CN111414443B - Blocked regional map plotting processing method and device, equipment and medium - Google Patents
Blocked regional map plotting processing method and device, equipment and medium Download PDFInfo
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Abstract
The application relates to a blocked regional map plotting processing method, a device, equipment and a medium, wherein the method comprises the following steps: selecting a blocked area drawing type according to the warning level, and marking and presenting different types by different colors; monitoring a drawing blocking area event, receiving a drawing instruction, and monitoring a mouse interaction event on a map; entering a drawing state, and constructing an initial layer of a pincushion arrow map: the system comprises a line drawing layer and a surface drawing layer, wherein the initial value of coordinate point set data is a null array; collecting boundary points of the sealing area on the map according to actual requirements; and the corresponding line diagram layer and the surface diagram layer data source are updated after the collection is completed so as to complete drawing. The invention provides a map plotting method for demarcating a blocked area and supporting real-time adjustment, which can rapidly and effectively plot the map of the blocked area, has simple operation and convenient use, and can conveniently realize real-time adjustment on the blocked area.
Description
Technical Field
The present disclosure relates to the field of map plotting processing technologies, and in particular, to a method and an apparatus for blocking regional map plotting processing, a computer device, and a readable storage medium.
Background
After a natural disaster, an accident disaster or a public health emergency, related departments generally take corresponding emergency treatment measures, such as rapidly controlling a dangerous source, marking a dangerous area, blocking a dangerous place, defining a warning area, and the like, and implement a series of control measures. In the field of emergency treatment command and dispatch, after an emergency occurs, the hazard range of the event is rapidly determined and an alert area is defined through predictive analysis of the influence range of the event, so that powerful support can be provided for accident rescue.
The guard zone is a relatively variable region. According to the development change of the situation, the size and the position of the warning area need to be correspondingly adjusted: when the situation is enlarged, the scope of the warning area needs to be enlarged; when the situation is reduced or the accident hazard is eliminated, the warning area is reduced or eliminated; if a secondary disaster occurs, the type and the hazard degree of the secondary disaster need to be considered, and the warning area is newly set. Therefore, how to present the blocking area defined during event handling in an intuitive manner in the emergency command and dispatch system, and to be able to adjust in real time with the development of the situation is important. However, in the prior art, the map plotting and real-time adjustment operation for the blocked area is complex, time and labor are wasted, and the use of users is sometimes inconvenient.
Accordingly, the prior art is in need of improvement.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a method and a device for constructing three-dimensional scene animation blocked area map plotting process switching based on a particle system in a GIS system, computer equipment and a readable storage medium, and provides a map plotting method for blocking area demarcation and supporting real-time adjustment.
The technical scheme of the invention is as follows:
a blocked regional map plot processing method, wherein the method comprises:
selecting a blocked area drawing type according to the warning level, and marking and presenting different types by different colors;
monitoring a drawing blocking area event, receiving a drawing instruction, and monitoring a mouse interaction event on a map;
entering a drawing state, and constructing an initial layer of a pincushion arrow map: the system comprises a line drawing layer and a surface drawing layer, wherein the initial value of coordinate point set data is a null array;
collecting boundary points of the sealing area on the map according to actual requirements; and the corresponding line diagram layer and the surface diagram layer data source are updated after the collection is completed so as to complete drawing.
The map plotting processing method for the blocked area comprises the steps of collecting boundary points of the blocked area on a map according to actual requirements; the step of collecting and updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing comprises the following steps:
collecting boundary points of the sealing area on the map according to actual requirements; clicking the map by the left button of the mouse to confirm the acquisition point and caching the longitude and latitude coordinates of the acquisition point; and (5) the mouse double-click map finishes the acquisition point, and the corresponding line drawing layer and the surface drawing layer data source are updated to finish drawing.
The map plotting processing method for the blocked area comprises the steps of collecting boundary points of the blocked area on a map according to actual requirements; after the step of updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing is completed, the method further comprises the following steps:
judging whether the whole blocking area needs to be adjusted or not;
when the integral blocking area needs to be adjusted, the drawn blocking area filling surface is selected through clicking the left button of the mouse, dragging is carried out according to actual requirements, and the position of the integral area is adjusted to a designated position;
updating all point position coordinate data in the corresponding line drawing layer and surface drawing layer data sources;
and automatically re-rendering the map in real time when updating the layer data, and finishing the region adjustment.
