CN110457271B - Tile map updating method and system - Google Patents
Tile map updating method and system Download PDFInfo
- Publication number
- CN110457271B CN110457271B CN201910743631.5A CN201910743631A CN110457271B CN 110457271 B CN110457271 B CN 110457271B CN 201910743631 A CN201910743631 A CN 201910743631A CN 110457271 B CN110457271 B CN 110457271B
- Authority
- CN
- China
- Prior art keywords
- tile
- file
- map
- target
- information
- 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
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000007781 pre-processing Methods 0.000 claims description 14
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/14—Details of searching files based on file metadata
- G06F16/148—File search processing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Library & Information Science (AREA)
- Human Computer Interaction (AREA)
- Instructional Devices (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention discloses a tile map updating method and a tile map updating system, wherein a target remote sensing image file is generated into a tile file according to a preset reference slice file; calculating the intersection of the space range of the tile map of the tile file and the space range of the tile map corresponding to the reference file to obtain a space range to be updated; based on the space range, obtaining the corresponding tile information of the tile to be updated in the reference slice file; and updating the tile map according to the tile information to obtain the updated tile map. According to the method and the device, the newly published remote sensing image file is compared with the reference slice file, and then the tile map is updated based on the comparison area, so that the problem that a large number of tile files are generated and excessive resources are consumed in the prior art can be solved, and the updating efficiency of the tile map is improved.
Description
Technical Field
The invention relates to the technical field of map making, in particular to a tile map updating method and system.
Background
The rendered pictures are cut into small pictures according to a certain rule and a scale, the pictures are called tiles, and the tile map technology is a main approach for solving the internet map service. There is one such type of tile map service for browsing: the tile map service has the presentation content of a time-series remote sensing image superposition effect of a certain area, the latest data is always on the uppermost layer, but the latest data does not necessarily cover the whole area, and the existing latest data (pushed forward from the current point, the latest data covers) is presented in a place without the latest data. The traditional solution organizes the remote sensing images according to a time sequence by updating the service every time, and is used for tile map service making.
As time continues to accumulate, there are more and more corresponding image files in the same area, and more files for generating a specific map tile, and generation of one map tile may require hundreds of thousands or even more remote sensing image files covered in the same area, which may cause consumption of a large amount of CPU and IO resources in order to generate the corresponding map tile, and affect map updating efficiency.
Disclosure of Invention
In order to solve the problems, the invention provides a tile map updating method and system, which reduce energy consumption and improve map updating efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
a tile map updating method, comprising:
generating a tile file from the target remote sensing image file according to a preset reference slice file;
calculating the intersection of the space range of the tile map of the tile file and the space range of the tile map corresponding to the reference slice file to obtain a space range to be updated;
on the basis of the space range, obtaining the corresponding tile information of the tile to be updated in the reference slice file;
and updating the tile map according to the tile information to obtain the updated tile map.
Optionally, the method further comprises:
a reference slice file is created.
Optionally, the creating a reference slice file includes:
creating a tile map service for a target area based on a slice file;
determining basic information of the tile map service, and determining the reference slice file based on the basic information and the tile map service;
wherein the basic information comprises a spatial range, a storage location, a spatial reference frame type, and a tile file type.
Optionally, the generating a tile file from the target remote sensing image file according to a preset reference slice file includes:
analyzing the preset reference slice file to obtain a tile format of the reference slice file;
generating an initial tile file corresponding to the target remote sensing image file and the tile format, wherein the tile format is a PNG format;
and preprocessing the initial tile file to obtain the tile file, wherein the preprocessing representation sets an alpha channel information mark for the initial tile file, when a certain pixel point in the tile has content, the value of an alpha channel is set to be 1, otherwise, the value of the alpha channel is set to be 0.
Optionally, the updating the tile map according to the tile information to obtain an updated tile map includes:
according to the tile information, determining tile serial number information sequentially extracted in the space range;
and inquiring a target tile corresponding to the reference tile map service according to the tile serial number information, and updating the target tile to obtain an updated tile map.
