CN114415880A - Gesture-based anti-control web map zooming method and system - Google Patents

Abstract

The invention provides a gesture-based method and a gesture-based system for reversely controlling zooming of a web map, wherein the method comprises the following steps: capturing gestures of a screen of the double-finger touch car machine, acquiring two groups of continuous screen coordinate sequences and transmitting the two groups of continuous screen coordinate sequences to a mobile phone end; the mobile phone end converts the two sets of screen coordinate sequences into web map coordinates through a map coordinate conversion tool; and judging the zooming operation of the current gesture according to the linear distance between the two sets of screen coordinate sequences at the beginning and the end, importing the web map coordinates into a web map at the mobile phone end, and zooming the web map. The invention converts a series of continuous screen coordinate sequences generated by touching the screen of the vehicle end into map coordinates, and controls the web map to carry out corresponding zooming operation. The invention realizes the general operation of the vehicle-mounted machine reverse control mobile phone on the premise of not depending on the technical standard established by the scientific and technological company, avoids the problem of vehicle-mounted machine compatibility caused by the difference of the technical standard and reduces the development cost and the hardware cost.

Description

Reverse control web map zoom method and system based on gestures

technical field

The present invention relates to the technical field of digital maps, and in particular, to a method and system for zooming and zooming a web map based on gesture reverse control.

Background technique

At present, the application of mobile phone car-machine interconnection is becoming more and more extensive. Technology companies such as Apple, Google, Baidu and other technology companies have successively launched their own car-machine interconnection solutions. The realization of the car-machine interconnection allows users to use the mobile phone on the car and the machine as simple as using a mobile phone to ensure a certain driving safety.

However, in recent years, complaints about car-machine interconnection failures have been increasing day by day. Due to differences in technical standards formulated by technology companies and compatibility issues caused by differences in the customization of in-vehicle systems, the in-vehicle system crashes, black screens, and inability to synchronize with mobile phones and other failures Problems occur frequently.

SUMMARY OF THE INVENTION

The embodiments of the present invention provide a method and system for zooming a web map based on gesture anti-control, so as to realize a general operation of a mobile phone with anti-control of a vehicle and a mobile phone, and avoid compatibility problems caused by differences in the customization of on-board systems.

In a first aspect, an embodiment of the present invention provides a gesture-based reverse-controlled web map zooming method, including:

S1, capture the gesture of two-finger touching the screen of the car machine, obtain two sets of continuous screen coordinate sequences and transmit them to the mobile phone;

S2, the mobile terminal converts the two sets of screen coordinate sequences into web map coordinates through a map coordinate conversion tool;

S3, according to the linear distance between the two sets of screen coordinate sequences at the beginning and the end, determine the zoom operation of the current gesture, import the web map coordinates into the mobile phone web map, and perform web map zooming based on the determined zoom operation.

Preferably, before step S2, the method further includes: the mobile phone terminal receives two sets of continuous screen coordinate sequences, and performs filtering of invalid coordinate points on each set of continuous screen coordinate sequences.

Preferably, the filtering of the invalid coordinate points includes: filtering the repeated points and invalid points of the screen coordinate sequence based on the continuity of the two sets of screen coordinate sequences.

Preferably, in step S3, determining the zoom operation of the current gesture according to the straight-line distance between the two sets of screen coordinate sequences at the beginning and the end, specifically includes:

Calculate the first distance between the starting points of the two sets of screen coordinate sequences and the second distance between the ending points of the two sets of screen coordinate sequences;

If the first distance is greater than the second distance, it is determined as a zoom-out gesture operation, otherwise, it is determined as a zoom-in gesture operation.

In a second aspect, an embodiment of the present invention further provides a gesture-based anti-control web map zooming system, including a car screen terminal and a mobile phone terminal, wherein,

The in-vehicle terminal includes: an acquisition unit for capturing a gesture of two-finger touching the screen of the in-vehicle and acquiring two sets of continuous screen coordinate sequences;

The transmission unit is used to transmit the acquired screen coordinate sequence to the mobile phone;

The mobile phone terminal includes: a receiving unit for receiving two sets of screen coordinate sequences transmitted by the vehicle terminal;

A conversion unit, used for converting two sets of screen coordinate sequences into web map coordinates through a map coordinate conversion tool;

The map zooming unit is used for judging the zooming operation of the current gesture according to the linear distance between the two sets of screen coordinate sequences at the beginning and the end, importing the coordinates of the web map into the web map of the mobile phone, and performing the zooming operation of the web map based on the determined zooming operation .

In a third aspect, an embodiment of the present invention provides an electronic device, including a processor, a memory, a communication interface, and a bus; wherein the processor, the memory, and the communication interface communicate with each other through the bus; the memory Program instructions executable by the processor are stored, and the processor invokes the program instructions to execute the gesture-based reverse control web map zooming method provided by the embodiment of the first aspect.

In a fourth aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium, where the non-transitory computer-readable storage medium stores a computer program, and the computer program is implemented by a processor to execute the implementation of the first aspect. The example provides a gesture-based reverse control web map zoom method.

