CN102542903B - Method and device for fluent movement of map - Google Patents
Method and device for fluent movement of map Download PDFInfo
- Publication number
- CN102542903B CN102542903B CN201010616249.7A CN201010616249A CN102542903B CN 102542903 B CN102542903 B CN 102542903B CN 201010616249 A CN201010616249 A CN 201010616249A CN 102542903 B CN102542903 B CN 102542903B
- Authority
- CN
- China
- Prior art keywords
- map
- data
- bitmap
- region
- buffer area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The embodiment of the invention discloses a method and a device for fluent movement of a map, which are used for realizing the fluent movement of the map. The method disclosed by the embodiment of the invention comprises the following steps of: acquiring a map range to be drawn on a current display interface in a real-time manner; judging whether the map range to be drawn is in a preset reference bitmap or not; displaying the part in the reference bitmap, which corresponds to the map to be drawn, on the current display interface if the map range to be drawn is completely positioned in the reference bitmap; judging whether data corresponding to the map to be drawn is buffered in a data buffer area or not if the map range to be drawn is not positioned in the reference bitmap; acquiring the data corresponding to the map to be drawn from the data buffer area if the data corresponding to the map to be drawn is buffered in the data buffer area; and displaying the corresponding map on the current display interface according to the acquired data. The embodiment of the invention further comprises the device corresponding to the method, which can effectively realize the fluent movement of the map.
Description
Technical field
The present invention relates to navigation field, particularly relate to a kind of method and device of map smoothly movement.
Background technology
In existing airmanship, the map that display interface shows is moved along with the change of current location, in prior art, map smoothly has moved multiple implementation, such as, do not draw in the trailing process of map, drag after stopping, then obtain data corresponding to map on display interface, repaint map; Or map is in the process dragged, real-time loading data.
But, the technique effect of map smoothly movement of the prior art is not fine, due to be map stop drag after again map is upgraded or real-time loading data, to make in the trailing process of map life period difference or the Data import time longer, display interface Data Update is slow, and time extends, and efficiency is not high, well can not realize the level and smooth movement of map, the demand of user can not be met.
Summary of the invention
Embodiments provide a kind of method and device of map smoothly movement, for realizing the level and smooth movement of map.
The method of the embodiment of the present invention comprises: be moved in process at map, Real-time Obtaining current display interface needs the scope of the map drawn; Whether judge to need the scope of the map drawn in preset reference bitmap, reference bitmap is the map drawn of buffer memory; The map needing to draw completely with reference in bitmap, is then being presented in current display interface with reference to the corresponding part in bitmap by the scope of the map if desired drawn; The scope of the map if desired drawn, not with reference in bitmap, judges whether the data that the map that needs to draw is corresponding are buffered in data buffer area, and data buffer area comprises data corresponding to the map not in reference bitmap that shown; Data buffer storage corresponding to the map if desired drawn in data buffer area, then obtains the data corresponding to figure needing to draw from data buffer area; In current display interface, corresponding map is shown according to the data got.
The device of the embodiment of the present invention comprises: acquiring unit, for being moved in process at map, Real-time Obtaining current display interface needs the scope of the map drawn; First judging unit, whether need the scope of the map drawn in preset reference bitmap for judging, reference bitmap is the map drawn of buffer memory; First display unit, for the scope of map of if desired drawing completely with reference in bitmap, then will need the map drawn being presented in current display interface with reference to the corresponding part in bitmap; Second judging unit, for the scope of map of if desired drawing not with reference in bitmap, judge whether data corresponding to map needing to draw are buffered in data buffer area, data buffer area comprise shown not with reference to data corresponding to the map in bitmap; Data capture unit, data buffer storage corresponding to the map for if desired drawing, in data buffer area, obtains the data corresponding to figure needing to draw from data buffer area; Second display unit, for showing corresponding map in current display interface according to the data got.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
By using the reference bitmap drawn of buffer memory, make when the map needing to draw is in reference bitmap, can directly be presented at current display interface in figure with reference to part corresponding in bitmap by what need to draw, do not need loading and the drafting of carrying out map datum, effectively can shorten the time of map denotation, make the movement that map can be level and smooth.Meanwhile, when the map needing to draw is not in reference bitmap, by utilizing the Plotting data map of buffer memory in data buffer area effectively can avoid Data import, shortens the time of map denotation, realizing the level and smooth movement of map.
