CN106610976B - A kind of POI mask method and device - Google Patents
A kind of POI mask method and device Download PDFInfo
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- CN106610976B CN106610976B CN201510690207.0A CN201510690207A CN106610976B CN 106610976 B CN106610976 B CN 106610976B CN 201510690207 A CN201510690207 A CN 201510690207A CN 106610976 B CN106610976 B CN 106610976B
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- 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
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Abstract
The present invention discloses a kind of POI mask method and device, method comprise determining that POI to be marked in screen；Each POI to be marked is traversed, following steps are executed to the POI to be marked of traversal: generating the corresponding indication range of POI to be marked；POI to be marked is successively subjected to important level height with the mark object in storage unit and indication range plyability judges: when the important level for determining POI to be marked according to judging result, which is lower than, is equal to mark object, if the icon indication range of POI to be marked and the indication range of mark object are non-overlapping, and text importing range with mark object indication range have it is overlapping, then the text importing range of POI to be marked is deleted, and continues to judge with next mark object progress important level height with indication range plyability；All POI to be marked have been traversed, the mark object in storage unit is marked in screen.The present invention improves screen display space utilization rate and mark POI quantity.
Description
Technical field
The present invention relates to electronic map field more particularly to a kind of POI mask methods and device.
Background technique
With the popularity of the internet, user uses electronic map on terminal device (such as mobile phone, tablet computer)
The case where (Electronic Map), is more and more common.Electronic map data includes that (Point of Interest, also referred to as believes POI
Cease point, point of interest etc.), the corresponding attribute information of POI includes latitude and longitude coordinates, title, address, type and other depth informations
(such as picture, phone, shop details introduction).When the electronic map software for being mounted on terminal device receives electronic map exhibition
Show instruction (such as user first switch on electronic map software need to show the electronic map of user, user carry out POI search when
Need to show the electronic map of user, user to need to show electronic map of user etc. when navigating) when, according to end
The geographical location that the screen size of end equipment, terminal device are presently in, from being located on server end for storing electronic map
The POI fallen into screen ranges is extracted in the database of data, and corresponding position shows the figure of the POI in electronic map
Mark and text (such as POI title).Currently, generating one for showing the figure of the POI for the POI for each POI extracted
The indication range of mark and text (such as POI title), i.e. icon and text are shown as a whole in an indication range.
It, may if all being shown on the limited terminal device of size since the POI quantity extracted is usually more
So that there are indication ranges to be overlapped so as to cause the icon between POI and/or gland between title between the closer POI in position
Phenomenon.At present to solve this problem, following solution is proposed: by the POI extracted the and POI that has confirmed that needs mark
The indication range of (subsequent to be known as mark object) carries out plyability judgement, when not being overlapped, which is determined as to mark object；
When overlapping, the low POI of important level or mark object are deleted；The mark object finally retained according to this, and in screen
Corresponding position shows the icon and text of mark object.
Referring to Fig. 1 a, it is assumed that " east Fortune Square " is POI to be marked, and " Xiamen Sheraton Hotel " is mark object, will
The indication range of " Xiamen Sheraton Hotel " and " east Fortune Square " carries out plyability judgement, and obtaining the two has overlapping, and " east
Square Fortune Square " important level is lower, then directly determines deletion " east Fortune Square ", as shown in Figure 1 b.
Foregoing solutions, although solving the problems, such as that gland occurs for icon and text between POI, due to inciting somebody to action
The icon and text of POI show in the same indication range as a whole, i.e., the corresponding indication range of each POI occupies
Screen area is larger, so that the indication range between the adjoining POI in position is higher a possibility that overlapping, therefore,
The prior art is to avoid that gland phenomenon occurs between POI, and it is low to need to occur important level in the POI of indication range overlapping
POI is directly deleted, and is had the following problems: may be deleted the POI of a large amount of low important level, will be used in very maximum probability
The POI that family actually wants to check is deleted, less so as to cause the mark object finally retained, and the POI of user is showed to believe
Breath amount is insufficient；In addition, due to marking object POI negligible amounts, the distance between POI farther out, gap between indication range compared with
Greatly, screen space utilization rate is lower.
Summary of the invention
In order to solve the lesser technological deficiency of screen display space utilization rate in the prior art, the present invention provides a kind of POI
Mask method and device realize under the premise of guaranteeing that each POI icon and text do not occur overlapped, improve screen space
The information content of utilization rate and the POI information for showing user.
A kind of POI mask method, which comprises
Determine POI to be marked in screen；
Each POI to be marked is traversed, following steps are executed to the POI to be marked of traversal:
The corresponding indication range of the POI to be marked is generated, which includes icon indication range and text importing
Range；
The POI to be marked is successively subjected to important level height and indication range weight with the mark object in storage unit
Folded property judgement:
When determining the important level of POI to be marked according to judging result less than or equal to mark object, if POI to be marked
Icon indication range with mark object indication range it is non-overlapping, and text importing range with mark object indication range have
Overlapping then deletes the text importing range in the indication range of POI to be marked, and continues to carry out weight with next mark object
Want grade height and the judgement of indication range plyability；It will using POI to be marked as mark object if no next mark object
The POI to be marked and its indication range are stored into storage unit；
When having traversed all POI to be marked, the mark object in storage unit is marked in screen.
A kind of POI mask method, which comprises
Determine POI to be marked in screen；
Each POI to be marked is traversed, following steps are executed to the POI to be marked of traversal:
The corresponding indication range of the POI to be marked is generated, the indication range includes that icon indication range and text are aobvious
Demonstration is enclosed；
Mark object in the POI to be marked and storage unit is subjected to the judgement of indication range plyability:
Determine there is overlapping mark object set with the indication range of POI to be marked；
The mark object marked in object set is ranked up according to the sequence of important level from high to low, and will be wait mark
It infuses POI and successively carries out important level judgement with the mark object in the mark object set after sequence；
When the important level of POI to be marked less than or equal to mark object when, if the icon indication range of POI to be marked with
Mark object indication range it is non-overlapping, and text importing range with mark object indication range have it is overlapping；It then will be to be marked
Text importing range in the indication range of POI is deleted, and continues to judge with next mark object progress important level height；
The POI to be marked and its indication range are stored to depositing using POI to be marked as mark object if no next mark object
In storage unit；
When having traversed all POI to be marked, the mark object in storage unit is marked in screen.
A kind of POI annotation equipment, described device include: POI determination unit, processing unit and mark unit, wherein described
Processing unit includes traversal subelement, generates subelement and judgment sub-unit and the first processing subelement；
The POI determination unit, for determining POI to be marked in screen；
The traversal subelement for traversing each POI to be marked, and triggers the POI to be marked of traversal and generates son list
Member；
The generation subelement should for generating the corresponding indication range of the POI to be marked and triggering judgment sub-unit
Indication range includes icon indication range and text importing range；
The judgment sub-unit, it is important for successively carrying out the POI to be marked with the mark object in storage unit
Grade height and the judgement of indication range plyability；
The first processing subelement, determines that POI's to be marked is important according to the judging result of judgment sub-unit for working as
When grade is less than or equal to mark object, if the icon indication range of POI to be marked and the indication range of mark object are non-overlapping,
And text importing range with mark object indication range have it is overlapping, then by the text importing in the indication range of POI to be marked
Range is deleted, and trigger judgment sub-unit by the POI to be marked continue to carry out with next mark object important level just and
The judgement of indication range plyability；If no next mark object using POI to be marked as mark object by the POI to be marked and
Its indication range is stored into storage unit；
The mark unit when for having traversed all POI to be marked, marks the mark pair in storage unit in screen
As.
A kind of POI annotation equipment, described device include: POI determination unit, processing unit and mark unit, wherein described
It handles including at traversal subelement, generation subelement, the determining subelement of set, sorting subunit, judgment sub-unit and first
Subelement is managed,
The POI determination unit, for determining POI to be marked in screen；
The traversal subelement for traversing each POI to be marked, and triggers the POI to be marked of traversal and generates son list
Member；
The generation subelement, for generating the corresponding indication range of the POI to be marked, the indication range includes figure
Mark indication range and text importing range；
The set determines subelement, for successively showing POI to be marked with the mark object in storage unit
The plyability of range judges, and determines there is overlapping mark object set with the indication range of POI to be marked；
The sorting subunit, for the mark object in object set will to be marked according to important level from high to low suitable
Sequence is ranked up；
The judgment sub-unit, for by POI to be marked successively with after sequence mark object set in mark object
Carry out important level judgement；
It is described first processing subelement, for when the important level of POI to be marked less than or equal to mark object when, if to
Mark POI icon indication range and mark object indication range it is non-overlapping, and text importing range and mark object show
Demonstration is with overlapping；Then the text importing range in the indication range of POI to be marked is deleted, and triggers the judgment sub-unit
POI to be marked is continued to carry out important level height judgement with next mark object；It will be to if no next mark object
Mark POI stores the POI to be marked and its indication range into storage unit as mark object；
The mark unit, if marking the mark pair in storage unit in screen for having traversed all POI to be marked
As.
Technical solution provided in an embodiment of the present invention, since the indication range generated for POI to be marked includes that icon is shown
Range and text importing range, the i.e. icon of POI and text, which are individually shown, to be shown not as whole show at one
In range, it is subsequent by POI to be marked with mark object be compared when, if the mark object of POI to be marked and high important level
It is not directly to delete the POI to be marked, but icon indication range is not overlapped and text importing model when overlapping
The case where being with overlapping still retains the POI to be marked of the low important level.Therefore, technical solution of the present invention and the prior art
It compares, still is able to retain the text importing range and/or text importing of some only text importing ranges Yu high important level POI
Range has the POI of the low important level of overlapping, and the POI that the screen of identical size is shown compared with prior art is more, from
And realize under the premise of guaranteeing that each POI icon and text do not occur overlapped, improve the letter for showing the POI information of user
Breath amount.In addition, the icon and text of POI are individually shown, therefore generates icon indication range and text importing range and show
Have that technology generates for showing that POI icon is compared with the indication range of text, occupy that screen area is smaller, and icon shows model
Enclose, the gap between text importing range can be smaller, can make full use of screen space.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 a is the schematic diagram of the indication range of POI in the prior art；
Fig. 1 b is the schematic diagram for marking POI in the prior art；
Fig. 2 is one of the flow chart of POI mask method in the embodiment of the present invention one；
Fig. 3 a is the signal that POI indication range includes icon indication range and text importing range in the embodiment of the present invention
Figure；
Fig. 3 b is the schematic diagram that POI is marked in the embodiment of the present invention；
Fig. 4 a is two of the flow chart of POI mask method in the embodiment of the present invention one；
Fig. 4 b is three of the flow chart of POI mask method in the embodiment of the present invention one；
Fig. 5 is the schematic diagram of POI indication range in the embodiment of the present invention；
Fig. 6 is the schematic diagram of icon display frames range and textbox in the embodiment of the present invention；
Fig. 7 is the flow chart of POI mask method provided by Embodiment 2 of the present invention；
Fig. 8 a is one of the POI annotation equipment structural schematic diagram that the embodiment of the present invention three provides；
Fig. 8 b is the POI annotation equipment second structural representation that the embodiment of the present invention three provides；
Fig. 8 c is the POI annotation equipment third structural representation that the embodiment of the present invention three provides；
Fig. 9 a is one of the POI annotation equipment structural schematic diagram that the embodiment of the present invention four provides；
Fig. 9 b is the POI annotation equipment second structural representation that the embodiment of the present invention four provides.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment one:
It referring to fig. 2, is a kind of flow chart of POI mask method provided by the invention.
POI mask method provided in this embodiment includes the following steps:
Step S11: POI to be marked in screen is determined.
In the embodiment of the present invention, step S11 specific implementation can be as follows: according to terminal current location, screen size and electricity
Sub- map scale determines the corresponding longitude and latitude range of the screen, and determines from the database for storing POI data
Latitude and longitude coordinates fall in the POI within the scope of the longitude and latitude out, these POI are determined as to POI to be marked in screen.
Step S12: each POI to be marked of traversal, following steps are executed to the POI to be marked of traversal:
Step S121: generating the corresponding indication range of the POI to be marked, the indication range include icon indication range and
Text importing range.Wherein, icon indication range is used to show that the range of the icon of POI to be marked, text importing range to be used for
Show the range of POI text to be marked (such as POI title).
As to how generating the corresponding indication range of the POI to be marked will introduce below.
Step S122: by the POI to be marked successively in storage unit mark object carry out important level height and
The judgement of indication range plyability:
In the embodiment of the present invention, it is previously provided with storage unit.A kind of situation, the storage unit are initially empty, and will be traversed
First POI be determined as the mark object for needing to mark on the screen and store into storage unit, to the every of subsequent traversal
One POI is handled according to the step of abovementioned steps S121-S122, to obtain mark object.Preferably, this programme is to avoid
Gland occurs for the icon and/or text of the POI of mark and the text (such as road name) of road, and storage unit is not initially sky,
Road and its indication range can be stored in the storage unit in advance, the indication range of the road only includes the text of road
Indication range, the road are the mark object prestored.
Step S123: when determining the important level of POI to be marked according to judging result less than or equal to mark object, if
The icon indication range of POI to be marked and the indication range of mark object are non-overlapping, and text importing range and mark object
Indication range has overlapping, then deletes the text importing range in the indication range of POI to be marked, and continues and next mark
Object carries out important level height and indication range plyability judges that (plyability judgement at this time refers to the figure of POI to be marked
The indication range for marking indication range and next mark object carries out plyability judgement)；It will be wait mark if no next mark object
POI is infused as object is marked, and by the POI to be marked and its indication range, (indication range at this time only includes the figure of POI to be marked
Mark indication range) it stores into storage unit, it will such as be used for the information (such as POI title or No. id) of unique identification POI to be marked
And indication range is stored to storage unit.
In the embodiment of the present invention, includes pre-set important level in the attribute information of each POI, pass through reading
The attribute information of POI can obtain the important level of POI.The important level of different classes of POI can be different, if classification is row
The important level for the POI that administrative division is drawn is higher than the POI of other classifications.Its important level of same category of POI can also be different, such as:
Classification is in the POI of administrative division, and province/municipality directly under the Central Government/autonomous region POI important level is higher than the POI in prefecture-level city, the township Xian He；
Classification is in the POI at sight spot, and the sequence of important level from high to low is followed successively by 5A grades, 4A grades, 3A grades etc.；Classification is hotel
In POI, the sequence of important level from high to low is followed successively by five-pointed star, four stars, three magnitudes.Important level of the present invention to the POI
Specifically how to divide and determine and be not specifically limited, those skilled in the art can sets itself according to the actual situation.
Step S13: when having traversed all POI to be marked, the mark object in storage unit is marked in screen.Shielding
The icon of mark object is shown in curtain in the corresponding icon indication range of the mark object, and/or, in the text of mark object
The text of mark object is shown in indication range.
That is, in the embodiment of the present invention, when having traversed all POI to be marked, the mark object that will be stored in storage unit
It is determined as the object for needing to mark in electronic map, if the indication range that mark object stores in the memory unit only includes figure
When marking indication range, the icon of the mark object is shown in the icon indication range of the mark object on the screen；If showing model
Enclose when only including text importing range the text of the displaying mark object in the text importing of the mark object on the screen
(such as title)；If indication range includes icon indication range and text importing range, on the screen the icon of the mark object
The icon of the mark object is shown in indication range and the mark object is shown within the scope of the text importing of the mark object
Text.
Referring to Fig. 3 a, it is assumed that " east Fortune Square " is POI to be marked, and " Xiamen Sheraton Hotel " is mark object, will
" Xiamen Sheraton Hotel " and " east Fortune Square " carries out important level height and indication range plyability judges, obtains " tall building
The important level of door Sheraton Hotel " is higher than Fortune Square, and the icon indication range of " east Fortune Square " is not overlapped, text
Word indication range has overlapping, therefore, retains the icon indication range of " east Fortune Square ", deletes text importing range.It is subsequent
It is as shown in Figure 3b to mark " east Fortune Square ".
In addition, in practical applications, when the important level of POI to be marked is less than or equal to mark object, in addition to wait mark
The icon indication range for infusing POI and the indication range of mark object are non-overlapping, and the display of text importing range and mark object
Range has overlapping such case, it is also possible to following situation occurs: the icon indication range and mark object of the POI to be marked
Indication range overlapping.For this kind of situation, regardless of the text importing range of POI to be marked and the indication range of mark object are
No overlapping deletes the POI to be marked.Therefore, abovementioned steps S12 further includes step S124, such as Fig. 4 a: step S124, when
When determining the important level of POI to be marked less than or equal to mark object according to judging result, if the icon of POI to be marked is shown
Range is Chong Die with the mark indication range of object, then deletes the POI to be marked.
In practical applications, it is also possible to the case where important level for the POI to be marked occur is higher than the mark object,
For this kind of situation, retain POI to be marked, and the POI to be marked is subjected to important level height with next mark object and is sentenced
The judgement of disconnected and indication range plyability is directly deposited the POI to be marked as mark object if without next mark object
Storage is into storage unit.Preferably, when POI important level to be marked is higher than mark object, to avoid object to be marked and mark
Note object has overlapping, and this programme can also be handled as follows for following two situation:
Situation 1, it is described mark object indication range only include icon indication range, and the icon indication range with it is described
The indication range of POI to be marked has overlapping, then deletes the mark object.
Situation 2, the indication range of the mark object include icon indication range and text importing range, the mark pair
The icon indication range of elephant and the indication range of the POI to be marked are non-overlapping, and text importing range and the POI to be marked
Indication range have overlapping, then retain it is described mark object icon indication range and delete it is described mark object text importing
Range.
Based on foregoing teachings, the embodiment of the present invention can also be in the method flow shown in earlier figures 2 and Fig. 4 a, step
S12 further includes step S125 and/or step S126, as shown in Figure 4 b:
Step S125, when the important level for determining POI to be marked according to judging result is higher than mark object, if the mark
The indication range for infusing object includes icon indication range, and the icon indication range and the indication range of the POI to be marked have
Overlapping, then delete the mark object, and POI to be marked is continued to carry out important level height and display with next mark object
The judgement of range plyability；Using POI to be marked as mark object if no next mark object, by the POI to be marked and its
Indication range is stored into storage unit.
Step S126, when the important level for determining POI to be marked according to judging result is higher than mark object, if the mark
The indication range of note object includes icon indication range and text importing range, the icon indication range of the mark object and institute
The indication range for stating POI to be marked is non-overlapping, and text importing range have with the indication range of the POI to be marked it is overlapping, then
Retain it is described mark object icon indication range and delete it is described mark object text importing range, by POI to be marked after
It is continuous to carry out important level height and the judgement of indication range plyability with next mark object；It will if no next mark object
POI to be marked stores the POI to be marked and its indication range into storage unit as mark object.
In conclusion the present embodiment is in the basic thought to mark object and the choice of POI to be marked, retain the two
The higher icon indication range of middle important level and text importing range, it is lower for important level, if its icon shows model
It encloses and overlaps, then icon indication range and text importing range are all given up；If only text importing range overlaps, protect
Icon indication range is stayed, text importing range is given up.
In the embodiment of the present invention, in step S121, the icon indication range of POI to be marked is generated, can be implemented as follows:
According to the screen coordinate of the POI to be marked and preset icon display frames size, the corresponding icon of the POI to be marked is generated
Indication range.Specifically, can be using the screen coordinate of the POI to be marked as center point-rendering and the icon display frames size
Consistent first area range, by the first area, range is determined as the corresponding icon indication range of the POI to be marked.Referring to
Fig. 5, it is assumed that the screen coordinate of Xiamen City, scenic spot, Gulang Island (hereinafter referred to as " Gulang Island ") is that (350,300) (unit is
Pixel), since the icon display frames of the Gulang Island are circle, the first area range is that the round icon is corresponding
Range, the corresponding icon indication range in the Gulang Island is determined according to the first area range, it is for ease of calculation, described
Icon indication range can be rectangle, specifically, the icon indication range is the square (Fig. 5 for just including the icon
In indicated with the small frame of black squares), it is assumed that the icon display frames are the circle that radius is 5 pixels, then the icon is aobvious
Four vertex that demonstration is enclosed are respectively (355,305), (355,295), (345,305), (345,295), by this four vertex structures
At square covering range be the Gulang Island icon indication range.Certainly, the icon indication range can be with
It is other shapes, such as circle identical with the shape of the icon display frames, the present invention is not specifically limited.
In abovementioned steps S121, the text importing range specific implementation for generating POI to be marked can be as follows: can be according to described
The screen coordinate of POI to be marked, text strings to be shown, fore-and-aft distance between preset icon indication range and text importing range
Difference generates the corresponding text importing range of the POI to be marked.Specifically, can be with
According to the length and character height of the text strings to be shown, the textbox for showing the text strings to be shown is determined
Size；Vertical misalignment amount is determined according to the icon display frames size, textbox size and fore-and-aft distance difference；With described to be marked
Point centered on the screen point of vertical misalignment amount described in POI screen coordinate vertical misalignment is drawn consistent with the textbox size
The second area range is determined as the corresponding text importing range of the POI to be marked by second area range.
Assuming that icon display frames are rectangle, a length of a1, width b1, textbox is rectangle, long a2, width b2, it is longitudinal away from
Deviation is d (d can be more than or equal to 0 numerical value for one), and POI screen coordinate to be marked is point O (x0,y0), it is determined that it is described
Offset is (d+0.5b1+0.5b2).Then by POI screen coordinate point O (x to be marked0,y0) offset described in vertical misalignment obtains
Screen point be O ' (x1,y1), wherein x1=x0,y1=y0±(d+0.5b1+0.5b2).Described in Fig. 6, d=0, textbox position
In the lower section of icon display frames, in practical applications, the textbox may be located on the top of icon display frames.
In addition, in practical applications, according to the length and character height of the text strings to be shown, determine display it is described to
The textbox size of display text strings, which can be accomplished in that, judges whether the length of the text strings to be shown is greater than
Preset uniline length threshold, if so, being split to obtain at least one Ziwen word string to the text strings to be shown, and will
The quantity of Ziwen word string is determined as line number；If otherwise determining, line number is 1；It is determined in textbox size according to line number and character height
Width (e.g., the product of character height and line number is determined as to the width in textbox size)；It determines in Ziwen word string most
Angle value is greatly enhanced, which is determined as to the length of the textbox size.
In the present embodiment, in order to realize that display is beautiful, uniline length threshold is set, if the length of the display text strings
Greater than uniline length threshold, then multirow is divided to show the display text strings.Such as Fig. 5, display text strings " Xiamen City's drum
The length of the scenic spot Lang Yu " is more than uniline length threshold, therefore the display text strings are divided to obtain two sub- texts
String is respectively " Xiamen City's drum wave " and " small island scenic spot ", the length of the two word text strings is without departing from preset list
Row length threshold, it is thus determined that two rows is divided to show.The uniline character that the height of the textbox of the display text strings is twice is high
Degree, the length of the textbox are the length of longer Ziwen word string " small island scenic spot ".In order to show beauty, all texts
Word can be set to be shown centered on.
Certainly, it above-mentioned implementation and does not constitute a limitation of the invention, those skilled in the art can also be according to specific
It is required that designed, designed.
It is above-mentioned when being split to obtain at least one Ziwen word string to the text strings to be shown, if the display text
String for Chinese when, divide it is relatively simple, if but the display text strings include English when, due to English with word be one anticipate
Group, therefore need in segmentation the integrality in view of word and meaning.Specifically, can be realized with following steps:
The character in text strings to be shown is successively traversed using the first character of the text strings to be shown as starting point, and is tired out
Add traversal character length, when cumulative character length is equal to uniline length threshold, judges traversal character and next word recently
Whether symbol is letter；If it is not, be then split using the nearest traversal character as separation, and using character late as starting point after
Character in continuous traversal text strings to be shown；If so, the upper decollator closed on using the nearest traversal character is separation
It is split, and continues to traverse the character in text strings to be shown as starting point using next character of the separator.
For example, it is assumed that uniline length threshold is 8 characters, " Scite Tower SCITECH TOWER " is split.From
One word " match " is counted, and each Chinese character is that two characters judge the word traversed recently when counting up to the 8th character
According with " tall building " is Chinese, and character late is " S ", therefore is split using the nearest traversal character as separation, and segmentation result is
" Scite Tower/SCITECH TOWER "；Then, be that starting point continues to traverse with alphabetical " S ", a letter is a character, time
When going through to the 8th character, judge that the character traversed recently is space, character late is alphabetical " T ", therefore with this nearest time
It goes through character to be split for separation, segmentation result is " Scite Tower/SCITECH/TOWER ".
For another example assuming that uniline length threshold is 14 characters, to " Beijing Fengtai Chenliu
Elementary School " is split, and is started counting from first letter " B ", when counting up to the 14th character " a ",
Judge the character " a " traversed recently and character late " i " is letter, is then closed on the nearest traversal character upper
One decollator is split for separation, and segmentation result is " Beijing/Fengtai Chenliu Elementary
School".Since the second row after segmentation exceeds uniline preset length, it is therefore desirable to divide again.By " Beijing " as the
A line is counted again since the first letter " F " of the second row, when counting up to the 14th character " i ", is judged recently
The character " i " and character late " u " of traversal are letter, then to traverse the upper decollator that character closes on recently as boundary
Point is split, and segmentation result is " Beijing/Fengtai/Chenliu Elementary School ".After segmentation
Third line character also exceed uniline preset length, therefore can be split according to method as above, can also be according to preset
The regulation pressure of at most three rows of display is shown in uniline.In addition, in practical applications, the first line character after calculating
It is less than the length of third line character with the accumulative total length of the second line character, the first row and the second row can be merged.Such as
Above-mentioned segmentation result is the first line character in the example of " Beijing/Fengtai/Chenliu Elementary School "
Several and the second line character number is 8, and the number of characters added up is 16, is less than the third line number of characters 25, therefore by the first row and the
Two line characters merge, and the result after merging is " Beijing Fengtai/Chenliu Elementary School ".
Embodiment two
In example 1, the POI to be marked and mark object carry out important level one by one and plyability judges, and
In the present embodiment, the mark object to overlap with POI to be marked is first extracted, then another one carries out important level and specific
Plyability judgement.
It is a kind of flow chart of POI mask method provided by Embodiment 2 of the present invention referring to Fig. 7.
POI mask method provided in this embodiment includes the following steps:
Step S21: POI to be marked in screen is determined.
Step S22: each POI to be marked of traversal, following steps are executed to the POI to be marked of traversal:
Step S221: the corresponding indication range of the POI to be marked is generated, the indication range includes icon indication range
With text importing range.
Step S222: carrying out the judgement of indication range plyability for the mark object in the POI to be marked and storage unit,
Determine there is overlapping mark object set with the indication range of POI to be marked.
Step S223: the mark object marked in object set is arranged according to the sequence of important level from high to low
Sequence；
Step S224: POI to be marked is successively carried out with the mark object in the mark object set after sequence important etc.
Grade judgement.
Step S225: when the important level of POI to be marked is less than or equal to mark object, if the icon of POI to be marked
Indication range and mark object indication range it is non-overlapping, and text importing range with mark object indication range have it is overlapping；
Then the text importing range in the indication range of POI to be marked is deleted, and continues to carry out with next mark object important etc.
Grade height judges；Using POI to be marked as mark object by the POI to be marked and its display if no next mark object
Range is stored into storage unit.
Step S23: when having traversed all POI to be marked, the mark object in storage unit is marked in screen.
The method flow that the embodiment of the present invention three is protected, can be the following steps are included: work as the weight of the POI to be marked
When grade being wanted to be higher than the mark object, if the display model of the icon indication range of the POI to be marked and the mark object
Overlapping is enclosed, then deletes the POI to be marked.
In the present embodiment, it is first determined going out has overlapping mark object set with the indication range of POI to be marked, then
POI to be marked is successively subjected to important level with the mark object in mark object set again and plyability judges.Actually answering
, may there are following situations in: the POI to be marked of traversal with the mark object A lower than the POI important level to be marked
During carrying out plyability judgement, since the indication range of the mark object A and the icon of the POI to be marked show model
It encloses and/or text importing range is overlapped, and the mark object A is deleted.Then, during traversal, the POI to be marked
In the judging result judged with mark object B progress plyability more higher than its important level to delete the POI to be marked, that
The mark object A deleted before is unable to get recovery, reduces the information content for being shown in display screen.
In order to overcome this problem, the present embodiment is before the judgement for carrying out important level, by the mark object set
In mark object be ranked up according to the height of important level.For example, the POI to be marked is pressed after important level sorts
Sequence first should carry out plyability judgement with mark object B, then carry out plyability judgement with mark object A again.With mark
During object B carries out plyability judgement, judging result is to delete the POI to be marked, since POI to be marked does not have also at this time
Have and carry out plyability judgement with mark object A, therefore the mark object A can be retained, display screen is shown more
More POI information, meets the needs of users.
Based on a kind of POI mask method that the method embodiment one provides, the embodiment of the present invention three is additionally provided and reality
It applies the corresponding POI annotation equipment of example one, its working principle is described in detail with reference to the accompanying drawing.
Embodiment three
Referring to Fig. 8 a, which is a kind of structural schematic diagram of POI annotation equipment provided by the invention.
POI point annotation equipment provided in this embodiment include: POI determination unit 11, processing unit 12 and mark unit 13,
Wherein, the processing unit 12 includes traversal subelement 121, generates subelement 122, judgment sub-unit 123 and the first processing
Unit 124；
The POI determination unit 11 is connect with the processing unit 12, the processing unit 12 and the mark unit 13
Connection；The traversal subelement 121 is connect with the generation subelement 122, the generation subelement 122 and judgement
The first processing subelement 124 in unit 123 connects；
The POI determination unit 11, for determining POI to be marked in screen；
The traversal subelement 121 for traversing each POI to be marked, and triggers the POI to be marked of traversal and generates son
Unit 122；
The generation subelement 122, for generating the corresponding indication range of the POI to be marked, which includes
Icon indication range and text importing range；
The judgment sub-unit 123, for the POI to be marked successively to be carried out with the mark object in storage unit to weight
Want grade height and the judgement of indication range plyability；
The first processing subelement 124, determines POI to be marked according to 123 judging results of judgment sub-unit for working as
Important level less than or equal to mark object when, if the icon indication range of POI to be marked and mark object indication range
It is non-overlapping, and text importing range with mark object indication range have it is overlapping, then by the text in the indication range of POI to be marked
Word indication range is deleted, and triggers judgment sub-unit 123 continues the POI to be marked and the progress of next mark object is important etc.
Grade height and the judgement of indication range plyability；This is waited for using POI to be marked as mark object if no next mark object
Mark POI and its indication range are stored into storage unit；
The mark unit 13 when for having traversed all POI to be marked, marks the mark in storage unit in screen
Object.
In this embodiment, under the premise of important level of the important level of the POI to be marked lower than mark object, if
The POI to be marked only has text importing range and overlaps with the indication range for marking object, and the figure of the POI to be marked
Indication range of the mark indication range not with mark object overlaps, then the icon that can retain the POI to be marked is shown
Range only deletes the text importing range of the POI to be marked.Accordingly, with respect to the prior art, the present embodiment exists
More POI information can be shown in limited screen space, met the needs of users.
In another embodiment, the processing unit 12 further includes at second to be connected with judgment sub-unit 123
Subelement 125 is managed, as shown in Figure 8 b.Second processing subelement 125, for being determined when according to 123 judging result of judgment sub-unit
When the important level of POI to be marked is less than or equal to mark object, if the icon indication range of POI to be marked and mark object
Indication range overlapping, then delete the POI to be marked.
In another embodiment, the processing unit 123 further includes at the third being connected with judgment sub-unit 123
Reason single 126 and/or fourth process subelement 127, as shown in Figure 8 c, in which:
The third handles subelement 126, for being higher than mark when the important level for determining POI to be marked according to judging result
Infuse object when, if it is described mark object indication range include icon indication range, and the icon indication range with described wait mark
The indication range of note POI has overlapping, then deletes the mark object；And trigger judgment sub-unit 123 by POI to be marked continue with
Next mark object carries out important level height and the judgement of indication range plyability, will be wait mark if without next mark object
POI is infused as mark object, the POI to be marked and its indication range are stored into storage unit；
Fourth process subelement 127, for when the important level for determining POI to be marked according to judgment sub-unit judging result
When higher than mark object, if the indication range of the mark object includes icon indication range and text importing range, the mark
Infuse object icon indication range and the POI to be marked indication range it is non-overlapping, and text importing range with described wait mark
The indication range of note POI has overlapping, then retains the icon indication range of the mark object and delete the text of the mark object
Word indication range, and trigger judgment sub-unit 123 and continue POI to be marked to carry out important level height with next mark object
Judge with indication range plyability；It is using POI to be marked as mark object if no next mark object, this is to be marked
POI and its indication range are stored into storage unit.
The generation subelement 122, is specifically used for: according to the screen coordinate of the POI to be marked and preset icon exhibition
Show frame size, generates the corresponding icon indication range of the POI to be marked；And it is sat according to the screen of the POI to be marked
Mark, text strings to be shown, fore-and-aft distance is poor between preset icon indication range and text importing range, generates described to be marked
The corresponding text importing range of POI.Generate the icon indication range and text importing range of POI to be marked, concrete implementation skill
Art means can be found in the content recorded in embodiment one, and details are not described herein.
Example IV
Based on a kind of POI mask method that the example two provides, the embodiment of the present invention four is additionally provided and the method pair
Its working principle is described in detail with reference to the accompanying drawing in the POI annotation equipment answered.
Referring to Fig. 9 a, which is a kind of structural schematic diagram of POI annotation equipment provided by the invention.
POI point annotation equipment provided in this embodiment include: POI determination unit 21, processing unit 22 and mark unit 23,
Wherein, the processing unit 22 includes traversal subelement 221, generation subelement 222, gathers determining subelement 223, sequence son list
Member 224, judgment sub-unit 225 and the first processing subelement 226；
The POI determination unit 21 is connect with the processing unit 22, the processing unit 22 and the mark unit 23
Connection；The traversal subelement 221 is connect with the generation subelement 222, and the generation subelement 222 and the set are true
Stator unit 223 connects, and the set determines that subelement 223 is connect with the sorting subunit 224, the sorting subunit
224 connect with the judgment sub-unit 225, first processing subelement 226, judgment sub-unit 225 and the first processing subelement
226 connections；
The POI determination unit 21, for determining POI to be marked in screen；
The traversal subelement 221, for traversing each POI to be marked, and described in activation and to the POI to be marked of traversal
Triggering generates subelement 222；
The generation subelement 222, for generating the corresponding indication range of the POI to be marked, the indication range packet
Include icon indication range and text importing range；
The set determines subelement 223, for successively showing POI to be marked with the mark object in storage unit
The plyability enclosed of demonstrating judges, and determines there is overlapping mark object set with the indication range of POI to be marked；
The sorting subunit 224, for the mark object in object set will to be marked according to important level from high to low
Sequence be ranked up；
The judgment sub-unit 225, for by POI to be marked successively with after sequence mark object set in mark pair
As carrying out important level judgement；
It is described first processing subelement 2251, for when the important level of POI to be marked less than or equal to mark object when,
If the icon indication range of POI to be marked and the indication range of mark object are non-overlapping, and text importing range and mark object
Indication range have overlapping；Then the text importing range in the indication range of POI to be marked is deleted, and triggers judgement
Unit continues POI to be marked to carry out important level height judgement with next mark object；If no next mark object
The POI to be marked and its indication range are stored into storage unit using POI to be marked as mark object；
The mark unit 23, if marking the mark in storage unit in screen for having traversed all POI to be marked
Object.
In another embodiment, the processing unit 22 further includes at second to be connected with judgment sub-unit 225
Subelement 227 is managed, as shown in figure 9b, second processing subelement 227 is used to be higher than institute when the important level of the POI to be marked
When stating mark object, if the icon indication range of the POI to be marked is Chong Die with the mark indication range of object, delete
The POI to be marked.
It should be noted that those of ordinary skill in the art will appreciate that realizing the whole in above method embodiment or portion
Split flow is relevant hardware can be instructed to complete by computer program, and the program can be stored in a computer
In read/write memory medium, the program is when being executed, it may include such as the process of above-mentioned each method embodiment.Wherein, the storage
Medium can be magnetic disk, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random
Access Memory, RAM) etc..
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device reality
For applying example, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to embodiment of the method
Part explanation.The apparatus embodiments described above are merely exemplary, wherein described be used as separate part description
Unit and module may or may not be physically separated.Furthermore it is also possible to select it according to the actual needs
In some or all of unit and module achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying
In the case where creative work, it can understand and implement.
The above is only a specific embodiment of the invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (15)
1. a kind of POI mask method, which is characterized in that the described method includes:
Determine POI to be marked in screen；
Each POI to be marked is traversed, following steps are executed to the POI to be marked of traversal:
The corresponding indication range of the POI to be marked is generated, which includes icon indication range and text importing range；
The POI to be marked is successively subjected to important level height and indication range plyability with the mark object in storage unit
Judgement:
When determining the important level of POI to be marked according to judging result less than or equal to mark object, if the figure of POI to be marked
It marks indication range and the indication range of mark object is non-overlapping, and text importing range and the indication range of mark object have weight
It is folded, then the text importing range in the indication range of POI to be marked is deleted, and continue to carry out with next mark object important
Grade height and the judgement of indication range plyability；It should using POI to be marked as mark object if no next mark object
POI to be marked and its indication range are stored into storage unit；
When having traversed all POI to be marked, the mark object in storage unit is marked in screen.
2. the method according to claim 1, wherein generating the corresponding indication range of the POI to be marked, specifically
Include:
According to the screen coordinate of the POI to be marked and preset icon display frames size, it is corresponding to generate the POI to be marked
Icon indication range；And
According to the screen coordinate of the POI to be marked, text strings to be shown, preset icon indication range and text importing range
Between fore-and-aft distance it is poor, generate the corresponding text importing range of the POI to be marked.
3. according to the method described in claim 2, it is characterized in that, according to the screen coordinate of the POI to be marked and preset
Icon display frames size generates the corresponding icon indication range of the POI to be marked, specifically includes: with the POI's to be marked
Screen coordinate is center point-rendering and the consistent first area range of the icon display frames size, and the first area range is true
It is set to the corresponding icon indication range of the POI to be marked；
According to the screen coordinate of the POI to be marked, text strings to be shown, preset icon indication range and text importing range
Between fore-and-aft distance it is poor, generate the corresponding text importing range of the POI to be marked, specifically include: according to the text to be shown
The length and character height of word string determine the textbox size for showing the text strings to be shown；According to the icon display frames
Size, textbox size and fore-and-aft distance difference determine vertical misalignment amount；Described in the POI screen coordinate vertical misalignment to be marked
Point centered on the screen point of vertical misalignment amount, drafting and the consistent second area range of the textbox size, by secondth area
Domain range is determined as the corresponding text importing range of the POI to be marked.
4. according to the method described in claim 3, it is characterized in that, high according to the length of the text strings to be shown and character
Degree determines the textbox size for showing the text strings to be shown, specifically includes:
Judge whether the length of the text strings to be shown is greater than preset uniline length threshold, if so, to described to be shown
Text strings are split to obtain at least one Ziwen word string, and the quantity of Ziwen word string is determined as line number；If otherwise determining row
Number is 1；
The width in textbox size is determined according to line number and character height；
It determines the maximum length value in Ziwen word string, which is determined as to the length of the textbox size.
5. according to the method described in claim 4, it is characterized in that, it is described to the text strings to be shown be split to obtain to
Few sub- text strings, specifically include:
The character in text strings to be shown, and cumulative time are successively traversed using the first character of the text strings to be shown as starting point
Character length is gone through, when cumulative character length is equal to uniline length threshold, judges that traversal character and next character are recently
No is letter；
If it is not, being then split using the nearest traversal character as separation, and continue to traverse to aobvious using character late as starting point
Show the character in text strings；
If so, being split using the upper separator that the nearest traversal character closes on as separation, and with the separator
Next character is that starting point continues to traverse the character in text strings to be shown.
6. described in any item methods according to claim 1~5, which is characterized in that further include:
When determining the important level of POI to be marked according to judging result less than or equal to mark object, if the figure of POI to be marked
It is Chong Die with the mark indication range of object to mark indication range, then deletes the POI to be marked.
7. described in any item methods according to claim 1~5, which is characterized in that further include:
When the important level for determining POI to be marked according to judging result is higher than mark object, if the display of the mark object
Range includes icon indication range, and the icon indication range has overlapping with the indication range of the POI to be marked, then deletes institute
Mark object is stated, continues POI to be marked to carry out important level height with next mark object and indication range plyability is sentenced
It is disconnected；
And/or
When the important level for determining POI to be marked according to judging result is higher than mark object, if the display of the mark object
Range includes icon indication range and text importing range, the icon indication range of the mark object and the POI to be marked
Indication range it is non-overlapping, and text importing range has overlapping with the indication range of the POI to be marked, then retains the mark
The icon indication range of object and the text importing range for deleting the mark object, POI to be marked is continued and next mark
It infuses object and carries out important level height and the judgement of indication range plyability；
Using POI to be marked as mark object if no next mark object, the POI to be marked and its indication range are stored
Into storage unit.
8. a kind of POI mask method, which is characterized in that the described method includes:
Determine POI to be marked in screen；
Each POI to be marked is traversed, following steps are executed to the POI to be marked of traversal:
The corresponding indication range of the POI to be marked is generated, the indication range includes icon indication range and text importing model
It encloses；
Mark object in the POI to be marked and storage unit is subjected to the judgement of indication range plyability:
Determine there is overlapping mark object set with the indication range of POI to be marked；
The mark object marked in object set is ranked up according to the sequence of important level from high to low, and will be to be marked
POI successively carries out important level judgement with the mark object in the mark object set after sequence；
When the important level of POI to be marked is less than or equal to mark object, if the icon indication range of POI to be marked and mark
The indication range of object is non-overlapping, and text importing range with mark object indication range have it is overlapping；Then by POI's to be marked
Text importing range in indication range is deleted, and continues to judge with next mark object progress important level height；If nothing
Next mark object then stores the POI to be marked and its indication range using POI to be marked as mark object single to storage
In member；
When having traversed all POI to be marked, the mark object in storage unit is marked in screen.
9. according to the method described in claim 8, it is characterized by further comprising:
When the important level of the POI to be marked is higher than the mark object, if the icon indication range of the POI to be marked
It is Chong Die with the mark indication range of object, then delete the POI to be marked.
10. a kind of POI annotation equipment, which is characterized in that described device includes: that POI determination unit, processing unit and mark are single
Member, wherein the processing unit includes traversal subelement, generates subelement and judgment sub-unit and the first processing subelement；
The POI determination unit, for determining POI to be marked in screen；
The traversal subelement for traversing each POI to be marked, and triggers the POI to be marked of traversal and generates subelement；
The generation subelement, for generating the corresponding indication range of the POI to be marked and triggering judgment sub-unit, the display
Range includes icon indication range and text importing range；
The judgment sub-unit, for the POI to be marked successively to be carried out important level with the mark object in storage unit
Height and the judgement of indication range plyability；
The first processing subelement, for when the important level for determining POI to be marked according to the judging result of judgment sub-unit
When less than or equal to mark object, if the icon indication range of POI to be marked and the indication range of mark object are non-overlapping, and text
Word indication range with mark object indication range have it is overlapping, then by the text importing range in the indication range of POI to be marked
It deletes, and triggers judgment sub-unit and continue the POI to be marked to carry out important level height and display with next mark object
The judgement of range plyability；It by the POI to be marked and its is shown if no next mark object using POI to be marked as mark object
Demonstration, which is enclosed, to be stored into storage unit；
The mark unit when for having traversed all POI to be marked, marks the mark object in storage unit in screen.
11. device according to claim 10, which is characterized in that the generation subelement is specifically used for:
According to the screen coordinate of the POI to be marked and preset icon display frames size, it is corresponding to generate the POI to be marked
Icon indication range；And
According to the screen coordinate of the POI to be marked, text strings to be shown, preset icon indication range and text importing range
Between fore-and-aft distance it is poor, generate the corresponding text importing range of the POI to be marked.
12. device described in 0 or 11 according to claim 1, which is characterized in that the processing unit further includes that second processing is single
Member；
The second processing subelement, for when determining that POI's to be marked is important etc. according to the judgment sub-unit judging result
When grade is less than or equal to mark object, if the icon indication range of POI to be marked is Chong Die with the mark indication range of object, delete
Except the POI to be marked.
13. device described in 0 or 11 according to claim 1, which is characterized in that the processing unit further includes that third processing is single
Member and/or fourth process subelement；
The third handles subelement, for when the important level height for determining POI to be marked according to judgment sub-unit judging result
When marking object, if it is described mark object indication range include icon indication range, and the icon indication range with it is described
The indication range of POI to be marked has overlapping, then deletes the mark object, and triggers judgment sub-unit and continue POI to be marked
Important level height and the judgement of indication range plyability are carried out with next mark object, it will be to if without next mark object
POI is marked as mark object, the POI to be marked and its indication range are stored into storage unit；
Fourth process subelement, for being higher than mark when the important level for determining POI to be marked according to judgment sub-unit judging result
When infusing object, if the indication range of the mark object includes icon indication range and text importing range, the mark object
Icon indication range and the POI to be marked indication range it is non-overlapping, and text importing range and the POI to be marked
Indication range has overlapping, then retains the icon indication range of the mark object and delete the text importing model of the mark object
It encloses, and triggers judgment sub-unit and continue POI to be marked to carry out important level height and indication range with next mark object
Plyability judgement；Using POI to be marked as mark object if no next mark object, by the POI to be marked and its display
Range is stored into storage unit.
14. a kind of POI annotation equipment, which is characterized in that described device includes: that POI determination unit, processing unit and mark are single
Member, wherein described handle includes traversing subelement, generation subelement, gathering determining subelement, sorting subunit, the sub- list of judgement
Member and the first processing subelement,
The POI determination unit, for determining POI to be marked in screen；
The traversal subelement for traversing each POI to be marked, and triggers the POI to be marked of traversal and generates subelement；
The generation subelement, for generating the corresponding indication range of the POI to be marked, the indication range includes that icon is aobvious
Demonstration is enclosed and text importing range；
The set determines subelement, for POI to be marked successively to be carried out indication range with the mark object in storage unit
Plyability judgement, and determine there is overlapping mark object set with the indication range of POI to be marked；
The sorting subunit, for will mark the mark object in object set according to important level sequence from high to low into
Row sequence；
The judgment sub-unit, for successively carrying out POI to be marked with the mark object in the mark object set after sequence
Important level judgement；
It is described first processing subelement, for when the important level of POI to be marked less than or equal to mark object when, if to be marked
The icon indication range of POI and the indication range of mark object are non-overlapping, and the display model of text importing range and mark object
It is with overlapping；Then the text importing range in the indication range of POI to be marked is deleted, and triggering the judgment sub-unit will be to
POI is marked to continue to judge with next mark object progress important level height；It will be to be marked if no next mark object
POI stores the POI to be marked and its indication range into storage unit as mark object；
The mark unit, if marking the mark object in storage unit in screen for having traversed all POI to be marked.
15. device according to claim 14, which is characterized in that the processing unit further includes second processing subelement；
The second processing subelement, for when the important level of the POI to be marked be higher than the mark object when, if described
The icon indication range of POI to be marked is Chong Die with the mark indication range of object, then deletes the POI to be marked.
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| CN109002451B (en) * | 2017-06-07 | 2021-01-12 | 杭州海康威视系统技术有限公司 | Map data thinning method and device |
| CN107478217B (en) * | 2017-08-16 | 2019-09-13 | 城市生活（北京）资讯有限公司 | A kind of POI display methods and device |
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| CN108334624A (en) * | 2018-02-09 | 2018-07-27 | 城市生活（北京）资讯有限公司 | A kind of POI identification processing methods and device |
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