The map plotting processing method for the blocked area comprises the steps of collecting boundary points of the blocked area on a map according to actual requirements; after the step of updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing is completed, the method further comprises the following steps:
judging whether the whole blocking area needs to be adjusted or not;
when the integral blocking area does not need to be adjusted, dragging and moving to a designated position through a certain boundary point of the double-click area of the mouse;
updating corresponding point position coordinate data in the corresponding line drawing layer and the surface drawing layer data source;
and automatically re-rendering the map in real time when updating the layer data, and finishing the region adjustment.
The map plotting processing method for the blocked area, wherein when the whole blocked area does not need to be adjusted, the step of dragging and moving to the appointed position through a certain boundary point of the double-click area of the mouse further comprises the following steps:
when the whole blocking area does not need to be adjusted, only one boundary point can be adjusted at a time by double clicking a certain boundary point of the area through the mouse, and the dragging is moved to a designated position.
A blocked regional map plot processing apparatus, wherein the apparatus comprises:
the selection module is used for selecting the drawing type of the blocked area according to the warning level, and different types are marked and presented by different colors;
the monitoring module is used for monitoring events of the drawing blocking area, receiving drawing instructions and monitoring mouse interaction events on the map;
the drawing module is used for entering a drawing state and constructing an initial layer of the pincushion arrow map; the system comprises a line drawing layer and a surface drawing layer, wherein the initial value of coordinate point set data is a null array;
the collecting and updating module is used for collecting boundary points of the sealing area on the map according to actual requirements; and the corresponding line diagram layer and the surface diagram layer data source are updated after the collection is completed so as to complete drawing.
The blocked area map plotting processing device further comprises:
the judging module is used for judging whether the whole blocking area needs to be adjusted or not;
the adjustment processing module is used for selecting the drawn filling surface of the blocking area through clicking the left button of the mouse when the whole blocking area needs to be adjusted, and dragging the filling surface of the blocking area according to actual requirements, so that the position of the whole area is adjusted to a designated position; updating all point position coordinate data in the corresponding line drawing layer and surface drawing layer data sources; and automatically re-rendering the map in real time when updating the layer data, and finishing the region adjustment.
The blocked area map plotting processing device further comprises:
the non-adjustment processing module is used for dragging and moving to a designated position through a certain boundary point of the double-click area of the mouse when the integral blocking area does not need to be adjusted; updating corresponding point position coordinate data in the corresponding line drawing layer and the surface drawing layer data source; and automatically re-rendering the map in real time when updating the layer data, and finishing the region adjustment.
A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor when executing the computer program implements the steps of any of the blocked area map plot processing methods.
A computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the steps of the blocked area map plot processing method of any of the claims.
Compared with the prior art, the embodiment of the invention has the following advantages:
provided are a blocked area map plot processing method and device, a computer device, and a readable storage medium, wherein the method comprises the following steps: selecting a blocked area drawing type according to the warning level, and marking and presenting different types by different colors; monitoring a drawing blocking area event, receiving a drawing instruction, and monitoring a mouse interaction event on a map; entering a drawing state, and constructing an initial layer of a pincushion arrow map: the system comprises a line drawing layer and a surface drawing layer, wherein the initial value of coordinate point set data is a null array; collecting boundary points of the sealing area on the map according to actual requirements; and the corresponding line diagram layer and the surface diagram layer data source are updated after the collection is completed so as to complete drawing. The invention provides a map plotting method for demarcating a blocked area and supporting real-time adjustment, which can rapidly and effectively plot the map of the blocked area, has simple operation and convenient use, and can conveniently realize real-time adjustment on the blocked area.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings without any constructive effort for a person skilled in the art.
Fig. 1 is a flow chart of a blocked area map plotting method according to an embodiment of the present invention.
Fig. 2 shows a flow chart of a blocked area map plot processing method of embodiment 2 of the present invention.
Fig. 3 shows a map plot diagram of a blocked area demarcation of a blocked area map plot processing method of embodiment 2 of the present invention.
Fig. 4 is a functional block diagram of a map plot processing device for blocked areas in an embodiment of the invention.
