KR20160143319A - System and method for providing cad service in client uninstalled cad program - Google Patents

Abstract

The present invention relates to a system and a method for providing a CAD service in a client device on which a CAD program for shipboard is uninstalled. The present invention includes: a plurality of CAD servers having the CAD program for shipboard installed thereon and configured to supply CAD information requested from the client device; and the client device having the CAD program for shipboard uninstalled thereon, configured to request and receive the CAD information in the CAD server, and configure a model tree and a model information window by reconfiguring the received CAD information.

Description

TECHNICAL FIELD [0001] The present invention relates to a system and method for providing a CAD service to a client device in which a CAD program for shipbuilding is not installed,

The present invention relates to a system and method for providing a CAD service to a client device in which a CAD program for shipbuilding is not installed, and more particularly, to a system and a method for providing a CAD service for a client device in which a CAD program for shipbuilding is not installed, The present invention relates to a system and method for providing a CAD service to a client device in which a CAD program for shipbuilding is not installed, which enables a CAD service in a client device.

Recently, with the development of computer technology, CAD (Computer Aided Design) system has been actively introduced in the design of mechanical parts and devices, and the design business is being streamlined. In the case of shipbuilding industry, too, dedicated CAD such as TRIBON and Aveva Marine It is general that various ships are designed using a program.

According to the related art, Korean Patent No. 10-0634639 (Registered on October 10, 2006) discloses a method of designing a vessel using the linear information and the partition information, which are design information at the initial design stage of a ship in which a CAD model does not exist, A method for generating a wire structure and a vibration analysis model for structural and vibration analysis of an entire structure is disclosed.

On the other hand, in order to use various services (model extraction, information search) of the CAD program, a CAD program must be installed in the client apparatus.

However, there are client devices that do not have a CAD program installed due to a problem of low-end computers or CAD licenses, and CAD devices such as model extraction and model information search can not be provided in a client device in which a CAD program is not installed.

Prior Art 1: Korean Patent No. 634639 (Registered on October 10, 2006)

SUMMARY OF THE INVENTION The present invention is conceived to solve the problems described above, and it is an object of the present invention to provide a client device capable of receiving a CAD service even when a CAD program is not installed in a client device due to a low- The present invention provides a system and method for providing CAD services to a mobile terminal.

It is another object of the present invention to provide a client device in which a CAD program for shipbuilding is not installed, which enables a client device having a CAD program to receive services such as model extraction and model information search the same as a device in which a CAD program is installed, System and method.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

According to an aspect of the present invention for solving the above problems, there is provided a shipbuilding CAD program, wherein a plurality of CAD servers for providing the requested CAD information from the client device and a CAD program for shipbuilding are not installed, There is provided a system for providing a CAD service to a client device in which a CAD program for shipbuilding is not installed, including a client device that requests and receives CAD information and reconstructs the received CAD information to construct a model tree and a model information window.

The CAD server may be configured to multiplex in case the service does not operate properly due to an abnormal state.

Wherein the CAD server comprises: a communication unit for communicating with the client apparatus; a CAD database storing information on the CAD program for shipbuilding; a control unit for receiving, from the CAD database in response to a request from the client apparatus, And a CAD service unit for acquiring CAD information including at least one of resource information of the CAD program for shipbuilding, attribute information of the model, model tree, and model data, and transmitting the CAD information to the client apparatus.

The client device may connect to a CAD server in a normal state among the plurality of CAD servers and receive CAD information.

The CAD information may include at least one of resource information, attribute information for a model, a model tree, and model data.

According to another aspect of the present invention, there is provided a communication system including a communication unit for communicating with a CAD server in which a CAD program for shipbuilding is installed, a display unit, a CAD server for requesting and receiving CAD information through the communication unit, And a CAD job performing unit for configuring a tree and a model information window on the display unit.

The CAD work performing unit includes an initialization module for receiving resource information used in a CAD program for shipbuilding from the CAD server, generating a grid and a model tree constituting an attribute area using the received resource information, An attribute module for requesting and receiving attribute information for a model selected in the model tree to the CAD server, reconstructing the generated grid according to the model, adding the attribute value to the reconstructed grid, A model tree module for reconstructing the model tree by reconstructing an element of the model tree, requesting and receiving the model data for the model to the CAD server, and constructing the received model data into a model corresponding to the reconstructed model tree And a model extracting module for displaying the model extracted by the extracting module.

