KR101425672B1 - Building Information Modeling Based Communication System, Building Information Modeling Based Communication Server, and Building Information Modeling Based Communication Method in Mobile Terminal and Recording Medium Thereof - Google Patents

Abstract

A BIM-based communication system, a BIM-based communication server, and a BIM-based communication method in a mobile terminal and a recording medium therefor are disclosed. The BIM-based communication server includes a BIM information database unit for storing BIM information and BIM change history information including at least one of three-dimensional shape information, attribute information, and file link information, BIM change history information is transmitted to the mobile terminal of the first user or BIM change history information of the first user received from the mobile terminal of the first user is compared with BIM change history information stored in the BIM information database unit A BIM information synchronization management unit for transmitting a BIM change history information comparison result to the mobile terminal of the first user, a communication database unit for storing a communication message transmitted from the mobile terminal of the first user, The communication message transmitted from the communication And transmitting the communication message corresponding to the communication message download request received from the mobile terminal of the second user to the mobile terminal of the second user by extracting the communication message from the communication database unit, do.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a BIM-based communication system, a BIM-based communication server, and a BIM-based communication method in a mobile terminal and a recording medium thereof Medium Thereof}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a BIM-based communication system, a BIM-based communication server, and a BIM-based communication method and a recording medium thereof. More particularly, the present invention relates to a BIM- A BIM-based communication system, a BIM-based communication server, and a BIM-based communication method in a mobile terminal, and a recording medium therefor.

BIM (Building Information Modeling) enables to model the 3D shape of a building by using parametric solid modeling technique unlike the previous CAD system. From the initial concept design to the maintenance stage of the building, It is a three-dimensional information system that produces and manages all the information applied in various fields during the cycle, and has the actual shape and information of the building through BIM technology.

However, conventionally, when a building is complex or a file of a three-dimensional drawing is large, navigation of a camera view on the screen representing the three-dimensional space and knowledge of the three-dimensional object require skilled techniques or are highly likely to cause errors. It is an obstacle to communication among the stakeholders. In addition, a mobile communication environment capable of prompt decision making in a construction site or on the move is demanded, but due to the characteristics of a large-capacity and complicated three-dimensional BIM data, the transmission speed is slow, .

Open Patent Publication No. 2009-0072385 (" Systems and Methods for Supporting Integrated Decision Support in Construction Projects ") Open Patent Publication No. 2012-0016158 (" Property-based BIM information providing method and system ") Open Patent Publication No. 2010-0130266 ("Method and apparatus for providing real estate information using BIM spatial information")

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a BIM-based communication system, a BIM-based communication server, and a BIM-based communication server, which synchronize and manage a large capacity BIM information and communicate with each other using a protocol of summary information necessary for communication, And a BIM-based communication method in a mobile terminal and a recording medium therefor.

In order to achieve the above object, a BIM-based communication system according to an embodiment of the present invention comprises a mobile terminal of a first user, a mobile terminal of a second user, and a BIM-based communication management server, The management server includes a BIM information database unit for storing the first BIM information and the first BIM change history information, the first BIM change history information for the mobile terminal of the first user and the mobile terminal of the second user, A BIM information synchronization management unit for managing synchronization of BIM information to be stored, a communication database unit for storing a communication message transmitted from the mobile terminal of the first user, and a communication database for storing the communication message transmitted from the mobile terminal of the first user, And the second user And a control unit for extracting a communication message corresponding to a communication message download request received from the mobile terminal from the communication database unit and transmitting the extracted communication message to the mobile terminal of the second user, Based communication management server according to a result of comparing the first BIM change history information stored in the BIM-based communication management server and the second BIM change history information with the first BIM change history information stored in the BIM- A BIM camera information, a text message, and a sketch image in accordance with a communication message generation and transmission command received from the first user, the communication message including at least one of message destination information, BIM camera information, And the phase And transmits the generated communication message to the BIM-based communication management server or the mobile terminal of the second user, the mobile terminal of the second user stores the third BIM information and the third BIM change history information, Based on the result of comparing the first BIM change history information stored in the communication management server with the third BIM change history information, receives the first BIM information stored in the BIM-based communication management server and stores the received first BIM information as the third BIM information, The third BIM information is displayed on the display unit according to at least one of the BIM camera information, the text message, and the sketch image included in the communication message received from the BIM-based communication management server or the mobile terminal of the first user .