Accompanying drawing explanation
Fig. 1 is a schematic diagram of the method for a kind of map smoothly movement of the embodiment of the present invention;
Fig. 2 is another schematic diagram of the method for a kind of map smoothly movement of the embodiment of the present invention;
Fig. 3 is another schematic diagram of the method for a kind of map smoothly movement of the embodiment of the present invention;
Fig. 4 is a schematic diagram of the device of a kind of map smoothly movement of the embodiment of the present invention;
Fig. 5 is another schematic diagram of the device of a kind of map smoothly movement of the embodiment of the present invention.
Embodiment
Embodiments provide a kind of method and device of map smoothly movement, for the display of map in navigational system, make map can smoothly movement.
Refer to Fig. 1, be the embodiment of the method for a kind of map smoothly movement of the embodiment of the present invention, comprise:
101, Real-time Obtaining current display interface needs the scope of the map drawn;
Be moved in process at map, system real-time acquisition current display interface will need the scope of the map drawn.
102, judge to need the scope of the map drawn whether in preset reference bitmap, if so, then perform step 103, if not, then execution step 104;
In embodiments of the present invention, system, by Pre-set reference bitmap, is the map drawn existed with bitmap form with reference to bitmap, and is buffered in system with reference to bitmap, do not need the drafting to the loading and map carrying out data in use.
After system obtains the scope needing the map drawn, will judge that the scope of the map that the needs that get are drawn is whether in preset reference bitmap.
103, the map needing to draw is being presented in current display interface with reference to the corresponding part in bitmap;
When the scope needing the map drawn completely with reference in bitmap time, then can need from reference to obtaining current display interface buffer area corresponding to bitmap the part that the map of display is corresponding, and the part got is presented in current display interface.
104, judge whether data corresponding to map needing to draw are buffered in data buffer area, when data buffer storage corresponding to the map needing to draw is in data buffer area, perform step 105;
When needing the scope of the map drawn not in reference bitmap, system is in order to determine whether data corresponding for the map judging further to need to draw are buffered in data buffer area by the mode obtained for the data of map making.
105, from data buffer area, obtain the data needing the map of drafting corresponding;
In embodiments of the present invention, buffer memory used data in data buffer area, be specially, the data that the map not in reference bitmap shown on display interface is corresponding, by utilizing the used data of data buffer area buffer memory, to the loading of data before can mapping being avoided.
106, in current display interface, corresponding map is shown according to the data got.
System gets not after the data that the map drawn with reference to the needs in bitmap is corresponding, by the map corresponding according to the Plotting data current display interface got, and by the map denotation of drafting in current display interface.
By using the reference bitmap drawn of buffer memory, make when the map needing to draw is in reference bitmap, can directly be presented at current display interface in figure with reference to part corresponding in bitmap by what need to draw, do not need loading and the drafting of carrying out map datum, effectively can shorten the time of map denotation, make the movement that map can be level and smooth.Meanwhile, when the map needing to draw is not in reference bitmap, by utilizing the Plotting data map of buffer memory in data buffer area effectively can avoid Data import, shortens the time of map denotation, realizing the level and smooth movement of map.
In order to better understand technology, referring to Fig. 2, being the embodiment of the method for a kind of map smoothly movement of the embodiment of the present invention, comprising:
201, Real-time Obtaining current display interface needs the scope of the map drawn;
User is when using navigational system, map will be dragged as required, map is moved, or the display interface of navigational system is by the moving direction according to guider, the map that real-time change current display interface shows, such as, in auto-navigation system, display interface is by the map on renewal display interface real-time for the position residing for user, and therefore system is by the real-time drafting carrying out map.
In embodiments of the present invention, map is in the process of movement, and system real-time acquisition current display interface will need the scope of the map drawn.
202, judge to need the scope of the map drawn whether in preset reference bitmap, if so, then perform step 203, if not, then execution step 204;
User is when using navigational system, time most, the scope of map change is not too large, therefore system install beforehand is with reference to bitmap carry out buffer memory with reference to bitmap, wherein, the area with reference to bitmap is at least 2 times of the screen area of current display interface, it should be noted that, in actual applications, user can select to arrange the size with reference to bitmap as required voluntarily, when user does not arrange the size with reference to bitmap, will use the size of the reference bitmap of system default.
In in the invention process, after system gets the scope needing the map drawn, by judging to need the scope of the map drawn whether in preset reference the bitmap, to determine the obtain manner of the map of needs drafting.
