entrances and exits in the step S100, taking the center of the intersection as an origin and taking the positive north direction as a reference direction, calculating the coordinates of each entrance and exit and each turning reference point, and rotating the coordinates to the corresponding direction;
s311, traversing the inlet and the outlet in the step S100, calculating an outlet direction point according to the current steering point, rotating the coordinates of the current steering point and the outlet direction point to the lower north direction to obtain two control points, calculating the two control points, rotating the coordinates of the steering point, the outlet direction point and the two control points back to the original direction, drawing a Bezier curve, and realizing the drawing of steering flow;
s312, traversing all the inlets and outlets in the step S100, and respectively counting and drawing the total inlet flow and the total outlet flow in the current direction;
the method for setting the flow direction of the selected intersection and drawing the obtained flow direction drawing in the step S300 comprises the following steps:
s320, sequentially selecting each inlet and outlet, and setting or modifying the inlet and outlet name, background color, length, interval and font size of each inlet and outlet;
s321, respectively carrying out statistics and induction on the traffic flow of turning round, turning left, going straight and turning right of an entrance way;
and S322, after the setting or the modification is finished, directly exporting the picture to obtain the intersection channelized drawing.
2. The method for drawing intersection canalization and flow direction map according to claim 1, wherein the direction of the entrance and exit and the angle in step S100 are greater than 15 degrees, and the number of the directions of the entrance and exit is not more than 8.
3. The intersection canalization and flow direction graph drawing method according to claim 1, wherein in step S200 the selected intersection is canalized and drawn, and the intersection canalization drawing graph obtained specifically is:
s220, sequentially selecting each inlet and outlet, and setting or modifying the number of inlet and outlet lanes and the width of the inlet and outlet of each inlet and outlet;
s221, setting or modifying the zebra crossing, the pedestrian crossing safety island, the left-turn waiting area, the number of the left-turn waiting areas, the right-turn canalization, the width of the central dividing line, the width of the pedestrian road and the separation form;
and S222, directly exporting the picture after the setting or modification is finished, and obtaining the intersection channelized drawing.
4. The intersection canalization and flow direction graph drawing method according to any one of claims 1 to 3, wherein cancellation and emptying can be performed for the selected intersection.
5. An intersection canalization and flow direction graph drawing system is characterized by comprising:
the data acquisition module is used for acquiring import and export parameters of the intersection, wherein the import and export parameters comprise the direction and the angle of an import and export;
the data channelizing module is used for automatically drawing to obtain an intersection default channelized drawing according to the import and export parameters of each intersection, and carrying out channelized drawing on the selected intersection to obtain an intersection channelized drawing;
the data flow direction module is used for drawing a default flow direction graph according to the information in the data channelizing module and the data acquisition module, setting the flow direction of the selected intersection and drawing to obtain a flow direction drawing graph;
the method for automatically drawing the intersection default channelized drawing comprises the following steps:
s210, traversing the inlet and outlet in the step S100, taking the center of the intersection as an origin, and rotating the background coordinate point of the current inlet and outlet to the positive north direction;
s211, calculating coordinate points including various motor vehicle lines, non-motor vehicle road lines, isolation belts and pedestrian crossings on the basis of the background coordinate points in the step S210;
s212, clockwise rotating the direction and the angle of the current inlet and outlet by taking the north direction as a reference to the coordinate point in the step S211 to obtain an actual coordinate point of the coordinate point;
s213, drawing a corresponding marking line according to the actual coordinate point to obtain a default channelized drawing map of the intersection;
the method for drawing the default flow direction graph comprises the following steps:
s310, traversing the entrances and exits in the step S100, taking the center of the intersection as an origin and taking the positive north direction as a reference direction, calculating the coordinates of each entrance and exit and each turning reference point, and rotating the coordinates to the corresponding direction;
s311, traversing the inlet and the outlet in the step S100, calculating an outlet direction point according to the current steering point, rotating the coordinates of the current steering point and the outlet direction point to the lower north direction to obtain two control points, calculating the two control points, rotating the coordinates of the steering point, the outlet direction point and the two control points back to the original direction, drawing a Bessel curve, and realizing the drawing of steering flow;
s312, traversing all the inlets and outlets in the step S100, and respectively counting and drawing the total inlet flow and the total outlet flow in the current direction;
the method for setting the flow direction of the selected intersection and drawing the obtained flow direction drawing comprises the following steps:
s320, sequentially selecting each inlet and outlet, and setting or modifying the inlet and outlet name, the background color, the length, the interval and the font size of each inlet and outlet;
s321, respectively carrying out statistics and induction on the traffic flow of turning round, turning left, going straight and turning right of an entrance way;
and S322, after the setting or the modification is finished, directly exporting the picture to obtain a road junction channelized drawing.
6. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method of any one of claims 1 to 4 when executing the computer program.
7. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 4.
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| 城市道路平面交叉口渠化方法分析;张水潮等;《交通科技与经济》;20090305(第02期);全文 * |
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| Publication number | Publication date |
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| CN109636876A (en) | 2019-04-16 |
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