CN104713544A - Location information display method and equipment - Google Patents
Location information display method and equipment Download PDFInfo
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- CN104713544A CN104713544A CN201310687461.6A CN201310687461A CN104713544A CN 104713544 A CN104713544 A CN 104713544A CN 201310687461 A CN201310687461 A CN 201310687461A CN 104713544 A CN104713544 A CN 104713544A
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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
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Abstract
The present invention discloses a location information display method and equipment, and solves the problems of poor user experience of navigate modes in the prior art. The method is as follows: acquiring first position information of a user in an electronic map; determining second position information of the user in the electronic map according to a pre established tourism map picture and the mapping relation of regions in the same geographical area of the electronic map and the tourism map picture; and displaying a mark for characterizing the user's current location at a position coordinate indicated by the second position information in the tourism map picture.
Description
Technical field
The present invention relates to digital map navigation technical field, particularly relate to a kind of display packing and equipment of positional information.
Background technology
At present, user obtains map and the positional information of self in tourist attractions mainly through following two kinds of modes:
First kind of way: the special navigator that tourist attractions provide or navigation Service.This mode can not only make user know the positional information of self, can also provide abundant sight spot information and very comprehensively serve, such as sight spot explanation service or tourism route planning service etc.If but user wants use above-mentioned special navigator or enjoy navigation Service, then need for special navigator or navigation Service are checked, the cost compare that visible this mode needs is high;
The second way, the electronic equipment of individual is installed general electronic chart and corresponding navigational system.Although this mode also can obtain the positional information of self, but compared with the map provided with tourist attractions, the map that tourist attractions provide is visually more attractive in appearance, and more detailed sight spot information can also be provided, and the sight spot information provided in electronic chart is just more coarse by contrast, therefore more user is more ready the map that uses tourist attractions to provide.
As can be seen here, also do not have a kind of mode that user can be made can to obtain the positional information of self in real time at present, can obtain again detailed sight spot information attractive in appearance, also do not need higher cost, therefore Consumer's Experience is poor.
Summary of the invention
The embodiment of the present invention provides a kind of determination method and apparatus of positional information, in order to solve the poor problem of Consumer's Experience that user in prior art exists when obtaining own location information.
The embodiment of the present invention is by the following technical solutions:
A display packing for positional information, comprising:
Obtain the primary importance information of user in electronic chart;
Represent the mapping relations in the region of identical geographic range according in the travel folder picture set up in advance and described electronic chart with described travel folder picture, determine the second place information of described user in described travel folder picture;
Position coordinates place display indicated by second place information in described travel folder picture is used for the icon of the current present position of characterizing consumer.
Wherein, set up described mapping relations in advance, specifically comprise:
Obtain travel folder picture;
According to lateral length, longitudinal width of described travel folder picture, and the position coordinates of at least two location points respectively in described travel folder picture and described electronic chart that user specifies, in described electronic chart, determine the portions of electronics map representing identical geographic range with described travel folder picture;
Set up the mapping relations of each location point in each location point and described portions of electronics map in described travel folder picture.
Wherein, determine described portions of electronics map in described electronic chart before, described method also comprises:
According to the adjustment instruction of user's input, adjust the bearing sense of described travel folder picture, make the bearing sense of described travel folder picture identical with the bearing sense of described electronic chart.
Wherein, set up the mapping relations of each location point in each location point and described portions of electronics map in described travel folder picture, specifically comprise:
Extract the geometric properties of the solid in described portions of electronics map and described travel folder picture;
By the similarity of the geometric properties of the solid in more described portions of electronics map and described travel folder picture, similarity is greater than the location point that the solid in the described portions of electronics map of the similarity threshold pre-set and described travel folder picture comprises and sets up mapping relations;
Circulation performs following assigned operation successively, till the segmentation granularity of the solid be less than in the described portions of electronics map of described similarity threshold and described travel folder picture until similarity reaches the segmentation threshold pre-set;
Described assigned operation comprises: split the solid that similarity is less than in the described portions of electronics map of described similarity threshold and described travel folder picture; Extract the geometric properties of the described portions of electronics map after segmentation and the solid in described travel folder picture; By comparing the similarity of the geometric properties of the solid in the described portions of electronics map after segmentation and described travel folder picture, similarity being greater than the location point that the solid in the described portions of electronics map of described similarity threshold and described travel folder picture comprises and setting up mapping relations; And judge whether the segmentation granularity of the solid that similarity is less than in the described portions of electronics map of described similarity threshold and described travel folder picture reaches the segmentation threshold pre-set;
According to the location point of built vertical mapping relations in described portions of electronics map and described travel folder picture, the location point not setting up mapping relations is done and maps process, set up mapping relations in described portions of electronics map and described travel folder picture.
