CN109120707B - Method for remote sharing and real-time collaborative reference of vector graphical data - Google Patents

Method for remote sharing and real-time collaborative reference of vector graphical data Download PDF

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CN109120707B
CN109120707B CN201810998935.1A CN201810998935A CN109120707B CN 109120707 B CN109120707 B CN 109120707B CN 201810998935 A CN201810998935 A CN 201810998935A CN 109120707 B CN109120707 B CN 109120707B
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working space
data layer
layer
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CN109120707A (en
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杨真
杨君莲
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Xuzhou Ruichen Mining Industry Technology Development Co ltd
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Xuzhou Ruichen Mining Industry Technology Development Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/06Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]

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Abstract

The invention discloses a method for remote sharing and real-time cooperative reference of vector graphical data. The method comprises the following steps: (1) a user creates a working space in a cloud database through a network; (2) a user creates a data layer of the user for storing vector graphical data; (3) the user saves and loads the vector graphic data on the own data layer; (4) the user authorizes other users; (5) other users enter the authorized working space, and save and load vector graphical data on the own data layer; (6) users of the same workspace can load and acquire vector graphical data which are newly stored with each other and overlap the vector graphical data by distinguishing the vector graphical data by a data layer. The method solves the problems of low efficiency of engineering drawing data sharing and collaborative work and difficulty in maintenance and implementation updating, and realizes the purpose of referring to different parts of own vector graphical data for different engineers.

Description

Method for remote sharing and real-time collaborative reference of vector graphical data
Technical Field
The present invention belongs to the field of computer network communication and database application technology. Based on Web API service, a cloud database and a file database system, the method relates to a method for remote sharing and real-time collaborative reference of vector graphical data, and can be applied to the engineering fields of mining industry, traffic, municipal administration, petroleum, building and the like.
Background
With the rise of computer cloud technology, the computer cloud technology has significant and profound influence on the production and living modes of various industries, and the method is a method for realizing remote vector graphic data sharing and real-time cooperative reference work in the technical field of engineering based on Web API service and cloud database, and is also a specific application of tightly combining computer and industrial engineering production in the information age.
In modern engineering, a project often needs dozens or even dozens of engineers or technicians to cooperate with each other under definite division of labor to complete a task together. Team cooperation is becoming more and more important and communication between engineering team members is becoming more and more frequent and tight. The graphical data in engineering is a common means for engineers to communicate with each other, and in the traditional working mode, after an engineer A finishes the design of the work drawing, if the engineer A wants to be delivered to other engineers for viewing, the data needs to be transmitted through a transmission medium (such as a U disk or mail sending), which has many disadvantages that 1. if one project drawing needs to be delivered to a plurality of other engineers for viewing, the data needs to be transmitted for a plurality of times. 2. If other engineers want to guide the drawings of the manual engineer A, the modified drawings are transmitted to the engineer A again after the existing drawings are modified. 3. If the engineering drawing of engineer A has an update, all of it needs to be re-delivered. 4. Engineer a wants to see different parts of his own drawing for different engineers, and needs to form multiple versions of the drawing. 5. The engineer a is difficult to retrieve the transmitted drawing, and the whole data is not safe.
The existing society is a society with high-speed development, science and technology are developed, information circulation is realized, communication among people is more and more intimate, life is more and more convenient, the requirements for remote data sharing and real-time collaborative work in engineering are more and more strong on the premise of ensuring data safety, the work efficiency and quality are improved, division and responsibility are clear, the production safety is improved, and the method is an urgent need of engineers.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a method for remote sharing and real-time collaborative reference of vector graphical data, which is based on Web API service, a cloud database and a file database system, solves the problems of low efficiency of the sharing and collaborative work of engineering drawing data and difficulty in maintenance and implementation updating in the prior art, and realizes that different engineers refer to different parts of the vector graphical data. Therefore, under the same working space, a plurality of users realize a virtual working space community which is based on a network, safe, sharable, cooperative and capable of authority control, and complete the work which can be completed only by real-time cooperation of various functional engineers.
