CN110706306A - Method and device for drawing area in map application and computer equipment - Google Patents
Method and device for drawing area in map application and computer equipment Download PDFInfo
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- CN110706306A CN110706306A CN201910907181.9A CN201910907181A CN110706306A CN 110706306 A CN110706306 A CN 110706306A CN 201910907181 A CN201910907181 A CN 201910907181A CN 110706306 A CN110706306 A CN 110706306A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04806—Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
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Abstract
The application relates to a method, a device, a computer device and a storage medium for drawing areas in map application. The method comprises the following steps: acquiring a region drawing request; monitoring a click event of a currently displayed map page according to the regional drawing request, and generating a corresponding position anchor point when the click event is monitored; acquiring an arrangement sequence of the current position anchor points, wherein the arrangement sequence is generated after being ordered according to the pixel coordinates of the current position anchor points and the position anchor points of each historical time and according to a preset ordering mode; and according to the arrangement sequence, sequentially connecting the position anchors on the currently displayed map page for region drawing. The method allows the operation and maintenance personnel to draw the parking area in the map application according to the actual situation, so that the operation and maintenance personnel can maintain the parking area conveniently.
Description
Technical Field
The present application relates to the field of computer graphics technologies, and in particular, to a method and an apparatus for drawing an area in a map application, a computer device, and a storage medium.
Background
In the process of rapid development and intense competition of the shared vehicle industry, along with the increasing of vehicle scale, disorder images such as disorder parking, disorder lane occupation and the like are frequently generated, and the disorder images not only influence the normal use of shared vehicles by users in various places, but also seriously increase the off-line operation cost of shared vehicle enterprises. Existing parking codes, in addition to government-regulated restricted parking areas, specify parking available areas, i.e., users who park in unspecified areas will be considered to stop in unnormal.
In the existing designated parking available area, a background algorithm is generally used for constructing a recommended area which includes a hot spot position after considering a fault tolerance range based on thermodynamic diagram distribution and other related data and information such as a required fault tolerance range. The terminal can acquire the recommended area through an interface or a pushing mode and display the recommended area to operation and maintenance staff. The existing mode based on the back-end algorithm can only be adjusted by program research personnel, and when the recommended area is an area where vehicles are forbidden to park by the government, or the road is closed due to temporary construction, or the actual parking condition is not met due to a leak of the back-end algorithm, the front-line operation and maintenance personnel cannot adjust the parking area to adapt to different conditions, so that the problem of difficulty in maintaining the parking area exists.
Disclosure of Invention
In view of the above, there is a need to provide a method, apparatus, computer device and storage medium capable of facilitating maintenance of a shared vehicle parking area.
In order to achieve the above object, in one aspect, an embodiment of the present application provides a method for drawing a region in a map application, where the method includes:
acquiring a region drawing request;
monitoring a click event of a currently displayed map page according to the regional drawing request, and generating a corresponding position anchor point when the click event is monitored;
acquiring an arrangement sequence of the position anchor points, wherein the arrangement sequence is generated after sequencing according to the current position anchor point and the pixel coordinates of the position anchor points of historical time and according to a preset sequencing mode;
and according to the arrangement sequence, sequentially connecting the position anchors on the currently displayed map page for region drawing.
In one embodiment, sequentially connecting the position anchors on the currently displayed map page for region drawing according to the arrangement sequence, includes:
if the number of the acquired position anchor points is 2, performing linear connection on the position anchor points;
and if the number of the acquired position anchor points is at least 3, sequentially connecting the position anchor points according to the arrangement sequence on the currently displayed map page to form a polygonal closed area.
In one embodiment, after sequentially connecting the location anchors on the currently displayed map page for region rendering, the method further includes:
acquiring a deletion request for a position anchor point;
and deleting the selected position anchor points according to the deletion request, and re-drawing the areas of the rest position anchor points.
In one embodiment, the delete request for the location anchor comprises a delete request for the current location anchor; deleting the selected position anchor points according to the deletion request, and performing area drawing on the rest position anchor points again, wherein the area drawing comprises the following steps:
and according to the deletion request, automatically deleting the currently acquired position anchor point, and re-drawing the region of the rest position anchor points.
In one embodiment, after sequentially connecting the location anchors on the currently displayed map page for region drawing according to the arrangement order, the method further includes:
acquiring a position adjustment request for a position anchor point;
monitoring the dragging operation of the position anchor point according to the position adjusting request;
when the dragging operation is monitored to be completed, acquiring a new arrangement sequence of the position anchor points, wherein the new arrangement sequence is generated after the position anchor points are ordered according to the pixel coordinates of the dragged position anchor points and a preset ordering mode;
and connecting the adjusted position anchors in sequence according to the new arrangement sequence to perform region drawing again.