Optionally, the querying, according to the tile sequence number information, a reference tile map service corresponding to the reference slice file for a target tile corresponding to the reference tile map service to update includes:
and inquiring a new tile with the tile serial number information and a reference tile map service corresponding to the reference slice file to a target tile corresponding to the new tile, and performing superposition operation to update the target tile, wherein the superposition operation representation performs assignment processing on pixel points of the target tile according to the value of an alpha channel of the new tile.
A tile map update system, comprising:
the generating unit is used for generating a tile file from the target remote sensing image file according to a preset reference slice file;
the computing unit is used for computing the intersection of the space range of the tile map of the tile file and the space range of the tile map corresponding to the reference slice file to obtain a space range to be updated;
an obtaining unit, configured to obtain, based on the spatial range, tile information corresponding to a tile to be updated in the reference slice file;
and the updating unit is used for updating the tile map according to the tile information to obtain the updated tile map.
Optionally, the system further comprises:
a creating unit configured to create a reference slice file;
the creating unit includes:
a creating subunit for creating a tile map service based on a slice file for a target area;
an information determining subunit configured to determine basic information of the tile map service, and determine the reference slice file based on the basic information and the tile map service;
wherein the basic information comprises a spatial range, a storage location, a spatial reference frame type, and a tile file type.
Optionally, the generating unit includes:
the analysis subunit is used for analyzing the preset reference slice file to obtain a tile format of the reference slice file;
the initial generating subunit is used for generating an initial tile file corresponding to the target remote sensing image file and the tile format, and the tile format is a PNG format;
and the preprocessing subunit is used for preprocessing the initial tile file to obtain the tile file, and the preprocessing representation sets an alpha channel information mark for the initial tile file, wherein when a certain pixel point in the tile has content, the value of an alpha channel is set to be 1, and otherwise, the value of the alpha channel is set to be 0.
Optionally, the updating unit includes:
a sequence number determining subunit, configured to determine, according to the tile information, tile sequence number information sequentially extracted within the spatial range;
the updating subunit is configured to query, according to the tile sequence number information, a reference tile map service corresponding to the reference slice file to obtain a target tile corresponding to the reference tile map service, and update the target tile to obtain an updated tile map;
the update subunit is specifically configured to:
and inquiring a new tile with the tile serial number information and a reference tile map service corresponding to the reference slice file to a target tile corresponding to the new tile, and performing superposition operation to update the target tile, wherein the superposition operation representation performs assignment processing on pixel points of the target tile according to the value of an alpha channel of the new tile.
Compared with the prior art, the invention provides a tile map updating method and system, wherein a target remote sensing image file is generated into a tile file according to a preset reference slice file; calculating the intersection of the space range of the tile map of the tile file and the space range of the tile map corresponding to the reference file to obtain a space range to be updated; based on the space range, obtaining the corresponding tile information of the tile to be updated in the reference slice file; and updating the tile map according to the tile information to obtain the updated tile map. According to the method and the device, the newly published remote sensing image file is compared with the reference slice file, and then the tile map is updated based on the comparison area, so that the problem that a large number of tile files are generated and excessive resources are consumed in the prior art can be solved, and the updating efficiency of the tile map is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flowchart of a tile map updating method according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating another tile map updating method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a tile map updating system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first" and "second," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not set forth for a listed step or element but may include steps or elements not listed.
In an embodiment of the present invention, a tile map updating method is provided, and referring to fig. 1, the method includes:
and S101, generating a tile file from the target remote sensing image file according to a preset reference slice file.
The tile map and the tile map service need to present the distribution condition of the latest remote sensing image data of a certain area. In the embodiment of the invention, a target remote sensing image file is firstly obtained, and the target remote sensing image file represents the latest remote sensing image file, namely the latest remote sensing image data of the area in the current time. Then, the target remote sensing image file is distributed as a tile map service which is consistent with a reference slice file (also called as reference slice service) space reference system and a tile file type, namely, a tile file is generated.
The embodiment of the invention also provides a method for generating a tile file from a target remote sensing image file, which comprises the following steps:
analyzing the preset reference slice file to obtain a tile format of the reference slice file;
generating an initial tile file corresponding to the target remote sensing image file and the tile format, wherein the tile format is a PNG format;
and preprocessing the initial tile file to obtain the tile file.