In order to achieve the purpose, the method for remote sharing and real-time collaborative reference of vector graphical data comprises the following specific steps:
(1) a user puts forward a request for creating a working space to a Web API server through a System.Net.Http.HttpClient, and a working space is newly created;
(2) after entering the working space belonging to the user, the user creates one or more data layers belonging to the user in the working space belonging to the user;
(3) a user selects a data layer which belongs to the user and needs to be operated, vector graphical data loading is carried out through a Web API server, data processing analysis is carried out on a data processing cloud platform, and then the processed vector graphical data are stored into a file database system of the Web API server through the Web API server;
(4) after a user enters a working space, self-defined format files of data layers of the user and other users in the working space are loaded from a file database system through a Web API server and sent into a data processing cloud platform to be restored into vector graphic data, the vector graphic data on each data layer are overlapped in the data processing cloud platform according to the coordinates of the vector graphic data, and are distinguished through data layer IDs, so that remote sharing and real-time cooperative reference are realized;
(5) the user sets an association relationship between one data layer and one or more data layers in the same working space for the data layers belonging to the user, and when the data layer with the association relationship is selected, the associated data layers are selected at the same time.
Further, the method for newly building the working space in the step (1) comprises the following steps:
1) a user A newly establishes a working space belonging to the user A in a Web API server through a system.Net.Http.HttpClient, and establishes at least one data layer belonging to the user A;
2) user a chooses whether to authorize user a's workspace to other users, which, in turn,
firstly, if the user A authorizes and other users accept, a data layer belonging to other users is automatically established in the working space of the user A, other users can enter the working space of the user A,
if the user A is not authorized, the user A works in the working space independently, and all data layers in the working space belong to the data layer of the user A;
3) user a has not created a new workspace and, in turn,
selecting to enter the workspace previously created by the user a himself,
selecting to accept the access to the working space authorized by other users to the user A;
and thirdly, the user A does not add any space, the user A works by a single person in an offline state, and the vector graphic data can be only stored locally.
Further, in the step (3), the user selects the data layer which belongs to the user and needs to be operated, and the method for vector graphic data loading through the Web API server comprises the following steps:
1) a user loads vector graphical data of a data layer needing to be checked;
2) the user does not need to load the vector graphic data of the loaded data layer again;
3) the user specifies the time for authorizing other users and the coordinate range of the vector graphic data;
4) other users choose to accept the authorization or reject the authorization;
5) after other users receive authorization, a data layer with empty vector graphic data belonging to other users is automatically generated in the working space of the superior user.
Further, in the step (3), the method for storing the processed vector graphics data into the file database system of the Web API server through the Web API server is as follows:
setting a storage progress bar and related prompt information, proposing a request for storing data of a current data layer to a Web API server through a system, Net, http and http, converting the data into a file with a custom format, transmitting the file data to the Web API server by using a multipart/form-data coding type through a PostAsync method of http, after receiving the file data, carrying out MD5 verification by the server, and storing the file in a file database system of the Web API server according to the ID of the data layer;
the file format of the processed vector graphic data stored in the file database system of the Web API server is a user-defined format through the Web API server, so that the storage capacity of the vector graphic data with the same data volume is smaller;
and the file ID of the vector graphic data processed by the Web API server and stored in a file database system of the Web API server are consistent with the ID of the data layer.
Compared with the prior art, the invention has the following beneficial effects:
the method is based on Web API service, a cloud database and a file database system, solves the problems that the efficiency of engineering drawing data sharing and collaborative work is low and the maintenance and implementation updating are difficult in the prior art, and realizes that different engineers refer to different parts of own vector graphical data, so that under the same working space, a plurality of users realize a virtual working space community which is based on a network, safe, sharable, collaboratable and capable of authority control, and complete the work which can be completed only by real-time cooperation of each functional engineer.