203, the map needing to draw is being presented in current display interface with reference to the corresponding part in bitmap;
With reference to the map drawn that bitmap is through buffer memory, when needing the map of drafting in reference bitmap, the part needing the map of drafting corresponding can be obtained from reference bitmap, part corresponding for the map of needs drafting is presented in current display interface.
204, judge to need data corresponding to the map of drafting whether to be buffered in data buffer area, if then perform step 205, if not, then perform step 206;
The content that step 104 shown in step 204 with Fig. 1 embodiment describes is identical, repeats no more herein.
205, from data buffer area, obtain the data corresponding to figure needing to draw;
The content that step 105 shown in step 205 with Fig. 1 embodiment describes is identical, repeats no more herein.
206, the data needing the map of drafting corresponding are loaded;
When the data that the map needing to draw is corresponding are not buffered in data buffer area, system will load the data needing the map of drafting corresponding.
207, resolve the data got and obtain corresponding fixed-length data and elongated data;
System by obtaining data corresponding to map needing to draw from data buffer area, or after loading data corresponding to the map that needs to draw, obtains corresponding fixed-length data and elongated data by resolving the data got.
In embodiments of the present invention, data buffer area adopts L2 cache mechanism, and in data buffer area the packet of buffer memory comprise shown not with reference to data corresponding to the map in bitmap, carry out buffer memory by data, make map not need all to load data in drawing process at every turn.Wherein, data are divided into fixed-length data and elongated data, and data before the use system cut, packet is made to contain fixed-length data and elongated data, fixed-length data refers to that the length of the structure that data use when utilizing Plotting data map is fixing, the extreme coordinates such as, comprised in section data, shape point coordinate and number can be described as fixed-length data, the size of the structure of fixed-length data is fixing, constant, elongated data refer to that the length of the structure that data use when utilizing Plotting data map can change, the road name such as, comprised in section data is elongated data, in packet, the form with pointer offset is associated by fixed-length data and elongated data, when usage data bag, after getting fixed-length data, corresponding elongated data can be got according to the side-play amount of pointer offset, by packet being cut into fixed-length data and elongated data, can make in the process of mapping, the gibberish used tails off, accelerate the speed of mapping.
It should be noted that, in embodiments of the present invention, fixed-length data can also comprise other data messages, the coordinate address of such as buildings, elongated data also can comprise other data message, the title of such as buildings, in embodiments of the present invention, the data message that fixed-length data in packet and variable-length packet contain, depending on concrete situation, does not limit herein.
208, according to resolving the Plotting data that obtains and showing map corresponding in current display interface.
System is carried out after parsing obtains fixed-length data and elongated data to the data got, by the map corresponding according to the Plotting data current display interface after resolving, and by the map denotation drawn in current display interface.
In embodiments of the present invention, before entering next display circle, data buffer storage corresponding for the map in current display interface not in reference bitmap in data buffer area, uses in order to later by system.
By using the reference bitmap drawn of buffer memory, make when the map needing to draw is in reference bitmap, can directly be presented at current display interface in figure with reference to part corresponding in bitmap by what need to draw, do not need loading and the drafting of carrying out map datum, effectively can shorten the time of map denotation, make the movement that map can be level and smooth.Simultaneously, when the map needing to draw is not in reference bitmap, effectively Data import can be avoided by utilizing the Plotting data map of buffer memory in data buffer area, and the packet of buffer memory is containing fixed-length data and elongated data, fixed-length data associates with the mode of elongated data pointer offset, effectively can shorten the time of map denotation, realize the level and smooth movement of map.
In embodiments of the present invention, embodiment shown in Fig. 1 and Fig. 2 describes the situation of map completely in reference bitmap and not in reference bitmap needing to draw, in actual applications, also may there is another kind of situation, namely need the map segment drawn in reference bitmap, and part is not with reference in bitmap, refers to Fig. 3, for another embodiment of the method for a kind of map smoothly movement of the embodiment of the present invention, comprising:
301, exceed region by needing the scope of the map drawn to be divided into and do not exceed region;
The embodiment of the present invention is to need the map segment drawn in reference bitmap, and part is not illustrating that map realizes the mode of level and smooth movement premised in bitmap.In this case, the scope of the map of required drafting is divided into and exceeds region and do not exceed region by system, wherein, exceed region refer to not with reference to bitmap scope within region, do not exceed region refer to reference to bitmap scope within region.System is by can processing by different processing modes needing the scope of the map drawn to carry out division.