The method and system for zooming and zooming a web map based on gesture reverse control provided by the embodiments of the present invention convert two sets of continuous screen coordinate sequences generated by touching the screen of the vehicle terminal into map coordinates, and control the web map to perform corresponding zooming operations. On the premise of not relying on the technical standards formulated by the technology company, the present invention realizes the general operation of the mobile phone for reverse control of the vehicle and the vehicle, avoids the compatibility problem of the vehicle and the vehicle caused by the difference of the technical standards, and reduces the development cost and the hardware cost.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a schematic flowchart of a method for zooming a web map based on gesture reverse control provided by an embodiment of the present invention;

2 is a flowchart of a method for zooming a web map based on gesture reverse control provided by another embodiment of the present invention;

3 is a structural block diagram of a gesture-based anti-control web map zooming system provided by an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an electronic device provided by an embodiment of the present invention.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The embodiments of the present invention provide a method and system for zooming a web map based on gesture reverse control, so as to solve the problem that the system misjudges the start of the engine when the engine fails to start successfully, resulting in the transient loss of the battery. Specific descriptions are given below with reference to the accompanying drawings in conjunction with each embodiment.

FIG. 1 is a schematic flowchart of a method for zooming a web map based on gesture reverse control provided by an embodiment of the present invention. As shown in FIG. 1 , the method for zooming a web map based on gesture reverse control provided by an embodiment of the present invention includes but is not limited to the following steps:

In step S1, a gesture of two-finger touching the screen of the car machine is captured, and two sets of continuous screen coordinate sequences are acquired and transmitted to the mobile phone.

In this embodiment, after the user touches the screen of the vehicle with two fingers, the screen of the vehicle captures the gesture of touching the screen of the vehicle with two fingers, and obtains two sets of continuous screen coordinate sequences. Understandably, each finger will draw a continuous sequence of screen coordinates. Then, the vehicle screen transmits the screen coordinate sequence to the mobile phone for processing through the communication service.

Step S2, the mobile terminal converts the two sets of screen coordinate sequences into web map coordinates through a map coordinate conversion tool;

FIG. 2 is a flowchart of a method for zooming a web map based on gesture anti-control provided by another embodiment of the present invention. Referring to FIG. 2, in one embodiment, before step S2 is performed, two sets of consecutive screen coordinate sequences are firstly received through the mobile phone terminal, Filter invalid coordinate points for each group of consecutive screen coordinate sequences. Specifically, based on the continuity of the two sets of screen coordinate sequences, duplicate points and invalid points in the two sets of screen coordinate sequences are filtered.

Then, step S2 is performed, and the two sets of screen coordinate sequences are converted into web map coordinates by a map coordinate conversion tool. Among them, a web (network) map is a map that is digitally stored and consulted using computer technology. With the development of the Internet, it is generated by combining traditional satellite navigation data and electronic map technology.

Step S3, according to the linear distance between the two sets of screen coordinate sequences at the beginning and the end, determine the zoom operation of the current gesture, import the web map coordinates into the mobile phone web map, and perform web map zooming based on the determined zoom operation.

Specifically, the first distance between the starting points of the two sets of screen coordinate sequences and the second distance between the ending points of the two sets of screen coordinate sequences are calculated; if the first distance is greater than the second distance, it is determined as a zoom-out gesture operation, and vice versa It is determined as a zoom-in gesture operation. After importing the coordinates of the web map into the web map of the mobile phone, the mobile phone zooms the web map according to the determined gesture operation.

In the method for zooming and zooming a web map based on gesture reverse control provided by the embodiment of the present invention, a series of continuous screen coordinate sequences generated by touching the screen of the vehicle terminal are converted into map coordinates, and the web map is controlled to perform corresponding zooming operations. On the premise of not relying on the technical standards formulated by the technology company, the present invention realizes the general operation of the mobile phone for reverse control of the vehicle and the vehicle, avoids the compatibility problem of the vehicle and the vehicle caused by the difference of the technical standards, and reduces the development cost and the hardware cost.

FIG. 3 is a structural block diagram of a gesture-based anti-control web map zoom system provided by an embodiment of the present invention. In one embodiment, an embodiment of the present invention further provides a gesture-based anti-control web map zoom system. The gesture-based reverse control web map zooming system is used to execute the gesture-based reverse control web map zooming methods in the foregoing embodiments. The system includes an on-board screen terminal and a mobile phone terminal, wherein the on-board terminal includes: an acquisition unit for capturing a gesture of two-finger touching the on-board screen, and acquiring two sets of continuous screen coordinate sequences;

The transmission unit is used to transmit the acquired screen coordinate sequence to the mobile phone;

The mobile phone terminal includes: a receiving unit for receiving two sets of screen coordinate sequences transmitted by the vehicle terminal;

A conversion unit, used for converting two sets of screen coordinate sequences into web map coordinates through a map coordinate conversion tool;

The map zooming unit is used for judging the zooming operation of the current gesture according to the linear distance between the two sets of screen coordinate sequences at the beginning and the end, importing the coordinates of the web map into the web map of the mobile phone, and performing the zooming operation of the web map based on the determined zooming operation .

