CN106204566B - Outdoor scene hand-drawing map cutting method and device, intelligent guide realization method and system - Google Patents
Outdoor scene hand-drawing map cutting method and device, intelligent guide realization method and system Download PDFInfo
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- CN106204566B CN106204566B CN201610524867.6A CN201610524867A CN106204566B CN 106204566 B CN106204566 B CN 106204566B CN 201610524867 A CN201610524867 A CN 201610524867A CN 106204566 B CN106204566 B CN 106204566B
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Abstract
The invention discloses a kind of outdoor scene hand-drawing map cutting method and devices, intelligent guide realization method and system, the cutting method includes the position for determining outdoor scene hand-drawing map first in third party's map, then it is worth the resolution ratio of the outdoor scene hand-drawing map according to the latitude and longitude coordinates in the upper left corner of outdoor scene hand-drawing map and the lower right corner, and then the maximum map grade of the outdoor scene hand-drawing map is obtained, then it will be stored in respectively under same file folder after outdoor scene hand-drawing map etc. point slice according to different map grades.Entire map is carried out cutting by this method, and big map is divided into small map and is then saved, as user in use, making the loading efficiency of map higher during loading.The present invention, which also compensates for nowadays many map operators, can not provide the defect for being suitble to the traveled map of Chinese overseas trip.
Description
Technical field
The present invention relates to image processing method more particularly to outdoor scene hand-drawing map cutting methods and device, intelligent guide reality
Existing method and system.
Background technique
According to statistics, Chinese overseas trip number has come into " hundred million person-times ", has been increased to 10 times or more compared to 1998, and
Also continuing to increase.Due to more and more Chinese citizen's overseas trips, also bring problems, first is that serviced under line it is mating with
On not, tour guide's number and quality do not catch up with growth paces much；Second is that those departure free walker users that tour guide does not lead,
Because unmanned explanation and language communication cultural difference, can not understand scenery and showpiece rich culture intension, should stay to numerous
The humanity of ornamental, the fine taste of foot, history Landscape Lamp are all often to have a glance at, turn a blind eye to, and which results in tourist resources
Significant wastage.Such case, a kind of road guide being able to solve ordinary user's overseas trip process are occupy, scenic spot realistic picture is shown
And the technology of guide to visitors and phonetic explaining becomes extremely important.Now most of is all mainly by Google Maps, Amap
Or Baidu map etc. reaches positioning based on GPS positioning chip, and voice broadcast mould is triggered according to the movement routine of user
Block achievees the purpose that playing user position attachment sight spot explains, to realize speech guide service.But for China
The scenic spot of continent overseas, due to politics and safety factor, the mobile phone terminal of country's factory eliminates Google's service enlarging, leads to nothing
Method uses Google Maps map, cannot achieve guide to visitors service overseas；And domestic Amap, Baidu map and Tencent
The main Cartographic Technique providers such as figure are not extended to the geography information being overseas not covered with overseas in business, can not yet
The guide to visitors service overseas of realization.In addition, for the map at scenic spot overseas is provided, domestic Map Services quotient is difficult to accomplish, on the other hand
It is to be using Google Maps, each scenic spot can not be also identified to.Therefore, there is an urgent need to provide a scape overseas
The map in area facilitates the overseas trip of Chinese citizen.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of outdoor scene hand-drawing map cutting sides
Entire map can be carried out cutting, so that speed is faster when loading map by method and device.
An object of the present invention is implemented with the following technical solutions:
The present invention provides a kind of outdoor scene hand-drawing map cutting methods, comprising:
S11: position of the outdoor scene hand-drawing map in third party's map area is determined；
S12: according to the longitude and latitude in the upper left corner of position of the outdoor scene hand-drawing map in third party's map area and the lower right corner
Coordinate obtains the resolution ratio of outdoor scene hand-drawing map；
S13: the maximum map grade of outdoor scene hand-drawing map is obtained according to the resolution ratio of the outdoor scene hand-drawing map；
S14: according to each map grade of the outdoor scene hand-drawing map to outdoor scene hand-drawing map according to etc. sizes carry out
Slice；
S15: all slices are stored under same file folder according to the map grade.