The initialization module checks whether or not the connection to the CAD server is possible, connects to the CAD server when connection is possible, connects to another CAD server when connection is impossible, You can create a grid and a model tree that constitute an area representing the attributes of the model.

Wherein the attribute module requests and receives attribute information on a model selected in the model tree from the CAD server and generates a data type and description of the model using the attribute information to reconstruct the grid, The corresponding attribute value may be added to the reconstructed grid and displayed.

Upon expansion of the model tree, the model tree module may request and receive the model tree of the lower models to the CAD server, and reconstruct the model tree of the received lower models according to the reconstructed model tree.

Wherein the model extracting module transmits a model data request signal including an extraction type of model and an extraction method to the CAD server and receives model data from the CAD server and outputs the received model data to the reconstructed model tree And can be configured and displayed as a model.

According to another aspect of the present invention, there is provided a method for providing a CAD service to a client apparatus in which a CAD program for shipbuilding is not installed, the method comprising: (a) receiving resource information of a CAD program for shipbuilding from a connected CAD server, (B) requesting and receiving attribute information on a model selected in the model tree to the CAD server, and reconstructing the generated grid according to the model, (C) reconstructing an element of the generated model tree to reconstruct the model tree; (d) requesting the CAD server for model data for the model; And receiving and displaying the received model data in a model corresponding to the reconstructed model tree A method for the CAD service provider and provided to the client device, the CAD program uninstalled shipbuilding containing system.

Wherein the step (a) comprises the steps of: checking connectivity with the CAD server, connecting to the CAD server when the connection is possible, and connecting to another CAD server if the connection is impossible, Generating a grid for constructing an area representing an attribute of a model using the received resource information, and generating a model tree using the resource information, have.

(B) transmitting an attribute information request signal for a model selected in the model tree to the CAD server and receiving attribute information from the CAD server, and using the attribute information, Generating a description, thereby reconstructing the generated grid, and adding and displaying the corresponding property value in the reconstructed grid.

In the step (c), upon expansion of the model tree, the model tree of the lower models may be requested and received from the CAD server, and the model tree of the received lower models may be reconstructed according to the reconstructed model tree.

The step (d) includes receiving a model extraction condition including an extraction type and an extraction method, transmitting a model data request signal including the model extraction condition to the CAD server, and receiving model data from the CAD server And constructing and displaying the received model data in a model corresponding to the reconstructed model tree.

According to the present invention, CAD service can be provided even in a state where a CAD program is not installed in a client device due to a problem of a low-end computer or a CAD license.

Also, in the client device in which the CAD program is not installed, it is possible to receive services such as model extraction and model information search the same as the device in which the CAD program is installed.

The effects of the present invention are not limited to the above-mentioned effects, and various effects can be included within the scope of what is well known to a person skilled in the art from the following description.

1 is a diagram illustrating a system for providing a CAD service to a client device in which a CAD program for shipbuilding is not installed, according to an embodiment of the present invention.
2 is a block diagram schematically showing a configuration of a client apparatus in which a CAD program for shipbuilding is not installed according to an embodiment of the present invention.
FIG. 3 is a diagram illustrating a CAD job performing unit shown in FIG. 2. Referring to FIG.
4 is a block diagram schematically showing a configuration of a CAD server according to an embodiment of the present invention.
5 is a diagram illustrating a configuration of the CAD service unit shown in FIG.
6 is a diagram illustrating a method for providing a CAD service to a client device in which a CAD program for shipbuilding is not installed according to an embodiment of the present invention.
FIG. 7 is a diagram illustrating a method of creating an environment for a client apparatus to which a CAD program for shipbuilding is not installed, according to an embodiment of the present invention.
FIG. 8 is a diagram illustrating a method of displaying attributes of a model by a client apparatus in which a CAD program for shipbuilding is not installed, according to an embodiment of the present invention.
9 is a diagram illustrating a method of displaying a model by a client apparatus in which a CAD program for shipbuilding is not installed, according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a system and a method for providing a CAD service to a client device in which a CAD program for shipbuilding is not installed according to the present invention will be described in detail with reference to the accompanying drawings. The embodiments are provided so that those skilled in the art can easily understand the technical spirit of the present invention, and thus the present invention is not limited thereto. In addition, the matters described in the attached drawings may be different from those actually implemented by the schematic drawings to easily describe the embodiments of the present invention.