In order to achieve the above object, a BIM-based communication management server according to an embodiment of the present invention stores BIM information including at least one of three-dimensional shape information, attribute information, and file link information and BIM change history information The BIM change history information is transmitted to the mobile terminal of the first user according to the request of the mobile terminal of the first user or the BIM change history information of the first user received from the mobile terminal of the first user, A BIM information synchronization management unit for comparing the history information with the BIM change history information stored in the BIM information database unit and transmitting the BIM change history information comparison result value to the mobile terminal of the first user, A communication database unit for storing a communication message, A communication message corresponding to a communication message download request received from the mobile terminal of the second user is extracted from the communication database unit and is transmitted to the mobile terminal of the second user by registering the communication message received from the mobile terminal in the communication database unit, And a control unit for transmitting the control signal.

Advantageously, the communication message may include at least one of message partner information, BIM camera information, a text message, and a sketch image.

Preferably, the BIM-based communication management server further includes a message notification unit for, when the push notification setting is included in the communication message transmitted from the mobile terminal of the first user, a message included in the communication message transmitted from the mobile terminal of the first user And a push message transmission unit for transmitting the push notification message according to the counterpart information.

In order to achieve the above object, a BIM-based communication method in a mobile terminal according to an embodiment of the present invention includes BIM information including at least one of three-dimensional shape information, attribute information, and file link information, A first communication message including at least one of message partner information, BIM camera information, a text message, and a sketch image according to a communication message generation command received from a first user via an interface; The method comprising: transmitting the generated first communication message to a BIM-based communication management server or a mobile terminal of a second user according to a communication message transmission command received from the first user through the interface unit; Management server or 3 receiving the second communication message from the mobile terminal of the user and displaying the BIM information stored in the memory unit on the display unit according to at least one of the BIM camera information, the text message and the sketch image included in the second communication message The method comprising the steps of:

Preferably, the BIM-based communication method in the mobile terminal includes: determining whether the BIM information needs to be updated from the BIM change history information through communication with the BIM-based communication management server; And storing the BIM information stored in the BIM-based communication management server in the memory unit according to the necessity.

The step of receiving the BIM information stored in the BIM-based communication management server according to whether or not the determined BIM information is required to be updated is stored in the memory unit, Based on the comparison result between the change history information and the BIM change history information stored in the memory unit, or stores the BIM change history information stored in the memory unit in the BIM-based communication management Based communication management server according to the BIM change history information comparison result received from the BIM-based communication management server, and can receive and store the BIM information stored in the BIM-based communication management server.

Preferably, the step of displaying the BIM information stored in the memory unit on the display unit may include displaying the BIM information stored in the memory unit using the BIM camera information included in the second communication message, Information can be displayed on the display unit in a three-dimensional screen, or the sketch image included in the second communication message can be displayed on the display unit as a two-dimensional screen.

According to an aspect of the present invention, there is provided a computer-readable recording medium on which a program for performing a BIM-based communication method in the mobile terminal is recorded, .

The BIM-based communication system, the BIM-based communication server, and the BIM-based communication method and the recording medium in the mobile terminal according to the present invention as described above are capable of synchronizing and managing large-capacity BIM information, Protocol, it is possible to reduce the amount of data to be transmitted and to reduce the reproduction and rendering time of the three-dimensional shape information in the mobile terminal.

The BIM-based communication system, the BIM-based communication server, and the BIM-based communication method and the recording medium in the mobile terminal according to the present invention can be applied to communication between stakeholders based on the three- It is possible to share necessary information efficiently, to make quick and accurate decision making, and to improve the understanding of the building, thereby eliminating design errors.

In addition, the BIM-based communication system, the BIM-based communication server, and the BIM-based communication method and the recording medium thereof according to the present invention can provide a portable communication system, So that communication can be smoothly performed.

In addition, the BIM-based communication system, the BIM-based communication server, and the BIM-based communication method and the recording medium of the present invention provide the same basic screen as the communication message writer and the reader, 3D navigation can be performed, so that it is easy to acquire information of the three-dimensional shape object around the screen.

1 is a diagram illustrating a BIM-based communication system according to an embodiment of the present invention.
2 is a diagram illustrating an example of a communication message applied to a BIM-based communication system according to an embodiment of the present invention.
3 is a diagram illustrating a BIM-based communication method in a mobile terminal according to an exemplary embodiment of the present invention.

In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the accompanying drawings which illustrate preferred embodiments of the present invention.