Wherein, according to the displaying ratio of described portions of electronics map and described travel folder picture, and the location point of built vertical mapping relations in described portions of electronics map and described travel folder picture, the location point not setting up mapping relations in described portions of electronics map and described travel folder picture is done and maps process, set up mapping relations, specifically comprise:
Circulation performs following step, till in described travel folder picture, in each location point and described portions of electronics map, each location point all sets up mapping relations:
From described portions of electronics map built vertical mapping relations location point in, choose two nearest location points;
The mid point of these two nearest location points is mapped to the mid point of two location points corresponding to location point nearest with these two in described travel folder picture.
A display device for positional information, comprising:
Primary importance information acquisition unit, for obtaining the primary importance information of user in electronic chart;
Second place information determination unit, for according to the mapping relations representing the region of identical geographic range in the travel folder picture set up in advance and described electronic chart with described travel folder picture, determine the second place information of described user in described travel folder picture;
The display of the position coordinates indicated by the second place information determined by second place information determination unit in described travel folder picture is for the icon of the current present position of characterizing consumer.
Wherein, described equipment also comprises: mapping relations set up unit, and described mapping relations are set up unit and specifically comprised:
Travel folder picture acquisition module, for obtaining travel folder picture;
Portions of electronics map determination module, for lateral length, the longitudinal width of described travel folder picture that obtain according to travel folder picture acquisition module, and the position coordinates of at least two location points respectively in described travel folder picture and described electronic chart that user specifies, in described electronic chart, determine the portions of electronics map representing identical geographic range with described travel folder picture;
Mapping relations set up module, for setting up the mapping relations of each location point in described portions of electronics map that in described travel folder picture that travel folder picture acquisition module obtains, each location point and portions of electronics map determination module are determined.
Wherein, described mapping relations are set up unit and are also comprised:
Adjusting module, for the adjustment instruction inputted according to user, the bearing sense of the described travel folder picture that adjustment travel folder picture acquisition module obtains, makes the bearing sense of described travel folder picture identical with the bearing sense of described electronic chart.
Wherein, described mapping relations set up module, specifically comprise:
First extracts submodule, for extracting the geometric properties of the solid in described portions of electronics map and described travel folder picture;
First mapping relations set up submodule, for the similarity of geometric properties by comparing the solid in described portions of electronics map and described travel folder picture that the first extraction submodule extracts, similarity being greater than the location point that the solid in the described portions of electronics map of the similarity threshold pre-set and described travel folder picture comprises and setting up mapping relations; And circulation performs following assigned operation successively, till the segmentation granularity of the solid be less than in the described portions of electronics map of described similarity threshold and described travel folder picture until similarity reaches the segmentation threshold pre-set;
Described assigned operation comprises: split the solid that similarity is less than in the described portions of electronics map of described similarity threshold and described travel folder picture; Extract the geometric properties of the described portions of electronics map after segmentation and the solid in described travel folder picture; By comparing the similarity of the geometric properties of the solid in the described portions of electronics map after segmentation and described travel folder picture, similarity being greater than the location point that the solid in the described portions of electronics map of described similarity threshold and described travel folder picture comprises and setting up mapping relations; And judge whether the segmentation granularity of the solid that similarity is less than in the described portions of electronics map of described similarity threshold and described travel folder picture reaches the segmentation threshold pre-set;
Second mapping relations set up submodule, for setting up the location point of built vertical mapping relations in described portions of electronics map and described travel folder picture that submodule obtains according to the first mapping relations, the location point not setting up mapping relations in described portions of electronics map and described travel folder picture is done and maps process, set up mapping relations.