In the meantime, each constituent unit described below is only an example for implementing the present invention. Thus, in other implementations of the present invention, other components may be used without departing from the spirit and scope of the present invention. Also, the expression " comprising " is intended to merely denote that such elements are present as an expression of " open ", and should not be understood to exclude additional elements.

1 is a diagram illustrating a system for providing a CAD service to a client device in which a CAD program for shipbuilding is not installed, according to an embodiment of the present invention.

1, a system for providing a CAD service to a client device in which a CAD program for shipbuilding is not installed includes a client device 100 in which a CAD program for shipbuilding is not installed, a plurality of CAD servers 200a, 200b, , And the client device 100 and the CAD server 200 may support various protocols using a window communication foundation (WCF) and a web service. The CAD program for shipbuilding may include, for example, Aveva Marine, TRIBON, and the like.

The client device 100 does not have a CAD program for shipbuilding, requests and receives CAD information from the CAD server 200, and reconstructs the received CAD information to construct a model tree and a model information window. At this time, the resources of the CAD program to be used are downloaded in real time from the CAD server 200, and the client device 100 forms an environment in which the CAD service can be used even if there is no CAD program for shipbuilding using the downloaded resource. Since the model data generated by the CAD server 200 is large in many cases, it can be downloaded and used in a streaming manner.

The client device 100 can receive the CAD information from the CAD server 200 and use CAD services such as model extraction and model information search the same as the device in which the shipboard CAD program is installed.

The client device 100 may use a WCF entity instance for communication with the CAD server 200 and may select a corresponding protocol differently depending on the device characteristics and connection status of the server-client.

Such a client device 100 is a device that is not installed in the CAD program for shipbuilding and can receive the CAD service from the CAD server 200 through the communication network. It is a type of electronic device such as a smart phone, a tablet, a PC, And may be implemented in various electronic devices capable of operation and data transmission / reception.

The client device 100 will be described in detail with reference to FIG.

The CAD server 200 is provided with a CAD program for shipbuilding to provide the CAD service to the client device 100 and provides the CAD information requested from the client device 100. [ Here, the CAD information may include resource information of the CAD program for shipbuilding, attribute information on the model, model tree, model data, and the like.

The CAD server 200 may have two or more servers in case the service does not operate properly due to an abnormal state. That is, the CAD server is duplicated or multiplexed.

Also, the CAD server 200 configures IIS (Internet Information Services) for CAD service and supports http, net.tcp, net.pipe, and the like.

In addition, the CAD server 200 may use a window communication foundation (WCF) for bidirectional communication with the client device 100.

A detailed description of this CAD server 200 will be given with reference to FIG.

The CAD server 200 may be implemented as a single computing device or in the form of an aggregate device in which two or more computing devices are interconnected. For example, the CAD server 200 may be implemented as a single server, or two or more servers may be connected.

FIG. 2 is a block diagram schematically showing the configuration of a client apparatus in which a CAD program for shipbuilding is not installed according to an embodiment of the present invention, and FIG. 3 is a diagram showing a CAD job performing unit shown in FIG.

2, a client apparatus 100 in which a CAD program for shipbuilding is not installed includes a communication unit 110, an input unit 120, a display unit 130, a storage unit 140, a CAD operation performing unit 150, (160).

The communication unit 110 is configured to transmit and receive data to and from the CAD server.

Specifically, the communication unit 110 enables bidirectional communication between the client device 100 and the CAD server, and can be implemented, for example, as a WCF.

In addition, the communication unit 110 may include various wired communication modules or wireless communication modules, and may transmit or receive data through various wireless or wired communication standards. For example, the communication unit 110 may be implemented in a form including various standard communication modules such as ITU, IEEE, ISO, and IEC, and may include various communication modules in addition to the standard communication module .

The input unit 120 is configured to receive information from a user. The input unit 120 may be used to receive a model selection from the model tree.