In one embodiment, after sequentially connecting the location anchors on the currently displayed map page for region drawing according to the arrangement order, the method further includes:
monitoring at least one of zooming and sliding operations on a currently displayed map page;
when the zooming operation is monitored, zooming the area in an equal proportion according to the zooming proportion of the currently displayed map page;
and when the sliding operation is monitored, moving the drawing area, and keeping the relative position of the currently displayed map page and the area unchanged.
In one embodiment, the method further comprises:
and obtaining and displaying the map distance between two adjacent position anchor points after sequencing, wherein the map distance is calculated according to the map longitude and latitude coordinates converted from the pixel coordinates of the position anchor points.
In one embodiment, the method further comprises:
acquiring a region drawing completion instruction;
and according to the area drawing completion instruction, obtaining the map longitude and latitude coordinates of the position anchor points after sequencing, and sending the map longitude and latitude coordinates to the cloud server for storage.
On the other hand, the embodiment of the present application further provides an apparatus for drawing a region in a map application, where the apparatus includes:
the acquisition module is used for acquiring a region drawing request;
the position anchor point generating module is used for monitoring a click event of a currently displayed map page according to the area drawing request, and generating a corresponding position anchor point when the click event is monitored;
the acquisition module is further used for acquiring the arrangement sequence of the position anchor points, and the arrangement sequence is generated after being ordered according to the pixel coordinates of the current position anchor point and the position anchor points of each historical time and according to a preset ordering mode;
and the area drawing module is used for sequentially connecting the position anchors on the currently displayed map page according to the arrangement sequence to draw the areas.
In another aspect, an embodiment of the present application further provides a computer device, including a memory and a processor, where the memory stores a computer program, and the processor implements the following steps when executing the computer program:
acquiring a region drawing request;
monitoring a click event of a currently displayed map page according to the regional drawing request, and generating a corresponding position anchor point when the click event is monitored;
acquiring an arrangement sequence of the position anchor points, wherein the arrangement sequence is generated after sequencing according to the current position anchor point and the pixel coordinates of the position anchor points of historical time and according to a preset sequencing mode;
and according to the arrangement sequence, sequentially connecting the position anchors on the currently displayed map page for region drawing.
In yet another aspect, an embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the following steps:
acquiring a region drawing request;
monitoring a click event of a currently displayed map page according to the regional drawing request, and generating a corresponding position anchor point when the click event is monitored;
acquiring an arrangement sequence of the position anchor points, wherein the arrangement sequence is generated after sequencing according to the current position anchor point and the pixel coordinates of the position anchor points of historical time and according to a preset sequencing mode;
and according to the arrangement sequence, sequentially connecting the position anchors on the currently displayed map page for region drawing.
According to the method, the device, the computer equipment and the storage medium for drawing the area in the map application, after the area drawing request is obtained, when the click event of the currently displayed map page is monitored, the corresponding position anchor point is generated. Then, acquiring the arrangement sequence of the position anchors, and sequentially connecting the position anchors on the currently displayed map page for region drawing according to the arrangement sequence. The method allows the operation and maintenance personnel to draw the parking area in the map application according to the actual situation, so that the operation and maintenance personnel can maintain the parking area conveniently.
Drawings
FIG. 1 is a diagram of an application environment for a method of mapping an area in an application, in one embodiment;
FIG. 2 is a flow diagram illustrating a method for mapping an area in a mapping application, according to one embodiment;
FIG. 3 is a flow diagram that illustrates the deletion of a location anchor in one embodiment;
FIG. 4 is a diagram illustrating a process for adjusting the position of a location anchor in one embodiment;
FIG. 5 is a flow diagram that illustrates adjusting a rendering area based on map zoom and slide operations, under an embodiment;
FIG. 6 is a schematic illustration of a rendered area in one embodiment;
FIG. 7 is a diagram of an application environment in which a method for mapping an area in an application may be implemented, according to one embodiment;
FIG. 8 is a block diagram showing the structure of an apparatus for drawing an area in a mapping application in one embodiment;
FIG. 9 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The method for drawing the area in the map application can be applied to the application environment shown in fig. 1. The application environment includes a terminal 102 and a server 104. Wherein, the terminal 102 communicates with the server 104 through the network. Specifically, the operation and maintenance personnel can trigger the area drawing request through the terminal 102, and the terminal 102 obtains the area drawing request. The terminal 102 monitors a click event of a currently displayed map page according to the area drawing request. When the terminal 102 monitors the click event, a corresponding position anchor is generated, and the pixel coordinates of the position anchor are sent to the server 104. The server 104 sorts the position anchors according to the obtained pixel coordinates of the current position anchor and the position anchor of each historical time in a preset sorting mode, and sends the sorting sequence to the terminal 102. The terminal 102 acquires the arrangement sequence of the position anchors, and sequentially connects the position anchors on the currently displayed map page for region drawing according to the arrangement sequence.