Wherein, described second mapping relations set up submodule, specifically for:
Circulation performs following step, till in described travel folder picture, in each location point and described portions of electronics map, each location point all sets up mapping relations:
From described portions of electronics map built vertical mapping relations location point in, choose two nearest location points; The mid point of these two nearest location points is mapped to the mid point of two location points corresponding to location point nearest with these two in described travel folder picture.
The beneficial effect of the embodiment of the present invention is as follows:
By obtaining the primary importance information of user in electronic chart in the technical program, and represent the mapping relations in the region of identical geographic range according in the travel folder picture set up in advance and electronic chart with described travel folder picture, determine the second place information of user in travel folder picture, and then the position coordinates indicated by second place information in travel folder picture goes out the icon of display for the current present position of characterizing consumer, neither need the extra cost being increased in tourist attractions, attractive in appearance and the travel folder picture that sight spot information is detailed can be utilized again to obtain self current present position, greatly improve Consumer's Experience.
Accompanying drawing explanation
The display packing of a kind of positional information that Fig. 1 provides for the embodiment of the present invention realize schematic diagram;
The process flow diagram setting up the mapping relations of travel folder picture and electronic chart that Fig. 2 provides for the embodiment of the present invention;
The structural framing figure of the system for realizing said method that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the display device of a kind of unknown message that Fig. 4 provides for the embodiment of the present invention.
Embodiment
In order to solve the poor problem of Consumer's Experience that user in prior art exists when obtaining own location information, applicant proposed a kind of display packing of positional information and the scheme of equipment.The technical program is by obtaining the primary importance information of user in electronic chart, and represent the mapping relations in the region of identical geographic range according in the travel folder picture set up in advance and electronic chart with described travel folder picture, determine the second place information of user in travel folder picture, and then the position coordinates indicated by second place information in travel folder picture goes out the icon of display for the current present position of characterizing consumer, neither need the extra cost being increased in tourist attractions, attractive in appearance and the travel folder picture that sight spot information is detailed can be utilized again to obtain self current present position, greatly improve Consumer's Experience.
Below in conjunction with Figure of description, embodiments of the invention are described, should be appreciated that embodiment described herein is only for instruction and explanation of the present invention, is not limited to the present invention.And when not conflicting, the embodiment in this explanation and the feature of embodiment can be combined with each other.
Embodiments provide a kind of display packing of positional information, as shown in Figure 1, be the realization flow figure of the method, mainly comprise the steps:
Step 11, obtains the primary importance information of user in electronic chart;
At present, in the electronic equipment (mobile terminal such as such as mobile phone) of user, the electronic chart that some have navigation feature all can be installed in advance, user can adopt and obtain self current positional information based on the mode such as satellite positioning signal and cordless communication network, and shows in electronic chart.
Step 12, according to the mapping relations in region representing identical geographic range in the travel folder picture set up in advance and electronic chart with travel folder picture, determines the second place information of user in travel folder picture.
Step 13, the display of the position coordinates place indicated by second place information in travel folder picture is used for the icon of the current present position of characterizing consumer.
Below the process of establishing of the mapping relations of travel folder picture and electronic chart in step 12 is described in detail, as shown in Figure 2, for setting up the process flow diagram of the mapping relations of travel folder picture and electronic chart.
Step 21, obtains travel folder picture.
This travel folder picture can be obtained by the mode of web download, also can be that user uses electronic equipment to carry out shooting acquisition to entity travel folder, and which both can be common shooting also can be pan-shot.
Step 22, according to the adjustment instruction of user's input, the bearing sense of adjustment travel folder picture, makes the bearing sense of travel folder picture identical with the bearing sense of electronic chart.