Drawings
FIG. 1 is an overall flow chart of the present invention;
FIG. 2 is a system architecture diagram of the present invention;
FIG. 3 is a data flow diagram of loading data layers of the present invention;
FIG. 4 is a flow chart of data saving for data layers according to the present invention;
FIG. 5 is a workspace authorization flow diagram of the present invention;
FIG. 6 is a schematic diagram of a user interaction case of the present invention;
FIGS. 6-1, 6-2, and 6-3 are diagrams of a single user use case of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the method for remote sharing and real-time collaborative reference of vector graphics data includes the following specific steps:
(1) a user puts forward a request for creating a working space to a Web API server through a System.Net.Http.HttpClient, and a working space is newly created;
(2) after entering the working space belonging to the user, the user creates one or more data layers belonging to the user in the working space belonging to the user;
(3) the user selects a data layer which belongs to the user and needs to be operated, vector graphical data loading is carried out through the Web API server, if data are not stored in the data layer, the step can be skipped, data processing analysis is carried out on the data processing cloud platform, and then the processed vector graphical data are stored into a file database system of the Web API server through the Web API server;
(4) after a user enters a working space, self-defined format files of data layers of the user and other users in the working space are loaded from a file database system through a Web API server and sent into a data processing cloud platform to be restored into vector graphic data, the vector graphic data on each data layer are overlapped in the data processing cloud platform according to the coordinates of the vector graphic data, and are distinguished through data layer IDs, so that remote sharing and real-time cooperative reference are realized;
(5) the user sets an association relationship between one data layer and one or more data layers in the same working space for the data layers belonging to the user, and when the data layer with the association relationship is selected, the associated data layers are selected at the same time.
Taking the user A as an example, the newly created working space of the user A belongs to the user A; the user A can create a plurality of data layers belonging to the user A on the working space belonging to the user A; the user A can edit the name of the data layer of the user A and delete the data layer of the user A and the vector graphic data on the data layer on the working space of the user A; the user A can directly enter the previously created work space or the work space authorized by others without newly creating the work space.
1) User a needs to have the right to enter a certain workspace, which may come from the workspace created by itself or from the authorization of the workspace creator.
2) The permissions also include an expiration date for the data layer and an expiration range for the vector graphics data coordinates in the data layer, the data layer being set to invisible if the current date is not within the expiration date of the data layer. If the workspace belongs to user A, then the vector graphics data in all data layers of the workspace have no range restrictions, otherwise user A can only view vector graphics data in data layers within the valid range.
3) The user A has to select a data layer belonging to the user A as a current data layer, the user A can only modify, delete and store the drawing data on the current data layer, only the data of the current data layer is stored during storage, and the contents of the drawing data of other data layers cannot be influenced.
4) Users in the same working space can request the Web API server through a network to obtain respective latest data files in the cloud database, the latest data files are placed in the data processing cloud platform and are converted into vector graphic data, the vector graphic data on each data layer are overlapped together according to vector graphic coordinates, and the data layer of which user the vector graphic data belong to is distinguished through the data layer ID. And under the authority specification, consulting the vector graphic data. Therefore, real-time cooperative reference during working is realized.
5) If the loaded data of the data layer is not selected, the vector graphic data on the layer can be temporarily hidden in the data processing cloud platform according to the ID of the data layer, and when the data is selected again, the vector graphic data of the layer is not reloaded, but the vector graphic data hidden in the layer is directly displayed.
6) According to the descriptions of 4) and 5), the user can select a plurality of data layers to be referred to for combination according to the actual needs of the user, and vector graphic data of the data layers which are loaded but are not needed temporarily are hidden.
7) The vector graphic data loaded to the data processing cloud platform can be combined with the position of the vector graphic and the position of the real world according to the coordinate of the vector graphic and the coordinate of the map by combining with an API provided by a map service provider, and the vector graphic data and the map data correspond to each other one by one.
Further, as shown in fig. 6, fig. 6-1, fig. 6-2, and fig. 6-3, the method for newly building the working space in step (1) includes the following steps:
1) the user A newly establishes a working space belonging to the user A in the Web API server through the system, Net, http and http, and creates at least one data layer belonging to the user A, and the user A can edit the name of the data layer and delete the data layer belonging to the user A;
2) user a chooses whether to authorize user a's workspace to user B, which, in turn,
firstly, if the user A authorizes and the user B accepts, a data layer belonging to the user B is automatically established in the working space of the user A, the user B can enter the working space of the user A,
if the user A is not authorized, the user A works in the working space independently, and all data layers in the working space belong to the data layer of the user A;
3) user a has not created a new workspace and, in turn,
selecting to enter the workspace previously created by the user a himself,
selecting to accept the access to the working space authorized by other users to the user A;
and thirdly, the user A does not add any space, the user A works by a single person in an offline state, and the vector graphic data can be only stored locally.
