CN105956124B - A kind of map methods of exhibiting and device - Google Patents
A kind of map methods of exhibiting and device Download PDFInfo
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- CN105956124B CN105956124B CN201610297498.1A CN201610297498A CN105956124B CN 105956124 B CN105956124 B CN 105956124B CN 201610297498 A CN201610297498 A CN 201610297498A CN 105956124 B CN105956124 B CN 105956124B
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000001747 exhibiting effect Effects 0.000 title claims abstract description 22
- 238000000265 homogenisation Methods 0.000 claims abstract description 16
- 238000011282 treatment Methods 0.000 claims abstract description 14
- 230000003321 amplification Effects 0.000 claims description 8
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/003—Maps
- G09B29/006—Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes
- G09B29/007—Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes using computer methods
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2210/00—Indexing scheme for image generation or computer graphics
- G06T2210/44—Morphing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
- G06T2219/20—Indexing scheme for editing of 3D models
- G06T2219/2016—Rotation, translation, scaling
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Abstract
The present invention relates to information technology field, disclosing a kind of map methods of exhibiting and device, the map methods of exhibiting includes: to be identified a subregion according to the location information of identification point to be presented；Homogenization Treatments and three dimensional stress deformation are carried out to the compact district that mark dot density is greater than predefined intensive threshold value, to form corresponding 3-D graphic, and all identification points in the compact district are made to be evenly distributed on the surface of the 3-D graphic to be formed；And map is generated based on the 3-D graphic, and the 3-D graphic is shown in map.The present invention may be implemented have multiple display scales to exist simultaneously in a map view, and each possible overlapping region can be subjected to three dimensional stress deformation according to different deformation parameters, both it ensure that user's overall situation saw map, also ensure mark compact district does not overlap displaying.
Description
Technical field
The present invention relates to information technology fields, and in particular, to can be used for cell phone map, web map, GPS map etc.
A kind of map methods of exhibiting and device.
Background technique
Existing map display technique is broadly divided into the plane map based on coordinate system conversion and shows and multi-C stereo map
It shows.
Plane map shows the search result for being based primarily upon user, the region of scale is given according to some, in plane
The target position of user's positioning is shown on numerical map.When the target homing position of user is relatively simple or compares concentration, ground
Figure can generally amplify display scale, mainly show target position and neighbouring additional detailed map information；And work as target homing position ratio
When more and distribution relatively disperses, map can then reduce display scale automatically, in order to accommodate the mark point of all query results, into
And dilute the level of detail of map content.
Multi-C stereo map shows that the three-dimensional even map of imaging that are then primarily used for unique objects position are shown.
Multi-C stereo map, which is shown, shows user various informixes using dynamic multidimensional information carrier, is more advantageous to map letter
The transmission of breath allows users to the dimensional topography information on detailed object observing position and periphery.
For any map display technique (shown including above-mentioned plane map and multi-C stereo map is shown), all have
There is the characteristics of user interactivity, i.e., the variation of indication range is mainly as caused by the zoom operations of user, and electronic map is one
It arbitrarily multistage can be scaled in fixed limit degree, and electronic map is easily achieved " roaming " and " translation ", can disposably accommodate one
All map contents in a area.It can be accustomed to enlarged map according to browsing convenient for user or reduce the operation of map, until
The indication range of map and the needs of resolution sizes suitable user.
Simultaneously as existing map display technique initial phase show user positioning target position when,
It is all multiple to meet user using unified display scale, therefore when user needs to browse and be positioned to for all display areas
The map label point asked, and the distribution of these mark points can not be shown under the suitable resolution ratio for meeting observation demand simultaneously
When showing, user frequently zoom and moving map display scale must come while check all mark points.Therefore this same
The map exhibition method of ratio be difficult and meanwhile by these qualified map label points by it is clear it is detailed in a manner of show
Come.
To sum up, for existing map display technique, when identifying the location information of user's needs on map, often
There is purpose mark point position situation unevenly distributed.In this case, this is shown using general map zoom technology
When a little information, following problem will lead to:
(1) the case where information that the region of identification point comparatively dense is shown will appear mutual masking, causes information to show incomplete；
(2) after to close quarters in proportion partial enlargement, the identification point of the other positions other than compact district can be gone out again
The case where now showing missing.
