CN108829895A - Note display method, device and the electronic equipment of electronic map - Google Patents

Note display method, device and the electronic equipment of electronic map Download PDF

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Publication number
CN108829895A
CN108829895A CN201810714352.1A CN201810714352A CN108829895A CN 108829895 A CN108829895 A CN 108829895A CN 201810714352 A CN201810714352 A CN 201810714352A CN 108829895 A CN108829895 A CN 108829895A
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China
Prior art keywords
writing
scale bar
rank
under
shown under
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Pending
Application number
CN201810714352.1A
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Chinese (zh)
Inventor
刘庆军
罗军
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Beijing Qihoo Technology Co Ltd
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Beijing Qihoo Technology Co Ltd
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Application filed by Beijing Qihoo Technology Co Ltd filed Critical Beijing Qihoo Technology Co Ltd
Priority to CN201810714352.1A priority Critical patent/CN108829895A/en
Publication of CN108829895A publication Critical patent/CN108829895A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/003Maps
    • G09B29/006Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes
    • G09B29/007Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes using computer methods

Abstract

The invention discloses a kind of note display method of electronic map, device, electronic equipment and computer readable storage mediums.This method includes:The writing set that record electronic map is shown under the scale bar of each rank;If increasing the weighted value in the writing set that the writing is shown under the scale bar of the specified level in the writing set that some writing is shown under the scale bar of a rank on it in the writing set shown under the scale bar of specified level;Under the current display scale ruler of electronic map, according to the weighted value of each writing in the corresponding writing set of the display scale ruler, annotation is selected to be shown from the corresponding writing set.The present invention realizes the display of writing by inherited characteristics of the same writing under the scale bar of different stage, improves the continuity that the annotation of electronic map is shown.

Description

Note display method, device and the electronic equipment of electronic map
Technical field
The present invention relates to electronic map technique fields, and in particular to a kind of note display method of electronic map, device, electricity Sub- equipment and computer readable storage medium.
Background technique
Annotation refers to mark and various explanatory notes on electronic map, is the important component of electronic map.In electricity In the mapborder of sub- map, area shared by all element annotations is known as annotation density with the ratio between gross area.Annotation density has centainly Limit, annotation density crosses conference and map made to be difficult to read.
In order to which the annotation density guaranteed in electronic map is maintained at reasonable range in the map denotation of each scale bar It is interior, a part of annotation is usually hidden in the map denotation of larger proportion ruler.
However, for important annotation, being required from small scale to large scale in the annotation of electronic map is shown It has been shown that, but under certain level-one scale bar, some important annotation, which is possible to be displayed without, to be come, and the annotation for influencing electronic map is coherent Property.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind State note display method, device, electronic equipment and the computer readable storage medium of the electronic map of problem.
According to one aspect of the present invention, a kind of note display method of electronic map is provided, wherein this method packet It includes:
The writing set that record electronic map is shown under the scale bar of each rank;
Judge in the writing set shown under the scale bar of specified level each writing whether on it one In the writing set shown under the scale bar of rank, the scale bar of the specified level ratio of a rank thereon greatly Ruler;
If some writing rank on it in the writing set shown under the scale bar of specified level In the writing set shown under scale bar, then increase the map that the writing is shown under the scale bar of the specified level Weighted value in annotation set;
Under the current display scale ruler of electronic map, according to each in the corresponding writing set of the display scale ruler The weighted value of writing selects annotation to be shown from the corresponding writing set.
Optionally, the writing set that the record electronic map is shown under the scale bar of each rank, including:
Each writing in electronic map is encoded, electronics is recorded according to the coding of each writing The writing set that map is shown under the scale bar of each rank.
Optionally, the coding in the writing set including multiple writings and corresponding writing weight Value.
Optionally, whether each writing in the writing set shown under the scale bar for judging specified level In the writing set shown under the scale bar of a rank on it, including:
The coding of multiple writings in the writing set shown under the scale bar of specified level is ranked up;
Under the scale bar of specified level after judging sequence in the writing set that shows each writing whether In the writing set shown under the scale bar of a upper rank.