Furthermore, in the step (3), the user selects the data layer which belongs to the user and needs to be operated, and the method for loading the vector graphic data through the Web API server comprises the following steps,
1) a user loads vector graphical data of a data layer needing to be checked;
2) the user does not need to load the vector graphic data of the loaded data layer again;
3) the user specifies the time for authorizing other users and the coordinate range of the vector graphic data;
4) other users choose to accept the authorization or reject the authorization;
5) after other users receive authorization, a data layer with empty vector graphic data belonging to other users is automatically generated in the working space of the superior user.
Further, in the step (3), the method for storing the processed vector graphics data into the file database system of the Web API server through the Web API server is as follows:
setting a storage progress bar and related prompt information, proposing a request for storing data of a current data layer to a Web API server through a system, Net, http and http, converting the data into a file with a custom format, transmitting the file data to the Web API server by using a multipart/form-data coding type through a PostAsync method of http, after receiving the file data, carrying out MD5 verification by the server, and storing the file in a file database system of the Web API server according to the ID of the data layer;
the file format of the processed vector graphic data stored in the file database system of the Web API server is a user-defined format through the Web API server, so that the storage capacity of the vector graphic data with the same data volume is smaller;
and the file ID of the vector graphic data processed by the Web API server and stored in a file database system of the Web API server are consistent with the ID of the data layer.
In the following, the working principle of the method is further described by taking the user a and the user B as examples:
(1) user A establishes a workspace
1) User A newly builds a workspace belonging to user A.
The method comprises the steps that a request for creating a working space is made to a Web API server through a system, Net, Http, HttpClient, Id information of a user A is provided, the created working space belongs to the user A, meanwhile, the name of the working space to be created is provided, the Web API server receives the creation request of the user A, a piece of data is created in a working space table of a cloud database according to the received ID of the user A and the name of the working space to be created, if the creation is successful, the Web API server returns the ID of the working space which is successfully created to the user A, and if the creation is failed, information of the creation failure is returned.
Creating a data layer belonging to A, proposing a request for creating the data layer to a Web API server through System. The Web API server receives a creation request of a user A, creates a piece of data in a data layer table of a cloud database according to a data layer name, a valid period and a valid range provided by the user A, and obtains an ID (identity) of a newly created data layer; and generating a piece of data in the authority list according to the ID of the working layer, the ID of the user A, the ID obtained by the newly created data layer and the ID of the authorizer, wherein the ID of the authorizer is 0, which means that the data layer is created on the working space belonging to the authorizer. If the creation is successful, the Web API server returns the ID of the data layer with successful creation to the user A, and if the creation is failed, the information of failed creation is returned.
And the user A can modify the name of the data layer and delete the data layer. And the Web API server receives the modification request of the user A, finds a corresponding data layer in a data layer table of the cloud database according to the data layer ID, and modifies the name into a new data layer name. And the Web API server receives the modification request of the user A, finds a corresponding data layer in a data layer table of the cloud database according to the data layer ID, deletes the data layer information, finds corresponding authority information in an authority table according to the data layer ID, and deletes the authority information. And finally deleting the data and the backup data on the data layer in the file system according to the ID of the data layer.
That is, user A authorizes user B (or other user) with the workspace of A. As shown in figure 6 of the drawings,
if user A has the authority to authorize other users (determined by the "authorization enabled or disabled" field of the user table in the cloud database), user A may authorize the workspace created by user A to other users. And the system, Net, http and http provide a request for creating authorization to the Web API server, provide the ID of the workspace, indicate which workspace is authorized, provide the ID information of the user A, indicate the identity of the authorizer, provide the ID of the B, indicate the identity of the authorized person, the valid period of the authorization and the valid range. The Web API server receives a creation request of a user A, creates a piece of data in an authorization waiting receiving table of a cloud database according to a workspace ID provided by the user A, the ID of the user B, a data layer name, a valid period and a valid range, the user B receives an authorization prompt, after the user B receives the authorization prompt, sends a receiving message to the Web API server through System.
The Web API server obtains authorization waiting acceptance information according to the inquiry of the authorization waiting acceptance table, wherein the authorization waiting acceptance information comprises the ID of a working space, which indicates the working space to which the newly created data layer belongs, the ID information of the user B, which indicates the name of the created data layer to be created, the valid period of the data layer and the valid range. The step of creating a data layer thereafter is similar to the previous step of creating a data layer by user a, except that the authorizer ID is the ID of user a at the time of generating the authority table data, indicating that this data layer is authorized by user a. And finally marks the data in the grant pending accept table as processed.