Summary of the invention
The object of the present invention is to provide a kind of map methods of exhibiting and device, for solving in existing map display technique
The non-uniform problem of intensively display of figure mark point.
To achieve the goals above, the present invention provides a kind of map methods of exhibiting, which includes: basis
The location information of identification point to be presented is identified a subregion；The intensive of predefined intensive threshold value is greater than to mark dot density
Area carries out Homogenization Treatments and three dimensional stress deformation, to form corresponding 3-D graphic, and makes all marks in the compact district
Point is evenly distributed on the surface for the 3-D graphic to be formed；And map is generated based on the 3-D graphic, and show in map
The 3-D graphic.
Preferably, it includes: according to be presented that the location information according to identification point to be presented, which is identified a subregion,
Identification point location information, the identification point of positional distance within a preset range is divided in the same area.
Preferably, the compact district that described pair of mark dot density is greater than predefined intensive threshold value carries out Homogenization Treatments and three
Dimensionization deformation, to form corresponding 3-D graphic, and makes all identification points in the compact district be evenly distributed on to be formed three
The surface of dimension figure includes: the geometric center for calculating identification point distribution in the compact district, makes each identification point relative to described several
What center is uniformly distributed；And using the geometric center as three-dimensional shaft, formed along the three-dimensional shaft Z axis increase and be distributed in
Projected position where the geometric center is the cone on vertex, and is evenly distributed on all identification points in the compact district
The surface of the cone；Wherein, the position of each identification point plane projection position in the cone and each identification point
The coordinate indicated in information is identical.
Preferably, the map methods of exhibiting further include: by the level configurations of the cone be meet in the compact district
The space length of all identification points is greater than or is equal to predefined amplification distance threshold.
Preferably, described that map is generated based on the 3-D graphic, and show that the 3-D graphic includes: pair in map
In multiple 3-D graphic, relevant parameter is deformed based on three dimensional stress corresponding to the 3-D graphic and generates map, and by multiple
Displaying ratio shows 3-D graphic in map, wherein the corresponding displaying ratio of each 3-D graphic is different.
Preferably, map methods of exhibiting further include: adjusted in map by the three-dimensional manipulating that can graphically interact
The 3-D graphic of displaying.
The present invention also provides a kind of map displaying device, which includes: division module, for according to
The location information of the identification point of displaying is identified a subregion；Deformation module, it is predefined close for being greater than to mark dot density
The compact district for collecting threshold value carries out Homogenization Treatments and three dimensional stress deformation, to form corresponding 3-D graphic, and makes the compact district
Interior all identification points are evenly distributed on the surface for the 3-D graphic to be formed；And display module, for being based on the three-dimensional figure
Shape generates map, and the 3-D graphic is shown in map.
Preferably, the deformation module includes: Homogenization Treatments submodule, for calculating identification point point in the compact district
The geometric center of cloth is uniformly distributed each identification point relative to the geometric center；Three dimensional stress deformation sub-module, for described
Geometric center is three-dimensional shaft, and formation is increased and is distributed in along the Z axis of the three-dimensional shaft with projected position where the geometric center
For the cone on vertex, and all identification points in the compact district is made to be evenly distributed on the surface of the cone；And point
Submodule is arranged in cloth, for being the space length for meeting all identification points in the compact district by the level configurations of the cone
More than or equal to predefined amplification distance threshold；Wherein, plane projection position of each identification point in the cone with
The coordinate indicated in the location information of each identification point is identical.
Preferably, the display module is used to generate map based on the 3-D graphic, and described three are shown in map
Dimension figure includes: that multiple 3-D graphic are deformed relevant parameter based on three dimensional stress corresponding to the 3-D graphic and generated
Map, and 3-D graphic is shown in map in multiple displaying ratios, wherein the corresponding displaying ratio of each 3-D graphic is different.
Preferably, the map displaying device further include: adjustment module, for by the three-dimensional manipulating that can graphically interact come
Adjust the 3-D graphic shown in map.