The input unit 120 may be implemented as an input device such as a keypad or a touch panel, and may be implemented by various input devices other than the input device. The input unit 120 may be implemented as a touch screen integrated with the display unit 130.

The display unit 130 is configured to display various information related to the operation of the client device 100, and can display various information such as a model tree and model information. The display unit 130 may be implemented through various display devices including an LCD, an LED, and the like.

The storage unit 140 stores data related to the operation of the client apparatus 100. [ For example, the storage unit 140 may store various data including data for implementing the UI, data transmitted through the communication unit 110, data input through the input unit 120, and the like.

The storage unit 140 may be implemented to include various types of memory devices.

The CAD operation performing unit 150 requests and receives the CAD information from the CAD server through the communication unit 110 and reconstructs the received CAD information to display the model tree and the model information window on the display unit 130. [

3, the CAD operation performing unit 150 includes an initialization module 152, an attribute module 154, a model tree module 156, and a model extraction module 158 do.

The initialization module 152 receives the resource information used in the CAD program for shipbuilding from the CAD server, and generates a grid (Grid) and a model tree configuring the attribute area using the received resource information.

The initialization module 152 checks whether or not the connection with the CAD server is possible. If the connection is possible, the initialization module 152 connects with the CAD server. If the connection is not possible, the initialization module 152 connects with another CAD server. That is, the initialization module 152 sends the ping to the CAD server to check the connection status of the CAD server. Then, the initialization module 152 generates and tests a channel that can be connected to the CAD server, checks whether it is usable, and starts communication when available. If the CAD server is not available, the initialization module 152 automatically searches for other registered CAD servers, performs a connection test, and performs communication when available. At this time, the initialization module 152 can select a protocol suitable for the communication state and fetch data from the CAD server.

Then, the initialization module 152 generates a grid and a model tree constituting an area representing the attributes of the model using the resource information received from the connected CAD server. That is, the initialization module 152 downloads resource information (e.g., various images) used in the CAD program for shipbuilding from the CAD server in real time and reconstructs the resource information. At this time, the initialization module 152 may add another user-defined resource (image).

Then, the initialization module 152 generates a grid constituting an area capable of expressing the attributes of the model, and generates a CAD model tree and a user-defined model tree.

The attribute module 154 requests and receives attribute information on the model selected in the model tree generated by the initialization module 152 to the CAD server, reconstructs the grid generated in the initialization module 152 according to the model, And adds the corresponding property value to the grid.

That is, when the user selects a desired model from the model tree generated in the initialization module 152, the attribute module 154 requests the CAD server for attribute information about the selected model and receives the attribute information. The attribute module 154 then generates the data type and description of the model using the received attribute information, thereby reconstructing the grid generated in the initialization module 152, The attribute value is added and displayed. At this time, the attribute module 154 adds and displays values corresponding to the Standard attribute, the Psedo attribute, and the UDA (user defined attribute).

The model tree module 156 reconfigures the elements of the model tree generated in the initialization module 152 to reconstruct the model tree.

In addition, upon expansion of the model tree, the model tree module 156 requests and receives the model tree of the lower models from the CAD server, and reconstructs the model tree of the received lower models according to the reconstructed model tree.

The model extraction module 158 requests and receives the model data for the model from the CAD server, and constructs and displays the received model data in a model corresponding to the reconstructed model tree.

That is, when the user inputs a model extraction condition including an extraction type and extraction method of the model, the model extraction module 158 extracts a model data request signal including the model extraction condition, the identification information of the model selected by the user, To the server. Here, the extraction type means whether to extract the model in units of bundles or individual units, and the extraction method means whether to extract in a single process or in a multi-process.

The model extraction module 158 downloads the model data corresponding to the model identification information from the CAD server according to the model extraction condition. At this time, since the downloaded model data is binary data, the model extraction module 158 rearranges the downloaded model data, parses the generated model data, and constructs and displays a model in the same manner as the model tree requested by the user.

On the other hand, the CAD job performing unit 150 may be implemented by a processor or the like, which are required to execute a program on a computing device, respectively. As described above, the CAD task performing unit 150 may be implemented by each physically independent configuration, or may be implemented in a functionally separated form in one processor.

The control unit 160 controls operations of various components of the client device 100 including the communication unit 110, the input unit 120, the display unit 130, the storage unit 140, and the CAD operation performing unit 150 .