The terminal 102 may be, but not limited to, various personal computers, notebook computers, smart phones, tablet computers, and portable wearable devices, and the server 104 may be implemented by an independent server or a server cluster formed by a plurality of servers.
In one embodiment, as shown in fig. 2, a method for drawing a region in a map application is provided, which is described by taking the method as an example for being applied to the terminal 102 in fig. 1, and includes the following steps:
at step 202, a region drawing request is obtained.
Specifically, when an operation and maintenance person judges that the parking area recommended by the server is inappropriate according to the actual situation through the terminal, an instruction that the area is inappropriate can be triggered through the terminal. And the terminal deletes the parking area recommended by the server according to the acquired instruction that the area is not appropriate. Further, the operation and maintenance personnel can trigger the region drawing request through the terminal, for example, click a region drawing button displayed on a region drawing interface, so that the terminal obtains the region drawing request.
And 204, monitoring a click event of the currently displayed map page according to the area drawing request, and generating a corresponding position anchor point when the click event is monitored.
The currently displayed map page refers to a map page currently presented on the terminal screen. Specifically, after the terminal acquires the area drawing request, a map interface which can enable the operation and maintenance personnel to draw the area by themselves is presented to the operation and maintenance personnel. The terminal monitors a click event triggered by operation and maintenance personnel in real time, generates a position anchor point corresponding to a click position when the click event is monitored, and sends the pixel coordinate of the position anchor point to the server side.
And step 206, acquiring an arrangement sequence of the position anchors, wherein the arrangement sequence is generated after being ordered according to the pixel coordinates of the current position anchor and the position anchor of each historical time and according to a preset ordering mode.
The preset sorting manner may refer to an order in which the regions can be drawn according to a specific direction, and the specific direction may refer to a clockwise direction or a counterclockwise direction, which is not limited herein. Specifically, each time the server acquires the pixel coordinate of one position anchor point, all the acquired position anchor points are sequenced in real time according to the relationship between the pixel coordinate of the currently acquired position anchor point and the pixel coordinates of all the position anchor points acquired before, and the arrangement sequence of all the position anchor points acquired currently is generated. And the server sends the arrangement sequence of all the position anchors acquired currently to the terminal in real time, so that the terminal can draw the region according to the arrangement sequence. Illustratively, the preset arrangement order may be a clockwise connection order. Assuming that the current position anchor point is the nth position anchor point and the pixel coordinate of the current position anchor point is Mn, the position anchor points of the history each time are M1, M2 and M3 … … Mn-1. When the 2 nd position anchor point is monitored, the server side judges whether the connection direction from the pixel coordinates M1 to M2 is clockwise or not by taking the 1 st position anchor point as a starting point, and if so, the two position anchor points are sequenced into M1 and M2; if not, the sequence is M2 and M1. And in analogy, the position anchor points acquired subsequently can be sequenced into an order capable of being sequentially connected clockwise through the server according to the pixel coordinates of the position anchor points.
And step 208, sequentially connecting the position anchors on the currently displayed map page according to the arrangement sequence to perform region drawing.
Wherein the rendered area may be rendered in a semi-transparent manner in an upper layer of the currently displayed map page so as not to affect the display of the map page. Specifically, after acquiring the arrangement sequence of the position anchors, the terminal may sequentially connect adjacent position anchors on the upper layer of the currently displayed map page for area drawing according to the arrangement sequence of the position anchors acquired in real time.
According to the method for drawing the area in the map application, after the area drawing request is obtained, when the click event of the currently displayed map page is monitored, the corresponding position anchor point is generated. Then, acquiring the arrangement sequence of the position anchors, and sequentially connecting the position anchors on the currently displayed map page for region drawing according to the arrangement sequence. The method allows the operation and maintenance personnel to draw the parking area in the map application according to the actual situation, so that the operation and maintenance personnel can maintain the parking area conveniently.
In one implementation, according to the arrangement order, sequentially connecting the position anchors on the currently displayed map page for region drawing, specifically including: if the number of the acquired position anchor points is 2, performing linear connection on the position anchor points; and if the number of the acquired position anchor points is at least 3, sequentially connecting the position anchor points according to the arrangement sequence on the currently displayed map page to form a polygonal closed area.