Through the above technical solutions, the solution have the advantages that: the present invention may be implemented to have in a map view
Multiple display scales exist simultaneously, and each possible overlapping region can be carried out three dimensional stress change according to different deformation parameters
Shape both ensure that user's overall situation saw map, and also ensure mark compact district does not overlap displaying.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow diagram of the map methods of exhibiting in the embodiment of the present invention；
Fig. 2 is the schematic diagram in the embodiment of the present invention for the compact district of citing；
Fig. 3 is the signal for carrying out the bullet that three dimensional stress deformation generates in the embodiment of the present invention for the compact district of Fig. 2
Figure；
Fig. 4 is the structural schematic diagram of the map displaying device in the embodiment of the present invention；
Fig. 5 is the flow diagram that identification point displaying on map is realized in application examples of the invention；
Fig. 6 is the result schematic diagram of Search Flags point in application examples of the invention；
Fig. 7 is the effect diagram that three dimensional stress deformation is carried out in application examples of the invention；
Fig. 8 is the effect diagram after being adjusted in application examples of the invention to the deformed bullet of three dimensional stress.
Description of symbols
1 division module, 2 deformation module
3 display modules 4 adjust module
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The embodiment provides a kind of map methods of exhibiting, as shown in Figure 1, the map methods of exhibiting includes:
Step S1 is identified a subregion according to the location information of identification point to be presented.
Wherein, the identification point to be presented is the mark point that user wants to show on map, the position of identification point
Information includes the two-dimensional coordinate etc. of the in situ figure of identification point, can obtain identification point by the corresponding information database of inquiry original place figure
Location information.
The present embodiment is identified a subregion according to the location information of identification point to be presented and specifically includes that according to wait open up
The identification point of positional distance within a preset range is divided in the same area by the location information of the identification point shown.Wherein, described to incite somebody to action
The identification point of positional distance within a preset range is divided in the same area the present embodiment and can be realized by fuzzy algorithmic approach, is based on mould
Algorithm is pasted, the similar identification point of positional distance can be subjected to multidomain treat-ment, mark point on the figure of original place is counted and discretization occurs
The region of distribution, further according to statistical information (the inquiry mesh in identification point quantity, distribution and region of each individual region
Target matching similarity etc.) automatic to map division region, make the identification point of positional distance within a preset range in the same area
In.
Step S2, the compact district for being greater than predefined intensive threshold value to mark dot density carry out Homogenization Treatments and three dimensional stress
Deformation, to form corresponding 3-D graphic, and makes all identification points in the compact district be evenly distributed on the three-dimensional figure to be formed
The surface of shape.
Wherein, the compact district is defined as after step S1 is identified a subregion, and mark dot density is greater than predefined
Intensive threshold value region.It can be blocked mutually when being shown in the in situ figure of the identification point of compact district, influence user experience.
Accordingly, the present embodiment proposes that Homogenization Treatments and three dimensional stress are carried out to compact district to be deformed, and is specifically included: described in calculating
The geometric center that identification point is distributed in compact district, is uniformly distributed each identification point relative to the geometric center；With the geometry
Center is three-dimensional shaft, and formation is increased and is distributed in along the Z axis of the three-dimensional shaft with projected position where the geometric center as top
The cone of point, and the identification point in the compact district is made to be evenly distributed on the surface of the cone.Wherein, each identification point
In the cone plane projection position and the location information of each identification point in the coordinate that indicates it is identical.Here, each mark
The coordinate indicated in the location information of point is the two-dimensional coordinate of the in situ figure of identification point, and the 3-D graphic is circle herein
Cone.
Further, the present embodiment also needs to be configured to meet by the height (i.e. the height of geometric center) of the cone
The space length of all identification points is greater than or is equal to predefined amplification distance threshold in the compact district, so that described intensive
All identification points in area can be uniformly distributed in the conical surface.
Therefore, the present embodiment is according to the coordinate values of identification points all in compact district, by its abscissa and ordinate
Weighted average counts the coordinate value of the geometric center of all identification points in compact district, further completes homogenization practice.
In specific practice, the geometric center of compact district can be determined by following steps:
User in compact district is searched for the minimum identification point A of matching degree as coordinate origin (0,0), will matched by step A1
Next to the lowest identification point B is spent as x horizontal axis point coordinate (x, 0)；
Step A2 determines y-axis based on the origin of A, B two o'clock composition and x-axis；
Step A3 distributes to all identification point coordinate values in close quarters according to x-axis, y-axis (i.e. the horizontal axis longitudinal axis)；
Step A4, the matching degree of each identification point is to coordinate multiplied by weighting coefficient when being searched for according to user；Wherein, weighting system
Numerical value automatic distribution from 1 to 1.1, allocation rule is: identification point matching degree is higher, and numerical value is higher；
Step A5, according to the identification point coordinate after weighting, the average value by calculating the horizontal axis longitudinal axis determines the several of compact district
What center, to complete homogenization practice.
For example, as shown in Fig. 2, which illustrate a compact district in plane map, C point therein as passes through upper
The geometric center of the calculated compact district of step is stated, O, R, Q, S are the identification point in the compact district.For another example Fig. 3 shows Fig. 2
The cone that corresponding compact district is formed after three dimensional stress deforms, wherein C ' is the top based on the geometric center C circular cone formed
Point, C point is equal with the space length of O point to R point, therefore is space length of the C point to R point and O point with radius, in a height of geometry
The distance of the heart forms cone, Q ', S ' be respectively Q point and S press three dimensional stress deformation after be correspondingly formed the mark on cone
Know point.
Step S3 generates map based on the 3-D graphic, and shows the 3-D graphic in map.
When executing step S2, it should be noted that saving three dimensional stress deforms relevant parameter, including in three dimensional stress deformed region
Height (the circle of identification point matching degree coefficient (coordinate weighting coefficient), 3-D graphic when identification point position data, Homogenization Treatments
Cone height).Based on these parameters, the calculating factor of the fuzzy algorithmic approach of compact district can with self study be optimized and revised.In addition, each
The matching degree coefficient of a identification point determines the center position adjustment of three dimensional stress figure, that is, has what is stressed to match scale close to high
Know point, so that deformed position height is improved, and the height of 3-D graphic has determined display of the identification point after three dimensional stress
Density.Accordingly, in step s3, map is generated based on the 3-D graphic to be primarily referred to as based on corresponding with the 3-D graphic
Three dimensional stress deforms relevant parameter to generate map, and those skilled in the art can generate software using conventional map, according to this
Parameter relevant to three dimensional stress deformation generates map a bit.
Further, shown in map the 3-D graphic include: for multiple 3-D graphic, and press multiple displaying ratios
Example shows 3-D graphic in map, wherein the corresponding displaying ratio of each 3-D graphic is different.In this way, may make each three-dimensional
Figure is shown on an output screen in the ratio that respectively can clearly show, " three-dimensional and homogenization " puts down in newly-generated
It is shown in the map of face, so that user need not be mobile in output screen and scales map to keep the position of identification point clear
Chu.
Step S4 adjusts the 3-D graphic shown in map by the three-dimensional manipulating that can graphically interact.
Here, above-mentioned parameter relevant to three dimensional stress deformation inversely can be influenced to the manual setting of three dimensional stress figure,
To need to save these parameters in real time.
When the effect of the map shown after step S1-S3, which is not able to satisfy user, to be required, pass through step in the present embodiment
Rapid S4 adjusts the 3-D graphic of generation.Wherein, the three-dimensional manipulating that can graphically interact mainly includes that three-dimensional increase operates
Or three-dimensional weaken operates.Also, when the 3-D graphic shown in adjusting map, tune on the whole can be carried out to the 3-D graphic
It is whole, it can also targetedly adjust the part of 3-D graphic.
In addition, it is necessary to which the parameter for saving step S4 progress three-dimensional manipulating and adjustment as a result, to change the step S1- accordingly
S3 formed initial 3-D graphic amplification/diminution deformation parameter, and then next time show when influence identification point region three-dimensional
Change deformation effect, to improve initial 3-D graphic, more to meet user demand.
Based on invention thinking identical with above-mentioned map methods of exhibiting, the embodiments of the present invention also provide a kind of maps
Device is shown, as shown in figure 4, the map displaying device includes: division module 1, for the position according to identification point to be presented
Information is identified a subregion；Deformation module 2, the compact district for being greater than predefined intensive threshold value to mark dot density carry out
Homogenization Treatments and three dimensional stress deformation, to form corresponding 3-D graphic, and keep all identification points in the compact district uniform
It is distributed in the surface for the 3-D graphic to be formed；And display module 3, for generating map based on the 3-D graphic, and on ground
The 3-D graphic is shown in figure.
Further, the deformation module includes: Homogenization Treatments submodule, for calculating identification point in the compact district
The geometric center of distribution is uniformly distributed each identification point relative to the geometric center；Three dimensional stress deformation sub-module, for institute
Stating geometric center is three-dimensional shaft, and formation is increased and is distributed in along the Z axis of the three-dimensional shaft to project position where the geometric center
It is set to the cone on vertex, and all identification points in the compact district is made to be evenly distributed on the surface of the cone；And
Distribution setting submodule, for by the level configurations of the cone be meet the spaces of all identification points in the compact district away from
From more than or equal to predefined amplification distance threshold.Wherein, plane projection position of each identification point in the cone
It is identical as the coordinate indicated in the location information of each identification point.
Further, the display module is used to generate map based on the 3-D graphic, and in map described in displaying
3-D graphic includes: that it is raw to deform relevant parameter based on three dimensional stress corresponding to the 3-D graphic for multiple 3-D graphic
3-D graphic is shown in map at map, and in the ratio that the multiple 3-D graphic respectively can clearly be shown.
In addition, the map displaying device further include: adjustment module 4, for by the three-dimensional manipulating that can graphically interact come
Adjust the 3-D graphic shown in map.
Map displaying device described in the present embodiment is identical as the above-mentioned specific implementation process of map methods of exhibiting or phase
Closely, details are not described herein.
Map displaying device that the embodiment of the present invention is related to and method are illustrated below by an application examples
Using and advantage.The application examples uses above-mentioned map displaying device or method, as shown in figure 5, concrete operations include following
Step:
S10, user input keyword " coal mine ", obtain original map information.As shown in fig. 6, input coal mine is retrieved
Afterwards, occurs the coal mine shown in A-H identification point in original map.
S20, user click three dimensional stress the Warp button, carry out three dimensional stress deformation, make to meet the identification point of search condition by
Preset parameter display is on map.As shown in fig. 7, obtaining the deformed effect with taper body display of three dimensional stress on map
Fruit.
Wherein, the function of the Warp button is then involved by map displaying device or method based on the embodiment of the present invention
And technical solution realize.
S30, user can be used mouse adjustment deformation extent, adjust system automatically by clicking " confirmation " button after the completion
It is whole and save deformation parameter.As shown in figure 8, showing the bandwagon effect after being adjusted to the bullet of Fig. 7.
In conclusion map displaying device and method compared with existing map display technique, in the embodiment of the present invention
Have the advantages that the following aspects:
1) existing map display technique is shown generally according to some single scale, and can be in the embodiment of the present invention
Realization has multiple display scales to exist simultaneously in a map view.
2) existing map display technique shows a portion when showing multiple ground map logos being within close proximity or only
Ground map logo or overlapping are display together, and greatly reduce user experience, or even mislead user.The embodiment of the present invention then will
Each possibility overlapping region carries out three dimensional stress deformation according to different deformation parameters, both ensure that user's overall situation saw map, and had also protected
That has demonstrate,proved mark compact district does not overlap displaying.
3) simultaneously, the not simple local map amplification of partial 3 dization deformation in the embodiment of the present invention, passes through
Three dimensional stress closely shows the three-dimensional in region and the corresponding diminution of integral planar map, accomplishes that user is made to focus more on key
In range while result, it is affected the distance between three dimensional stress region effect not, but can be by by two-dimensional water
Flat coordinate distance is changed into level/vertical distance synthesis and shows.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (8)
1. a kind of map methods of exhibiting, which is characterized in that the map methods of exhibiting includes:
A subregion is identified according to the location information of identification point to be presented；
Homogenization Treatments and three dimensional stress deformation are carried out to the compact district that mark dot density is greater than predefined intensive threshold value, to be formed
Corresponding 3-D graphic, and all identification points in the compact district is made to be evenly distributed on the surface for the 3-D graphic to be formed, have
Body includes: the geometric center for calculating identification point distribution in the compact district, keeps each identification point uniform relative to the geometric center
Distribution；And using the geometric center as three-dimensional shaft, formation is increased along the Z axis of the three-dimensional shaft and is distributed in the geometry
Projected position where the heart is the cone on vertex, and all identification points in the compact district is made to be evenly distributed on the cone
Surface；Wherein, each identification point indicates in the location information of plane projection position and each identification point in the cone
Coordinate it is identical；And
Map is generated based on the 3-D graphic, and shows the 3-D graphic in map.
