CN105225196A - A kind of cell phone map generation method based on online tile and real-time rendering integration technology - Google Patents
A kind of cell phone map generation method based on online tile and real-time rendering integration technology Download PDFInfo
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- CN105225196A CN105225196A CN201410255396.4A CN201410255396A CN105225196A CN 105225196 A CN105225196 A CN 105225196A CN 201410255396 A CN201410255396 A CN 201410255396A CN 105225196 A CN105225196 A CN 105225196A
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Abstract
The present invention proposes a kind of cell phone map generation method playing up map integration technology based on online tile and vector, by online or realize off-line and download map vector data, the real-time rendering map when map view, the image cache will played up again simultaneously.When carrying out map inquiry and browsing, this locality is carried out to map datum and plays up, and the grid map playing up generation is kept at local as buffer memory, when again browsing this map area afterwards, do not need to repeat to play up, directly call the grille picture file of buffer memory.Do the advantage both having remained map real-time rendering like this, solved by the strategy of buffer memory again simultaneously and repeat to play up the performance issue brought.
Description
Technical field
The present invention relates to cell phone map development technique field, what be specifically related to is the generation method aspect of cell phone map.
Background technology
At present, along with the development of mobile Internet, along with the fast lifting of mobile phone soft hardware performance and the development of 3G network, cell phone map becomes popular application.But the cell phone map development technique of different brands and manufacturer and method are all not quite similar.
Cell phone map play up with generation technique in, there are 2 kinds of conventional arts.One is online tile map, and another kind is map vector.The feature of online tile map is that map is played up in advance and generated grille picture, is kept at server end, mobile phone to carry out when map loads in real time by network from server end download pictures; Another kind of map vector is then online or downloads map vector data bag in advance, carries out real-time graph play up when carrying out map view in mobile phone this locality to vector data.
Above two kinds of classic methods respectively have relative merits, and the first online tile map method advantage is that mobile phone terminal does not need to calculate, and low to hardware requirement, speed is fast.Shortcoming is high to network requirement, and campus network is high; The advantage of the second map vector does not need real-time interconnection, and hardware adaptation is simple, and map effect is attractive in appearance.Shortcoming requires high to mobile phone hardware configuration, and power consumption is large.
Summary of the invention
The object of the invention is to propose a kind of ground drawing generating method merged based on vector tile newly, effectively can solve that the such as flow that current conventional art exists is large, hardware configuration requires high major defect, the advantage of prior art can be retained again simultaneously.Make browsing of cell phone map more smooth and easy, cost is lower, and suitability is better.
Particular content is, cell phone map when loading by the disposable download of network or download and install map vector data bag in advance, when carrying out map inquiry and browsing, carry out this locality to map datum to play up, and the grid map playing up generation is kept at local as buffer memory, when again browsing this map area afterwards, do not need to repeat to play up, directly call the grille picture file of buffer memory.Do the advantage both having remained map real-time rendering like this, solved by the strategy of buffer memory again simultaneously and repeat to play up the performance issue brought.
Embodiment
In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In order to realize method of the present invention, carry out according to following steps:
1, when cell phone map program first time starts, the map vector data of networking Download Server end is first carried out, under saving the data in mobile phone local directory.
2, map vector data is carried out automatic decompress(ion) in this locality
3, the current map vision browsed and engineer's scale is calculated
4, start local vector data and play up thread, the map vector data in the region that will browse carries out playing up with this according to coordinate and map overlay order
5, the picture playing up generation is presented on mobile phone screen, simultaneously by this image cache under the fixing catalogue of this locality, and to identify using map vision and engineer's scale as directory index
6, when carrying out map and continuing to browse, the operation of the 3rd step is repeated
7, according to the map vision calculated and engineer's scale, under local cache catalogue, search the map picture file that whether there is buffer memory, if existed, directly read display; If there is no, the operation re-executing the 5th step is continued.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. a cell phone map generation method, by online or realize off-line and download map vector data, the real-time rendering map when map view, simultaneously again by the image cache played up in this locality.
2. cell phone map generation method according to claim 1, is characterized in that having merged online tile map and vector plays up map mechanism.
3. according to claim 1ly merged the cell phone map generation method that online tile map and vector play up map mechanism, its principal character is also the local cache mechanism of this A Yong map real-time rendering data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255396.4A CN105225196A (en) | 2014-06-10 | 2014-06-10 | A kind of cell phone map generation method based on online tile and real-time rendering integration technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255396.4A CN105225196A (en) | 2014-06-10 | 2014-06-10 | A kind of cell phone map generation method based on online tile and real-time rendering integration technology |
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| CN105225196A true CN105225196A (en) | 2016-01-06 |
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| CN201410255396.4A Pending CN105225196A (en) | 2014-06-10 | 2014-06-10 | A kind of cell phone map generation method based on online tile and real-time rendering integration technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808756A (en) * | 2016-03-15 | 2016-07-27 | 佛山市网冠金属制品有限公司 | Map retrieval method and map retrieval system |
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2014
- 2014-06-10 CN CN201410255396.4A patent/CN105225196A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808756A (en) * | 2016-03-15 | 2016-07-27 | 佛山市网冠金属制品有限公司 | Map retrieval method and map retrieval system |
| CN105808756B (en) * | 2016-03-15 | 2019-05-24 | 佛山市网冠金属制品有限公司 | A kind of map retrieval method and its system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160106 |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| DD01 | Delivery of document by public notice |
Addressee: SHANGHAI ZHENTU INFORMATION TECHNOLOGY CO., LTD. Document name: Notification that Application Deemed to be Withdrawn |
|
| DD01 | Delivery of document by public notice |