It should be noted that, in the embodiment of the present invention, the tile format is required to be a PNG (Portable Network Graphics), where the PNG is a specific format type after the tile file is preprocessed, that is, an alpha channel of each tile file stores flag information, and when a certain pixel point of a tile has content, a value corresponding to the alpha channel is set to 1, and otherwise, the value is set to 0.
Correspondingly, the embodiment of the present invention further provides a method for creating a reference slice file, where the method includes:
creating a tile map service for a target area based on a slice file;
determining basic information of the tile map service, and determining the reference slice file based on the basic information and the tile map service;
wherein the basic information comprises a spatial range, a storage location, a spatial reference frame type, and a tile file type.
In particular, the essence of creating a reference slice file is to create a slice file-based tile map service for an area, where a slice file is a set of files organized in order according to the WMTS protocol. Then specifies the spatial extent, storage location, spatial reference frame type, tile file type PNG, etc. of the slicing service.
S102, calculating the intersection of the space range of the tile map of the tile file and the space range of the tile map corresponding to the reference slice file, and obtaining the space range to be updated.
S103, obtaining the tile information corresponding to the tile to be updated in the reference slice file based on the space range;
and S104, updating the tile map according to the tile information to obtain the updated tile map.
The embodiment of the invention also provides an updating method, which comprises the following steps:
according to the tile information, determining tile serial number information sequentially extracted in the space range;
and inquiring a target tile corresponding to the reference tile map service according to the tile serial number information, and updating the target tile to obtain an updated tile map.
Wherein, the querying of the reference tile map service corresponding to the reference slice file according to the tile sequence number information to obtain the corresponding target tile for updating comprises:
and inquiring a new tile with the tile serial number information and a reference tile map service corresponding to the reference slice file to a target tile corresponding to the new tile, and performing superposition operation to update the target tile, wherein the superposition operation representation performs assignment processing on pixel points of the target tile according to the value of an alpha channel of the new tile.
Specifically, according to the spatial range, the type and the level of the spatial coordinate system, serial number information of tiles (mainly referring to an initial row number and a column number) is calculated, and the tiles which are updated correspondingly are obtained one by one to update the corresponding tiles in the reference tile map service.
Referring to fig. 2, another tile map updating method provided by the embodiment of the present invention includes:
s201, setting an initial i value;
wherein i is a starting position for updating the tile;
s202, obtaining information of the ith tile file;
sequentially extracting information of the ith tile in the space range of the new tile map service, such as the row and column numbers of the tiles;
s203, finding the tile corresponding to the ith tile in the reference service according to the row and column number of the tile;
s204, performing tile superposition operation according to the value of the new tile alpha channel;
and updating the tiles through the superposition operation among the tiles, namely performing the superposition operation on the reference tiles by the new tiles. The process of the superposition operation is as follows: firstly, obtaining the value of an alpha channel of each pixel point of a new tile, if the value is 1, assigning all channel values of corresponding pixel points to corresponding pixel points of a reference tile, and otherwise, keeping all channel values of corresponding pixel points of the reference tile unchanged.
S205, judging whether the tiles in the new tile map service are completely acquired or not, and finishing the operation after the acquisition is finished to show that the updating operation of the tile map area is finished; otherwise, jumping to S202, and continuing to sequentially acquire the tiles for 'superposition' updating.
The embodiment of the invention provides the superposition operation of the tiles, so that the reference tile is covered or replaced by the new tile, thereby greatly saving the storage space resources; the accumulation of image files in the same area of the tile map is reduced, and CPU and IO resources required to be consumed during map tile generation are reduced.
There is also provided in another embodiment of the present invention a tile map updating system, see fig. 3, including:
the generating unit 10 is configured to generate a tile file from the target remote sensing image file according to a preset reference slice file;
the calculating unit 20 is configured to calculate an intersection of a spatial range of the tile map of the tile file and a spatial range of the tile map corresponding to the reference slice file, and obtain a spatial range to be updated;
an obtaining unit 30, configured to obtain, based on the spatial range, tile information corresponding to a tile to be updated in the reference slice file;
and the updating unit 40 is configured to update the tile map according to the tile information, so as to obtain an updated tile map.