Optionally, described under the current display scale ruler of electronic map, according to the display scale ruler corresponding ground caption The weighted value of each writing in note set, selection annotation, which show, from the corresponding writing set includes:
Under the current display scale ruler of electronic map, according to each in the corresponding writing set of the display scale ruler The weighted value of writing is ranked up various regions caption note;
The writing for selecting weighted value to be greater than preset threshold from the corresponding writing set is shown.
Optionally, whether each writing in the writing set shown under the scale bar for judging specified level In the writing set shown under the scale bar of a rank on it, including:
Judge each map in the writing set shown under the scale bar of each specified level of the electronic map In the writing set on it whether annotation show under the scale bar of a rank.
According to another aspect of the present invention, a kind of annotation display device of electronic map is provided, wherein the device packet It includes:
Storage unit, the writing collection shown under the scale bar of each rank suitable for recording and saving electronic map It closes;
Judging unit, each writing is in the writing set shown under the scale bar suitable for judging specified level In the writing set shown under the no scale bar of a rank on it, the scale bar of the specified level greatly thereon one The scale bar of a rank;
Weighted value changing unit, if suitable for some ground caption in the writing set that is shown under the scale bar of specified level Remember in the writing set shown under the scale bar of a rank on it, then increases the writing in the specified level The weighted value in writing set shown under scale bar;
Annotation display unit, it is corresponding according to the display scale ruler suitable under the current display scale ruler of electronic map The weighted value of each writing in writing set selects annotation to be shown from the corresponding writing set.
Optionally, the storage unit is further adapted for:
Each writing in electronic map is encoded, records and protects according to the coding of each writing Deposit the writing set that electronic map is shown under the scale bar of each rank.
Optionally, the coding in the writing set including multiple writings and corresponding writing weight Value.
Optionally, the judging unit includes:
Writing coding and sorting order module, suitable for more in the writing set that is shown under the scale bar to specified level The coding of a writing is ranked up;
Judgment module, under the scale bar suitable for judging the specified level after sequence in the writing set that shows eachly In the writing set whether caption note shows under the scale bar of a upper rank.
Optionally, the annotation display unit includes:
Writing weighted value sorting module, suitable under the current display scale ruler of electronic map, according to the display ratio The weighted value of each writing in the corresponding writing set of example ruler is ranked up various regions caption note;
Annotation display module, suitable for selecting weighted value to be greater than the map of preset threshold from the corresponding writing set Annotation is shown.
Optionally, the judging unit is further adapted for:
Judge each map in the writing set shown under the scale bar of each specified level of the electronic map In the writing set on it whether annotation show under the scale bar of a rank.
According to another aspect of the present invention, a kind of electronic equipment is provided, wherein the electronic equipment includes:
Processor;And
It is arranged to the memory of storage computer executable instructions, the executable instruction makes the place when executed Reason device executes above-mentioned method.
Another embodiment of the present invention provides a kind of computer readable storage mediums, wherein described computer-readable to deposit Storage media stores one or more programs, and one or more of programs when being executed by a processor, realize above-mentioned method.
According to the technique and scheme of the present invention, the writing collection that record electronic map is shown under the scale bar of each rank It closes;If the scale bar of some writing rank on it in the writing set shown under the scale bar of specified level In the writing set of lower display, then increase the writing collection that the writing is shown under the scale bar of the specified level Weighted value in conjunction;According to the power of each writing in the corresponding writing set of current display scale ruler of electronic map Weight values select annotation to be shown from the corresponding writing set.The present invention is by the same writing in difference Inherited characteristics under the scale bar of rank realize the display of writing, improve the continuity that the annotation of electronic map is shown.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows the flow diagram of the note display method of electronic map according to an embodiment of the invention;
Fig. 2 shows the structural schematic diagrams of the annotation display device of electronic map according to an embodiment of the invention;
Fig. 3 shows the structural schematic diagram of electronic equipment according to an embodiment of the invention;
Fig. 4 shows the structural schematic diagram of computer readable storage medium according to an embodiment of the invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure It is fully disclosed to those skilled in the art.