Specific structural and functional descriptions of embodiments according to the concepts of the present invention disclosed in this specification or application are merely illustrative for the purpose of illustrating embodiments in accordance with the concepts of the present invention, The examples may be embodied in various forms and should not be construed as limited to the embodiments set forth herein or in the application.

Embodiments in accordance with the concepts of the present invention can make various changes and have various forms, so that specific embodiments are illustrated in the drawings and described in detail in this specification or application. It is to be understood, however, that it is not intended to limit the embodiments according to the concepts of the present invention to the particular forms of disclosure, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terms first and / or second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The terms are intended to distinguish one element from another, for example, without departing from the scope of the invention in accordance with the concepts of the present invention, the first element may be termed the second element, The second component may also be referred to as a first component.

When an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but it may be understood that there may be other elements in between. . On the other hand, when an element is referred to as being directly connected or directly connected to another element, it should be understood that there are no other elements in between. Other expressions that describe the relationship between the components, such as 과 and ~ directly adjacent to 과 and ~, between 와 and 바로 and between ~ and 등 should be interpreted as well.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms " comprising " or " having ", etc. are intended to specify the presence of stated features, integers, steps, operations, elements, parts or combinations thereof, , Steps, operations, components, parts, or combinations thereof, as a matter of principle.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as ideal or overly formal in the sense of the art unless explicitly defined herein Do not.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.

1 is a diagram illustrating a BIM-based communication system according to an embodiment of the present invention. 1, a BIM-based communication system 100 according to an exemplary embodiment of the present invention includes a BIM-based communication management server 110, a first user's mobile terminal 130, and a second user's mobile terminal 140 ). The BIM-based communication management server 110, the first user's mobile terminal 130 and the second user's mobile terminal 140 can communicate with each other using a wired / wireless communication network 120, May be a concept including a mobile communication network, a wired and wireless Internet network, and the like.

The BIM-based communication management server 110 includes a BIM information database unit 111, a BIM information synchronization management unit 112, a communication database unit 113, a control unit 114, a data communication unit 115, and a push message transmission unit 116 ).

The BIM information database unit 111 may store the first BIM information and the first BIM change history information. Here, the BIM information is information for providing a three-dimensional shape or the like of a building to a user, and may include three-dimensional shape information, attribute information, and file link information. First, the three-dimensional shape information may refer to information related to the shape, size, position, shape, rotation, color, etc. of a three-dimensional object such as a wall, a star, a window and a door of a building. Next, the attribute information may be text-based information on the specifications of the three-dimensional objects, finishing materials, process information, and the like. Lastly, the file link information may refer to link information about files such as drawings, documents, specifications, etc. corresponding to each of the three-dimensional objects. The three-dimensional shape information, the attribute information, and the file link information can be stored and maintained in the BIM information database unit 111, and the three-dimensional shape information, the attribute information, Can be linked according to a unique index given to each of the three-dimensional objects.

The BIM information can be reproduced and rendered by the user's mobile terminals 130 and 140. When the user performs navigation in the three-dimensional space reproduced through the BIM information, when the user selects a three-dimensional shape object, And can browse the document and the like from the file link information of the object. For example, if a specific office floor included in a specific floor of a three-dimensional building reproduced through the BIM information is selected by the user's mobile terminal 130 or 140, the real name (name), the room number, Text based information such as wall finish, ceiling finish, area, and process can be browsed, and the corresponding document can be browsed by using file link information such as DWG detailed drawing, video, specification, and PDF document corresponding to the selected room .

The BIM change history information is related information for performing synchronization of the BIM information between the BIM-based communication management server 110 and the user's mobile terminals 130 and 140. When the BIM information is modified, Revision contents, creator, assignment version, and the like. The BIM-based communication management server 110 and the user's mobile terminals 130 and 140 compare the BIM change history information stored in the BIM-based communication management server 110 and the BIM-based communication management server 110, It is possible to download and store the BIM information.

The BIM information synchronization management unit 112 stores the first BIM change history information stored in the BIM information database unit 111 in the mobile terminal 130 of the first user and the mobile terminal 140 of the second user respectively The synchronization of the BIM information can be managed. That is, the BIM information synchronization management unit 112 transmits the first BIM change history information stored in the BIM information database unit 111 to the mobile terminal 130 of the first user at the request of the mobile terminal 130 of the first user . The BIM information synchronization management unit 112 stores the BIM change history information (the second BIM change history information) of the first user received from the mobile terminal 130 of the first user to the first user stored in the BIM information database unit 111 The BIM change history information comparison result value may be transmitted to the mobile terminal 130 of the first user by comparing the BIM change history information with the BIM change history information. Then, the first mobile terminal 130 of the first user compares the first BIM change history information stored in the BIM-based communication management server 111 with the second BIM change history information stored in the mobile terminal 130 of the first user, If it is not the same, the first BIM information stored in the BIM-based communication management server 110 can be received and stored.