On the basis of the above embodiment, the system further includes:
a creating unit configured to create a reference slice file;
the creating unit includes:
a creating subunit for creating a tile map service based on a slice file for a target area;
an information determining subunit configured to determine basic information of the tile map service, and determine the reference slice file based on the basic information and the tile map service;
wherein the basic information comprises a spatial range, a storage location, a spatial reference frame type, and a tile file type.
On the basis of the above embodiment, the generating unit includes:
the analysis subunit is used for analyzing the preset reference slice file to obtain a tile format of the reference slice file;
the initial generating subunit is used for generating an initial tile file corresponding to the target remote sensing image file and the tile format, and the tile format is a PNG format;
and the preprocessing subunit is used for preprocessing the initial tile file to obtain the tile file, and the preprocessing representation sets an alpha channel information mark for the initial tile file, wherein when a certain pixel point in the tile has content, the value of an alpha channel is set to be 1, and otherwise, the value of the alpha channel is set to be 0.
On the basis of the above embodiment, the update unit includes:
a sequence number determining subunit, configured to determine, according to the tile information, tile sequence number information sequentially extracted within the spatial range;
the updating subunit is configured to query, according to the tile sequence number information, a reference tile map service corresponding to the reference slice file to obtain a target tile corresponding to the reference tile map service, and update the target tile to obtain an updated tile map;
the update subunit is specifically configured to:
and inquiring a new tile with the tile serial number information and a reference tile map service corresponding to the reference slice file to a target tile corresponding to the new tile, and performing superposition operation to update the target tile, wherein the superposition operation representation performs assignment processing on pixel points of the target tile according to the value of an alpha channel of the new tile.
The invention provides a tile map updating system.A generating unit generates a target remote sensing image file into a tile file according to a preset reference slice file; the calculation unit calculates the intersection of the space range of the tile map of the tile file and the space range of the tile map corresponding to the reference file to obtain a space range to be updated; the obtaining unit obtains the tile information corresponding to the tile to be updated in the reference slice file based on the space range; and the updating unit updates the tile map according to the tile information to obtain the updated tile map. According to the method and the device, the newly published remote sensing image file is compared with the reference slice file, and then the tile map is updated based on the comparison area, so that the problem that a large number of tile files are generated and excessive resources are consumed in the prior art can be solved, and the updating efficiency of the tile map is improved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A tile map updating method, comprising:
generating a tile file from the target remote sensing image file according to a preset reference slice file;
calculating the intersection of the space range of the tile map of the tile file and the space range of the tile map corresponding to the reference slice file to obtain a space range to be updated;
on the basis of the space range, obtaining the corresponding tile information of the tile to be updated in the reference slice file;
updating the tile map according to the tile information to obtain an updated tile map;
the updating the tile map according to the tile information to obtain an updated tile map includes:
according to the tile information, determining tile serial number information sequentially extracted in the space range;
inquiring a target tile corresponding to the reference tile map service according to the tile serial number information, and updating the target tile to obtain an updated tile map;
the querying of the reference tile map service corresponding to the reference slice file according to the tile sequence number information to obtain a corresponding target tile for updating comprises:
and inquiring a new tile with the tile serial number information and a reference tile map service corresponding to the reference slice file to a target tile corresponding to the new tile, and performing superposition operation to update the target tile, wherein the superposition operation representation performs assignment processing on pixel points of the target tile according to the value of an alpha channel of the new tile.
2. The method of claim 1, further comprising:
a reference slice file is created.
3. The method of claim 2, wherein the creating a reference slice file comprises:
creating a tile map service for a target area based on a slice file;
determining basic information of the tile map service, and determining the reference slice file based on the basic information and the tile map service;
wherein the basic information comprises a spatial range, a storage location, a spatial reference frame type, and a tile file type.