Fig. 5 is an internal structural diagram of a computer device in an embodiment of the present invention.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the invention, are within the scope of the invention based on the embodiments of the invention.
The inventors have found that the guard zone is a relatively variable zone in the prior art. According to the development change of the situation, the size and the position of the warning area need to be correspondingly adjusted: when the situation is enlarged, the scope of the warning area needs to be enlarged; when the situation is reduced or the accident hazard is eliminated, the warning area is reduced or eliminated; if a secondary disaster occurs, the type and the hazard degree of the secondary disaster need to be considered, and the warning area is newly set. Therefore, how to present the blocking area defined during event handling in an intuitive manner in the emergency command and dispatch system, and to be able to adjust in real time with the development of the situation is important. However, in the prior art, the map plotting and real-time adjustment operation for the blocked area are complex, time and labor are wasted, and the use of the map plotting and real-time adjustment operation is sometimes inconvenient for users.
The invention provides a map plotting method for demarcating a blocked area and supporting real-time adjustment, which can rapidly and effectively plot the map of the blocked area, has simple operation and convenient use, and can conveniently realize real-time adjustment on the blocked area. Various non-limiting embodiments of the present invention are described in detail below with reference to the attached drawing figures.
The embodiment of the invention provides a blocked area map plotting processing method, as shown in fig. 1, which comprises the following steps:
and step S100, selecting a blocked area drawing type according to the warning level, and marking and presenting different types by different colors.
In the invention, three lock lines are usually arranged for most accidents, such as fire accidents, toxic substance leakage accidents and the like, and the field lock lines, the warning lock lines and the traffic lock lines are respectively arranged from inside to outside. Based on the large application scenes and based on the electronic map, the warning area is classified, for example, the first level, the second level and the third level, the drawing type of the blocking area is selected according to the warning level, and different types are marked and presented by different colors.
And step 200, monitoring a drawing blocking area event, and starting to monitor a mouse interaction event on the map when a drawing instruction is received.
The invention monitors the event of the drawing blocking area when being implemented, and starts to monitor the mouse interaction event on the map when receiving the drawing instruction.
Step S300, entering a drawing state, and constructing an initial layer of the pincushion arrow map; the initial value of the coordinate point set data is a null array.
Step S400, collecting boundary points of the sealing area on the map according to actual requirements; clicking the map by the left button of the mouse to confirm the sampling point and caching the longitude and latitude coordinates of the sampling point; and (5) double clicking the map finishing acquisition point by a mouse, and updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing.
The invention is further illustrated by the following specific examples of application:
referring to fig. 2, fig. 2 shows a flow chart of a blocked area map plotting method according to embodiment 2 of the present invention, and as shown in fig. 2, the blocked area map plotting method according to the embodiment of the present invention includes the following steps:
s1, selecting a blocked area drawing type according to a warning level, and marking and presenting different types by different colors;
for most accidents, such as fire accidents, toxic substance leakage accidents and the like, three lock lines are usually arranged, and the field lock lines, the warning lock lines and the traffic lock lines are respectively arranged from inside to outside. Based on the large application scenes and based on an electronic map, the invention is classified into guard areas when being implemented, the danger degree of each position in the guard areas is different, and the closer to the scene, the higher the danger degree is, and the higher the guard level is. Such as: the warning area is generally divided into three levels, and corresponding to three lock lines, red, orange and yellow can be used for distinguishing and presenting, and the dangerous degrees of different lock areas can be intuitively displayed on the map.
S2, monitoring a drawing blocking area event, and starting to monitor a mouse interaction event on a map when a drawing instruction is received, wherein the events comprise left click of a mouse, dragging movement of the mouse and double click of the mouse;
in the step, a drawing blocking area event is monitored, and when a drawing instruction is received, monitoring of a mouse interaction event on a map is started, wherein the events comprise left click of a mouse, dragging and moving of the mouse and double click of the mouse: by monitoring the series of events, dynamic interaction with the map can be performed to assist in completing the drawing of the blocked area.
Step S3, entering a drawing state, and constructing an initial layer of the pincushion arrow map: a line drawing layer and a surface drawing layer, wherein the initial value of the coordinate point set data is a null array;
in the step, a pincer-click arrow map initial layer is constructed: a line pattern layer and a face pattern layer: the two layers are data sources for presenting the final map effect, and the effect of quickly constructing and adjusting the blocking area can be achieved by updating the data sources directly.
Step S4, collecting boundary points of the blocked area on the map according to actual requirements: clicking the map by the left button of the mouse to confirm the sampling point and caching the longitude and latitude coordinates of the sampling point; double clicking the map finishing acquisition point by a mouse, and updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing;
in the step: the various processes of drawing are explicitly defined and triggered by different mouse events: and clicking the point to finish the drawing by clicking the point to finish the drawing. And collecting and drawing a boundary point set of the blocked area on the map according to the actual requirement of the emergency, so that the effect shown in figure 3 is rapidly presented on the map.
S5, judging whether the whole blocking area needs to be adjusted or not; if yes, executing step S6; if not, executing step S7;
step S6, adjusting the whole blocking area in real time according to the requirement: clicking the left button of the mouse to select the drawn filling surface of the blocked area, dragging according to actual requirements, and adjusting the position of the whole area to a designated position; updating all point position coordinate data in the corresponding line drawing layer and surface drawing layer data sources;
step S7, partially adjusting the blocking area according to the real-time requirement: a certain boundary point (only one can be adjusted at a time) of the double-click area of the mouse is dragged and moved to a designated position; updating corresponding point position coordinate data in the corresponding line drawing layer and the surface drawing layer data source;
and S8, automatically re-rendering the map in real time when updating the layer data, and completing the region adjustment.
From the above, the invention provides a map plotting method for blocking area demarcation and supporting real-time adjustment, which can rapidly and effectively plot the map of the blocking area, has simple operation and convenient use, and can conveniently realize real-time adjustment on the blocking area.
In one embodiment, the present invention provides a blocked regional map plot processing apparatus, as shown in fig. 4, comprising:
a selection module 41, configured to select a blocked area drawing type according to the alert level, where different types are marked and presented with different colors;
the monitoring module 42 is configured to monitor a drawing lockout area event, receive a drawing instruction, and monitor a mouse interaction event on a map;
the drawing module 43 is used for entering a drawing state and constructing an initial layer of the pincushion arrow map; the system comprises a line drawing layer and a surface drawing layer, wherein the initial value of coordinate point set data is a null array;
the collection updating module 44 is configured to collect boundary points of the seal area on the map according to actual requirements; the corresponding line and face layer data sources are updated to complete the drawing, as described above.
The blocked area map plotting processing device further comprises:
a judging module 45, configured to judge whether the entire blocking area needs to be adjusted;
the adjustment processing module 46 is configured to, when the overall blocking area needs to be adjusted, click the drawn blocking area filling surface through a left button of the mouse, drag the blocking area filling surface according to actual requirements, and adjust the position of the overall area to a specified position; updating all point position coordinate data in the corresponding line drawing layer and surface drawing layer data sources; and automatically re-rendering the map in real time when updating the layer data, and finishing the region adjustment.
The non-adjustment processing module 47 is configured to drag and move to a specified position through a certain boundary point of the mouse double-click region when the whole blocking region does not need to be adjusted; updating corresponding point position coordinate data in the corresponding line drawing layer and the surface drawing layer data source; when the map layer data is updated, the map is automatically rendered again in real time, and the region adjustment can be completed; as described in detail above.
In one embodiment, the present invention provides a computer device, which may be a terminal, with an internal structure as shown in fig. 5. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program, when executed by a processor, implements a method of generating a natural language model. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the computer equipment, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the block diagram of fig. 5 is merely a partial structure related to the present application and does not constitute a limitation of the computer device to which the present application is applied, and that a specific computer device may include more or less components than those shown in the drawings, or may combine some components, or have a different arrangement of components.
The embodiment of the invention provides computer equipment, which comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the following steps when executing the computer program:
selecting a blocked area drawing type according to the warning level, and marking and presenting different types by different colors;
monitoring a drawing blocking area event, receiving a drawing instruction, and monitoring a mouse interaction event on a map;
entering a drawing state, and constructing an initial layer of a pincushion arrow map: the system comprises a line drawing layer and a surface drawing layer, wherein the initial value of coordinate point set data is a null array;
collecting boundary points of the sealing area on the map according to actual requirements; and the corresponding line diagram layer and the surface diagram layer data source are updated after the collection is completed so as to complete drawing.