Preferably, the calculation formula of the resolution ratio of the outdoor scene hand-drawing map are as follows:
S=width*height,
Wherein, S is the resolution ratio of outdoor scene hand-drawing map, x1For the X pixel of the corresponding point in the lower right corner of outdoor scene hand-drawing map
Sit target value, x2For the value of the X pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；y1For the right side of outdoor scene hand-drawing map
The value of the Y pixel coordinate of the corresponding point of inferior horn, y2For the value of the Y pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；
Width is the width of outdoor scene hand-drawing map, and height is the length of outdoor scene hand-drawing map；
The value of the X pixel coordinate is calculated by following formula:
Wherein, x is the value of the X pixel coordinate of corresponding point, and lng is the longitude of corresponding point, and level is maximum map
Grade；
The value of the Y pixel coordinate is calculated by following formula:
Wherein, y is the value of the Y pixel coordinate of corresponding point, and lat is the latitude value of corresponding point, and rad is corresponding point
Radian, level are maximum map grade.
Preferably, the calculation formula of the maximum map grade level of the outdoor scene hand-drawing map is as follows:
Level=18+m；M=min (m1, m2)；
M1=floor (r1), m2=floor (r2)/2；
R1=round (width/mapWidth), r2=round (height/mapHeight)；
Wherein, min is to indicate to seek the minimum number in two numbers；The integer closest to it is sought in floor expression, its value is less than
Or it is equal to this floating number；Round is mathematical function, and expression rounds up to x；Width is the width of outdoor scene hand-drawing map
Degree, height is the length of outdoor scene hand-drawing map, and mapWidth is the width in Google Maps region, and mapHeight is
The length in Google Maps region；Level is the natural number for being less than or equal to 20 greater than 0.
Preferably, between the step S13 and step S14 further include:
S131: when outdoor scene hand-drawing map the upper left corner and the lower right corner latitude and longitude coordinates and third party's map the upper left corner and
When the latitude and longitude coordinates in the lower right corner are inconsistent, then Freehandhand-drawing live-action map is modified；
The step of amendment includes the following:
S211: a transparent background map is generated, the length and width of the transparent background map is 256 integral multiple；
The width blankImg1 of the transparent background map are as follows:
BlankImg1=(rbTileX-LtTileX+1) * 256；Wherein, rbTileX is the piece line number in the upper left corner watt,
LtTileX is the tile line number in the lower right corner, and blankImg is the width of transparent background figure；
The length blankImg2 of the transparent background map are as follows:
BlankImg1=(rbTileY-LtTileY+1) * 256；Wherein, rbTileY is the piece row number in the upper left corner watt,
LtTileY is the tile row number in the lower right corner, and blankImg2 is the length of transparent background figure；
The tile line number of the TileX is calculated due to following formula:
TileX=floor (pixels1/256)；Wherein, level is maximum map grade, and lng is the warp of corresponding point
Angle value；
The tile row number of the TileY is calculated due to following formula:
TileY=floor (pixels2/256)；Wherein, level is maximum map grade, and lat is the latitude of corresponding point
Angle value, rad are the radian of corresponding point；
S212: the width of outdoor scene hand-drawing map and length are scaled blankImg1 and blankImg2 respectively；
S213: new outdoor scene hand-drawing map is obtained after transparent background figure is merged with the outdoor scene hand-drawing map.
Preferably, it is described to outdoor scene hand-drawing map according to etc. the method that is sliced of sizes be length to outdoor scene hand-drawing map
Degree and width carry out equal part, form several the small pictures being evenly distributed.
Preferably, the resolution sizes of the small picture are 256*256 pixel.