4. The method of claim 1, wherein the generating a tile file from the target remote sensing image file according to a preset reference slice file comprises:
analyzing the preset reference slice file to obtain a tile format of the reference slice file;
generating an initial tile file corresponding to the target remote sensing image file and the tile format, wherein the tile format is a PNG format;
and preprocessing the initial tile file to obtain the tile file, wherein the preprocessing representation sets an alpha channel information mark for the initial tile file, when a certain pixel point in the tile has content, the value of an alpha channel is set to be 1, otherwise, the value of the alpha channel is set to be 0.
5. A tile map update system, comprising:
the generating unit is used for generating a tile file from the target remote sensing image file according to a preset reference slice file;
the computing unit is used for computing the intersection of the space range of the tile map of the tile file and the space range of the tile map corresponding to the reference slice file to obtain a space range to be updated;
an obtaining unit, configured to obtain, based on the spatial range, tile information corresponding to a tile to be updated in the reference slice file;
the updating unit is used for updating the tile map according to the tile information to obtain an updated tile map;
the update unit includes:
a sequence number determining subunit, configured to determine, according to the tile information, tile sequence number information sequentially extracted within the spatial range;
the updating subunit is configured to query, according to the tile sequence number information, a reference tile map service corresponding to the reference slice file to obtain a target tile corresponding to the reference tile map service, and update the target tile to obtain an updated tile map;
the update subunit is specifically configured to:
and inquiring a new tile with the tile serial number information and a reference tile map service corresponding to the reference slice file to a target tile corresponding to the new tile, and performing superposition operation to update the target tile, wherein the superposition operation representation performs assignment processing on pixel points of the target tile according to the value of an alpha channel of the new tile.
6. The system of claim 5, further comprising:
a creating unit configured to create a reference slice file;
the creating unit includes:
a creating subunit for creating a tile map service based on a slice file for a target area;
an information determining subunit configured to determine basic information of the tile map service, and determine the reference slice file based on the basic information and the tile map service;
wherein the basic information comprises a spatial range, a storage location, a spatial reference frame type, and a tile file type.
7. The system of claim 5, wherein the generating unit comprises:
the analysis subunit is used for analyzing the preset reference slice file to obtain a tile format of the reference slice file;
the initial generating subunit is used for generating an initial tile file corresponding to the target remote sensing image file and the tile format, and the tile format is a PNG format;
and the preprocessing subunit is used for preprocessing the initial tile file to obtain the tile file, and the preprocessing representation sets an alpha channel information mark for the initial tile file, wherein when a certain pixel point in the tile has content, the value of an alpha channel is set to be 1, and otherwise, the value of the alpha channel is set to be 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743631.5A CN110457271B (en) | 2019-08-13 | 2019-08-13 | Tile map updating method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743631.5A CN110457271B (en) | 2019-08-13 | 2019-08-13 | Tile map updating method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110457271A CN110457271A (en) | 2019-11-15 |
| CN110457271B true CN110457271B (en) | 2022-04-26 |
Family
ID=68486170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910743631.5A Active CN110457271B (en) | 2019-08-13 | 2019-08-13 | Tile map updating method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110457271B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111274938B (en) * | 2020-01-19 | 2023-07-21 | 四川省自然资源科学研究院 | Web-oriented high-resolution remote sensing river water quality dynamic monitoring method and system |
| CN113448973B (en) * | 2020-03-27 | 2024-06-04 | 北京四维图新科技股份有限公司 | Map data updating method, server, vehicle machine and storage medium |
| CN112131332B (en) * | 2020-09-25 | 2022-10-04 | 腾讯科技（深圳）有限公司 | Information point updating method and device, electronic equipment and computer storage medium |
| CN112052126B (en) * | 2020-09-30 | 2021-08-06 | 成都星时代宇航科技有限公司 | Rollback method and apparatus for remote sensing image slice, electronic device and storage medium |