Fig. 1 shows the flow diagram of the note display method of electronic map according to an embodiment of the invention.Such as Shown in Fig. 1, the method for the embodiment of the present invention includes:
S11:The writing set that record electronic map is shown under the scale bar of each rank;
It should be noted that scale bar refers to diminution degree of the map range than actual range, it is map range/reality The ratio of distance.Scale bar is bigger, and the things being able to reflect is more detailed.
In practical applications, electronic map may be provided with the scale bar of n rank, be from small scale to large scale (M1...Mn)。
S12:Judge whether on it each writing in the writing set shown under the scale bar of specified level In the writing set shown under the scale bar of one rank, the scale bar of specified level rank thereon greatly Scale bar;
It is assumed that the scale bar of specified level is Mi+1, the other scale bar of upper level is Mi, then step S12 be judge than Example ruler Mi+1Whether each writing is in scale bar M in the writing set of lower displayiThe writing set of lower display In.
S13:If some writing grade on it in the writing set shown under the scale bar of specified level In the writing set shown under other scale bar, then increase what the writing was shown under the scale bar of the specified level Weighted value in writing set;S14:It is corresponding according to the display scale ruler under the current display scale ruler of electronic map Writing set in each writing weighted value, from the corresponding writing set select annotation shown Show.
It will be appreciated that in the annotation of electronic map is shown, for important annotation, from small scale to large scale It requires to show, but under certain level-one scale bar, some important annotation, which is possible to be displayed without, to be come.The embodiment of the present invention works as certain A writing is in scale bar MiIn the writing set of lower display, then increase the map label in scale bar Mi+1Lower display Writing set in weighted value show that weighted value is biggishly under current display scale ruler in writing is shown Caption note, improves the continuity that the annotation of electronic map is shown.
The embodiment of the present invention realizes map by inherited characteristics of the same writing under the scale bar of different stage The display of annotation improves the continuity that the writing of electronic map is shown.
In another embodiment of the present invention, the step S11 of method shown in Fig. 1, the record electronic map is each The writing set shown under the scale bar of rank, including:
Each writing in electronic map is encoded, electronics is recorded according to the coding of each writing The writing set that map is shown under the scale bar of each rank.
It will be appreciated that the present invention uniquely encodes each writing in electronic map, i.e., for each A writing assigns unique ID number.
Specifically, the coding in the writing set including multiple writings and corresponding writing weight Value.The corresponding writing set of the scale bar of i.e. each rank include appropriate level scale bar under multiple ground caption for showing The coding of note and corresponding writing weighted value.
In another embodiment of the present invention, the scale bar of specified level is judged described in the step S12 of method shown in Fig. 1 The writing that on it whether each writing show under the scale bar of a rank in the writing set of lower display In set, including:
The coding of multiple writings in the writing set shown under the scale bar of specified level is ranked up;
Under the scale bar of specified level after judging sequence in the writing set that shows each writing whether In the writing set shown under the scale bar of a upper rank.
For example, comparative example ruler Mi+1Multiple writings in the writing set of lower display are ranked up according to coding, Whether each writing of the coding lookup of annotation is in scale bar M according to the mapiIn the writing set of lower display.
In another embodiment of the present invention, in the current display of electronic map described in the step S14 of method shown in Fig. 1 It is corresponding from this according to the weighted value of each writing in the corresponding writing set of the display scale ruler under scale bar Selection annotation, which show, in writing set includes:
Under the current display scale ruler of electronic map, according to each in the corresponding writing set of the display scale ruler The weighted value of writing is ranked up various regions caption note;
The writing for selecting weighted value to be greater than preset threshold from the corresponding writing set is shown.