2. map methods of exhibiting according to claim 1, which is characterized in that the position according to identification point to be presented
Information is identified a subregion
According to the location information of identification point to be presented, the identification point of positional distance within a preset range is divided in same area
Domain.
3. map methods of exhibiting according to claim 1, which is characterized in that the map methods of exhibiting further include:
Level configurations by the cone are to meet the space lengths of all identification points in the compact district to be greater than or be equal to pre-
The amplification distance threshold of definition.
4. map methods of exhibiting according to claim 1, which is characterized in that described to generate ground based on the 3-D graphic
Figure, and show that the 3-D graphic includes: in map
For multiple 3-D graphic, relevant parameter is deformed based on three dimensional stress corresponding to the 3-D graphic and generates map, and
3-D graphic is shown in map in multiple displaying ratios, wherein the corresponding displaying ratio of each 3-D graphic is different.
5. map methods of exhibiting according to any one of claim 1 to 4, which is characterized in that the map methods of exhibiting is also
Include:
The 3-D graphic shown in map is adjusted by the three-dimensional manipulating that can graphically interact.
6. a kind of map displaying device, which is characterized in that the map displaying device includes:
Division module, for being identified a subregion according to the location information of identification point to be presented；
Deformation module, the compact district for being greater than predefined intensive threshold value to mark dot density carry out Homogenization Treatments and three-dimensional
Change deformation, to form corresponding 3-D graphic, and all identification points in the compact district is made to be evenly distributed on the three-dimensional to be formed
The surface of figure；And
Display module for generating map based on the 3-D graphic, and shows the 3-D graphic in map；
Wherein, the deformation module includes:
Homogenization Treatments submodule keeps each identification point opposite for calculating the geometric center that identification point is distributed in the compact district
It is uniformly distributed in the geometric center；
Three dimensional stress deformation sub-module, for using the geometric center as three-dimensional shaft, formation to increase and divides along the Z axis of the three-dimensional shaft
It is distributed in using projected position where the geometric center as the cone on vertex, and keeps all identification points in the compact district uniform
It is distributed in the surface of the cone；And
Distribution setting submodule, for being the sky for meeting all identification points in the compact district by the level configurations of the cone
Between distance be greater than or equal to predefined amplification distance threshold；
Wherein, the seat that each identification point indicates in the location information of plane projection position and each identification point in the cone
It marks identical.
7. map displaying device according to claim 6, which is characterized in that the display module is used to be based on the three-dimensional
Graphic hotsopt map, and show that the 3-D graphic includes: in map
For multiple 3-D graphic, relevant parameter is deformed based on three dimensional stress corresponding to the 3-D graphic and generates map, and
3-D graphic is shown in map in multiple displaying ratios, wherein the corresponding displaying ratio of each 3-D graphic is different.
8. map displaying device according to claim 6 or 7, which is characterized in that the map displaying device further include:
Module is adjusted, for adjusting the 3-D graphic shown in map by the three-dimensional manipulating that can graphically interact.
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| JP6881180B2 (en) * | 2017-09-19 | 2021-06-02 | 株式会社デンソーウェーブ | Data display device for data analysis and data display program for data analysis |
| CN107993195A (en) * | 2017-12-07 | 2018-05-04 | 西南交通大学 | Take the small screen control with changed scale ruler traffic route drawing generating method of shape control into account |
| CN108776669B (en) * | 2018-05-07 | 2024-01-09 | 平安科技（深圳）有限公司 | Map display method, map display device, computer device and storage medium |
| CN110866071B (en) * | 2018-08-14 | 2022-08-30 | 海能达通信股份有限公司 | Map object display method, device, equipment and storage medium |
| CN110222130B (en) * | 2019-04-25 | 2023-07-21 | 五八有限公司 | Map dense information dispersion display method and device, electronic equipment and storage medium |
| CN111275812B (en) * | 2020-01-19 | 2023-10-17 | 北京恒华伟业科技股份有限公司 | Data display method and device and electronic equipment |
| CN113198181A (en) * | 2021-05-27 | 2021-08-03 | 星漫互动(苏州)网络科技有限公司 | Editing method and system suitable for large-scale game scene |
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