Wherein, this step 22 is optional step.If the bearing sense of the travel folder picture obtained is identical with the bearing sense of electronic chart, then can not perform this step, but in order to the follow-up accuracy when setting up the mapping relations of travel folder picture and electronic chart can be improved further, the travel folder picture obtained can be finely tuned, improve degree of accuracy.
Step 23, according to lateral length, longitudinal width of described travel folder picture, and the position coordinates of at least two location points respectively in travel folder picture and electronic chart that user specifies, in electronic chart, determine the portions of electronics map representing identical geographic range with travel folder picture.
In this step, need to provide at least two location points as benchmark, and obtain the position coordinates of these at least two location points respectively in travel folder picture and electronic chart respectively, then at least two location points, select two location points, and according to the relative position of these two location points in travel folder picture and electronic chart selected, in electronic chart, determine the portions of electronics map representing identical geographic range with travel folder picture.
It should be noted that, if as the location point of benchmark more than two, so every two location points just can determine that one represents the portions of electronics map of identical geographic range with travel folder picture, now, the area the best part electronic chart determined can be selected, with guarantee follow-up when setting up mapping relations accuracy rate higher.
Be described for the concrete reciprocal process of two location points to this step below:
Such as user provides two location point a and b, wherein, location point a is La in travel folder picture, its position coordinates is (HLa, VLa), and location point b is Lb in travel folder picture, its position coordinates is (HLb, VLb), then can determine that the distance between La and Lb is D (La, Lb);
Location point a is Ma in electronic chart, and its position coordinates is (HMa, VMa), and location point b is Mb in electronic chart, and its position coordinates is (HMb, VMb), then can determine that the distance between Ma and Mb is D (Ma, Mb);
So when the lateral length of travel folder picture is HL, when longitudinal width is VL, then represent with travel folder picture in electronic chart that the relative position of the initial point distance Ma point of the portions of electronics map of identical geographic range should be
and the lateral length of portions of electronics map should be
longitudinal length should be
Step 24, sets up the mapping relations of each location point in each location point and portions of electronics map in travel folder picture.
This step can realize in the following manner:
Step a, Extraction parts is desired to make money or profit the geometric properties of the solid in travel folder picture electronically, and the geometric properties of solid can comprise: the edge feature of edge lines and the shape facility of shape area;
Step b, by the similarity of the geometric properties of the solid in rating unit electronic chart and travel folder picture, similarity is greater than the location point that the solid in the portions of electronics map of the similarity threshold pre-set and travel folder picture comprises and sets up mapping relations;
Wherein, if the similarity of the geometric properties of the multiple solids in the geometric properties of a solid in portions of electronics map and travel folder picture is all greater than similarity threshold, then can using the immediate solid of relative position in the travel folder picture corresponding with this solid in portions of electronics map as the solid setting up mapping relations;
If the similarity of the geometric properties of the multiple solids in the geometric properties of a solid in travel folder picture and portions of electronics map is all greater than similarity threshold, also set up mapping relations according to above-mentioned rule.
Step c, splits the solid that similarity is less than in the portions of electronics map of similarity threshold and travel folder picture;
Steps d, extracts the geometric properties of the portions of electronics map after segmentation and the solid in described travel folder picture;
Step e, by comparing the similarity of the geometric properties of the solid in the portions of electronics map after segmentation and travel folder picture, similarity being greater than the location point that the solid in the portions of electronics map of similarity threshold and travel folder picture comprises and setting up mapping relations;
And continue to return for the similarity solid be still less than in the portions of electronics map of similarity threshold and travel folder picture and perform step c, till the segmentation granularity of the solid be less than in the portions of electronics map of similarity threshold and travel folder picture until similarity reaches the segmentation threshold pre-set;
Finally, according to the location point of vertical mapping relations built in portions of electronics map and travel folder picture, the location point not setting up mapping relations is done and maps process, set up mapping relations in portions of electronics map and travel folder picture.
Concrete, this step can specifically comprise:
Circulation performs following step, till in travel folder picture, in each location point and portions of electronics map, each location point all sets up mapping relations:
From portions of electronics map built vertical mapping relations location point in, choose two nearest location points;
The mid point of these two nearest location points is mapped to the mid point of two location points corresponding to location point nearest with these two in travel folder picture.
The technical program compared with prior art, by obtaining the primary importance information of user in electronic chart, and according to representing the mapping relations in region of identical geographic range in the travel folder picture set up in advance and electronic chart with travel folder picture, determine the second place information of user in travel folder picture, and then the position coordinates indicated by second place information in travel folder picture goes out the icon of display for the current present position of characterizing consumer, neither need the extra cost being increased in tourist attractions, attractive in appearance and the travel folder picture that sight spot information is detailed can be utilized again to obtain self current present position, greatly improve Consumer's Experience.
According to the such scheme that the embodiment of the present invention provides, system for realizing said method can comprise: the coupling module of entity travel folder picture acquisition module, human-computer interaction module, map picture and electronic chart, electronic chart memory module, GPS (Global Positioning System, GPS) locating module and display module.As shown in Figure 3, be the structural framing figure of this system.Wherein, entity travel folder picture acquisition module can support user by commonly to take pictures, panorama takes pictures or directly obtain travel folder picture from modes such as server downloads; Human-computer interaction module determines the scope of the electronic chart needing contrast by the position coordinates of some reference points respectively in travel folder picture and electronic chart that reception user provides; Each position in the electronic chart that each position in travel folder picture and electronic chart memory module store by map picture and the coupling module of electronic chart associates, and sets up mapping relations; The real time position of the mapping relations dynamically displaying user on travel folder picture set up in the coupling module of the customer position information that display module obtains according to GPS locating module and map picture and electronic chart.
Based on above-mentioned design, the embodiment of the present invention provides a kind of display device of positional information, is illustrated in figure 4 the structural representation of this equipment, mainly comprises:
Primary importance information acquisition unit 41, for obtaining the primary importance information of user in electronic chart;
Second place information determination unit 42, for according to the mapping relations representing the region of identical geographic range in the travel folder picture set up in advance and described electronic chart with described travel folder picture, determine the second place information of described user in described travel folder picture;
Display unit 43 is for the icon of the position coordinates display indicated by the second place information determined by second place information determination unit 42 in described travel folder picture for the current present position of characterizing consumer.
Wherein, this equipment can also comprise: mapping relations set up unit 44, and described mapping relations are set up unit 44 and can specifically be comprised:
Travel folder picture acquisition module 441, for obtaining travel folder picture;
Portions of electronics map determination module 442, for lateral length, the longitudinal width of described travel folder picture that obtain according to travel folder picture acquisition module 441, and the position coordinates of at least two location points respectively in described travel folder picture and described electronic chart that user specifies, in described electronic chart, determine the portions of electronics map representing identical geographic range with described travel folder picture;
Mapping relations set up module 443, for setting up the mapping relations of each location point in described portions of electronics map that in described travel folder picture that travel folder picture acquisition module 441 obtains, each location point and portions of electronics map determination module 442 are determined.
Wherein, described mapping relations are set up unit 44 and can also be comprised:
Adjusting module 444, for the adjustment instruction inputted according to user, the bearing sense of the described travel folder picture that adjustment travel folder picture acquisition module obtains, makes the bearing sense of described travel folder picture identical with the bearing sense of described electronic chart.