Specifically, when the number of all the location anchors currently acquired by the terminal is 2, the 2 location anchors may be linearly connected according to a preset arrangement order on the currently displayed map page. When the number of the position anchor points currently acquired by the terminal is more than 3, the position anchor points 1 st after arrangement can be used as a starting point according to the arrangement sequence of the current position anchor points, two adjacent position anchor points are linearly connected in real time, and the position anchor points 1 last after arrangement are connected with the position anchor point 1 st, so that a closed polygonal area is formed. In this embodiment, the position anchor points are connected in real time according to the obtained arrangement sequence through the terminal, so that no matter which sequence the operation and maintenance personnel click the map, the polygonal closed area can be obtained, and the management requirement of the operation and maintenance personnel on the parking area is met.
Further, with the popularization of touch terminals and graphic applications, the method for drawing the polygonal area can also be applied to picture cutting, for example, a user can cut a captured picture into a customized polygonal closed area according to the method. Alternatively, it can also be applied to custom polygon shapes and the like in drawing applications.
In one embodiment, as shown in fig. 3, after sequentially connecting the location anchors on the currently displayed map page for region rendering, the method further includes the following steps:
step 302, a delete request for a location anchor is obtained.
Specifically, the operation and maintenance personnel may trigger the request for deleting the position anchor point through the terminal, for example, by clicking a button for deleting the position anchor point through the terminal, or by pressing the position anchor point for a long time through the terminal, which is not limited herein.
And step 304, deleting the selected position anchor points according to the deletion request, and performing area drawing on the rest position anchor points again.
Specifically, after acquiring a deletion request for a position anchor point, the terminal may pop up a deletion box on the currently generated position anchor point, so that an operation and maintenance worker may send a request for deleting the position anchor point to the terminal by clicking a corresponding deletion box on a certain position anchor point to be deleted. And the terminal acquires a deletion request for the selected position anchor point and deletes the position anchor point on the currently displayed map page. And the terminal sends the pixel coordinates of the position anchor points to the server, so that the server can reorder the rest position anchor points according to the acquired pixel coordinates of the position anchor points and send the position anchor points to the terminal. And the terminal performs region drawing on the rest position anchor points according to the arrangement sequence. In the embodiment, the terminal can delete the unnecessary position anchor points according to the request, so that the use requirements of operation and maintenance personnel are further met.
Further, in this embodiment, a request to delete the currently acquired location anchor may also be specifically included. Wherein the currently acquired location anchor refers to the location anchor acquired at the latest time. Specifically, the operation and maintenance personnel can trigger a request for deleting the newly acquired position anchor point by clicking a button for deleting the last position anchor point through the terminal. And after the terminal acquires the deletion request, the position anchor point acquired at the latest time is directly and automatically deleted, and the rest position anchor points are reconnected with the drawing area. In this embodiment, the latest position anchor point obtained by the terminal can be automatically deleted, so that the efficiency of the operation and maintenance personnel for drawing the region can be improved.
In one embodiment, as shown in fig. 4, after sequentially connecting the position anchors on the currently displayed map page for region drawing according to the arrangement order, the method further includes the following steps:
at step 402, a request for position adjustment of a position anchor is obtained.
Specifically, the operation and maintenance personnel may trigger a position adjustment request for the position anchor point through the terminal, for example, by clicking a position adjustment button through the terminal or by pressing the position anchor point for a long time through the terminal, which is not limited herein.
And step 404, monitoring the dragging operation of the position anchor point according to the position adjusting request.
Specifically, after acquiring the position adjustment request, the terminal starts monitoring the dragging operation of the position anchor point. The operation and maintenance personnel can adjust the position of a certain position anchor point needing to be subjected to position adjustment by dragging the anchor point.
And 406, when it is monitored that the dragging operation is completed, acquiring a new arrangement sequence of the position anchor points, wherein the new arrangement sequence is generated after being ordered according to the pixel coordinates of the dragged position anchor points and a preset ordering mode.
Specifically, when the terminal monitors that the dragging operation of the position anchor point is finished, the dragged pixel coordinate of the position anchor point is obtained, and the dragged pixel coordinate is sent to the server. And the server reorders all current position anchor points according to the acquired pixel coordinates after dragging and a preset ordering mode to generate a new arrangement sequence, and sends the new arrangement sequence to the terminal.
And step 408, sequentially connecting the adjusted position anchors according to the new arrangement sequence to perform region drawing again.
Specifically, after acquiring the new arrangement sequence of all current position anchors, the terminal connects two adjacent position anchors in sequence according to the new arrangement sequence to redraw the area. In this embodiment, can redraw the region according to the dragging operation of fortune dimension personnel to the position anchor point through making the terminal, when fortune dimension personnel need adjust the region of drawing, fortune dimension personnel can directly drag the position anchor point, need not get operation such as point again, improved the efficiency and easy and simple to handle of regional drawing.