The present invention also provides a kind of outdoor scene hand-drawing map cutting devices corresponding with outdoor scene hand-drawing map, comprising:
Regions module is determined, for determining position of the outdoor scene hand-drawing map in third party's map area；
Calculating resolution module, for the position according to outdoor scene hand-drawing map in third party's map area the upper left corner and
The latitude and longitude coordinates in the lower right corner obtain the resolution ratio of outdoor scene hand-drawing map；
Map grade module is calculated, for obtaining outdoor scene hand-drawing map most according to the resolution ratio of the outdoor scene hand-drawing map
Big map grade；
Cutting module, for according to each map grade of the outdoor scene hand-drawing map to outdoor scene hand-drawing map according to etc.
Size is sliced；
Memory module, for all slices to be stored under same file folder according to map grade.
Preferably, the calculation formula of the resolution ratio of the outdoor scene hand-drawing map are as follows:
S=width*height,
Wherein, S is the resolution ratio of outdoor scene hand-drawing map, x1For the X pixel of the corresponding point in the lower right corner of outdoor scene hand-drawing map
Sit target value, x2For the value of the X pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；y1For the right side of outdoor scene hand-drawing map
The value of the Y pixel coordinate of the corresponding point of inferior horn, y2For the value of the Y pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；
Width is the width of outdoor scene hand-drawing map, and height is the length of outdoor scene hand-drawing map；
The value of the X pixel coordinate is calculated by following formula:
Wherein, x is the value of the X pixel coordinate of corresponding point, and lng is the longitude of corresponding point, and level is maximum map
Grade；
The value of the Y pixel coordinate is calculated by following formula:
Wherein, y is the value of the Y pixel coordinate of corresponding point, and lat is the latitude value of corresponding point, and rad is corresponding point
Radian, level are maximum map grade.
For overcome the deficiencies in the prior art, the second object of the present invention is to provide intelligent guide implementation method and is
System, a good speech guide and explanation can not be provided in the prior art for the user of China's overseas trip by being able to solve
Scenic spot map.
The second object of the present invention is implemented with the following technical solutions:
The present invention provides a kind of intelligent guide implementation methods, comprising:
S21: the coordinate of map where obtaining user；
S22: corresponding slice in Freehandhand-drawing live-action map is called according to the coordinate of map where user and is shown to user；
The slice is that the outdoor scene hand-drawing map cutting method as described in any one in claim 1-6 obtains；
S23: corresponding speech sound eeplaining is played in Freehandhand-drawing live-action map according to the coordinate of map where user；
S24: corresponding sight spot picture is shown in the Freehandhand-drawing live-action map of load according to speech sound eeplaining is played.
The present invention also provides a kind of intelligent guide realization systems corresponding with the intelligent guide implementation method, including
Index module is obtained, the coordinate for map where obtaining user；
Hand-drawing map module is called, is called for the coordinate according to map where user corresponding in Freehandhand-drawing live-action map
It is sliced and is shown to user；The slice is the outdoor scene hand-drawing map cutting side as described in any one in claim 1-6
Method obtains；
Voice broadcast module, for playing corresponding language in Freehandhand-drawing live-action map according to the coordinate of map where user
Sound explanation；
Picture display module, for showing corresponding sight spot figure in Freehandhand-drawing live-action map according to broadcasting speech sound eeplaining
Piece.
Compared with prior art, the beneficial effects of the present invention are: the present invention explores on the spot by artificial and combines map
Software for drawing produces the traveled outdoor scene hand-drawing map overseas for being suitble to Chinese overseas trip, and to the outdoor scene hand-drawing map into
The map is embedded into the mapping module of present map operator, realizes the outdoor scene at scenic spot overseas by row slicing treatment
Change, improves the experience of visit.In addition, the loading efficiency that makes map of user when being used on APP in loading procedure
It is higher.The present invention, which compensates for map operators many in the prior art and can not provide, is suitble to the passenger of Chinese overseas trip to use
Map defect.