User B has a data layer in the authorization table that is in user a's workspace so user B can enter user a's workspace.
If the user A has authorized the own workspace to the user B before, and the user A authorizes the same workspace to the user B again, the Web API server will not create new data again in the data layer table and the authorization table of the cloud database, and only modify the data layer deadline information and the data layer range information of the data layer existing before.
And step two, the working space is not authorized for other users.
A works independently in the working space, all data layers in the working space are the data layers of A, and no cooperative work exists.
2) Does not establish a working space
Selecting to enter the previously created workspace itself.
And the Web API searches the ID information of the working space in the authorization table according to the ID of the user A and the ID of an authorizer which is 0 (representing the working space created by the user A) and then queries the working space table according to the ID of the working space to obtain the name information of the working space. The resulting workspace information is then returned to user a.
And selecting to accept the work space authorized by others to the A.
The web.net.http.http.http client makes a request to the Web API server to get the workspace that user a has been authorized before, with the parameter being user a's ID. According to the ID of the user A and the ID of the authorizer which is not 0 (indicating that the workspace is created by other users but is authorized to the user A), the Web API searches the authorization table to obtain the ID information of the workspace, and then searches the workspace table according to the ID of the workspace to obtain the name information of the workspace. The resulting workspace information is then returned to user a.
And the user A does not enter any working space, which is equivalent to a single machine mode in an offline state, and does not have the concepts of a working space and a data layer, so that the user A cannot access network service, cannot load data of other people, and only can store own vector graphical data into a local file system.
(2) After a user A enters a working space, information of all data layers belonging to the working space is obtained through a system. This information is then returned to user a. And the user A selects one data layer belonging to the user A from the obtained information of all the data layers as the current data layer. The current data layer refers to all data processing operations of the user A, only the current data layer is effective, when the data is stored, the data of the current data layer is also stored, other data layers are used as background data layers, only the data can be loaded as reference, and the user A cannot modify and store the data. And the user A selects the required data layer according to the obtained data layer information and the self requirement, and obtains the ID of one or more data layers required to be loaded for loading the data information of the data layer, wherein the default of the current data layer is selected, and the data must be loaded.
1) As shown in fig. 3, remote data is loaded.
And after obtaining the ID of the data layer to be loaded, the user A sets a loading progress bar and loading prompt information. If the data is stored in the current data layer before, the date of storing the data for the last three times is displayed, and one of the dates can be selected for loading.
Before loading, firstly verifying whether data layer data to be loaded exist in the data processing cloud platform or not, and if so, deleting the ID of the existing data layer from the ID of the data layer to be loaded. According to the ID of the data layer to be loaded, a request for acquiring the data of the data layer is provided to a Web API server through the system. And repeating the loading process until all the vector graphic data of the data layer to be loaded are completely loaded.
Existence of data
The Web API server finds a corresponding data file in a server database system according to the ID of the data layer, converts the file into a binary stream, transmits the binary stream through a multipart/form-data coding type, provides an MD5 check code and ensures the accuracy of the data. After receiving binary stream data returned by the Web API, the user A performs MD5 verification to ensure data accuracy, and if the data accuracy is not problematic, converts the data file into vector graphical data and transmits the vector graphical data to a data processing platform according to the one-to-one correspondence between the data layer ID and the data.
② data do not exist
Indicating that no data has been saved on this data layer before, and returning a null value.
2) And the user A analyzes and processes the data of the current data layer selected by the user A.
3) As shown in fig. 4, the data after the analysis processing is saved.
Setting a storage progress bar and related prompt information, proposing a request for storing data of a current data layer to a Web API server through a system. And if the number of the backup data is more than or equal to three, deleting the data with the earliest storage date of the current data layer from the database system, and then storing the data in the database system.
4) And (4) data storage format, namely converting the data into a file with a custom format.
5) And performing cooperative reference work.
After entering a working space, obtaining information of an authorized coordinate range in an authorization table for an authorized user, and drawing an entity block with the same background color and color by using a GDI (graphics device interface) on a part outside the authorized coordinate range in a data processing cloud platform, thereby realizing the shielding effect.
