CN105677653B - The mask method and device of writing in a kind of electronic map - Google Patents
The mask method and device of writing in a kind of electronic map Download PDFInfo
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- CN105677653B CN105677653B CN201410659585.8A CN201410659585A CN105677653B CN 105677653 B CN105677653 B CN 105677653B CN 201410659585 A CN201410659585 A CN 201410659585A CN 105677653 B CN105677653 B CN 105677653B
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Abstract
The present invention provides the mask methods and device of writing in a kind of electronic map, wherein mask method includes: the attribute information for obtaining the writing in electronic map around threadlike graph and threadlike graph, and attribute information includes: the parameter of the labeling position of writing and the outsourcing frame of writing；Threadlike graph is converted into one or more dotted symbols according to preset pixel value；The pixel value of the attribute information and point symbol of annotation according to the map, obtains the labeling position of writing when writing and point symbol are non-overlapping in electronic map, and is labeled according to the labeling position to map annotation of acquisition.By converting point symbol for threadlike graph and avoiding writing and point symbol, to realize the purpose that writing and threadlike graph quickly avoid.The present invention avoids the two sides that writing is uniformly distributed in threadlike graph using point symbol, simple, efficient, not only improves into figure efficiency, while map is more clear neatly.
Description
Technical field
The present invention relates to the mask methods and dress of writing in electronic map field more particularly to a kind of electronic map
It sets.
Background technique
It is discontinuous that writing and linear ground object gland will cause linear ground object, drawing show it is disorderly and unsystematic, unsightly (such as
Shown in Fig. 1).If writing is arranged evenly along both sides of the road, entire drawing is divided into multiple blocks by road virtual, figure
Face is clean and tidy, human eye find, identifying purpose it is more convenient.Determine whether to need commonly using the intersection of line and symbol in the prior art
It avoids, algorithm is complicated, computationally intensive, and at figure low efficiency.
Summary of the invention
The purpose of the present invention is to provide the mask method and device of writing in a kind of electronic map, by will be linear
Graphics are point symbol and avoid writing and these point symbols, to realize that writing is fast with threadlike graph
The purpose of speed evacuation.
In order to achieve the above object, the present invention provides a kind of mask methods of writing in electronic map, comprising:
Obtain the attribute information of the writing in electronic map around threadlike graph and threadlike graph, attribute information packet
It includes: the parameter of the outsourcing frame of the labeling position and writing of writing；
Threadlike graph is converted into one or more dotted symbols according to preset pixel value；
The pixel value of the attribute information and point symbol of annotation according to the map obtains writing and point in electronic map
The labeling position of writing when shape symbol is non-overlapping, and be labeled according to the labeling position to map annotation of acquisition.
Wherein, the attribute information for obtaining the writing around threadlike graph, specifically includes:
It is ranked up according to the grade point of the importance of the writing around preset threadlike graph；
The writing around threadlike graph is chosen according to collating sequence；
Obtain the attribute information of the writing around the threadlike graph chosen.
Wherein, threadlike graph is converted into one or more dotted symbols according to preset pixel value, specifically included:
Point symbol is converted by each endpoint of threadlike graph, the spacing pixel being arranged between any two points shape symbol is
The pixel of preset minimum annotation symbol in corresponding electronic map；
Middle position between adjacent point symbol increases by a point symbol, until between any two points shape symbol
It is less than the pixel of preset minimum annotation symbol in corresponding electronic map away from pixel.
Wherein, the pixel value of the attribute information and point symbol of annotation according to the map, obtain in electronic map caption
The labeling position of note and the non-overlapping writing of point symbol, and be labeled according to labeling position to map annotation, specifically
Include:
Obtain the box that the ranks that point symbol occupies are staggered to form；
The attribute information that writing is adjusted centered on the box that point symbol occupies, obtains the map in electronic map
The labeling position of annotation and the non-overlapping writing of point symbol, and according to the attribute information of writing adjusted in electricity
Writing is marked in sub- map.