Detailed description of the invention
Fig. 1 is outdoor scene hand-drawing map cutting method flow chart provided by the invention；
Fig. 2 is outdoor scene hand-drawing map cutting device module map provided by the invention；
Fig. 3 is intelligent guide implementation method flow chart provided by the invention；
Fig. 4 is that intelligent guide provided by the invention realizes system module figure.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention:
As shown in Figure 1, the present invention provides outdoor scene hand-drawing map cutting method comprising:
S11: position of the outdoor scene hand-drawing map in third party's map area is determined.
In this step, it is first determined position of the outdoor scene hand-drawing map in third party's map area that is to say and mark off one
Region is loaded for Freehandhand-drawing live-action map.Wherein the Freehandhand-drawing live-action map is the map overseas of Freehandhand-drawing outdoor scene, due in general,
Domestic map operator can not provide map overseas, therefore, can be investigated by the map manually to abroad tourism sight spot
And Freehandhand-drawing goes out electronic map, while the electronic map of artificial Freehandhand-drawing is more more detailed than general software map, is relatively suitble to
In the guidance of tourism.Third party's map employed herein is Google Maps.Since Freehandhand-drawing live-action map manually obtains
The map at specific sight spot, therefore its coordinate that natively there is its corresponding map, therefore by the seat of the outdoor scene hand-drawing map
After mark is corresponding with the coordinate of third party's map, the outdoor scene hand-drawing map can be learnt in the position of third party's map.
S12: according to the longitude and latitude in the upper left corner of position of the outdoor scene hand-drawing map in third party's map area and the lower right corner
Coordinate obtains the resolution ratio of outdoor scene hand-drawing map.
Wherein after determining region of the outdoor scene hand-drawing map in third party's map with can also learning the outdoor scene Freehandhand-drawing
The upper left corner of figure and the latitude and longitude coordinates in the lower right corner, therefore the resolution ratio of the outdoor scene hand-drawing map can be calculated, the outdoor scene hand
The resolution ratio S calculation formula for drawing map is as follows: S=width*height,
Wherein, S is the resolution ratio of outdoor scene hand-drawing map, x1For the X pixel of the corresponding point in the lower right corner of outdoor scene hand-drawing map
Sit target value, x2For the value of the X pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；y1For the right side of outdoor scene hand-drawing map
The value of the Y pixel coordinate of the corresponding point of inferior horn, y2For the value of the Y pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；
Width is the width of outdoor scene hand-drawing map, and height is the length of outdoor scene hand-drawing map；
The value of the X pixel coordinate is calculated by following formula:
Wherein, x is the value of the X pixel coordinate of corresponding point, and lng is the longitude of corresponding point, and level is maximum map
Grade；
The value of the Y pixel coordinate is calculated by following formula:
Wherein, y is the value of the Y pixel coordinate of corresponding point, and lat is the latitude value of corresponding point, and rad is corresponding point
Radian, level are maximum map grade.
S13: the maximum map grade of outdoor scene hand-drawing map is obtained according to the resolution ratio of the outdoor scene hand-drawing map.
The map grade refers to that the display level of map, General maps can all have certain rank in electronic software
Indicate its magnification level, such as map grade, the map grade of Google Maps of Baidu map.In other words work as map denotation
When different magnification level, what is shown on map is also just different, and grade determines according to the map for this.Therefore the outdoor scene Freehandhand-drawing
The maximum map grade level of map is calculated by the resolution ratio of the outdoor scene hand-drawing map, and calculating process is as follows:
Level=18+m；M=min (m1, m2)；
M1=floor (r1), m2=floor (r2)/2；
R1=round (width/mapWidth), r2=round (height/mapHeight)；
Wherein, min is to indicate to seek the minimum number in two numbers；The integer closest to it is sought in floor expression, its value is less than
Or it is equal to this floating number；Round is mathematical function, and expression rounds up to x；Width is the width of outdoor scene hand-drawing map
Degree, height is the length of outdoor scene hand-drawing map, and mapWidth is the width of third party's map area, and mapHeight is third
The length of square map area；Level is the natural number for being less than or equal to 20 greater than 0.