Secondly, after the users in the same working space load data through the step 1) in the embodiment (2), in the data processing cloud platform, the vector graphic data on each data layer are overlapped together according to the vector graphic coordinates (similar to the concept of the data layer), and the data layer of which user the vector graphic data belong to is distinguished through the data layer ID.
And thirdly, if the data of the data layer loaded in the step 1) in the embodiment (2) is removed from selection, the vector graphic data on the layer can be put into a computer cache according to the ID of the data layer, and is temporarily deleted in the data processing cloud platform, and when the data is selected again, the vector graphic data on the layer in the cache is directly sent into the data processing cloud platform again to be displayed without reloading the vector graphic data on the layer through a network.
In conclusion, the method for remote sharing and real-time collaborative reference of vector graphic data is based on Web API service, cloud database and file database system, solves the problems of low efficiency of engineering drawing data sharing and collaborative work and difficulty in maintenance and implementation updating in the prior art, and realizes that different engineers refer to different parts of their vector graphic data, so that under the same working space, a plurality of users realize a virtual working space community which is based on network, safe, sharable, collaboratable and capable of authority control, and complete a work which can be completed only by real-time collaboration of each functional engineer.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (2)

1. A method for remote sharing and real-time cooperative reference of vector graphic data is characterized by comprising the following specific steps:
(1) a user puts forward a request for creating a working space to a WebAPI server through a System.Net.Http.HttpClient, and a working space is created;
the method for building the working space comprises the following steps:
1) the user A newly establishes a working space belonging to the user A in the WebAPI server through the System.Net.Http.HttpClient, and establishes at least one data layer belonging to the user A;
2) user a chooses whether to authorize user a's workspace to other users, which, in turn,
firstly, if the user A authorizes and other users accept, a data layer belonging to other users is automatically established in the working space of the user A, other users can enter the working space of the user A,
if the user A is not authorized, the user A works in the working space independently, and all data layers in the working space belong to the data layer of the user A;
3) user a has not created a new workspace and, in turn,
selecting to enter the workspace previously created by the user a himself,
selecting to accept the access to the working space authorized by other users to the user A;
the user A does not add any space, the user A works by one person in an offline state, and the vector graphic data can be only stored locally;
(2) after entering the working space belonging to the user, the user creates one or more data layers belonging to the user in the working space belonging to the user;
(3) a user selects a data layer which belongs to the user and needs to be operated, vector graphical data loading is carried out through a WebAPI server, data processing analysis is carried out on a data processing cloud platform, and then the processed vector graphical data are stored in a file database system of the WebAPI server through the Web API server;
the method for the user to select the data layer which belongs to the user and needs to be operated and to load the vector graphic data through the WebAPI server comprises the following steps:
1) a user loads vector graphical data of a data layer needing to be checked;
2) the user does not need to load the vector graphic data of the loaded data layer again;
3) the user specifies the time for authorizing other users and the coordinate range of the vector graphic data;
4) other users choose to accept the authorization or reject the authorization;
5) after other users receive authorization, a data layer with empty vector graphic data belonging to other users is automatically generated in the working space of the superior user;
(4) after a user enters a working space, self-defined format files of data layers of the user and other users in the working space are loaded from a file database system through a WebAPI server, the files are sent into a data processing cloud platform and are restored into vector graphic data, the vector graphic data on each data layer are overlapped together in the data processing cloud platform according to the coordinates of the vector graphic data, and the vector graphic data are distinguished through data layer IDs;
(5) the user sets an incidence relation between one data layer and one or more data layers in the same working space for the data layers belonging to the user.
2. The method for remote sharing and real-time cooperative reference of vector graphics data according to claim 1,
in the step (3), the method for storing the processed vector graphics data into the file database system of the WebAPI server through the Web API server is as follows:
setting a storage progress bar and related prompt information, proposing a request for storing data of a current data layer to a WebAPI server through a system, Net, http and http, converting the data into a file with a custom format, transmitting the file data to the WebAPI server by using a multipart/form-data coding type through a PostAsync method of http, after receiving the file data, carrying out MD5 verification by the server, and storing the file in a file database system of the WebAPI server according to the ID of the data layer;
and the file ID of the vector graphic data processed by the WebAPI server and stored in a file database system of the Web API server is consistent with the ID of the data layer.
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