Wherein, described mapping relations set up module 443, can specifically comprise:
First extracts submodule 4431, for extracting the geometric properties of the solid in described portions of electronics map and described travel folder picture;
First mapping relations set up submodule 4432, for the similarity of geometric properties by comparing the solid in described portions of electronics map and described travel folder picture that the first extraction submodule 4431 extracts, similarity being greater than the location point that the solid in the described portions of electronics map of the similarity threshold pre-set and described travel folder picture comprises and setting up mapping relations; And circulation performs following assigned operation successively, till the segmentation granularity of the solid be less than in the described portions of electronics map of described similarity threshold and described travel folder picture until similarity reaches the segmentation threshold pre-set;
Described assigned operation comprises: split the solid that similarity is less than in the described portions of electronics map of described similarity threshold and described travel folder picture; Extract the geometric properties of the described portions of electronics map after segmentation and the solid in described travel folder picture; By comparing the similarity of the geometric properties of the solid in the described portions of electronics map after segmentation and described travel folder picture, similarity being greater than the location point that the solid in the described portions of electronics map of described similarity threshold and described travel folder picture comprises and setting up mapping relations; And judge whether the segmentation granularity of the solid that similarity is less than in the described portions of electronics map of described similarity threshold and described travel folder picture reaches the segmentation threshold pre-set;
Second mapping relations set up submodule 4433, for setting up the location point of built vertical mapping relations in described portions of electronics map and described travel folder picture that submodule 4432 obtains according to the first mapping relations, the location point not setting up mapping relations in described portions of electronics map and described travel folder picture is done and maps process, set up mapping relations.
Wherein, described second mapping relations set up submodule 4433, can be specifically for:
Circulation performs following step, till in described travel folder picture, in each location point and described portions of electronics map, each location point all sets up mapping relations:
From described portions of electronics map built vertical mapping relations location point in, choose two nearest location points; The mid point of these two nearest location points is mapped to the mid point of two location points corresponding to location point nearest with these two in described travel folder picture.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a display packing for positional information, is characterized in that, comprising:
Obtain the primary importance information of user in electronic chart;
Represent the mapping relations in the region of identical geographic range according in the travel folder picture set up in advance and described electronic chart with described travel folder picture, determine the second place information of described user in described travel folder picture;
Position coordinates place display indicated by second place information in described travel folder picture is used for the icon of the current present position of characterizing consumer.
2. the method for claim 1, is characterized in that, sets up described mapping relations in advance, specifically comprises:
Obtain travel folder picture;
According to lateral length, longitudinal width of described travel folder picture, and the position coordinates of at least two location points respectively in described travel folder picture and described electronic chart that user specifies, in described electronic chart, determine the portions of electronics map representing identical geographic range with described travel folder picture;
Set up the mapping relations of each location point in each location point and described portions of electronics map in described travel folder picture.
3. method as claimed in claim 2, it is characterized in that, determine described portions of electronics map in described electronic chart before, described method also comprises:
According to the adjustment instruction of user's input, adjust the bearing sense of described travel folder picture, make the bearing sense of described travel folder picture identical with the bearing sense of described electronic chart.
4. method as claimed in claim 2, is characterized in that, sets up the mapping relations of each location point in each location point and described portions of electronics map in described travel folder picture, specifically comprises:
Extract the geometric properties of the solid in described portions of electronics map and described travel folder picture;
By the similarity of the geometric properties of the solid in more described portions of electronics map and described travel folder picture, similarity is greater than the location point that the solid in the described portions of electronics map of the similarity threshold pre-set and described travel folder picture comprises and sets up mapping relations;
Circulation performs following assigned operation successively, till the segmentation granularity of the solid be less than in the described portions of electronics map of described similarity threshold and described travel folder picture until similarity reaches the segmentation threshold pre-set;
Described assigned operation comprises: split the solid that similarity is less than in the described portions of electronics map of described similarity threshold and described travel folder picture; Extract the geometric properties of the described portions of electronics map after segmentation and the solid in described travel folder picture; By comparing the similarity of the geometric properties of the solid in the described portions of electronics map after segmentation and described travel folder picture, similarity being greater than the location point that the solid in the described portions of electronics map of described similarity threshold and described travel folder picture comprises and setting up mapping relations; And judge whether the segmentation granularity of the solid that similarity is less than in the described portions of electronics map of described similarity threshold and described travel folder picture reaches the segmentation threshold pre-set;
According to the location point of built vertical mapping relations in described portions of electronics map and described travel folder picture, the location point not setting up mapping relations is done and maps process, set up mapping relations in described portions of electronics map and described travel folder picture.