The control unit 160 may include at least one computing device, which may be a general purpose central processing unit (CPU), programmable device elements (CPLDs, FPGAs) that are suitably implemented for a particular purpose, Device (ASIC) or a microcontroller chip.

FIG. 4 is a block diagram schematically illustrating a configuration of a CAD server according to an embodiment of the present invention, and FIG. 5 is a diagram illustrating a configuration of a CAD service unit shown in FIG.

4, the CAD server 200 includes a CAD database 210, a communication unit 220, a CAD service unit 230, and a control unit 240.

The CAD database 210 stores information on the CAD program for shipbuilding.

The communication unit 220 is configured to transmit and receive data to and from the CAD server.

Specifically, the communication unit 220 enables bidirectional communication between the client device and the CAD server 200, and can be implemented by, for example, WCF.

The CAD service unit 230 receives the resource information of the shipbuilding CAD program from the CAD database 210 in response to a request from the client device, the attribute of the model Acquires CAD information such as information, model tree, model data, and the like, and provides it to the client apparatus.

Then, even if the CAD program for shipbuilding is not installed, the client device can use the CAD service using the provided CAD information.

5, the CAD service unit 230 includes a connection processing module 232, an attribute information providing module 234, a model tree providing module 236, a model data providing module 230, (238).

When the client apparatus is connected, the connection processing module 232 provides the client apparatus with the resource information used in the shipboard CAD program. At this time, the connection processing module 232 can perform client authentication using the identification information of the client device, client identification information, and the like, and restrict only the authenticated client to use the CAD service.

When the attribute information request signal is received from the client device through the communication unit 220, the attribute information providing module 234 analyzes the attribute information request signal to identify the corresponding model. Then, the attribute information providing module 234 acquires the attribute information on the identified model from the CAD database 210 and provides it to the client device.

When the model tree request signal is received from the client apparatus through the communication unit 220, the model tree providing module 236 obtains the model tree of the model from the CAD database 210 and provides the obtained model tree to the client apparatus.

The model data providing module 238 acquires the model data of the model from the CAD database 210 and provides the model data to the client device when receiving the model data request signal from the client device through the communication unit 220. The model data request signal includes a model extraction condition, model identification information, and the like, and the model extraction condition may include an extraction type, an extraction method, and the like. Accordingly, the model data providing module 238 obtains the model data corresponding to the model identification information from the CAD database 210 according to the model extraction condition, and provides the acquired model data to the client device. That is, the model data providing module 238 inspects whether the model data corresponding to the model identification information is to be extracted in a bundle unit or in an individual unit, and extracts the extracted model data in a single process or in a multi- And then extracts the model data. The model data provision module 238 then provides the model data to the client device in a real-time streaming fashion.

On the other hand, the CAD service unit 230 may be implemented by a processor or the like necessary for executing a program on a computing device, respectively. As described above, the CAD service unit 230 may be implemented by each physically independent configuration, or may be implemented in a functionally separated form within one processor.

The control unit 240 controls the operations of the various components of the CAD server 200, that is, the CAD database 210, the communication unit 220, and the CAD service unit 230.

The control unit 240 may include at least one computing unit, which may be a general purpose central processing unit (CPU), programmable device elements (CPLDs, FPGAs) suitably implemented for a particular purpose, Device (ASIC) or a microcontroller chip.

6 is a diagram illustrating a method for providing a CAD service to a client device in which a CAD program for shipbuilding is not installed according to an embodiment of the present invention.

Referring to FIG. 6, when a client device is connected to a CAD server in a normal state (S602), the CAD server downloads resource information used in the CAD program for shipbuilding to the client device (S604).

The client device generates a grid (Grid) and a model tree constituting the attribute area using the resource information (S606).

A detailed description of the initialization process will be made with reference to FIG.

Then, when the user selects a desired model in the model tree (S608), the client device transmits an attribute information request signal for the selected model to the CAD server (S610).

The CAD server obtains the attribute information of the model and provides it to the client device (S612), and the client device displays the attribute information on the generated grid (S614). A detailed description of how the client device displays the attributes of the model will be described with reference to FIG.

Then, the client device reconfigures the generated element of the model tree to reconstruct the model tree (S616), and transmits a model data request signal for the model to the CAD server (S618).