It can be understood that the gesture-based anti-control web map zooming system provided by the present invention corresponds to the gesture-based anti-control web map zooming method provided in the foregoing embodiment, and the related technical features of the gesture-based anti-control web map zooming system can be referred to. Relevant technical features of the method for zooming in and out of the reverse-controlled web map are not repeated in this embodiment of the present invention.

In one embodiment, an embodiment of the present invention provides an electronic device. As shown in FIG. 4 , the electronic device may include: a processor (processor) 401, a communications interface (Communications Interface) 402, a memory (memory) 403 and A communication bus 404 , wherein the processor 401 , the communication interface 402 , and the memory 403 communicate with each other through the communication bus 404 . The processor 401 can call the logic instructions in the memory 403 to perform the steps of the gesture-based anti-control web map zooming method provided by the above embodiments, for example, including: S1, capturing the gesture of two-finger touching the screen of the car machine, and obtaining two consecutive groups. S2, the mobile phone converts the two sets of screen coordinate sequences into web map coordinates through the map coordinate conversion tool; S3, according to the straight-line distance between the two sets of screen coordinate sequences at the beginning and the end, judge the current In the zoom operation of the gesture, the coordinates of the web map are imported into the web map of the mobile phone, and the web map is zoomed.

In one embodiment, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, it is implemented to execute the gesture-based feedback provided by the foregoing embodiments. The steps of the method for controlling the zooming of the web map include, for example: S1, capturing the gesture of two-finger touching the screen of the car machine, obtaining two sets of continuous screen coordinate sequences and transmitting them to the mobile terminal; S2, the mobile terminal using the map coordinate conversion tool to convert the two sets of screens The coordinate sequence is converted into web map coordinates; S3, according to the straight-line distance between the two sets of screen coordinate sequences at the beginning and the end, determine the zoom operation of the current gesture, import the web map coordinates into the mobile phone web map, and based on the determined zoom operation, Perform web map zooming.

It should be noted that, in the foregoing embodiments, the description of each embodiment has its own emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (apparatus), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded computer or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means implementing the functions specified in one or more of the flowcharts and/or one or more blocks of the block diagrams.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.

Although preferred embodiments of the present invention have been described, additional changes and modifications to these embodiments may occur to those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiment and all changes and modifications that fall within the scope of the present invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. A method for zooming a web map based on gesture anti-control is characterized in that, said. S1, capture the gesture of two-finger touching the screen of the car machine, obtain two sets of continuous screen coordinate sequences and transmit them to the mobile phone; S2, the mobile terminal converts the two sets of screen coordinate sequences into web map coordinates through a map coordinate conversion tool; S3, according to the linear distance between the two sets of screen coordinate sequences at the beginning and the end, determine the zoom operation of the current gesture, import the web map coordinates into the mobile phone web map, and perform web map zooming based on the determined zoom operation. 2. The method for zooming a web map based on gesture anti-control according to claim 1, wherein, before step S2, the method further comprises: The mobile terminal receives two sets of continuous screen coordinate sequences, and filters invalid coordinate points for each set of continuous screen coordinate sequences. 3. The method for scaling a web map based on gesture anti-control according to claim 2, wherein the filtering of the invalid coordinate points comprises: Based on the continuity of the two sets of screen coordinate sequences, duplicate points and invalid points in the screen coordinate sequences are filtered. 4. the method for scaling a web map based on gesture anti-control according to claim 1, is characterized in that, in step S3, described according to two groups of screen coordinate sequences at the beginning and the end of the straight line distance, judging the scaling operation of the current gesture, Specifically include: Calculate the first distance between the starting points of the two sets of screen coordinate sequences and the second distance between the ending points of the two sets of screen coordinate sequences; If the first distance is greater than the second distance, it is determined as a zoom-out gesture operation, otherwise, it is determined as a zoom-in gesture operation. 5. An anti-control web map zooming system based on gestures, characterized in that, comprising a car screen terminal and a mobile phone terminal, wherein, The in-vehicle terminal includes: an acquisition unit for capturing a gesture of two-finger touching the screen of the in-vehicle and acquiring two sets of continuous screen coordinate sequences; The transmission unit is used to transmit the acquired screen coordinate sequence to the mobile phone; The mobile phone terminal includes: a receiving unit for receiving two sets of screen coordinate sequences transmitted by the vehicle terminal; A conversion unit, used for converting two sets of screen coordinate sequences into web map coordinates through a map coordinate conversion tool; The map zooming unit is used for judging the zooming operation of the current gesture according to the linear distance between the two sets of screen coordinate sequences at the beginning and the end, importing the coordinates of the web map into the web map of the mobile phone, and performing the zooming operation of the web map based on the determined zooming operation . 6. An electronic device comprising a memory, a processor and a computer program stored on the memory and running on the processor, wherein the processor implements any one of claims 1 to 4 when the processor executes the program The steps of the method for reversing the zooming of a web map based on gestures described in item. 7. A non-transitory computer-readable storage medium on which a computer program is stored, characterized in that, when the computer program is executed by a processor, the gesture-based counter-control web map according to any one of claims 1 to 4 is realized The steps of the scaling method.

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