In one embodiment, as shown in fig. 5, after sequentially connecting the position anchors on the currently displayed map page for region drawing according to the arrangement order, the method further includes the following steps:
step 502, at least one of zooming and sliding operations on a currently displayed map page is monitored.
In this embodiment, after the drawn area is displayed on the upper layer of the currently displayed map page, the map page may be zoomed or slid, so that the operation and maintenance personnel can view more map areas.
And step 504, when the zooming operation is monitored, zooming the area in an equal proportion according to the zooming proportion of the currently displayed map page.
Specifically, when the terminal monitors that the map page is zoomed, after the monitoring zoom operation is finished, the drawn area can be adaptively adjusted according to the zoom scale of the map. Further, the zoom scale of the map may be determined by a zoom level of the map set in advance. The zoom level of the map may include 1-19 different levels. For example, if the zoom level of the map before zooming is 3 and the zoom level of the map after zooming is 5, the map can be zoomed at a scale of 3And the terminal can adjust the drawn area in equal proportion according to the scaling.
And step 506, when the sliding operation is monitored, moving the drawing area, and keeping the relative position of the currently displayed map page and the area unchanged.
Specifically, when the terminal monitors that the map page is slid, the drawn area can be correspondingly moved, and in the moving process, the longitude and latitude coordinates of the position anchor point are kept unchanged. The longitude and latitude coordinates of the position anchor point can be converted into sliding pixel coordinates in real time through the server, and the converted pixel coordinates are sent to the terminal in real time, so that the terminal moves the drawn area correspondingly according to the obtained moved pixel coordinates.
In the embodiment, the drawn area can be adaptively adjusted by the terminal according to zooming and/or sliding operations on the map, so that operation and maintenance personnel can check a thinner or wider map area under the condition of not changing the drawn area, thereby knowing the actual area condition and improving the accuracy of area drawing.
In one embodiment, any of the above embodiments further comprises: and obtaining and displaying the map distance between two adjacent position anchor points after sequencing, wherein the map distance is calculated according to the map longitude and latitude coordinates converted from the pixel coordinates of the position anchor points.
Specifically, as shown in fig. 6, after the terminal sends the pixel coordinates of the location anchor point obtained in real time to the server, the server may convert the pixel coordinates of the location anchor point into longitude and latitude coordinates through an algorithm. And then, according to the arrangement sequence, calculating the map distance between the longitude and latitude coordinates of the two adjacent position anchor points, and returning the map distance to the terminal. And the terminal displays the acquired map distance on the area in real time. It can be understood that when the position anchor points are connected into the polygonal closed area, the map distance between the two position anchor points is calculated according to the longitude and latitude coordinates of the sorted 1 st position anchor point and the sorted last 1 position anchor point. In the embodiment, the terminal displays the map distance of the two position anchor points in real time, so that the operation and maintenance can timely know the real distance of the area, and the operation and maintenance personnel can use the operation and maintenance personnel conveniently.
In one embodiment, any of the above embodiments further comprises: acquiring a region drawing completion instruction; and obtaining the map longitude and latitude coordinates of the position anchor points after sequencing according to the area drawing completion instruction, and sending the map longitude and latitude coordinates to a cloud server for storage.
Specifically, after the area drawing is completed, the operation and maintenance staff may trigger a completion instruction through the terminal, for example, click a drawing completion button, and send the instruction that the area drawing is completed to the terminal. And after acquiring the area drawing completion instruction, the terminal sends the drawing completion instruction to the server. And the server converts the pixel coordinates of all current position anchor points into longitude and latitude coordinates and sends the longitude and latitude coordinates to the terminal. And the terminal sends the acquired longitude and latitude coordinates of the position anchor point to a cloud server. In the embodiment, the longitude and latitude coordinates drawn by the area are updated to the cloud server, so that the parking area can be conveniently and uniformly managed according to the drawn areas.
In an embodiment, as shown in fig. 7, a method for drawing an area in the map application is described by a specific embodiment, which specifically includes the following steps:
step 701, the terminal obtains a region drawing request triggered by operation and maintenance personnel.
Step 702, the terminal monitors a click event of a currently displayed map page, and generates a corresponding position anchor point when the click event is monitored.
And 703, the terminal sends the pixel coordinates of the position anchor point to a server in real time.
Step 704, the server sorts the current position anchor points according to a preset sorting mode.
Specifically, the preset ordering manner refers to an order in which the position anchor point drawing regions can be connected in a specific direction, and the specific direction may be a clockwise direction or a counterclockwise direction.
Step 705, the server sends the ordering mode of the position anchor point to the terminal.
And step 706, the terminal connects the position anchors in sequence according to the sorting mode to perform region drawing.
Specifically, if the number of the acquired position anchor points is 2, the position anchor points are linearly connected; and if the number of the acquired position anchor points is at least 3, sequentially connecting the position anchor points according to the arrangement sequence on the currently displayed map page to form a polygonal closed area.
And step 707, the server converts the pixel coordinates of the sorted current position anchor points into longitude and latitude coordinates, and calculates the map distance between two adjacent position anchor points.
In step 708, the server sends the map distance between two adjacent position anchors to the terminal.
And step 709, displaying the map distance between two adjacent position anchors in real time by the terminal.
And step 710, the terminal acquires a deletion request of the position anchor point triggered by the operation and maintenance personnel.
And 711, deleting the selected position anchor point by the terminal, and re-drawing the area according to the rest position anchor points.
In step 712, the terminal obtains a request for deleting the anchor point at the current location triggered by the operation and maintenance staff.
In step 713, the terminal automatically deletes the anchor point of the current position. The current position anchor point refers to a position anchor point acquired at the latest time.
And 714, the terminal acquires a position adjustment request for the position anchor point, which is triggered by the operation and maintenance personnel.
Step 715, the terminal monitors the dragging operation of the position anchor point.
In step 716, the terminal sends the pixel coordinates of the dragged location anchor point to the server.
Step 717, the server sorts the dragged position anchor points according to a preset sorting mode to generate a new sorting mode.
Step 718, the server sends the new sorting mode to the terminal.
And step 719, the terminal performs area drawing again on the adjusted position anchor point connection according to the new arrangement sequence.
And 720, the terminal monitors at least one of zooming and sliding operation of the currently displayed map page triggered by the operation and maintenance personnel.
In step 721, the terminal adjusts the drawn area accordingly according to the zoom and/or slide operation on the currently displayed map page.
Specifically, when the zooming operation is monitored, zooming the area in an equal scale according to the zooming scale of the currently displayed map page; and when the sliding operation is monitored, moving the drawing area, and keeping the relative position of the currently displayed map page and the area unchanged.
And step 722, the terminal acquires a drawing completion instruction triggered by the operation and maintenance personnel.
And 723, the terminal sends the map longitude and latitude coordinates of the position anchor points after sequencing to a cloud server for storage.
It should be understood that although the various steps in the flow charts of fig. 1-7 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 1-7 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 8, there is provided an apparatus 800 for drawing a region in a map application, comprising: an acquisition module 801, a location anchor generation module 802, and a region drawing module 803, wherein:
an obtaining module 801, configured to obtain a region drawing request;
a location anchor generating module 802, configured to monitor a click event of a currently displayed map page according to a region drawing request, and generate a corresponding location anchor when the click event is monitored;
the obtaining module 801 is further configured to obtain an arrangement sequence of the position anchors, where the arrangement sequence is generated after being sorted according to a preset sorting manner according to the pixel coordinates of the current position anchor and the position anchor of each historical time;
the area drawing module 803 connects the position anchors in sequence on the currently displayed map page according to the arrangement order to perform area drawing.
In an embodiment, the region drawing module 803 is specifically configured to perform linear connection on the location anchors if the number of the acquired location anchors is 2; and if the number of the acquired position anchor points is at least 3, sequentially connecting the position anchor points according to the arrangement sequence on the currently displayed map page to form a polygonal closed area.
In an embodiment, the system further includes a deletion module, configured to delete the selected location anchor according to the obtained deletion request for the location anchor, and perform area rendering on the remaining location anchors again.
In one embodiment, the deleting module is further configured to automatically delete the currently acquired location anchor according to the acquired request for deleting the currently acquired location anchor, and perform area rendering on the remaining location anchors again.
In one embodiment, the system further includes a first position adjustment module, configured to monitor a dragging operation for the position anchor point according to the acquired position adjustment request for the position anchor point; when the dragging operation is monitored to be completed, acquiring a new arrangement sequence of the position anchor points, wherein the new arrangement sequence is generated after the position anchor points are ordered according to the pixel coordinates of the dragged position anchor points and a preset ordering mode; and connecting the adjusted position anchors in sequence according to the new arrangement sequence to perform region drawing again.
In one embodiment, the system further comprises a second position adjustment module for monitoring at least one of zooming and sliding operations on the currently displayed map page; when the zooming operation is monitored, zooming the area in an equal proportion according to the zooming proportion of the currently displayed map page; and when the sliding operation is monitored, moving the drawing area, and keeping the relative position of the currently displayed map page and the area unchanged.
In one embodiment, the system further comprises a display module, configured to display the obtained map distance between two adjacent position anchor points after sorting in real time, where the map distance is calculated according to the map longitude and latitude coordinates converted from the pixel coordinates of the position anchor points.
In one embodiment, the system further comprises a sending module, configured to send the obtained map longitude and latitude coordinates of the position anchor points after the ordering to a cloud server for storage according to the obtained area drawing completion instruction.
For the specific definition of the device for drawing the area in the mapping application, reference may be made to the above definition of the method for drawing the area in the mapping application, and details are not described here. The modules in the device for drawing an area in the map application can be wholly or partially implemented by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 9. 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 comprises a nonvolatile 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 an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a method of drawing a region in a map application. 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, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 9 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:
acquiring a region drawing request; monitoring a click event of a currently displayed map page according to the regional drawing request, and generating a corresponding position anchor point when the click event is monitored; acquiring an arrangement sequence of the position anchor points, wherein the arrangement sequence is generated after sequencing according to the current position anchor point and the pixel coordinates of the position anchor points of historical time and according to a preset sequencing mode; and according to the arrangement sequence, sequentially connecting the position anchors on the currently displayed map page for region drawing.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
if the number of the acquired position anchor points is 2, performing linear connection on the position anchor points; and if the number of the acquired position anchor points is at least 3, sequentially connecting the position anchor points according to the arrangement sequence on the currently displayed map page to form a polygonal closed area.
In one embodiment, after sequentially connecting the position anchors on the currently displayed map page for region rendering, the processor executes the computer program to further perform the following steps:
acquiring a deletion request for a position anchor point; and deleting the selected position anchor points according to the deletion request, and re-drawing the areas of the rest position anchor points.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and automatically deleting the currently acquired position anchor point according to the deletion request of the current position anchor point, and re-drawing the areas of the rest position anchor points.
In one embodiment, after sequentially connecting the position anchors on the currently displayed map page for region rendering, the processor executes the computer program to further perform the following steps:
acquiring a position adjustment request for a position anchor point; monitoring the dragging operation of the position anchor point according to the position adjusting request; when the dragging operation is monitored to be completed, acquiring a new arrangement sequence of the position anchor points, wherein the new arrangement sequence is generated after the position anchor points are ordered according to the pixel coordinates of the dragged position anchor points and a preset ordering mode; and connecting the adjusted position anchors in sequence according to the new arrangement sequence to perform region drawing again.
In one embodiment, after sequentially connecting the position anchors on the currently displayed map page for region rendering according to the arrangement order, the processor executes the computer program to further implement the following steps:
monitoring at least one of zooming and sliding operations on a currently displayed map page; when the zooming operation is monitored, zooming the area in an equal proportion according to the zooming proportion of the currently displayed map page; and when the sliding operation is monitored, moving the drawing area, and keeping the relative position of the currently displayed map page and the area unchanged.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and obtaining and displaying the map distance between two adjacent position anchor points after sequencing, wherein the map distance is calculated according to the map longitude and latitude coordinates converted from the pixel coordinates of the position anchor points.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
acquiring a region drawing completion instruction; and according to the area drawing completion instruction, obtaining the map longitude and latitude coordinates of the position anchor points after sequencing, and sending the map longitude and latitude coordinates to the cloud server for storage.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring a region drawing request; monitoring a click event of a currently displayed map page according to the regional drawing request, and generating a corresponding position anchor point when the click event is monitored; acquiring an arrangement sequence of the position anchor points, wherein the arrangement sequence is generated after sequencing according to the current position anchor point and the pixel coordinates of the position anchor points of historical time and according to a preset sequencing mode; and according to the arrangement sequence, sequentially connecting the position anchors on the currently displayed map page for region drawing.
In one embodiment, the computer program when executed by the processor further performs the steps of:
if the number of the acquired position anchor points is 2, performing linear connection on the position anchor points; and if the number of the acquired position anchor points is at least 3, sequentially connecting the position anchor points according to the arrangement sequence on the currently displayed map page to form a polygonal closed area.
In one embodiment, after sequentially connecting the location anchors for zone rendering on the currently displayed map page, the computer program when executed by the processor further performs the steps of:
acquiring a deletion request for a position anchor point; and deleting the selected position anchor points according to the deletion request, and re-drawing the areas of the rest position anchor points.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and automatically deleting the currently acquired position anchor point according to the deletion request of the current position anchor point, and re-drawing the areas of the rest position anchor points.
In one embodiment, after sequentially connecting the location anchors for zone rendering on the currently displayed map page, the computer program when executed by the processor further performs the steps of:
acquiring a position adjustment request for a position anchor point; monitoring the dragging operation of the position anchor point according to the position adjusting request; when the dragging operation is monitored to be completed, acquiring a new arrangement sequence of the position anchor points, wherein the new arrangement sequence is generated after the position anchor points are ordered according to the pixel coordinates of the dragged position anchor points and a preset ordering mode; and connecting the adjusted position anchors in sequence according to the new arrangement sequence to perform region drawing again.
In one embodiment, after sequentially connecting the location anchors for zone rendering on the currently displayed map page in the order of arrangement, the computer program when executed by the processor further performs the steps of:
monitoring at least one of zooming and sliding operations on a currently displayed map page; when the zooming operation is monitored, zooming the area in an equal proportion according to the zooming proportion of the currently displayed map page; and when the sliding operation is monitored, moving the drawing area, and keeping the relative position of the currently displayed map page and the area unchanged.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and obtaining and displaying the map distance between two adjacent position anchor points after sequencing, wherein the map distance is calculated according to the map longitude and latitude coordinates converted from the pixel coordinates of the position anchor points.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring a region drawing completion instruction; and according to the area drawing completion instruction, obtaining the map longitude and latitude coordinates of the position anchor points after sequencing, and sending the map longitude and latitude coordinates to the cloud server for storage.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A method for drawing regions in a map application, the method comprising:
acquiring a region drawing request;
monitoring a click event of a currently displayed map page according to the regional drawing request, and generating a corresponding position anchor point when the click event is monitored;
acquiring an arrangement sequence of the position anchor points, wherein the arrangement sequence is generated after being ordered according to the pixel coordinates of the current position anchor point and the position anchor points of each historical time and according to a preset ordering mode;
and according to the arrangement sequence, sequentially connecting the position anchors on the currently displayed map page for region drawing.
2. The method of claim 1, wherein sequentially connecting the position anchors for zone rendering on the currently displayed map page in the ranking order comprises:
if the number of the position anchor points is 2, performing linear connection on the position anchor points;
and if the number of the position anchor points is at least 3, sequentially connecting the position anchor points according to the arrangement sequence on the currently displayed map page to form a polygonal closed area.
3. The method of claim 1, wherein after sequentially connecting the location anchors for zone rendering on the currently displayed map page in the order of arrangement, further comprising:
acquiring a deletion request for the position anchor point;
and deleting the selected position anchor point according to the deletion request, and re-drawing the residual position anchor points.
4. The method of claim 3, wherein the delete request for the location anchor comprises a delete request for the current location anchor; deleting the selected position anchor point according to the deletion request, and performing area drawing on the rest position anchor points again, wherein the area drawing comprises the following steps:
and automatically deleting the currently acquired position anchor point according to the deletion request, and re-drawing the residual position anchor points.
5. The method of claim 1, wherein after sequentially connecting the location anchors for zone rendering on the currently displayed map page in the order of arrangement, further comprising:
acquiring a position adjustment request for the position anchor point;
monitoring the dragging operation of the position anchor point according to the position adjusting request;
when the dragging operation is monitored to be completed, acquiring a new arrangement sequence of the position anchor points, wherein the new arrangement sequence is generated after the position anchor points are arranged according to the pixel coordinates of the dragged position anchor points in the preset arrangement mode;
and sequentially connecting the adjusted position anchor points according to the new arrangement sequence to perform region drawing again.
6. The method of claim 1, wherein after sequentially connecting the location anchors for zone rendering on the currently displayed map page in the order of arrangement, further comprising:
monitoring at least one of zooming and sliding operations on the currently displayed map page;
when the zooming operation is monitored, zooming the area in an equal scale according to the zooming scale of the currently displayed map page;
and when the sliding operation is monitored, moving the drawing area, and keeping the relative position of the currently displayed map page and the area unchanged.
7. The method according to any one of claims 1 to 6, further comprising:
and obtaining and displaying the map distance between two adjacent position anchor points after sequencing, wherein the map distance is calculated according to the map longitude and latitude coordinates converted from the pixel coordinates of the position anchor points.
8. The method according to any one of claims 1 to 6, further comprising:
acquiring a region drawing completion instruction;
and obtaining the map longitude and latitude coordinates of the position anchor points after sequencing according to the area drawing completion instruction, and sending the map longitude and latitude coordinates to a cloud server for storage.
9. An apparatus for mapping regions in a map application, the apparatus comprising:
the acquisition module is used for acquiring a region drawing request;
the position anchor point generating module is used for monitoring a click event of the currently displayed map page according to the area drawing request, and generating a corresponding position anchor point when the click event is monitored;
the acquisition module is further used for acquiring an arrangement sequence of the position anchor points, wherein the arrangement sequence is generated after being ordered according to the pixel coordinates of the current position anchor point and the position anchor points of each historical time and according to a preset ordering mode;
and the area drawing module is used for sequentially connecting the position anchors on the currently displayed map page according to the arrangement sequence to draw areas.
10. 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 8 when executing the computer program.
11. 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 according to any one of claims 1 to 8.
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