It will be appreciated that the embodiment of the present invention is according to each map in writing set corresponding under current display scale ruler The weighted value of annotation remembers row sequence from big to small or from small to large into various regions caption, and from the corresponding writing set Middle selection display weighted value is greater than the writing of preset threshold.Preset threshold can be configured according to actual needs.
In another embodiment of the present invention, the scale bar of specified level is judged described in the step S12 of method shown in Fig. 1 The writing that on it whether each writing show under the scale bar of a rank in the writing set of lower display In set, including:
Judge each map in the writing set shown under the scale bar of each specified level of the electronic map In the writing set on it whether annotation show under the scale bar of a rank.
It will be appreciated that the embodiment of the present invention is to the writing set shown under the scale bar of each rank using above-mentioned Method handled, the weighted value of the writing in map annotation set is modified, it is ensured that electronic map is each The continuity that annotation is shown under the scale bar of a rank.
Fig. 2 shows the structural schematic diagrams of the annotation display device of electronic map according to an embodiment of the invention.Such as Shown in Fig. 2, the device of the embodiment of the present invention includes:
Storage unit 21, the writing collection shown under the scale bar of each rank suitable for recording and saving electronic map It closes;
It should be noted that scale bar refers to diminution degree of the map range than actual range, it is map range/reality The ratio of distance.Scale bar is bigger, and the things being able to reflect is more detailed.
In practical applications, electronic map may be provided with the scale bar of n rank, be from small scale to large scale (M1...Mn)。
Judging unit 22, each writing in the writing set shown under the scale bar suitable for judging specified level In the writing set whether on it shown under the scale bar of a rank, the scale bar of the specified level is greatly thereon The scale bar of one rank;
It is assumed that the scale bar of specified level is Mi+1, the other scale bar of upper level is Mi, then step S12 be judge than Example ruler Mi+1Whether each writing is in scale bar M in the writing set of lower displayiThe writing set of lower display In.
Weighted value changing unit 23, if suitable for some map in the writing set that is shown under the scale bar of specified level In the writing set that annotation is shown under the scale bar of a rank on it, then increase the writing in the specified level Scale bar under weighted value in the writing set that shows;
Annotation display unit 24, suitable for being corresponded to according to the display scale ruler under the current display scale ruler of electronic map Writing set in each writing weighted value, from the corresponding writing set select annotation shown Show.
It will be appreciated that in the annotation of electronic map is shown, for important annotation, from small scale to large scale It requires to show, but under certain level-one scale bar, some important annotation, which is possible to be displayed without, to be come.The embodiment of the present invention works as certain A writing is in scale bar MiIn the writing set of lower display, then increase the map label in scale bar Mi+1Lower display Writing set in weighted value show that weighted value is biggishly under current display scale ruler in writing is shown Caption note, improves the continuity that the annotation of electronic map is shown.
The embodiment of the present invention realizes map by inherited characteristics of the same writing under the scale bar of different stage The display of annotation improves the continuity that the annotation of electronic map is shown.
In another embodiment of the present invention, the storage unit 21 of Fig. 2 shown device is further adapted for:
Each writing in electronic map is encoded, records and protects according to the coding of each writing Deposit the writing set that electronic map is shown under the scale bar of each rank.
It will be appreciated that the present invention uniquely encodes each writing in electronic map, i.e., for each A writing assigns unique ID number.
Specifically, the coding in the writing set including multiple writings and corresponding writing weight Value.The corresponding writing set of the scale bar of i.e. each rank include appropriate level scale bar under multiple ground caption for showing The coding of note and corresponding writing weighted value.
In another embodiment of the present invention, the judging unit 22 of Fig. 2 shown device includes:
Writing coding and sorting order module, suitable for more in the writing set that is shown under the scale bar to specified level The coding of a writing is ranked up;
Judgment module, under the scale bar suitable for judging the specified level after sequence in the writing set that shows eachly In the writing set whether caption note shows under the scale bar of a upper rank.
For example, comparative example ruler Mi+1Multiple writings in the writing set of lower display are ranked up according to coding, Whether each writing of the coding lookup of annotation is in scale bar M according to the mapiIn the writing set of lower display.
In another embodiment of the present invention, the annotation display unit 24 of Fig. 2 shown device includes:
Writing weighted value sorting module, suitable under the current display scale ruler of electronic map, according to the display ratio The weighted value of each writing in the corresponding writing set of example ruler is ranked up various regions caption note;
Annotation display module, suitable for selecting weighted value to be greater than the map of preset threshold from the corresponding writing set Annotation is shown.
It will be appreciated that the embodiment of the present invention is according to each map in writing set corresponding under current display scale ruler The weighted value of annotation remembers row sequence from big to small or from small to large into various regions caption, and from the corresponding writing set Middle selection display weighted value is greater than the writing of preset threshold.Preset threshold can be configured according to actual needs.
In another embodiment of the present invention, the judging unit 22 of Fig. 2 shown device is further adapted for:
Judge each map in the writing set shown under the scale bar of each specified level of the electronic map In the writing set on it whether annotation show under the scale bar of a rank.
It will be appreciated that the embodiment of the present invention is to the writing set shown under the scale bar of each rank using above-mentioned Method handled, the weighted value of the writing in map annotation set is modified, it is ensured that electronic map is each The continuity that annotation is shown under the scale bar of a rank.
The device of the embodiment of the present invention can be used for executing above method embodiment, and principle is similar with technical effect, this Place repeats no more.
In conclusion technical solution of the present invention, the map that record electronic map is shown under the scale bar of each rank Annotation set;If some writing rank on it in the writing set shown under the scale bar of specified level In the writing set shown under scale bar, then increase the map that the writing is shown under the scale bar of the specified level Weighted value in annotation set;According to the various regions caption in the corresponding writing set of current display scale ruler of electronic map The weighted value of note selects annotation to be shown from the corresponding writing set.The present invention passes through the same writing Inherited characteristics under the scale bar of different stage realize the display of writing, improve the company that the annotation of electronic map is shown Continuous property.
It should be noted that:
Algorithm and display be not inherently related to any certain computer, virtual bench or other equipment provided herein. Various fexible units can also be used together with teachings based herein.As described above, it constructs required by this kind of device Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects, Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention:It is i.e. required to protect Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore, Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice Microprocessor or digital signal processor (DSP) realize the wearing state of detection electronic equipment according to an embodiment of the present invention Device in some or all components some or all functions.The present invention is also implemented as executing institute here Some or all device or device programs of the method for description are (for example, computer program and computer program produce Product).It is such to realize that program of the invention can store on a computer-readable medium, or can have one or more The form of signal.Such signal can be downloaded from an internet website to obtain, and perhaps be provided on the carrier signal or to appoint What other forms provides.
For example, Fig. 3 shows the structural schematic diagram of electronic equipment according to an embodiment of the invention.The electronic equipment passes It include processor 31 and the memory 32 for being arranged to storage computer executable instructions (program code) on system.Memory 32 can To be the Electronic saving of such as flash memory, EEPROM (electrically erasable programmable read-only memory), EPROM, hard disk or ROM etc Device.Memory 32 has the program code 34 stored for executing any method and step in shown in FIG. 1 and each embodiment Memory space 33.For example, the memory space 33 for program code may include being respectively used to realize in above method Each program code 34 of various steps.These program codes can be read from one or more computer program product or Person is written in this one or more computer program product.These computer program products include such as hard disk, compact-disc (CD), the program code carrier of storage card or floppy disk etc.Such computer program product is usually described in such as Fig. 4 Computer readable storage medium.The computer readable storage medium can have 32 class of memory in the electronic equipment with Fig. 3 Like memory paragraph, the memory space etc. of arrangement.Program code can for example be compressed in a suitable form.In general, storage unit is deposited Contain the program code 41 for executing steps of a method in accordance with the invention, it can read by such as 31 etc processor Program code causes the electronic equipment to execute in method described above when these program codes are run by electronic equipment Each step.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims, Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame Claim.

Claims (10)

1. a kind of note display method of electronic map, wherein this method includes:
The writing set that record electronic map is shown under the scale bar of each rank;
Judge in the writing set shown under the scale bar of specified level each writing whether on it rank Scale bar under in the writing set that shows, the scale bar of the specified level scale bar of a rank thereon greatly;
If the ratio of some writing rank on it in the writing set shown under the scale bar of specified level In the writing set shown under ruler, then increase the writing that the writing is shown under the scale bar of the specified level Weighted value in set;
Under the current display scale ruler of electronic map, according to each map in the corresponding writing set of the display scale ruler The weighted value of annotation selects annotation to be shown from the corresponding writing set.
2. according to the method described in claim 1, wherein, what the record electronic map was shown under the scale bar of each rank Writing set, including:
Each writing in electronic map is encoded, electronic map is recorded according to the coding of each writing The writing set shown under the scale bar of each rank.
3. -2 described in any item methods according to claim 1, wherein include multiple writings in the writing set Coding and corresponding writing weighted value.
4. method according to claim 1-3, wherein the ground shown under the scale bar of the judgement specified level In the writing set that on it whether each writing show under the scale bar of a rank in caption note set, packet It includes:
The coding of multiple writings in the writing set shown under the scale bar of specified level is ranked up;
Whether each writing is upper one in the writing set shown under the scale bar of specified level after judging sequence In the writing set shown under the scale bar of a rank.
5. method according to claim 1-4, wherein it is described under the current display scale ruler of electronic map, According to the weighted value of each writing in the corresponding writing set of the display scale ruler, from the corresponding writing collection Selection annotation, which show, in conjunction includes:
Under the current display scale ruler of electronic map, according to each map in the corresponding writing set of the display scale ruler The weighted value of annotation is ranked up various regions caption note;
The writing for selecting weighted value to be greater than preset threshold from the corresponding writing set is shown.
6. method according to claim 1-5, wherein the ground shown under the scale bar of the judgement specified level In the writing set that on it whether each writing show under the scale bar of a rank in caption note set, packet It includes:
Judge each writing in the writing set shown under the scale bar of each specified level of the electronic map In the writing set whether on it shown under the scale bar of a rank.
7. a kind of annotation display device of electronic map, wherein the device includes:
Storage unit, the writing set shown under the scale bar of each rank suitable for recording and saving electronic map;
Judging unit, in the writing set shown under the scale bar suitable for judging specified level each writing whether In the writing set shown under the scale bar of a rank thereon, the scale bar of a specified level grade thereon greatly Other scale bar;
Weighted value changing unit, if existing suitable for some writing in the writing set that is shown under the scale bar of specified level In the writing set shown under the scale bar of a rank thereon, then increase the writing in the ratio of the specified level The weighted value in writing set shown under ruler;
Annotation display unit, suitable under the current display scale ruler of electronic map, according to the corresponding map of display scale ruler The weighted value of each writing in annotation set selects annotation to be shown from the corresponding writing set.
8. device according to claim 7, wherein the storage unit is further adapted for:
Each writing in electronic map is encoded, electricity is recorded and saved according to the coding of each writing The writing set that sub- map is shown under the scale bar of each rank.
9. a kind of electronic equipment, wherein the electronic equipment includes:
Processor;And
It is arranged to the memory of storage computer executable instructions, the executable instruction makes the processor when executed Execute method according to claim 1 to 6.
10. a kind of computer readable storage medium, wherein the computer-readable recording medium storage one or more program, One or more of programs when being executed by a processor, realize method of any of claims 1-6.
CN201810714352.1A 2018-06-29 2018-06-29 Note display method, device and the electronic equipment of electronic map Pending CN108829895A (en)

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Application publication date: 20181116