| CN113313099B (en) * | 2021-07-31 | 2021-10-29 | 广东兴睿科技有限公司 | Real-time acquisition method, system and storage medium based on remote sensing image map |
| CN114998171A (en) * | 2022-05-26 | 2022-09-02 | 国信司南(北京)地理信息技术有限公司 | Map image updating method and device and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281709A (en) * | 2014-10-27 | 2015-01-14 | 杭州智诚惠通科技有限公司 | Method and system for generating traffic information tiled map |
| CN105046734A (en) * | 2015-08-31 | 2015-11-11 | 中国科学院遥感与数字地球研究所 | Method and system for dynamically generating and updating grid tile pyramid |
| CN108228746A (en) * | 2017-12-20 | 2018-06-29 | 中国电子科技集团公司电子科学研究院 | Call method, device, storage medium and the server of tile map service |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103455624B (en) * | 2013-09-16 | 2017-07-25 | 湖北文理学院 | A kind of global multidimensional remote sensing image Map Service of Network implementation method of lightweight |
| CN103986763B (en) * | 2014-05-13 | 2017-08-25 | 中国科学院地理科学与资源研究所 | A kind of visual vector data streaming method of web oriented and system |
| US10049450B2 (en) * | 2015-12-03 | 2018-08-14 | Case Western Reserve University | High-throughput adaptive sampling for whole-slide histopathology image analysis |
| CN106844537B (en) * | 2016-12-30 | 2020-11-17 | 重庆大学 | Organization management method for space-time map tile data |
| CN108846004A (en) * | 2018-04-20 | 2018-11-20 | 曜宇航空科技（上海）有限公司 | Selected target update method and system in a kind of map based on unmanned plane |
-
2019
- 2019-08-13 CN CN201910743631.5A patent/CN110457271B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281709A (en) * | 2014-10-27 | 2015-01-14 | 杭州智诚惠通科技有限公司 | Method and system for generating traffic information tiled map |
| CN105046734A (en) * | 2015-08-31 | 2015-11-11 | 中国科学院遥感与数字地球研究所 | Method and system for dynamically generating and updating grid tile pyramid |
| CN108228746A (en) * | 2017-12-20 | 2018-06-29 | 中国电子科技集团公司电子科学研究院 | Call method, device, storage medium and the server of tile map service |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110457271A (en) | 2019-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110457271B (en) | Tile map updating method and system | |
| CN107908631B (en) | Data processing method, data processing device, storage medium and computer equipment | |
| CN108055264B (en) | Scheduling apparatus and method for push streaming server, and computer-readable storage medium | |
| JP6162781B2 (en) | Method and apparatus for determining the location of a new point of interest | |
| CN112214561B (en) | Map data processing method, map data processing device, computer equipment and storage medium | |
| GB2583718A (en) | Method, apparatus and computer program for updating a cluster probability model | |
| CN110990917A (en) | BIM model display method, device and system | |
| CN111290931A (en) | Method and device for visually displaying buried point data | |
| CN110751654B (en) | Image matting method, medium, equipment and device | |
| CN109471909B (en) | Method, apparatus and computer readable storage medium for address location | |
| CN106998476B (en) | Video viewing method and device based on geographic information system | |
| CN102263777A (en) | Relevant download prompting method and device | |
| CN107146098B (en) | Advertisement operation configuration method and equipment | |
| CN111401632B (en) | Weather forecast method and related device | |
| CN111782973A (en) | Interest point state prediction method and device, electronic equipment and storage medium | |
| CN114463499B (en) | Building three-dimensional modeling method and device | |
| CN111581487B (en) | Information processing method and device | |
| CN111400608B (en) | Data processing method and device, storage medium and electronic equipment | |
| CN114490912A (en) | Tile data downloading method and device | |
| CN110580731B (en) | 3D character rendering method, medium, device and apparatus | |
| CN109803160B (en) | Resource allocation method, device and system | |
| CN111030874A (en) | Service arranging method, equipment, storage medium and device | |
| EP3306898A2 (en) | Information processing method and device | |
| JP2019144982A (en) | Control unit, control method, and control program | |
| CN116680507B (en) | Method, system and device for automatically determining combustion time of solid rocket engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240515 Address after: Room 301, Building A2, East Industrial Zone, No. 9 Wenchang South Street, Xiangshan Street Community, Shahe Street, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: Guangdong Chaoqing Intelligent Computing Technology Co.,Ltd. Country or region after: China Address before: Room 408, 262 Dongping street, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee before: SUZHOU SUPERENGINE GRAPHICS SOFTWARE TECHNOLOGY DEVELOPMENT CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |