CN108287883A - The current location expression and current location expression device of electronic map - Google Patents
The current location expression and current location expression device of electronic map Download PDFInfo
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- CN108287883A CN108287883A CN201810025056.0A CN201810025056A CN108287883A CN 108287883 A CN108287883 A CN 108287883A CN 201810025056 A CN201810025056 A CN 201810025056A CN 108287883 A CN108287883 A CN 108287883A
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- current location
- location
- electronic map
- place names
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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
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3667—Display of a road map
- G01C21/367—Details, e.g. road map scale, orientation, zooming, illumination, level of detail, scrolling of road map or positioning of current position marker
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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
Abstract
The invention discloses the current location expressions and device of a kind of electronic map, the current location expression includes, determine current location electronic map location information and information of place names, current location include to the electronic equipment for carrying electronic map positioned determined by position or the position that inputs when user's inquiry；The azimuth information of current location is determined based on the direction sensor of electronic equipment；Current location identity is shown in electronic map according to location information, information of place names and azimuth information.The current location expression can facilitate user to obtain more information from electronic map, promote user experience.
Description
Technical field
The invention belongs to network geographic information technical field, more particularly to the current location expression of a kind of electronic map
And current location expression device.
Background technology
Currently, electronic map has been more and more widely used in daily life, either the network based on browser
The electronic map application of electronic map or mobile terminal App, can all be related to the expression of user current location, for indicating
Current location of the user in electronic map.In the prior art, this current location is indicated often through a dot symbol.
And using the user of electronic map there are individuation difference, such as certain customers are regardless of all directions, and only
Can be entirely the place of " Byway " with all around differentiating orientation, such as in some streets, certain customers easily occur " steering youngster "
The phenomenon that etc..Therefore it when considering that whole user crowd uses the user experience of electronic map, should enable users to from current position
It sets expression and obtains more information easy to identify, to itself determining actual orientation in electronic map, facilitate user to map
Use.
Above-mentioned background technology is only that inventor possesses to export embodiment of the present invention or in export process
The technical information of middle acquistion not necessarily has been disclosed in the known skill of general public before the submission of embodiment of the present invention
Art.
Invention content
The first technical problem to be solved by the present invention is to provide a kind of Map Expression method of current location, so as to more
Effectively express more geography information, user-friendly map.
In order to solve the above-mentioned technical problem, embodiments herein provides firstly a kind of current location table of electronic map
Up to method, including：
Step 1 determines current location in the location information and information of place names of electronic map, and the current location includes to holding
Carry the electronic map electronic equipment positioned determined by the position that inputs when inquiring of position or user；
Step 2, the azimuth information that current location is determined based on the direction sensor of the electronic equipment；
Step 3, according to the positional information, the information of place names and the azimuth information show in the electronic map
Current location identity.
Preferably, when the current location is to carry out positioning identified position to the electronic equipment for carrying the electronic map
When setting, the step 1 specifically includes：
Satellite positioning signal and/or base station signal and/or WIFI signal based on the electronic equipment generate basis on location,
The basis on location is sent to the location-server that electronic map manufacturer provides, to obtain the location information of current location；
Place name figure layer based on the electronic map and the location information, determine the information of place names of current location.
Preferably, the place name figure layer based on the electronic map and the location information, determine the ground of current location
Name information, specially：
Determine location information location point corresponding in the place name figure layer, the place name figure layer is with the electronics
The current ground display resolution of map is shown；
The ground famous cake nearest apart from the location point is searched from the place name figure layer, judges described ground famous cake and the position
Whether the pixel distance of point is less than specified threshold；
When the pixel distance is less than or equal to specified threshold, the information of place names of described ground famous cake is determined as present bit
The information of place names set；
When the pixel distance is more than specified threshold, determine that the information of place names of current location is sky.
Preferably, when the current location is the position inputted when user inquires, the step 1 specifically includes：
According to the position of the input, the spatial database of searching electronic map, to obtain and determine the position of current location
Confidence ceases and information of place names.
Preferably,
The current location identity includes being arranged with the crosshair figure for being directed toward end and close to the crosshair figure
Aid in illustrating word；
The step 3 specifically includes：
According to the positional information, display location of the crosshair figure in the electronic map is determined, for
Indicate position of the current location in electronic map；
According to the azimuth information, the real-time direction at the direction end of the crosshair figure is determined, for indicating current
Orientation of the position in electronic map；
The information of place names is shown as to aid in illustrating word.
Embodiments herein additionally provides a kind of current location expression device of electronic map, including：
First determining module, be used to determine current location electronic map location information and information of place names, it is described to work as
Front position include to the electronic equipment for carrying the electronic map positioned determined by position or when user's inquiry input
Position；
Second determining module is used to determine the orientation letter of current location based on the direction sensor of the electronic equipment
Breath；
Display module, be used for according to the positional information, the information of place names and the azimuth information be in the electronics
Current location identity is shown in map.
Preferably, when the current location is to carry out positioning identified position to the electronic equipment for carrying the electronic map
When setting, first determining module is configured as：
Satellite positioning signal and/or base station signal and/or WIFI signal based on the electronic equipment generate basis on location,
The basis on location is sent to the location-server that electronic map manufacturer provides, to obtain the location information of current location；
Place name figure layer based on the electronic map and the location information, determine the information of place names of current location.
Preferably, first determining module based on the electronic map place name figure layer and the location information, really
When the information of place names of settled front position, it is configured as：
Determine location information location point corresponding in the place name figure layer, the place name figure layer is with the electronics
The current ground display resolution of map is shown；
The ground famous cake nearest apart from the location point is searched from the place name figure layer, judges described ground famous cake and the position
Whether the pixel distance of point is less than specified threshold；
When the pixel distance is less than or equal to specified threshold, the information of place names of described ground famous cake is determined as present bit
The information of place names set；
When the pixel distance is more than specified threshold, determine that the information of place names of current location is sky.
Preferably, when the current location is the position inputted when user inquires, first determining module is configured
For：
According to the position of the input, the spatial database of searching electronic map, to obtain and determine the position of current location
Confidence ceases and information of place names.
Preferably, the current location identity includes with the crosshair figure for being directed toward end and close to the crosshair figure
The aid illustration word of setting；
The display module is configured as：
According to the positional information, display location of the crosshair figure in the electronic map is determined, for
Indicate position of the current location in electronic map；
According to the azimuth information, the real-time direction at the direction end of the crosshair figure is determined, for indicating current
Orientation of the position in electronic map；
The information of place names is shown as to aid in illustrating word.
Compared with prior art, one or more of said program embodiment can have the following advantages that or beneficial to effect
Fruit：
The location information of current location, azimuth information and information of place names, and centralized displaying on the electronic map are obtained, it will
" current location " is upgraded to " present orientation ", and user is made eye-catching can not only to view current location on the electronic map, can be with
It gets the place name of current location and is directed toward orientation and improve user to facilitate user to obtain more information from electronic map
Experience.
Other advantages, target and the feature of the present invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.The target and other advantages of the present invention can be wanted by following specification, right
Specifically noted structure is sought in book and attached drawing to realize and obtain.
Although describing the present invention, people in the art hereinafter in connection with some exemplary implementations and application method
Member is it should be appreciated that be not intended to limit the invention to these embodiments.It is on the contrary, it is intended to which that covering is wanted included in appended right
Seek all substitutes, amendment and the equivalent in spirit and scope of the invention defined in book.
Description of the drawings
Attached drawing is used for providing to the technical solution of the application or further understanding for the prior art, and constitution instruction
A part.Wherein, technical side of the attached drawing of the embodiment of the present application together with embodiments herein for explaining the application is expressed
Case, but do not constitute the limitation to technical scheme.
Fig. 1 is the flow diagram of the current location expression of electronic map according to an embodiment of the invention；
Fig. 2 is the current location identity signal of the current location expression of electronic map according to an embodiment of the invention
Figure；
Fig. 3 is the composition schematic diagram of the current location expression device of electronic map according to an embodiment of the invention.
Specific implementation mode
In following embodiment, the first, second equal wording does not have limited meaning simultaneously, but merely for by one
Purpose that a inscape is distinguished with other inscapes uses.In addition, unless separately having specific finger on the contrary in context
Show, otherwise singular references include that plural number is stated.In addition, include or with etc. wording refer to feature recorded in specification or
The presence of inscape, rather than the additional possibility of other more than one features or inscape is excluded in advance.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, how to be applied to the present invention whereby
Technological means solves technical problem, and the realization process for reaching relevant art effect can fully understand and implement.This Shen
Each feature that please be in embodiment and embodiment, can be combined with each other under the premise of not colliding, be formed by technical solution
Within protection scope of the present invention.