5. method as claimed in claim 4, it is characterized in that, according to the displaying ratio of described portions of electronics map and described travel folder picture, and the location point of built vertical mapping relations in described portions of electronics map and described travel folder picture, the location point not setting up mapping relations in described portions of electronics map and described travel folder picture is done and maps process, set up mapping relations, specifically comprise:
Circulation performs following step, till in described travel folder picture, in each location point and described portions of electronics map, each location point all sets up mapping relations:
From described portions of electronics map built vertical mapping relations location point in, choose two nearest location points;
The mid point of these two nearest location points is mapped to the mid point of two location points corresponding to location point nearest with these two in described travel folder picture.
6. a display device for positional information, is characterized in that, comprising:
Primary importance information acquisition unit, for obtaining the primary importance information of user in electronic chart;
Second place information determination unit, for according to the mapping relations representing the region of identical geographic range in the travel folder picture set up in advance and described electronic chart with described travel folder picture, determine the second place information of described user in described travel folder picture;
Display unit, for the icon of the position coordinates display indicated by the second place information determined by second place information determination unit in described travel folder picture for the current present position of characterizing consumer.
7. equipment as claimed in claim 6, it is characterized in that, described equipment also comprises: mapping relations set up unit, and described mapping relations are set up unit and specifically comprised:
Travel folder picture acquisition module, for obtaining travel folder picture;
Portions of electronics map determination module, for lateral length, the longitudinal width of described travel folder picture that obtain according to travel folder picture acquisition module, and the position coordinates of at least two location points respectively in described travel folder picture and described electronic chart that user specifies, in described electronic chart, determine the portions of electronics map representing identical geographic range with described travel folder picture;
Mapping relations set up module, for setting up the mapping relations of each location point in described portions of electronics map that in described travel folder picture that travel folder picture acquisition module obtains, each location point and portions of electronics map determination module are determined.
8. equipment as claimed in claim 7, it is characterized in that, described mapping relations are set up unit and are also comprised:
Adjusting module, for the adjustment instruction inputted according to user, the bearing sense of the described travel folder picture that adjustment travel folder picture acquisition module obtains, makes the bearing sense of described travel folder picture identical with the bearing sense of described electronic chart.
9. equipment as claimed in claim 7, it is characterized in that, described mapping relations set up module, specifically comprise:
First extracts submodule, for extracting the geometric properties of the solid in described portions of electronics map and described travel folder picture;
First mapping relations set up submodule, for the similarity of geometric properties by comparing the solid in described portions of electronics map and described travel folder picture that the first extraction submodule extracts, similarity being greater than the location point that the solid in the described portions of electronics map of the similarity threshold pre-set and described travel folder picture comprises and setting up mapping relations; And circulation performs following assigned operation successively, till the segmentation granularity of the solid be less than in the described portions of electronics map of described similarity threshold and described travel folder picture until similarity reaches the segmentation threshold pre-set;
Described assigned operation comprises: split the solid that similarity is less than in the described portions of electronics map of described similarity threshold and described travel folder picture; Extract the geometric properties of the described portions of electronics map after segmentation and the solid in described travel folder picture; By comparing the similarity of the geometric properties of the solid in the described portions of electronics map after segmentation and described travel folder picture, similarity being greater than the location point that the solid in the described portions of electronics map of described similarity threshold and described travel folder picture comprises and setting up mapping relations; And judge whether the segmentation granularity of the solid that similarity is less than in the described portions of electronics map of described similarity threshold and described travel folder picture reaches the segmentation threshold pre-set;
Second mapping relations set up submodule, for setting up the location point of built vertical mapping relations in described portions of electronics map and described travel folder picture that submodule obtains according to the first mapping relations, the location point not setting up mapping relations in described portions of electronics map and described travel folder picture is done and maps process, set up mapping relations.
10. equipment as claimed in claim 9, it is characterized in that, described second mapping relations set up submodule, specifically for:
Circulation performs following step, till in described travel folder picture, in each location point and described portions of electronics map, each location point all sets up mapping relations:
From described portions of electronics map built vertical mapping relations location point in, choose two nearest location points; The mid point of these two nearest location points is mapped to the mid point of two location points corresponding to location point nearest with these two in described travel folder picture.
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