The map plotting processing method for the blocked area comprises the steps of collecting boundary points of the blocked area on a map according to actual requirements; the step of collecting and updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing comprises the following steps:
collecting boundary points of the sealing area on the map according to actual requirements; clicking the map by the left button of the mouse to confirm the acquisition point and caching the longitude and latitude coordinates of the acquisition point; and (5) the mouse double-click map finishes the acquisition point, and the corresponding line drawing layer and the surface drawing layer data source are updated to finish drawing.
Collecting boundary points of the sealing area on the map according to actual requirements; after the step of updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing is completed, the method further comprises the following steps:
judging whether the whole blocking area needs to be adjusted or not;
when the integral blocking area needs to be adjusted, the drawn blocking area filling surface is selected through clicking the left button of the mouse, dragging is carried out according to actual requirements, and the position of the integral area is adjusted to a designated position;
updating all point position coordinate data in the corresponding line drawing layer and surface drawing layer data sources;
and automatically re-rendering the map in real time when updating the layer data, and finishing the region adjustment.
Collecting boundary points of the sealing area on the map according to actual requirements; after the step of updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing is completed, the method further comprises the following steps:
judging whether the whole blocking area needs to be adjusted or not;
when the integral blocking area does not need to be adjusted, dragging and moving to a designated position through a certain boundary point of the double-click area of the mouse;
updating corresponding point position coordinate data in the corresponding line drawing layer and the surface drawing layer data source;
and automatically re-rendering the map in real time when updating the layer data, and finishing the region adjustment.
When the whole blocking area does not need to be adjusted, dragging and moving to the designated position through a certain boundary point of the mouse double-click area further comprises:
when the integral blocking area does not need to be adjusted, only one boundary point can be adjusted each time by double clicking a certain boundary point of the area through a mouse, and the whole blocking area is dragged to move to a designated position; as described in detail above.
In summary, compared with the prior art, the embodiment of the invention has the following advantages:
the invention provides a blocked regional map plotting processing method and device, a computer device and a readable storage medium, wherein the method comprises the following steps: selecting a blocked area drawing type according to the warning level, and marking and presenting different types by different colors; monitoring a drawing blocking area event, receiving a drawing instruction, and monitoring a mouse interaction event on a map; entering a drawing state, and constructing an initial layer of a pincushion arrow map: the system comprises a line drawing layer and a surface drawing layer, wherein the initial value of coordinate point set data is a null array; collecting boundary points of the sealing area on the map according to actual requirements; and the corresponding line diagram layer and the surface diagram layer data source are updated after the collection is completed so as to complete drawing. The invention provides a map plotting method for demarcating a blocked area and supporting real-time adjustment, which can rapidly and effectively plot the map of the blocked area, has simple operation and convenient use, and can conveniently realize real-time adjustment on the blocked area.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (5)
1. A blocked regional map plot processing method, the method comprising:
selecting a blocked area drawing type according to the warning level, and marking and presenting different types by different colors;
monitoring a drawing blocking area event, receiving a drawing instruction, and monitoring a mouse interaction event on a map;
entering a drawing state, and constructing an initial layer of a pincushion arrow map: the system comprises a line drawing layer and a surface drawing layer, wherein the initial value of coordinate point set data is a null array; the two layers are data sources for presenting the final map effect, and the effect of quickly constructing and adjusting the blocking area can be achieved by updating the data sources directly in the follow-up process;
collecting boundary points of a blocked area on a map according to actual requirements; collecting and updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing;
collecting boundary points of a blocked area on the map according to actual requirements; the step of collecting and updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing comprises the following steps:
collecting boundary points of a blocked area on a map according to actual requirements; clicking the map by the left button of the mouse to confirm the acquisition point and caching the longitude and latitude coordinates of the acquisition point; the mouse double-click map finishes the acquisition point, and the corresponding line drawing layer and the surface drawing layer data source are updated to finish drawing;
collecting boundary points of a blocked area on the map according to actual requirements; after the step of updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing is completed, the method further comprises the following steps:
judging whether the whole blocking area needs to be adjusted or not;
when the integral blocking area needs to be adjusted, the drawn blocking area filling surface is selected through clicking the left button of the mouse, dragging is carried out according to actual requirements, and the position of the integral area is adjusted to a designated position;
updating all point position coordinate data in the corresponding line drawing layer and surface drawing layer data sources;
when the map layer data is updated, the map is automatically rendered again in real time, and the region adjustment can be completed;
collecting boundary points of a blocked area on the map according to actual requirements; after the step of updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing is completed, the method further comprises the following steps:
judging whether the whole blocking area needs to be adjusted or not;
when the integral blocking area does not need to be adjusted, dragging and moving to a designated position through a certain boundary point of the double-click area of the mouse;
updating corresponding point position coordinate data in the corresponding line drawing layer and the surface drawing layer data source;
when the map layer data is updated, the map is automatically rendered again in real time, and the region adjustment can be completed;
the real-time adjustment of the blocking area is convenient;
the alert level is divided into three levels, corresponding to three lock lines, and the application is differentially presented in red, orange and yellow.