Wherein, the attribute information of writing is adjusted centered on box, obtains writing and point in electronic map
The labeling position of the non-overlapping writing of shape symbol, and according to the attribute information of writing adjusted in electronic map
Writing is marked, is specifically included:
The non-overlapping ranks of the box that occupies with point symbol are found on the box periphery that point symbol occupies to be staggered to form
Box；
The parameter selection of the outsourcing frame of annotation can accommodate the box of the outsourcing frame of writing according to the map；
The mark of writing is carried out in the box of the outsourcing frame for accommodating writing of selection.
The embodiment of the invention also provides a kind of annotation equipments of writing in electronic map, comprising:
Module is obtained, for obtaining the attribute letter of threadlike graph in electronic map and the writing around threadlike graph
Breath, attribute information includes: the parameter of the labeling position of writing and the outsourcing frame of writing；
Conversion module, for threadlike graph to be converted to one or more dotted symbols according to preset pixel value；
Labeling module is obtained for the attribute information of annotation according to the map and the pixel value of point symbol in electronic map
The labeling position of writing when middle writing and point symbol are non-overlapping, and according to the labeling position of acquisition caption over the ground
Note is labeled.
Wherein, obtaining module includes:
Sequencing unit, the grade point for the importance according to the writing around preset threadlike graph carry out
Sequence；
Selection unit, for choosing the writing around threadlike graph according to collating sequence；
First acquisition unit, for obtaining the attribute information of the writing around the threadlike graph chosen.
Wherein, conversion module includes:
First converting unit, for converting point symbol for each endpoint of threadlike graph, setting any two points shape is accorded with
Spacing pixel between number is the pixel of preset minimum annotation symbol in corresponding electronic map；
Second converting unit increases by a point symbol for the middle position between adjacent point symbol, until any
Spacing pixel between two point symbols is less than the pixel of preset minimum annotation symbol in corresponding electronic map.
Wherein, labeling module includes:
Second acquisition unit, the box that the ranks for obtaining point symbol occupancy are staggered to form；
Adjustment unit is obtained for adjusting the attribute information of writing centered on the box that point symbol occupies
The labeling position of writing and the non-overlapping writing of point symbol in electronic map, and according to writing adjusted
Attribute information writing is marked in electronic map.
Wherein, adjustment unit includes:
Processing unit, it is non-overlapping that the box occupied with point symbol is found on the box periphery for occupying in point symbol
The box that ranks are staggered to form；
Selecting unit, the parameter selection of the outsourcing frame for annotation according to the map can accommodate the side of the outsourcing frame of writing
Frame；
Unit is marked, for carrying out the mark of writing in the box of the outsourcing frame for accommodating writing of selection
Note.
The beneficial effects of the present invention are: by by threadlike graph be converted into point symbol and by writing it is dotted with these
Symbol evacuation, to realize the purpose that writing and threadlike graph quickly avoid.The present invention is avoided using point symbol by ground
Caption, which is remembered, is uniformly distributed in the two sides of threadlike graph, such notation methods are not only simple, efficiently, it is high-efficient at scheming, while can be with
So that map layout is more clear neatly.
Detailed description of the invention
Fig. 1 shows the schematic diagrames Chong Die with linear ground object of writing in electronic map；
Fig. 2 indicates the mask method flow chart of steps of writing in electronic map of the embodiment of the present invention；
Fig. 3 indicates to obtain the ground around threadlike graph in electronic map of the embodiment of the present invention in the mask method of writing
The step flow chart of the attribute information of caption note；
Fig. 4 indicates that linear graphics are dotted symbol in the mask method of writing in electronic map of the embodiment of the present invention
Number step flow chart；
Fig. 5 indicates that linear graphics are dotted symbol in the mask method of writing in electronic map of the embodiment of the present invention
Number schematic diagram；
Fig. 6 indicates the mark position for obtaining writing in electronic map of the embodiment of the present invention in the mask method of writing
The step flow chart set；
Fig. 7 indicates that the step of marking writing in electronic map of the embodiment of the present invention in the mask method of writing flows
Cheng Tu；
Fig. 8 shows the mark positions that writing is obtained in the mask method of writing in electronic map of the embodiment of the present invention
Set the schematic diagram for carrying out writing mark；
Fig. 9 is indicated after carrying out writing mark using the mask method of writing in electronic map of the embodiment of the present invention
Schematic diagram；
Figure 10 indicates the annotation equipment block diagram of writing in electronic map of the embodiment of the present invention；
Figure 11 indicates to obtain module frame chart in the annotation equipment of writing in electronic map of the embodiment of the present invention；
Conversion module block diagram in the annotation equipment of writing in Figure 12 expression electronic map of the embodiment of the present invention；
Labeling module block diagram in the annotation equipment of writing in Figure 13 expression electronic map of the embodiment of the present invention；
Adjustment unit block diagram in the annotation equipment of writing in Figure 14 expression electronic map of the embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
Cause threadlike graph discontinuous to solve writing with threadlike graph gland in the prior art, drawing is shown in a jumble
Without chapter, inaesthetic problem, through determining a need for the algorithm of evacuation frequently with intersecting for line and symbol, but this algorithm is multiple
It is miscellaneous, computationally intensive, and at figure low efficiency.The present invention, which is directed to, to be determined whether to need in the prior art using the intersection of line and symbol
It is computationally intensive and calculate complicated problem in the algorithm to be avoided, provide a kind of mask method of writing in electronic map
And device, by converting point symbol for threadlike graph and avoiding writing and these point symbols, to realize ground
The purpose that caption note is quickly avoided with threadlike graph.It is avoided using point symbol and writing is uniformly distributed in threadlike graph
Two sides, not only simply, efficiently, it is high-efficient at scheming, while map is more clear neatly.
As shown in Fig. 2, the embodiment of the present invention provides a kind of mask method of writing in electronic map, the mask method
Include:
Step S100, the attribute information of the writing in electronic map around threadlike graph and threadlike graph is obtained,
Attribute information includes: the parameter of the labeling position of writing and the outsourcing frame of writing；
Step S200, threadlike graph is converted into one or more dotted symbols according to preset pixel value；
Step S300, the pixel value of the attribute information and point symbol of annotation according to the map, with obtaining in electronic map
Caption note with point symbol it is non-overlapping when writing labeling position, and according to the labeling position to map annotation of acquisition into
Rower note.
Wherein, the parameter of the outsourcing frame of the writing in step S100 can reflect the writing in electronic map
In shared region, for example parameter includes length, width and the angle of outsourcing frame, it is of course possible to understanding, in reality of the invention
Apply the parameter that the outsourcing frame of the writing is not limited in example.
It should be noted that the preset pixel value in step S200 can be a unit pixel, it is of course possible to understand
, the preset pixel value is not limited in an embodiment of the present invention.
Further, the two sides that writing is uniformly distributed in threadlike graph are avoided using point symbol, not only
Simply, efficiently, it is high-efficient at scheming, while map is more clear neatly.
As shown in figure 3, step S100 is specifically included in the above embodiment of the present invention:
Step S101, it is arranged according to the grade point of the importance of the writing around preset threadlike graph
Sequence；
Step S102, the writing around threadlike graph is chosen according to collating sequence；
Step S103, the attribute information of the writing around the threadlike graph chosen is obtained.
Specifically, the content of writing includes text or icon, the writing marked will be needed according to presetting
The grade point of importance be ranked up, such as road, water system are set as the first estate value, hotel, theater are set as second etc.
Grade value, is set as tertiary gradient value for small-sized restaurant.The writing around threadlike graph is chosen according to collating sequence and obtains choosing
The attribute information of the writing around threadlike graph taken is believed according to the attribute of the writing around the threadlike graph of acquisition
Breath marks the writing of the first estate value first, then marks the writing of the second grade point, finally mark the tertiary gradient
The writing of value, if after the completion of the writing of the first estate value mark, no vacant position carry out the second grade point and
The mark of the writing of tertiary gradient value, the then mark without the second grade point and the writing of tertiary gradient value.
As shown in figure 4, step S200 is specifically included in the above embodiment of the present invention:
Step S201, point symbol is converted by each endpoint of threadlike graph, be arranged between any two points shape symbol
Spacing pixel is the pixel of preset minimum annotation symbol in corresponding electronic map；
Step S202, the middle position between adjacent point symbol increases by a point symbol, until any two points shape accords with
Spacing pixel between number is less than the pixel of preset minimum annotation symbol in corresponding electronic map.
Specifically, dotted symbol size is 1 pixel when threadlike graph is converted to point symbol, the distance between point symbol
Can freely decide, under normal circumstances using the size of minimum annotation symbol, such as: when minimum annotation symbol width be 9,
When a height of 9, the spacing rule that threadlike graph should be followed when being converted to point symbol is dx=9, dy=9.Threadlike graph conversion
It is exemplified below for the specific method of point symbol, as shown in figure 5, if two adjacent endpoint (A, B) spacing are greater than 9 (dx1-dx2 > 9
Or dy1-dy2 > 9) when, then it needs to increase a point C in the middle position of two o'clock.If between the spacing and B and C between point A and C
Spacing be still greater than 9, then need according to mentioned above principle to increase a point D between A and C and increase a point E between B and C,
And so on, until the spacing between any two points is less than 9.
As shown in fig. 6, step S300 is specifically included in the above embodiment of the present invention:
Step S301, the box that the ranks that point symbol occupies are staggered to form is obtained；
Step S302, the attribute information of writing is adjusted centered on the box that point symbol occupies, and is obtained in electronics
The labeling position of writing and the non-overlapping writing of point symbol in map, and according to the category of writing adjusted
Property information marks writing in electronic map.
Specifically, needing to establish the staggered coordinate of ranks when obtaining the position of point symbol in electronic map, sitting herein
The specific location that can get point symbol in mark then shows that point symbol is located at if the coordinate of point symbol is (4~5,6~7)
In the box that fourth line, fifth line and the 6th column, the 7th column are formed, after searching out this position, using this box as center to map
The attribute information of annotation is adjusted, and when adjustment makes the outsourcing frame size of writing be less than or equal to the box that point symbol occupies
The size of the maximum box on periphery.
As shown in fig. 7, step S302 is specifically included in the above embodiment of the present invention:
Step S3021, the row non-overlapping with the box of point symbol occupancy is found on the box periphery that point symbol occupies
Arrange the box being staggered to form；
Step S3022, according to the map the parameter selection of the outsourcing frame of annotation can accommodate writing outsourcing frame box；
Step S3023, the mark of writing is carried out in the box of the outsourcing frame for accommodating writing of selection.
As shown in figure 8, finding the side that can accommodate the outsourcing frame of writing on 5 periphery of box that point symbol occupies
Frame, such as box 1, box 2, box 3, box 4, box 6, box 7, box 8 and box 9.Due to during above-mentioned adjustment
The outsourcing frame size of writing is less than or equal to the size of the maximum box on the box periphery that point symbol occupies, it is possible to look for
The box for the outsourcing frame that writing can be accommodated at least one, in the side of the determining outsourcing frame that can accommodate writing
In frame, the mark of writing is carried out.
As shown in figure 9, to carry out writing using the mask method of writing in electronic map of the embodiment of the present invention
Schematic diagram after mark, after adopting this method, so that writing is arranged evenly along both sides of the road, entire drawing is by road virtual
Be divided into multiple blocks so that map layout is more clear clean and tidy, human eye finds, identifying purpose it is more convenient.
In order to preferably realize above-mentioned purpose, the embodiment of the invention also provides a kind of marks of writing in electronic map
Dispensing device, as shown in Figure 10, comprising:
Module 10 is obtained, for obtaining the attribute of threadlike graph in electronic map and the writing around threadlike graph
Information, attribute information include: the parameter of the labeling position of writing and the outsourcing frame of writing；
Conversion module 20, for threadlike graph to be converted to one or more dotted symbols according to preset pixel value；
Labeling module 30 is obtained for the attribute information of annotation according to the map and the pixel value of point symbol electronically
The labeling position of writing when writing and point symbol are non-overlapping in figure, and according to the labeling position to map of acquisition
Annotation is labeled.
In the above embodiment of the present invention, as shown in figure 11, obtaining module 10 includes:
Sequencing unit 11, for according to the grade point of the importance of the writing around preset threadlike graph into
Row sequence；
Selection unit 12, for choosing the writing around threadlike graph according to collating sequence；
First acquisition unit 13, for obtaining the attribute information of the writing around the threadlike graph chosen.
In the above embodiment of the present invention, as shown in figure 12, conversion module 20 includes:
Any two points shape is arranged for converting point symbol for each endpoint of threadlike graph in first converting unit 21
Spacing pixel between symbol is the pixel of preset minimum annotation symbol in corresponding electronic map；
Second converting unit 22 increases by a point symbol for the middle position between adjacent point symbol, until appointing
The spacing pixel anticipated between two point symbols is less than the pixel of preset minimum annotation symbol in corresponding electronic map.
In the above embodiment of the present invention, as shown in figure 13, labeling module 30 includes:
Second acquisition unit 31, the box that the ranks for obtaining point symbol occupancy are staggered to form；
Adjustment unit 32 is obtained for adjusting the attribute information of writing centered on the box that point symbol occupies
The labeling position of writing and the non-overlapping writing of point symbol in electronic map, and according to ground adjusted caption
The attribute information of note marks writing in electronic map.
In the above embodiment of the present invention, as shown in figure 14, adjustment unit 32 includes:
The box occupied with point symbol is found without weight in processing unit 321, the box periphery for occupying in point symbol
The box that folded ranks are staggered to form；
The parameter selection of selecting unit 322, the outsourcing frame for annotation according to the map can accommodate the outsourcing frame of writing
Box；
Unit 323 is marked, for carrying out writing in the box of the outsourcing frame for accommodating writing of selection
Mark.
It is dotted by converting threadlike graph in the electronic map of the embodiment of the present invention in the mask method of writing
Symbol simultaneously avoids writing and these point symbols, to realize the purpose that writing and threadlike graph quickly avoid.
The present invention avoids the two sides that writing is uniformly distributed in threadlike graph using point symbol, this method is not only simple, efficiently,
It is high-efficient at scheming, while map cloth office can be made to be more clear neatly.
It should be noted that in electronic map provided by the invention writing the annotation equipment application above method
Device, then all embodiments of the above method are suitable for the device, and can reach the same or similar beneficial effect.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. the mask method of writing in a kind of electronic map characterized by comprising
Obtain the attribute information of the writing in electronic map around threadlike graph and the threadlike graph, the attribute letter
Breath includes: the parameter of the labeling position of writing and the outsourcing frame of writing；
The threadlike graph is converted into one or more dotted symbols according to preset pixel value；
According to the pixel value of the attribute information of the writing and the point symbol, obtain described in the electronic map
The labeling position of writing when writing and the point symbol are non-overlapping, and according to the mark position of acquisition
It sets and the writing is labeled；
It is described according to the attribute information of the writing and the pixel value of point symbol, obtain described in the electronic map
The labeling position of writing and the non-overlapping writing of the point symbol, and according to the labeling position to described
Writing is labeled, and is specifically included:
Obtain the box that the ranks that the point symbol occupies are staggered to form；
The attribute information of the writing is adjusted centered on the box that the point symbol occupies, obtain it is described electronically
The labeling position of writing described in figure and the non-overlapping writing of the point symbol, and according to institute adjusted
The attribute information for stating writing marks the writing in the electronic map.
2. the method as described in claim 1, which is characterized in that the category for obtaining the writing around the threadlike graph
Property information, specifically includes:
It is ranked up according to the grade point of the importance of the writing around the preset threadlike graph；
The writing around the threadlike graph is chosen according to collating sequence；
Obtain the attribute information of the writing around the threadlike graph chosen.
3. method according to claim 2, which is characterized in that described to convert the threadlike graph according to preset pixel value
For one or more dotted symbols, specifically include:
Point symbol is converted by each endpoint of the threadlike graph, the spacing pixel being arranged between any two points shape symbol is
The pixel of preset minimum annotation symbol in corresponding electronic map；
Middle position between adjacent point symbol increases by a point symbol, until the spacing picture between any two points shape symbol
Element is less than the pixel of preset minimum annotation symbol in corresponding electronic map.
4. the method as described in claim 1, which is characterized in that described to adjust the writing centered on the box
Attribute information obtains the writing described in the electronic map and the non-overlapping writing of the point symbol
Labeling position, and described ground caption is marked in the electronic map according to the attribute information of the writing adjusted
Note, specifically includes:
The non-overlapping ranks of the box that occupies with the point symbol are found on the box periphery that the point symbol occupies to interlock
The box of formation；
The box of the outsourcing frame of writing can be accommodated according to the parameter selection of the outsourcing frame of the writing；
The mark of the writing is carried out in the box of the outsourcing frame for accommodating writing of selection.
5. the annotation equipment of writing in a kind of electronic map characterized by comprising
Module is obtained, for obtaining the attribute letter of threadlike graph in electronic map and the writing around the threadlike graph
Breath, the attribute information includes: the parameter of the labeling position of writing and the outsourcing frame of writing；
Conversion module, for the threadlike graph to be converted to one or more dotted symbols according to preset pixel value；
Labeling module, for obtaining described according to the attribute information of the writing and the pixel value of the point symbol
The labeling position of writing when writing described in electronic map and the point symbol are non-overlapping, and according to obtaining
The labeling position taken is labeled the writing；
The labeling module includes:
Second acquisition unit, the box being staggered to form for obtaining the ranks that the point symbol occupies；
Adjustment unit is obtained for adjusting the attribute information of the writing centered on the box that the point symbol occupies
The labeling position of the writing described in the electronic map Yu the non-overlapping writing of the point symbol is taken, and
The writing is marked in the electronic map according to the attribute information of the writing adjusted.
6. device as claimed in claim 5, which is characterized in that the acquisition module includes:
Sequencing unit, the grade point for the importance according to the writing around the preset threadlike graph carry out
Sequence；
Selection unit, for choosing the writing around the threadlike graph according to collating sequence；
First acquisition unit, for obtaining the attribute information of the writing around the threadlike graph chosen.
7. device as claimed in claim 6, which is characterized in that the conversion module includes:
First converting unit, for converting point symbol for each endpoint of the threadlike graph, setting any two points shape is accorded with
Spacing pixel between number is the pixel of preset minimum annotation symbol in corresponding electronic map；
Second converting unit increases by a point symbol for the middle position between adjacent point symbol, until any two points
Spacing pixel between shape symbol is less than the pixel of preset minimum annotation symbol in corresponding electronic map.
8. device as claimed in claim 5, which is characterized in that the adjustment unit includes:
Processing unit, for finding the box occupied with the point symbol without weight on the box periphery that the point symbol occupies
The box that folded ranks are staggered to form；
Selecting unit can accommodate the side of the outsourcing frame of writing for the parameter selection according to the outsourcing frame of the writing
Frame；
Unit is marked, for carrying out the mark of the writing in the box of the outsourcing frame for accommodating writing of selection
Note.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106528937B (en) * | 2016-10-10 | 2020-04-28 | 中广核工程有限公司 | System and method for avoiding label information overlapping based on PDMS (polydimethylsiloxane) map |
| CN108073648A (en) * | 2016-11-15 | 2018-05-25 | 北京四维图新科技股份有限公司 | Electronic map information mask method, apparatus and system |
| CN108205563B (en) * | 2016-12-19 | 2021-09-24 | 北京四维图新科技股份有限公司 | Electronic map information marking method and device and terminal |
| CN108664455B (en) * | 2017-03-30 | 2023-01-03 | 腾讯科技（深圳）有限公司 | Map annotation data processing method and device |
| CN109215486B (en) * | 2018-07-18 | 2021-11-26 | 平安科技（深圳）有限公司 | Electronic map marking and displaying method and device, terminal equipment and storage medium |
| CN110648582A (en) * | 2018-09-30 | 2020-01-03 | 北京奇虎科技有限公司 | Map annotation display method and device based on inheritance characteristics |
| CN110335531A (en) * | 2019-07-24 | 2019-10-15 | 中航材导航技术（北京）有限公司 | Method, apparatus, equipment and the storage medium of chart mark |
| CN111651697A (en) * | 2020-01-10 | 2020-09-11 | 北京嘀嘀无限科技发展有限公司 | Information display method and device, electronic equipment and storage medium |
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