Present applicant proposes a kind of current location expression of electronic map, can the more geography information of effective expression,
User-friendly map, is with reference to the accompanying drawings and examples described in detail this method.
Attached drawing 1 is the flow diagram of the current location expression of the electronic map of one embodiment of the invention.
As shown in step 1 in Fig. 1, determine current location in the location information and information of place names of electronic map, current location
Include to the electronic equipment for carrying electronic map positioned determined by position or the position that inputs when user's inquiry.
In the present embodiment, current location includes two types, corresponded to respectively user using electronic map during
Different application scene.For example, under a kind of application scenarios, user navigates it needs to be determined that the position of itself in order to determine
The application scenarios of starting point, at this moment current location correspond to the electronic equipment for carrying the electronic map is carried out positioning identified position
It sets.Or under another application scenarios, user needs to inquire certain position other than self-position, in order to understand position week
The application scenarios of the geography information on side, the position inputted when at this moment current location is inquired corresponding to user.
In step 1, it is thus necessary to determine that current location aligns separately below in the location information and information of place names of electronic map
Confidence ceases and the acquisition process of information of place names illustrates.
In the case where current location is above-mentioned first kind application scenarios, i.e., when current location is to be set to the electronics for carrying electronic map
It is standby positioned determined by position when,
First, the satellite positioning signal based on electronic equipment and/or base station signal and/or WIFI signal generate positioning according to
According to basis on location being sent to the location-server that electronic map manufacturer provides, to obtain the location information of current location.
Specifically, by taking electronic equipment is smart mobile phone as an example, in one embodiment, be located outside as mobile phone holder or
When person window side, the signal that more position location satellites of global position system emit, base can be easily received by mobile phone
In this signal, mobile phone can be calculated to the distance of every satellite, and then satellite-based position generates corresponding basis on location,
Common global position system includes GPS system, dipper system, GLONASS systems etc..
In another specific embodiment, mobile phone holder can also take phone, transmitting-receiving short message, mobile number using mobile phone
According to online etc., this necessarily needs to initiate to interact with neighbouring base station, receiving and transmitting signal.It can get base station IDs in interactive process.Normal condition
Under, the base station IDs of each base station are globally unique, in this way if mobile phone has swept to some base station IDs, the ID letters based on base station
Breath also produces corresponding basis on location.
In other specific embodiments, present smart mobile phone all supports wifi to surf the Internet.Due to wifi routers
Lower deployment cost is low, and deployment is extensive, and multiple wifi hotspots may be had in a floor.And each roads wifi of mobile phone connection
By device, there is globally unique MAC Address.The MAC Address of wifi routers based on mobile phone connection also produces corresponding
Basis on location.
In general, on the location-server of electronic map manufacturer, all can deployment maintenance have including base station location, the roads wifi
By the database of the information such as device position, by the original positioning generated based at least one of the above various embodiments generating mode according to
According to location-server is sent to, server end is calculated location information and returns to according to original basis on location holds movement
The user of equipment (such as mobile phone), and then the final location information for getting current location.It is understood that according to specifically answering
With scene, the basis on location that three of the above mode generates can integrated use, with faster, more precisely obtain location information.
Later, the location information of place name figure layer and the current location got based on electronic map, determines present bit
The information of place names set.
Specifically, determining location information location point corresponding in place name figure layer, place name figure layer is worked as with electronic map
Preceding ground display resolution is shown.
The place name figure layer record of electronic map has the information of place names in each place, under Different Ground display resolution, institute
Show that place name is generally different.Such as under higher resolution ratio, the title for the entitled each building in ground that place name figure layer may be shown,
Such as Xidan Books Mansion, the squares Zhuan Sheng.And at a lower resolution, the place name of place name figure layer is possibly shown as each region
Administrative title, such as Haidian District, Chaoyang District.And ground display resolution can be determined according to the actual selection of user, different
Under the display resolution of ground, corresponding location point is determined in place name figure layer according to location information.
After determining the location point, the ground famous cake nearest apart from the location point is searched from place name figure layer, judges the place name
Whether the pixel distance of point and the location point is less than specified threshold, i.e., under corresponding ground display resolution, in place name figure layer
The nearest ground famous cake of the chosen distance location point in ground famous cake corresponding to the place name of display, and then judge the ground famous cake and the position
Whether the pixel distance set a little is less than specified threshold, and for example, specified threshold is 20 pixels.
When pixel distance is less than or equal to specified threshold, such as from the location point with recently the display distance of famous cake exist
Within 20 pixels, the information of place names of the ground famous cake is determined as to the information of place names of current location.Refer to when the pixel distance is more than
When determining threshold value, the display distance such as from nearest the famous cake of the location point then illustrates that the location point is not deposited more than 20 pixels
In effective place name, at this moment determine that the information of place names of current location is sky.
In step 1, current location is under above-mentioned second class application scenarios, i.e., when current location is that user inputs when inquiring
When position,
According to position input by user, the spatial database of searching electronic map, to obtain and determine the position of current location
Confidence ceases and information of place names.Such as user inputs " squares Zhuan Sheng ", and using the input as keyword, the space number of searching electronic map
According to library, to obtain " squares Zhuan Sheng " in the location information of electronic map, and information of place names may change, such as " the village
The study plot on victory square " is entitled " squares SOGO Zhuan Sheng ".
Current location is determined after the location information and information of place names of electronic map, continues the step 2 in Fig. 1, is based on
The direction sensor of electronic equipment determines the azimuth information of current location.
For the direction sensor of electronic equipment for realizing electronic compass function, type is varied.It is with smart mobile phone
, the magnetic field sensor integrated in smart mobile phone is exactly a kind of direction sensor, and magnetic field sensor is sent a telegraph according to anisotropic magnetic
Material is hindered, self-resistance can be caused to generate the principle of variation when experiencing faint changes of magnetic field, to realize the work(of electronic compass
Can, thus mobile phone to rotate or shake it is several under could accurately indicate direction, identify the four corners of the world.The correlation type of direction sensor
It is found in open source information with realization principle, here just without detailing.In the present invention, according to the direction sensor of electronic equipment
Determine that all directions of the azimuth information of current location namely the place environment of current location are directed toward.
Finally, it as shown in step 3 in Fig. 1, is shown in electronic map according to location information, information of place names and azimuth information
Current location identity.
As shown in Fig. 2, current location identity includes with the crosshair figure for being directed toward end and close to crosshair figure setting
Aid illustration word.
According to location information, display location of the crosshair figure in electronic map is determined, for indicating current location
Position in electronic map.As shown in Fig. 2, according to location information determining in step 1, the cross in electronic map is determined
The display location of silk figure, indicates current location in the position of electronic map with the position corresponding to crosshair centre of figure.
According to azimuth information, the real-time direction at the direction end of crosshair figure is determined, for indicating current location in electricity
Orientation in sub- map.As shown in Fig. 2, one end for indicating " north " word of crosshair figure is to be directed toward end, determined according in step 2
Azimuth information, so that the end is directed toward the north orientation of electronic map in real time, show the orientation of current location, facilitate user to present bit
Set the identification of surrounding geographical information.
Further, as shown in Fig. 2, the adjacent both ends at the direction end for indicating " north " word of crosshair figure are also marked respectively
There is " left side " " right side " word, identification of the user to current location geography information can be further facilitated.
Word close to crosshair figure lower part is auxiliary comment, and information of place names is shown as to aid in illustrating word,
It is " Current terrestrial to aid in illustrating text importing as shown in Figure 2：Xisi ".
In a specific embodiment, current location identity may also include the translucent light blue of covering crosshair graphical display
Color border circular areas, so that current location identity is easier to identify resolution by user.
For example, the display specification of current location identity shown in Fig. 2 is as follows：
The center of crosshair image is blue dot, and a diameter of 10 pixel, blue rgb value is (57,158,228),
The periphery of blue dot is surrounded by the annulus of 10 pixels white.
White annulus periphery is surrounded by the semi-transparent blue annulus of 80 pixels, and RGBA values are (57,158,228,0.5).
The cross wire of crosshair image is made of four sections of blue lines, and blue line specification is that 50 pixels are long, and 2 pixels are wide, RGBA
Value is respectively (57,158,228).And it is directed toward " north " word at end and " left side " " right side " word of adjacent both ends is shown as black matrix, font is big
It is small consistent with system default font.
Technical scheme of the present invention obtains the location information of current location, azimuth information and information of place names, and electronically
" current location " is upgraded to " present orientation " by centralized displaying on figure, and user is made eye-catching can not only to view on the electronic map
Current location can also get the place name of current location and be directed toward orientation, to facilitate user to be obtained more from electronic map
Information, the user experience is improved.
In addition, a kind of current location expression device of electronic map is also proposed in the present invention, as shown in figure 3, including：
First determining module 31, be used to determine current location electronic map location information and information of place names, currently
Position include to the electronic equipment for carrying electronic map positioned determined by position or the position that inputs when user's inquiry.
When current location be to the electronic equipment for carrying the electronic map positioned determined by position when, first is true
Cover half block 31 is configured as：
Satellite positioning signal and/or base station signal and/or WIFI signal based on electronic equipment generate basis on location, will determine
Position is according to the location-server for being sent to the offer of electronic map manufacturer, to obtain the location information of current location；
Place name figure layer based on electronic map and the location information, determine the information of place names of current location.
Specifically, it is determined that the location point that location information is corresponding in place name figure layer, place name figure layer are current with electronic map
Ground display resolution shown；
The ground famous cake nearest apart from the location point is searched from place name figure layer, judges the pixel distance of ground famous cake and location point
Whether specified threshold is less than；
When pixel distance is less than or equal to specified threshold, the information of place names of ground famous cake is determined as to the place name of current location
Information；
When pixel distance is more than specified threshold, determine that the information of place names of current location is sky.
When current location is the position inputted when user inquires, the first determining module 31 is configured as：
According to the position of input, the spatial database of searching electronic map, to obtain and determine that the position of current location is believed
Breath and information of place names.
Second determining module 32 is used to determine the azimuth information of current location based on the direction sensor of electronic equipment.
Display module 33 is used to be shown in electronic map according to location information, information of place names and azimuth information current
Station location marker.
Specifically, current location identity includes with the crosshair figure for being directed toward end and close to the auxiliary of crosshair figure setting
Comment, display module 33 is helped to be configured as：
According to location information, display location of the crosshair figure in electronic map is determined, for indicating current location
Position in electronic map；
According to azimuth information, the real-time direction at the direction end of crosshair figure is determined, for indicating current location in electricity
Orientation in sub- map；
Information of place names is shown as to aid in illustrating word.
Concrete operations performed by above-mentioned each module may refer to previous embodiment, and details are not described herein again.
Those skilled in the art should be understood that each module of the above invention or each step can use general calculating
Device realizes that they can be concentrated on a single computing device, or be distributed in network constituted by multiple computing devices
On, optionally, they can be realized with the program code that computing device can perform, it is thus possible to be stored in storage
It is performed by computing device in device, either they are fabricated to each integrated circuit modules or will be more in them
A module or step are fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and
Software combines.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope disclosed by the invention, the change or replacement that can be readily occurred in should all be contained any those skilled in the art
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of current location expression of electronic map, including：
Step 1 determines current location in the location information and information of place names of electronic map, and the current location includes to carrying institute
State electronic map electronic equipment positioned determined by the position that inputs when inquiring of position or user；
Step 2, the azimuth information that current location is determined based on the direction sensor of the electronic equipment；
Step 3, according to the positional information, the information of place names and the azimuth information show currently in the electronic map
Station location marker.
2. according to the method described in claim 1, it is characterized in that, when the current location is to carrying the electronic map
Electronic equipment positioned determined by position when, the step 1 specifically includes：
Satellite positioning signal and/or base station signal and/or WIFI signal based on the electronic equipment generate basis on location, by institute
The location-server that basis on location is sent to the offer of electronic map manufacturer is stated, to obtain the location information of current location；
Place name figure layer based on the electronic map and the location information, determine the information of place names of current location.
3. according to the method described in claim 2, it is characterized in that, the place name figure layer based on the electronic map and described
Location information determines the information of place names of current location, specially：
Determine location information location point corresponding in the place name figure layer, the place name figure layer is with the electronic map
Current ground display resolution is shown；
The ground famous cake nearest apart from the location point is searched from the place name figure layer, judges described ground famous cake and the location point
Whether pixel distance is less than specified threshold；
When the pixel distance is less than or equal to specified threshold, the information of place names of described ground famous cake is determined as current location
Information of place names；
When the pixel distance is more than specified threshold, determine that the information of place names of current location is sky.
4. according to the method described in claim 1, it is characterized in that, when the current location is the position inputted when user inquires
When, the step 1 specifically includes：
According to the position of the input, the spatial database of searching electronic map, to obtain and determine that the position of current location is believed
Breath and information of place names.
5. method according to claim 1 to 4, which is characterized in that
The current location identity includes the auxiliary with the crosshair figure for being directed toward end and close to crosshair figure setting
Comment；
The step 3 specifically includes：
According to the positional information, display location of the crosshair figure in the electronic map is determined, for indicating
Position of the current location in electronic map；
According to the azimuth information, the real-time direction at the direction end of the crosshair figure is determined, for indicating current location
Orientation in electronic map；
The information of place names is shown as to aid in illustrating word.
6. a kind of current location expression device of electronic map, including：
First determining module is used to determine current location in the location information and information of place names of electronic map, the present bit
Set the position inputted including position determined by being positioned to the electronic equipment for carrying the electronic map or when user's inquiry；
Second determining module is used to determine the azimuth information of current location based on the direction sensor of the electronic equipment；
Display module, be used for according to the positional information, the information of place names and the azimuth information be in the electronic map
Middle display current location identity.
7. device according to claim 6, which is characterized in that when the current location is to carrying the electronic map
Electronic equipment positioned determined by position when, first determining module is configured as：
Satellite positioning signal and/or base station signal and/or WIFI signal based on the electronic equipment generate basis on location, by institute
The location-server that basis on location is sent to the offer of electronic map manufacturer is stated, to obtain the location information of current location；
Place name figure layer based on the electronic map and the location information, determine the information of place names of current location.
8. device according to claim 7, which is characterized in that first determining module is based on the electronic map
Place name figure layer and the location information are configured as when determining the information of place names of current location：
Determine location information location point corresponding in the place name figure layer, the place name figure layer is with the electronic map
Current ground display resolution is shown；
The ground famous cake nearest apart from the location point is searched from the place name figure layer, judges described ground famous cake and the location point
Whether pixel distance is less than specified threshold；
When the pixel distance is less than or equal to specified threshold, the information of place names of described ground famous cake is determined as current location
Information of place names；
When the pixel distance is more than specified threshold, determine that the information of place names of current location is sky.
9. device according to claim 6, which is characterized in that when the current location is the position inputted when user inquires
When, first determining module is configured as：
According to the position of the input, the spatial database of searching electronic map, to obtain and determine that the position of current location is believed
Breath and information of place names.
10. the device according to any one of claim 6 to 9, which is characterized in that
The current location identity includes the auxiliary with the crosshair figure for being directed toward end and close to crosshair figure setting
Comment；
The display module is configured as：
According to the positional information, display location of the crosshair figure in the electronic map is determined, for indicating
Position of the current location in electronic map；
According to the azimuth information, the real-time direction at the direction end of the crosshair figure is determined, for indicating current location
Orientation in electronic map；
The information of place names is shown as to aid in illustrating word.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810025056.0A CN108287883B (en) | 2018-01-11 | 2018-01-11 | Current position expression method and current position expression device of electronic map |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810025056.0A CN108287883B (en) | 2018-01-11 | 2018-01-11 | Current position expression method and current position expression device of electronic map |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108287883A true CN108287883A (en) | 2018-07-17 |
| CN108287883B CN108287883B (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810025056.0A Active CN108287883B (en) | 2018-01-11 | 2018-01-11 | Current position expression method and current position expression device of electronic map |
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| CN101175280A (en) * | 2004-09-02 | 2008-05-07 | 华为技术有限公司 | Method for acquiring objective position direction by handhold equipment |
| CN104330081A (en) * | 2014-10-14 | 2015-02-04 | 北京奇虎科技有限公司 | Descriptive position prompt message generation method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101175280A (en) * | 2004-09-02 | 2008-05-07 | 华为技术有限公司 | Method for acquiring objective position direction by handhold equipment |
| CN104330081A (en) * | 2014-10-14 | 2015-02-04 | 北京奇虎科技有限公司 | Descriptive position prompt message generation method and device |
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