The level refers to the greatest level of outdoor scene hand-drawing map, and in other words the map grade of outdoor scene hand-drawing map is 0
To the natural number between level.
S14: according to each map grade of the outdoor scene hand-drawing map to outdoor scene hand-drawing map according to etc. sizes carry out
Slice.
Wherein, in order to load when, quickly map can be loaded on entire map, therefore entire map is cut into
Small picture does not need just to display for a user after the completion of entire map all load when needing to load some region of map
Map out, therefore will enter to be sliced to outdoor scene hand-drawing map.In addition, the picture institute of map is right due to different map grades
The magnification level answered is also different, therefore when being sliced to outdoor scene hand-drawing map, first has to determine map grade, respectively
Different map grade to maps is sliced.
It is described by Freehandhand-drawing live-action map slice according to etc. the method that is sliced of sizes be length to Freehandhand-drawing live-action map
Equal part is carried out with width, forms several the small pictures being evenly distributed.Since the cutting of to map in Google Maps is by ground
Figure is cut into the slice of 256*256 pixel size, therefore the small picture for being cut into outdoor scene hand-drawing map also used in the present invention
It is the slice of 256*256 pixel size.There is also the need to be named just to name according to ranks number to slice.For example, wherein
One slice is located at the 5th row the 8th and arranges, then its name can be named as 5_8.png.Other modes (rule can certainly be taken
It then) names, as long as can be distinguished.
S15: all small pictures are stored under same file folder according to the map grade.
Wherein, since map grade is different, then the size of picture is also just different, therefore divides the small picture preserved
Also just different.Therefore, by all small pictures save when distinguished with map grade, identical map grade is drawn
Obtained small picture is divided to be stored in a file, the small picture that different map grade classifications obtain is stored in different texts
In part folder.When in use, grade can find file according to the map and get the small picture of its corresponding map grade.
As shown in Fig. 2, the present invention also provides outdoor scene hand-drawing maps corresponding with the outdoor scene hand-drawing map cutting method
Cutting device, comprising:
Regions module is determined, for determining position of the outdoor scene hand-drawing map in third party's map area；
Calculating resolution module, for the position according to outdoor scene hand-drawing map in third party's map area the upper left corner and
The latitude and longitude coordinates in the lower right corner obtain the resolution ratio of outdoor scene hand-drawing map；
Map grade module is calculated, for obtaining outdoor scene hand-drawing map most according to the resolution ratio of the outdoor scene hand-drawing map
Big map grade；
Cutting module, for according to each map grade of the outdoor scene hand-drawing map to outdoor scene hand-drawing map according to etc.
Size is sliced；
Memory module, for all slices to be stored under same file folder according to map grade.
Preferably, the calculation formula of the resolution ratio of the outdoor scene hand-drawing map are as follows:
S=width*height,
Wherein, S is the resolution ratio of outdoor scene hand-drawing map, x1For the X pixel of the corresponding point in the lower right corner of outdoor scene hand-drawing map
Sit target value, x2For the value of the X pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；y1For the right side of outdoor scene hand-drawing map
The value of the Y pixel coordinate of the corresponding point of inferior horn, y2For the value of the Y pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；
Width is the width of outdoor scene hand-drawing map, and height is the length of outdoor scene hand-drawing map；
The value of the X pixel coordinate is calculated by following formula:
Wherein, x is the value of the X pixel coordinate of corresponding point, and lng is the longitude of corresponding point, and level is maximum map
Grade；
The value of the Y pixel coordinate is calculated by following formula:
Wherein, y is the value of the Y pixel coordinate of corresponding point, and lat is the latitude value of corresponding point, and rad is corresponding point
Radian, level are maximum map grade.
In addition, further including step S131 after the step S13: when the upper left corner of outdoor scene hand-drawing map and the warp in the lower right corner
When the latitude and longitude coordinates in the upper left corner and the lower right corner of latitude coordinate and Google Maps are inconsistent, then Freehandhand-drawing live-action map is carried out
Amendment；
It is described that modified steps are as follows:
S211: a transparent background map is generated, the length and width of the transparent background map is 256 integral multiple；
Its width blankImg1 are as follows: blankImg1=(rbTileX-LtTileX+1) * 256,
Wherein, rbTileX is the piece line number in the upper left corner watt, and LtTileX is the tile line number in the lower right corner, and blankImg is
The width of bright Background；
The tile line number of the TileX is calculated due to following formula:
TileX=floor (pixels1/256)；
Wherein, level is maximum map grade, and lng is the longitude of corresponding point；
Its length blankImg2 are as follows: blankImg1=(rbTileY-LtTileY+1) * 256,
Wherein, rbTileY is the piece line number in the upper left corner watt, and LtTileY is the tile line number in the lower right corner, and blankImg2 is
The length of transparent background figure；
The tile row number of the TileY is calculated due to following formula:
TileY=floor (pixels2/256)；
Wherein, level is maximum map grade, and lat is the latitude value of corresponding point, and rad is the radian of corresponding point.
S212: the width of outdoor scene hand-drawing map and length are scaled blankImg1 and blankImg2 respectively；
S213: new outdoor scene hand-drawing map is obtained after transparent background figure is merged with the outdoor scene hand-drawing map.
As shown in figure 3, the present invention also provides intelligent guide implementation methods, comprising:
S21: the coordinate of map where obtaining user；
S22: corresponding slice in Freehandhand-drawing live-action map is called according to the coordinate of map where user and is shown to user；
The slice is obtained by the outdoor scene hand-drawing map cutting method；
S23: corresponding speech sound eeplaining is played in Freehandhand-drawing live-action map according to the coordinate of map where user；
S24: corresponding sight spot picture is shown in the Freehandhand-drawing live-action map of load according to speech sound eeplaining is played.
As shown in figure 4, the present invention also provides intelligent guides corresponding with the intelligent guide implementation method to realize system
System, including
Index module is obtained, the coordinate for map where obtaining user；
Hand-drawing map module is called, is called for the coordinate according to map where user corresponding in Freehandhand-drawing live-action map
It is sliced and is shown to user；The slice is obtained by the outdoor scene hand-drawing map cutting method；
Voice broadcast module, for playing corresponding language in Freehandhand-drawing live-action map according to the coordinate of map where user
Sound explanation；
Picture display module, for showing corresponding sight spot figure in Freehandhand-drawing live-action map according to broadcasting speech sound eeplaining
Piece.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (8)
1. outdoor scene hand-drawing map cutting method characterized by comprising
S11: position of the outdoor scene hand-drawing map in third party's map area is determined；
S12: according to the latitude and longitude coordinates in the upper left corner of position of the outdoor scene hand-drawing map in third party's map area and the lower right corner
Obtain the resolution ratio of outdoor scene hand-drawing map；
S13: the maximum map grade of outdoor scene hand-drawing map is obtained according to the resolution ratio of the outdoor scene hand-drawing map；
S14: according to each map grade of the outdoor scene hand-drawing map to outdoor scene hand-drawing map according to etc. sizes be sliced；
S15: all slices are stored under same file folder according to the map grade；
The calculation formula of the resolution ratio of the outdoor scene hand-drawing map are as follows:
S=width*height,
Wherein, S is the resolution ratio of outdoor scene hand-drawing map, x1For the X pixel coordinate of the corresponding point in the lower right corner of outdoor scene hand-drawing map
Value, x2For the value of the X pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；y1For the lower right corner pair of outdoor scene hand-drawing map
The value of the Y pixel coordinate for the point answered, y2For the value of the Y pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；Width is
The width of outdoor scene hand-drawing map, height are the length of outdoor scene hand-drawing map；
The value of the X pixel coordinate is calculated by following formula:
Wherein, x is the value of the X pixel coordinate of corresponding point, and lng is the longitude of corresponding point, and level is maximum map etc.
Grade；
The value of the Y pixel coordinate is calculated by following formula:
Wherein, y is the value of the Y pixel coordinate of corresponding point, and lat is the latitude value of corresponding point, and rad is the arc of corresponding point
Degree, level are maximum map grade.
2. outdoor scene hand-drawing map cutting method as described in claim 1, which is characterized in that the outdoor scene hand-drawing map is maximally
The calculation formula of figure grade level is as follows:
Level=18+m；M=min (m1, m2)；
M1=floor (r1), m2=floor (r2)/2；
R1=round (width/mapWidth), r2=round (height/mapHeight)；
Wherein, min is to indicate to seek the minimum number in two numbers；The integer closest to it is sought in floor expression, its value is less than or waits
In this floating number；Round is mathematical function, and expression rounds up to x；Width is the width of outdoor scene hand-drawing map,
Height is the length of outdoor scene hand-drawing map, mapWidth is the width in Google Maps region, and mapHeight is Google
The length of graph region；Level is the natural number for being less than or equal to 20 greater than 0.
3. outdoor scene hand-drawing map cutting method as described in claim 1, which is characterized in that between the step S13 and step S14
Further include:
S131: when the upper left corner and bottom right in the upper left corner of outdoor scene hand-drawing map and the latitude and longitude coordinates in the lower right corner and third party's map
When the latitude and longitude coordinates at angle are inconsistent, then Freehandhand-drawing live-action map is modified；
The step of amendment includes the following:
S211: a transparent background map is generated, the length and width of the transparent background map is 256 integral multiple；
The width blankImg1 of the transparent background map are as follows:
BlankImg1=(rbTileX-LtTileX+1) * 256；Wherein, rbTileX is the tile line number in the upper left corner,
LtTileX is the tile line number in the lower right corner, and blankImg is the width of transparent background figure；
The length blankImg2 of the transparent background map are as follows:
BlankImg1=(rbTileY-LtTileY+1) * 256；Wherein, rbTileY is the tile row number in the upper left corner,
LtTileY is the tile row number in the lower right corner, and blankImg2 is the length of transparent background figure；
The tile line number of the TileX is calculated by following formula:
TileX=floor (pixels1/256)；Wherein, level is maximum map grade, and lng is the longitude of corresponding point；
The tile row number of the TileY is calculated by following formula:
TileY=floor (pixels2/256)；Wherein, level is maximum map grade, and lat is the latitude value of corresponding point,
Rad is the radian of corresponding point；
S212: the width of outdoor scene hand-drawing map and length are scaled blankImg1 and blankImg2 respectively；
S213: new outdoor scene hand-drawing map is obtained after transparent background figure is merged with the outdoor scene hand-drawing map.
4. outdoor scene hand-drawing map cutting method as described in claim 1, which is characterized in that it is described to outdoor scene hand-drawing map according to etc.
The method that size is sliced is to carry out equal part to the length and width of outdoor scene hand-drawing map, and it is small to form several that be evenly distributed
Picture.
5. outdoor scene hand-drawing map cutting method as claimed in claim 4, which is characterized in that the resolution sizes of the small picture are
256*256 pixel.
6. outdoor scene hand-drawing map cutting device characterized by comprising
Regions module is determined, for determining position of the outdoor scene hand-drawing map in third party's map area；
Calculating resolution module, the upper left corner and bottom right for the position according to outdoor scene hand-drawing map in third party's map area
The latitude and longitude coordinates at angle obtain the resolution ratio of outdoor scene hand-drawing map；
Map grade module is calculated, for obtaining outdoor scene hand-drawing map maximally according to the resolution ratio of the outdoor scene hand-drawing map
Figure grade；
Cutting module, for according to each map grade of the outdoor scene hand-drawing map to outdoor scene hand-drawing map according to etc. sizes
It is sliced；
Memory module, for all slices to be stored under same file folder according to map grade；
The calculation formula of the resolution ratio of the outdoor scene hand-drawing map are as follows:
S=width*height,
Wherein, S is the resolution ratio of outdoor scene hand-drawing map, x1For the X pixel coordinate of the corresponding point in the lower right corner of outdoor scene hand-drawing map
Value, x2For the value of the X pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；y1For the lower right corner pair of outdoor scene hand-drawing map
The value of the Y pixel coordinate for the point answered, y2For the value of the Y pixel coordinate of the corresponding point in the upper left corner of outdoor scene hand-drawing map；Width is
The width of outdoor scene hand-drawing map, height are the length of outdoor scene hand-drawing map；
The value of the X pixel coordinate is calculated by following formula:
Wherein, x is the value of the X pixel coordinate of corresponding point, and lng is the longitude of corresponding point, and level is maximum map etc.
Grade；
The value of the Y pixel coordinate is calculated by following formula:
Wherein, y is the value of the Y pixel coordinate of corresponding point, and lat is the latitude value of corresponding point, and rad is the arc of corresponding point
Degree, level are maximum map grade.
7. intelligent guide implementation method characterized by comprising
S21: the coordinate of map where obtaining user；
S22: corresponding slice in Freehandhand-drawing live-action map is called according to the coordinate of map where user and is shown to user；It is described
Slice is that the outdoor scene hand-drawing map cutting method as described in any one in claim 1-5 obtains；
S23: corresponding speech sound eeplaining is played in Freehandhand-drawing live-action map according to the coordinate of map where user；
S24: corresponding sight spot picture is shown in the Freehandhand-drawing live-action map of load according to speech sound eeplaining is played.
8. intelligent guide realizes system, which is characterized in that including
Index module is obtained, the coordinate for map where obtaining user；
Hand-drawing map module is called, for calling corresponding slice in Freehandhand-drawing live-action map according to the coordinate of map where user
And it is shown to user；The slice is that the outdoor scene hand-drawing map cutting method as described in any one in claim 1-5 obtains
It arrives；
Voice broadcast module is said for playing corresponding voice in Freehandhand-drawing live-action map according to the coordinate of map where user
Solution；
Picture display module, for showing corresponding sight spot picture in Freehandhand-drawing live-action map according to broadcasting speech sound eeplaining.
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| CN106971683B (en) * | 2017-04-05 | 2019-06-28 | 山东慧行天下文化传媒有限公司 | The intelligent guide guide system and method for inverse are just being calculated based on map reference |
| CN107481195A (en) * | 2017-08-24 | 2017-12-15 | 山东慧行天下文化传媒有限公司 | Method and device based on more sight spot region intelligence sectional drawings generation electronic map |
| CN108763587A (en) * | 2018-06-12 | 2018-11-06 | 广州市驴迹科技有限责任公司 | The method and system that hand-drawing map is overlapped with electronic map |
| US11335084B2 (en) * | 2019-09-18 | 2022-05-17 | International Business Machines Corporation | Image object anomaly detection |
| CN112908146A (en) * | 2020-12-26 | 2021-06-04 | 云景文旅科技有限公司 | Hand-drawn map cutting and presenting method and intelligent tour guide and visiting guide system |
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| CN104299541B (en) * | 2014-10-27 | 2018-05-01 | 中科数景秦皇岛信息技术有限公司 | Intelligent guide system and method based on mobile Internet platform |
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