Then, the CAD server transmits the model data for the model to the CAD server (S620), and the client device constructs and displays the received model data in a model corresponding to the reconfigured model tree (S622). A detailed description of how the client device configures the model will be described with reference to FIG.

FIG. 7 is a diagram illustrating a method of creating an environment for a client apparatus to which a CAD program for shipbuilding is not installed, according to an embodiment of the present invention.

Referring to FIG. 7, the client device checks the connection state of the CAD server 1 (S702), and determines whether connection with the CAD server 1 is possible (S704). At this time, the client device can determine whether connection with the CAD server 1 is possible using ping.

As a result of the determination in S704, if the connection is possible, the client device connects to the CAD server 1 (S706), and receives the resource information used in the shipboard CAD program from the CAD server 1 (S708). At this time, the client device can receive the resource information from the CAD server by selecting a protocol suitable for the communication state.

Then, the client device generates a grid that constitutes an area representing the attributes of the model using the received resource information (S710), and generates a model tree using the resource information (S712).

If it is determined in S704 that the connection to the CAD server 1 is not possible, the client device checks the connection state of the CAD server 2 (S714) and performs S704. That is, if the client device can not connect to the CAD server 1, the client device automatically searches for other registered CAD servers and performs a connection test.

FIG. 8 is a diagram illustrating a method of displaying attributes of a model by a client apparatus in which a CAD program for shipbuilding is not installed, according to an embodiment of the present invention.

Referring to FIG. 8, when the user selects a model in the model tree (S802), the client device transmits an attribute information request signal for the selected model to the CAD server and receives the attribute information from the CAD server (S804). Here, the attribute information request signal may include client device identification information, identification information of the selected model, and the like.

Then, the client device generates the data type and description of the model using the received attribute information (S806), and reconstructs the generated grid (S808).

Then, the client device adds the attribute value to the reconstructed grid (S810), and displays the attribute of the model to which the attribute values are added (S812).

9 is a diagram illustrating a method of displaying a model by a client apparatus in which a CAD program for shipbuilding is not installed, according to an embodiment of the present invention.

9, when a user inputs a model extraction condition including an extraction type and extraction method of a model (S902), the client device transmits a model data request signal including a model extraction condition to a CAD server (S904) .

When the model data is received from the CAD server (S906), the client device constructs the received model data into a model corresponding to the model tree (S908) and displays the model (S910).

The method for providing the CAD service to the client device in which the CAD program for shipbuilding is not installed can be created by a program, and the codes and code segments constituting the program can be easily deduced by programmers in the field. Also, a program related to a method for providing a CAD service to a client apparatus in which a CAD program for shipbuilding is not installed may be stored in an information storage medium (Readable Media) readable by the electronic apparatus, and read and executed by the electronic apparatus.

Thus, those skilled in the art will appreciate that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the embodiments described above are to be considered in all respects only as illustrative and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: client device 110, 220:
120: input unit 130: display unit
140: storage unit 150: CAD operation performing unit
152: Initialization module 154: Attribute module
156: Model tree module 158: Model extraction module
160, 240: control unit 200: CAD server
210: CAD database 230: CAD service department
232: connection processing module 234: attribute information providing module
236: a model tree providing module 238: a model data providing module

Claims (16)

A plurality of CAD servers provided with a CAD program for shipbuilding and providing the CAD information requested from the client device; And
A client apparatus for establishing a model tree and a model information window by requesting and receiving CAD information to the CAD server and reconfiguring the received CAD information when the CAD program for shipbuilding is not installed;
To the client device that has not been installed.
The method according to claim 1,
Wherein the CAD server is multiplexed in case that the service does not operate properly due to an abnormal state. The system of claim 1, wherein the CAD server is a multiplexer.
The method according to claim 1,
The CAD server,
A communication unit for communication with the client apparatus;
A CAD database in which information on the CAD program for shipbuilding is stored; And
Acquiring CAD information including at least one of resource information of a CAD program for shipbuilding, attribute information of a model, a model tree, and model data from the CAD database in response to a request from the client device when the client device is connected through the communication unit And a CAD service unit for transmitting the CAD service to the client device.
The method according to claim 1,
Wherein the client device is connected to a CAD server in a normal state among the plurality of CAD servers and receives CAD information.
The method according to claim 1,
Wherein the CAD information includes at least one of resource information, attribute information for a model, a model tree, and model data.
A communication unit for communicating with a CAD server provided with a CAD program for shipbuilding;
A display unit; And
A CAD operation performing unit for requesting and receiving CAD information from the CAD server through the communication unit, reconstructing the received CAD information to form a model tree and a model information window, and displaying the model tree and the model information window on the display unit;
Lt; / RTI >
The method according to claim 6,
Wherein the CAD work performing unit comprises:
An initialization module for receiving resource information used in a CAD program for shipbuilding from the CAD server and generating a grid and a model tree constituting an attribute area using the received resource information;
An attribute module for requesting and receiving attribute information about a model selected in the model tree to the CAD server, reconstructing the generated grid according to the model, adding the attribute value to the reconstructed grid, and displaying the attribute information;
A model tree module for reconstructing the model tree by reconstructing the elements of the generated model tree;
And a model extraction module for requesting and receiving model data for the model from the CAD server, and constructing and displaying the received model data as a model corresponding to the reconstructed model tree.
8. The method of claim 7,
The initialization module includes:
The connection with the CAD server is checked to see if it is possible to connect to the CAD server. If the connection can not be established, the connection with another CAD server is made, and the attribute of the model is expressed using the resource information received from the connected CAD server And generates a grid and a model tree constituting an area to be used by the client apparatus.
8. The method of claim 7,
The attribute module comprising:
Requesting and receiving attribute information for a model selected in the model tree from the CAD server, generating a data type and a description of the model using the attribute information to reconstruct the grid, And adds and displays the attribute value.
8. The method of claim 7,
The model tree module includes:
Requesting and receiving the model tree of the lower models to the CAD server upon expansion of the model tree, and reconstructing the model tree of the received lower models according to the reconstructed model tree.
8. The method of claim 7,
Wherein the model extraction module comprises:
And transmitting the model data request signal including the extraction type of the model and the extraction method to the CAD server and receiving the model data from the CAD server and configuring the received model data into a model corresponding to the reconstructed model tree, The client device comprising:
A method for receiving a CAD service by a client device in which a CAD program for shipbuilding is not installed,
(a) receiving a resource information of a shipboard CAD program from a connected CAD server and generating a grid (Grid) and a model tree constituting an attribute area;
(b) requesting and receiving attribute information about a model selected in the model tree to the CAD server, reconstructing the generated grid according to the model, and adding and displaying the attribute value in the reconstructed grid;
(c) reconstructing the model tree by reconstructing the elements of the generated model tree; And
(d) requesting and receiving model data for the model to the CAD server, and constructing and displaying the received model data in a model corresponding to the reconstructed model tree;
Wherein the CAD program for the shipbuilding is not installed.
13. The method of claim 12,
The step (a)
Checking whether or not the connection to the CAD server is possible, connecting to the CAD server when connection is possible, and connecting to another CAD server if connection is impossible;
Receiving resource information used in the CAD program for shipbuilding from the connected CAD server;
Generating a grid constituting an area representing the attributes of the model using the received resource information; And
And generating a model tree using the resource information. The method for providing a CAD service to a client device that is not installed with a CAD program for shipbuilding.
13. The method of claim 12,
The step (b)
Transmitting an attribute information request signal for a model selected in the model tree to the CAD server and receiving attribute information from the CAD server;
Generating a data type and description of the model using the attribute information, and reconstructing the generated grid accordingly; And
And adding the attribute value to the reconfigured grid and displaying the added attribute value. [5] The method of claim 1,
13. The method of claim 12,
In the step (c)
Wherein when the model tree is expanded, a model tree of the lower models is requested and received to the CAD server, and a model tree of the received lower models is reconstructed according to the reconstructed model tree. A method for providing a CAD service to a client device.
13. The method of claim 12,
The step (d)
Receiving a model extraction condition including an extraction type and an extraction method;
Transmitting a model data request signal including the model extraction condition to the CAD server and receiving model data from the CAD server;
And constructing and displaying the received model data as a model corresponding to the reconfigured model tree, and displaying the constructed model data in a model corresponding to the reconfigured model tree.

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