302, judge that whether exceed data corresponding to region is buffered in data buffer area, if so, then performs step 303, if not, then perform step 304;
In data buffer area buffer memory shown not with reference to data corresponding to the map within the scope of bitmap, system obtain the map needing to draw exceed region after, will judge whether exceed data corresponding to region is buffered in data buffer area.
303, from data buffer area, exceed data corresponding to region described in acquisition, continue to perform step 306;
When exceed data corresponding to region in data buffer area time, corresponding data can be obtained from data buffer area, effectively avoid the loading of data.
304, loading exceeds data corresponding to region;
When exceed data corresponding to region not in data buffer area time, system by loading exceed packet corresponding to region.
305, exceed according to what get the map that Plotting data corresponding to region exceed region;
System exceeds data corresponding to region by obtaining from data buffer area, or after exceeding data corresponding to region by loading, map corresponding to region is exceeded by according to Plotting data corresponding to region that exceed got, in embodiments of the present invention, the packet obtained from data buffer area is containing fixed-length data and elongated data, before mapping, need to carry out parsing to data and obtain fixed-length data and elongated data, recycling fixed-length data and elongated data are carried out mapping and are obtained exceeding map corresponding to region.
306, will the map in region be exceeded and not exceed region and be presented in current display interface with reference to part corresponding in bitmap.
In embodiments of the present invention, do not exceed map corresponding to region to obtain from reference to bitmap, therefore, after system is drawn and exceeded map corresponding to region, by exceeding the map in region and not exceeding region being presented in current display interface with reference to part corresponding in bitmap, realize the display of map.
In embodiments of the present invention, by utilizing the display realizing map with reference to bitmap and data buffer area, and the packet in buffer area is containing fixed-length data and elongated data, makes the time shorten of map denotation, realizes the level and smooth movement of map.
Refer to Fig. 4, be the embodiment of the device of a kind of map smoothly movement of the embodiment of the present invention, comprise:
Acquiring unit 401, for being moved in process at map, Real-time Obtaining current display interface needs the scope of the map drawn;
First judging unit 402, whether need the scope of the map drawn in preset reference bitmap for judging, reference bitmap is the map drawn of buffer memory;
First display unit 403, for the scope of map of if desired drawing completely with reference in bitmap, then will need the map drawn being presented in current display interface with reference to the corresponding part in bitmap;
Second judging unit 404, for the scope of map of if desired drawing not with reference in bitmap, judge whether data corresponding to map needing to draw are buffered in data buffer area, data buffer area comprise shown not with reference to data corresponding to the map in bitmap;
Data capture unit 405, data buffer storage corresponding to the map for if desired drawing, in data buffer area, obtains the data corresponding to figure needing to draw from data buffer area;
Second display unit 406, for showing corresponding map in current display interface according to the data got.
In embodiments of the present invention, device also comprises:
Data import unit 407, the data that the map if desired drawn is corresponding are not buffered in data buffer area, reload the data needing the map of drafting corresponding.
In embodiments of the present invention, be moved in process at map, acquiring unit 401 Real-time Obtaining current display interface will need the scope of the map drawn, then whether the first judging unit 402 needs the scope of the map drawn in preset reference bitmap by judging, the scope of the map if desired drawn is completely in reference bitmap, and the map needing to draw is being presented in current display interface with reference to the corresponding part in bitmap by the first display unit 403, the scope of the map if desired drawn is not in reference bitmap, whether data corresponding for the map judging to need to draw are buffered in data buffer area by the second judging unit 404, data buffer storage corresponding to the map if desired drawn is in data buffer area, data capture unit 405 obtains the data corresponding to figure needing to draw from data buffer area, if desired the data that the map drawn is corresponding are not buffered in data buffer area, Data import unit 407 will load the data needing the map of drafting corresponding, after system gets data, second display unit 406 shows corresponding map by according to the data got in current display interface.
In embodiments of the present invention, device embodiment illustrated in fig. 4 is two kinds of situations of map in reference bitmap and not in reference bitmap for drawing when needs, in actual applications, also there is another kind of situation, namely need the map segment drawn in reference bitmap, refer to Fig. 5, be another device embodiment of a kind of map smoothly movement of the embodiment of the present invention, comprise:
Division unit 501, for working as a part for the scope needing the map drawn with reference in bitmap, is then divided into the scope of the map needing drafting and exceeds region and do not exceed region;
3rd judging unit 502, judges whether exceed data corresponding to region is buffered in data buffer area;
Acquiring unit 503, for when exceed data buffer storage corresponding to region in data buffer area time, then from data buffer area obtain exceed data corresponding to region;
Loading unit 504, for when exceeding data corresponding to region and not being buffered in data buffer area, then loads and exceeds data corresponding to region;
Drawing unit 505, for exceeding according to what get the map that Plotting data corresponding to region exceed region;
3rd display unit 506, for being presented at current display interface by the map and the described region that do not exceed that exceed region with reference to part corresponding in bitmap.
In embodiments of the present invention, when a part for the scope of the map of needs drafting is in reference bitmap, division unit 501 exceeds region by needing the scope of the map drawn to be divided into and does not exceed region, whether judgement is exceeded data corresponding to region and is buffered in data buffer area by the 3rd judging unit 502, when exceed data buffer storage corresponding to region in data buffer area time, acquiring unit 503 exceeds data corresponding to region by obtaining from data buffer area, when exceeding data corresponding to region and not being buffered in data buffer area, loading is exceeded data corresponding to region by loading unit 504, drawing unit 505 will exceed according to what get the map that Plotting data corresponding to region exceed region, finally, the map and the described region that do not exceed that exceed region are being presented in current display interface with reference to part corresponding in bitmap by the 3rd display unit 506.
By using the reference bitmap drawn of buffer memory, make when the map needing to draw is in reference bitmap, can directly be presented at current display interface in figure with reference to part corresponding in bitmap by what need to draw, do not need loading and the drafting of carrying out map datum, effectively can shorten the time of map denotation, make the movement that map can be level and smooth.Simultaneously, when the map needing to draw is not in reference bitmap, effectively Data import can be avoided by utilizing the Plotting data map of buffer memory in data buffer area, and the packet of buffer memory is containing fixed-length data and elongated data, fixed-length data associates with the mode of elongated data pointer offset, effectively can shorten the time of map denotation, realize the level and smooth movement of map.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.
Above the method for a kind of map smoothly movement provided by the present invention and device are described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a method for map smoothly movement, is characterized in that, comprising:
Be moved in process at map, Real-time Obtaining current display interface need the scope of the map drawn;
Judge that the described scope of the map drawn that needs is whether in preset reference bitmap, described reference bitmap is the map drawn of buffer memory;
Need the scope of the map drawn if described completely in described reference bitmap, then the described map needing to draw is presented in current display interface described with reference to the corresponding part in bitmap;
The scope of the map drawn is needed not in described reference bitmap if described, then judge whether described data corresponding to map needing to draw are buffered in data buffer area, described data buffer area comprise shown not in the described data corresponding with reference to the map in bitmap;
When described data buffer storage corresponding to map needing to draw is in described data buffer area, from described data buffer area, then obtain the data that the described map needing to draw is corresponding, the data that described map is corresponding comprise fixed-length data and elongated data, and described fixed-length data passes through the form of pointer offset and described elongated data correlation;
In current display interface, show corresponding map according to the data got, and be not cached in data buffer area with reference to the map corresponding data in bitmap by current display interface;
The described area with reference to bitmap is at least 2 times of the screen area of current display interface, and described data buffer area adopts L2 cache mechanism.
2. method according to claim 1, is characterized in that, described method also comprises:
If the data that the described map needing to draw is corresponding are not buffered in described data buffer area, then load the data that the described map needing to draw is corresponding.
3. method according to claim 1, is characterized in that, described method also comprises;
Need a part for the scope of the map drawn described with reference in bitmap when described, then the scope of the map drawn by described needs is divided into and exceeds region and do not exceed region;
Whether exceed data corresponding to region described in judgement is buffered in described data buffer area;
If so, data corresponding to region are exceeded described in then obtaining from described data buffer area;
If not, then data corresponding to region are exceeded described in loading;
According to the map exceeding Plotting data corresponding to region described in getting and exceed region;
The map exceeding region by described and the described region that do not exceed are presented in current display interface with reference to part corresponding in bitmap described.
4. method according to claim 1, is characterized in that, the data that described basis gets show corresponding map and comprise in current display interface:
Resolve the data got and obtain corresponding fixed-length data and elongated data;
The Plotting data obtained according to parsing also shows map corresponding in current display interface.
5. the method according to claim 1 or 4, is characterized in that, described fixed-length data comprises the extreme coordinates in section, shape point coordinate and shape point number, and elongated data are containing the road name in section.
6. a device for map smoothly movement, is characterized in that, comprising:
Acquiring unit, for being moved in process at map, Real-time Obtaining current display interface needs the scope of the map drawn;
First judging unit, for judging that the described scope of the map drawn that needs is whether in preset reference bitmap, described reference bitmap is the map drawn of buffer memory;
First display unit, if need the scope of the map drawn completely in described reference bitmap for described, is then presented at current display interface in described with reference to the corresponding part in bitmap by the described map needing to draw;
Second judging unit, if need the scope of the map drawn not in described reference bitmap for described, judge whether described data corresponding to map needing to draw are buffered in data buffer area, described data buffer area comprise shown not in the described data corresponding with reference to the map in bitmap;
Data capture unit, for when described data buffer storage corresponding to map needing to draw is in described data buffer area, the data that the described map needing to draw is corresponding are obtained from described data buffer area, what described map was corresponding comprises fixed-length data and elongated data, and described fixed-length data passes through the form of pointer offset and described elongated data correlation;
Second display unit, for showing corresponding map in current display interface according to the data got;
Buffer unit, for not being cached in current display interface in data buffer area with reference to the map corresponding data in bitmap.
7. device according to claim 6, is characterized in that, described device also comprises:
Data import unit, if be not buffered in described data buffer area for the data that the described map needing to draw is corresponding, loads the data that the described map needing to draw is corresponding.
8. device according to claim 6, is characterized in that, described device also comprises:
Division unit, for needing a part for the scope of the map drawn described with reference in bitmap when described, then the scope of the map drawn by described needs is divided into and exceeds region and do not exceed region;
Whether the 3rd judging unit, exceed data corresponding to region and be buffered in described data buffer area described in judgement;
Acquiring unit, for when described in exceed data buffer storage corresponding to region in described data buffer area time, then from described data buffer area obtain described in exceed data corresponding to region;
Loading unit, for when described in exceed data corresponding to region be not buffered in described data buffer area time, then load described in exceed data corresponding to region;
Drawing unit, exceeds the map that Plotting data corresponding to region exceeds region for basis described in getting;
3rd display unit, is presented at current display interface described with reference to part corresponding in bitmap for the map that exceeds region by described and the described region that do not exceed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010616249.7A CN102542903B (en) | 2010-12-30 | 2010-12-30 | Method and device for fluent movement of map |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010616249.7A CN102542903B (en) | 2010-12-30 | 2010-12-30 | Method and device for fluent movement of map |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102542903A CN102542903A (en) | 2012-07-04 |
| CN102542903B true CN102542903B (en) | 2015-07-15 |
Family
ID=46349687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010616249.7A Active CN102542903B (en) | 2010-12-30 | 2010-12-30 | Method and device for fluent movement of map |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102542903B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021259B (en) * | 2012-12-11 | 2016-03-30 | 广东威创视讯科技股份有限公司 | The rendering intent of map movement and system |
| CN103605462A (en) * | 2013-11-21 | 2014-02-26 | 广东威创视讯科技股份有限公司 | Map image displaying method and controller |
| CN105975541A (en) * | 2013-12-30 | 2016-09-28 | 北京奇虎科技有限公司 | Device and method for controlling translation of electronic map |
| CN104251707B (en) * | 2014-09-04 | 2018-03-23 | 百度在线网络技术（北京）有限公司 | A kind of map loading method and device for being used to navigate |
| CN105575254B (en) * | 2014-11-11 | 2019-10-22 | 高德信息技术有限公司 | Electronic map road rendering method and device |
| CN113515584B (en) * | 2021-07-13 | 2023-11-24 | 禾多阡陌科技(北京)有限公司 | Local map data distribution method, device, electronic equipment and medium |
| CN114546232A (en) * | 2022-04-24 | 2022-05-27 | 广州中望龙腾软件股份有限公司 | View translation method, terminal and computer-readable storage medium |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4391758B2 (en) * | 2003-04-02 | 2009-12-24 | アルパイン株式会社 | Car navigation system |
| JP2006023495A (en) * | 2004-07-07 | 2006-01-26 | Denso Corp | Map display device |
| JP4974217B2 (en) * | 2006-11-27 | 2012-07-11 | アルパイン株式会社 | Navigation device |
| US8203578B2 (en) * | 2007-10-30 | 2012-06-19 | Alpine Electronics, Inc. | Map scroll method and apparatus for conducting smooth map scroll operation for navigation system |
| JP2009157053A (en) * | 2007-12-26 | 2009-07-16 | Aisin Aw Co Ltd | Three-dimensional map display navigation device, three-dimensional map display system, and three-dimensional map display program |
| JP5299995B2 (en) * | 2008-08-26 | 2013-09-25 | アルパイン株式会社 | Map display device |
| CN101388157B (en) * | 2008-09-25 | 2011-11-30 | 炬力集成电路设计有限公司 | Electronic map display method, apparatus and equipment |
| CN101640000B (en) * | 2009-06-01 | 2011-12-28 | 北京四维图新科技股份有限公司 | Map display method, map display system, navigator and electronic map |
-
2010
- 2010-12-30 CN CN201010616249.7A patent/CN102542903B/en active Active
Non-Patent Citations (4)
| Title |
|---|
| MapInfo格式的地图数据在嵌入式导航系统中的应用;李杰;《计算机工程与应用》;20031231;第214-217页 * |
| 一种基于关系数据库的空间数据管理方法;汪璟玢 等;《计算机应用 》;20040630;第24卷;第105-107页 * |
| 基于Access数据库的地理数据一体化管理研究;刘海砚 等;《测绘学院学报》;20010930;第18卷(第3期);第204-206页 * |
| 基于ORDBMS的GIS空间数据管理模式及其应用;张茂震 等;《地球信息科学》;20041231;第6卷(第4期);第110-115页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102542903A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102542903B (en) | Method and device for fluent movement of map | |
| AU2018211233B2 (en) | Pre-fetching map tile data along a route | |
| KR102056882B1 (en) | Managing map elements using aggregate feature identifiers | |
| CN1270278C (en) | Z-buffer technology for figure heightening | |
| TW200303495A (en) | Efficient graphics state management for zone rendering | |
| CN103853621B (en) | A kind of striding course exchange method and related terminal device | |
| EP2141457A3 (en) | Information display method, information processing apparatus, and information display program | |
| CN102141406B (en) | Method for depicting electronic navigation map and server | |
| KR20160046293A (en) | A tile based graphics processor and a method of performing graphics processing in a tile based graphics processor | |
| DE102013014846A1 (en) | Systems and methods for partial frame buffer update | |
| US8832414B2 (en) | Dynamically determining the profitability of direct fetching in a multicore architecture | |
| ES2565338T3 (en) | Increased pointer based on vectors | |
| CN105575254A (en) | Electronic map road rendering method and apparatus | |
| CN108416000A (en) | Method for exhibiting data, device, equipment and storage medium | |
| CN104281668A (en) | Data processing method | |
| JP3621572B2 (en) | Map data prefetching method and map scrolling method | |
| CN105160005A (en) | Mass POI (Point Of Interest) map data display method based on Web browser | |
| CN108897630B (en) | OpenCL-based global memory caching method, system and device | |
| CN107844380A (en) | A kind of multi-core buffer WCET analysis methods for supporting instruction prefetch | |
| CN109389548B (en) | Computer system and drawing processing method thereof | |
| JP5662729B2 (en) | Map data distribution system and map data distribution method | |
| CN110647597B (en) | Rendering method and device of electronic map | |
| CN105630967A (en) | Caching method and device based on GIS display data | |
| CN102799352A (en) | Method for capturing graph nodes | |
| CN111402348B (en) | Lighting effect forming method and device and rendering engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method and device for fluent movement of map Effective date of registration: 20190404 Granted publication date: 20150715 Pledgee: Jiading Branch of Shanghai Bank Co., Ltd. Pledgor: Shanghai Botai Yuezhen Electrical Equipment Manufacturing Co., Ltd. Registration number: 2019110000002 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 201815 208, building 4, No. 1411, Yecheng Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee after: Botai vehicle networking technology (Shanghai) Co.,Ltd. Address before: 200233 block D, 2f, Zhaofeng global building, No. 1800, Zhongshan West Road, Xuhui District, Shanghai Patentee before: SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20220329 Registration number: 2019110000002 Pledgor after: Botai vehicle networking technology (Shanghai) Co.,Ltd. Pledgor before: SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING Co.,Ltd. |
|
| PM01 | Change of the registration of the contract for pledge of patent right |