2. The blocked area map plot processing method of claim 1, wherein the step of dragging and moving to a designated position by a mouse double-click of a certain boundary point of an area when the entire blocked area does not need to be adjusted further comprises:
when the whole blocking area does not need to be adjusted, only one boundary point can be adjusted at a time by double clicking a certain boundary point of the area through the mouse, and the dragging is moved to a designated position.
3. A blocked regional map plot processing apparatus, the apparatus comprising:
the selection module is used for selecting the drawing type of the blocked area according to the warning level, and different types are marked and presented by different colors; the warning level is divided into three levels, corresponding to three lock lines, and the application is respectively presented in red, orange and yellow;
the monitoring module is used for monitoring events of the drawing blocking area, receiving drawing instructions and monitoring mouse interaction events on the map;
the drawing module is used for entering a drawing state and constructing an initial layer of the pincushion arrow map; the system comprises a line drawing layer and a surface drawing layer, wherein the initial value of coordinate point set data is a null array; the two layers are data sources for presenting the final map effect, and the effect of quickly constructing and adjusting the blocking area can be achieved by updating the data sources directly in the follow-up process;
the acquisition updating module is used for acquiring the boundary points of the blocked area on the map according to actual requirements; collecting and updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing; collecting boundary points of a blocked area on a map according to actual requirements; clicking the map by the left button of the mouse to confirm the acquisition point and caching the longitude and latitude coordinates of the acquisition point; the mouse double-click map finishes the acquisition point, and the corresponding line drawing layer and the surface drawing layer data source are updated to finish drawing;
the judging module is used for judging whether the whole blocking area needs to be adjusted or not;
the adjustment processing module is used for selecting the drawn filling surface of the blocking area through clicking the left button of the mouse when the whole blocking area needs to be adjusted, and dragging the filling surface of the blocking area according to actual requirements, so that the position of the whole area is adjusted to a designated position; updating all point position coordinate data in the corresponding line drawing layer and surface drawing layer data sources; when the map layer data is updated, the map is automatically rendered again in real time, and the region adjustment can be completed;
collecting boundary points of a blocked area on the map according to actual requirements; after the step of updating the corresponding line drawing layer and the surface drawing layer data source to finish drawing is completed, the method further comprises the following steps:
judging whether the whole blocking area needs to be adjusted or not;
when the integral blocking area does not need to be adjusted, dragging and moving to a designated position through a certain boundary point of the double-click area of the mouse;
updating corresponding point position coordinate data in the corresponding line drawing layer and the surface drawing layer data source;
when the map layer data is updated, the map is automatically rendered again in real time, and the region adjustment can be completed;
and real-time adjustment of the blocking area is convenient.
4. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the blocked area map plot processing method of any one of claims 1 to 2.
5. A computer readable storage medium having stored thereon a computer program, characterized in that the computer program when executed by a processor implements the steps of the blocked area map plot processing method of any one of claims 1 to 2.
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| CN113776545B (en) * | 2021-09-03 | 2024-04-26 | 上海擎朗智能科技有限公司 | Method and device for constructing robot navigation map, medium and electronic equipment |
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