The communication database unit 113 may store the communication message transmitted from the mobile terminals 130 and 140 of the user. Here, the communication message may include the message partner information, the BIM camera information, the text message, and the sketch image, as a protocol of the summarized information necessary for communication. Here, the message partner information is information for determining who is the target of the communication message, and the BIM camera information includes position coordinates of the screen camera, target coordinates, angle , A direction, a lens value, a scale value, and the like. The text message is information including a text-formatted message sent by the communication message creator to the message partner. The sketch image captures a screen reproduced using the BIM information The image may be a two-dimensional image, and the user may additionally display a text or a picture on the captured image.

Referring to FIG. 2, an example of a communication message applied to the BIM-based communication system 100 according to an embodiment of the present invention is shown. The communication message may be defined between the BIM-based communication management server 110 and the user's mobile terminal 130, 140 as defined by a communication protocol as shown in FIG. The communication message shown in FIG. 2 is written in XML code. The information related to the creator of the communication message is included in the second to third lines, the information about the communication partner is included in the fifth to seventh lines, The line includes the BIM camera information, the 15th through 16th lines contain information about the text message, and the 17th line contains information about the sketch image. The communication protocol structure of the communication message shown in FIG. 2 is illustrative, and various modifications are possible therefrom, and may be modified by a GET or POST method of HTTP.

The control unit 114 registers the communication message transmitted from the mobile terminal 114 of the first user in the communication database unit 113 and transmits the communication message corresponding to the communication message download request received from the mobile terminal 140 of the second user The communication message may be extracted from the communication database unit 113 and transmitted to the mobile terminal 140 of the second user.

The data communication unit 115 can communicate with the user's mobile terminals 130 and 140 through the wired / wireless communication network 120. [ The data communication unit 115 transmits a signal received from the BIM information synchronization management unit 112 or the control unit 114 to the mobile terminals 130 and 140 of the user or a signal received from the mobile terminals 130 and 140 of the user The BIM information synchronization management unit 112, the control unit 114, and the like.

The push message transmission unit 116 transmits the push notification to the mobile terminal 130 of the first user when the push notification setting includes the push notification setting in the communication message transmitted from the mobile terminal 130 of the first user. The push notification message can be transmitted to the mobile terminals of the message parties according to the message partner information. That is, the BIM-based communication system 100 according to the embodiment of the present invention transmits a push notification message (push notification message) to the mobile terminal of stakeholders via the push message transmission unit 116 when the BIM information is modified or changed, ) Is automatically sent to the user, so that it is possible to support a quick communication method.

Meanwhile, the mobile terminal 130 of the first user stores the second BIM information and the second BIM change history information in the memory unit, and stores the first BIM change history information stored in the BIM-based communication management server 110, The first BIM information stored in the BIM-based communication management server 110 may be received and stored as the second BIM information in the memory unit according to a result of comparing the BIM change history information. Also, the mobile terminal 130 of the first user generates a communication message including the message partner information, the BIM camera information, the text message, and the sketch image according to the communication message generation and transmission command received from the first user , And transmits the generated communication message to the BIM-based communication management server 110 and registers the created communication message in the communication database unit 113 or the mobile terminal 140 of the second user through a text message (SMS, MMS) As shown in FIG.

The mobile terminal 140 of the second user may store the third BIM information and the third BIM change history information in the memory, and may store the first BIM change history information stored in the BIM-based communication management server 110 and the third BIM change history information stored in the BIM- The first BIM information stored in the BIM-based communication management server 110 may be received and stored as the third BIM information in the memory unit according to a result of comparing the history information. In addition, the mobile terminal 140 of the second user may receive the BIM camera information, the text message and the sketch image included in the communication message received from the BIM-based communication management server 110 or the first user's mobile terminal 130 The third BIM information can be displayed on the display unit.

The mobile terminal 130 of the first user and the mobile terminal 140 of the second user may include all terminals capable of wired and wireless communication as well as mobile terminals as a conceptual client including a cellular phone, a smart phone, a tablet PC, have. A software program (application) for performing a BIM-based communication method in the mobile terminal according to an embodiment of the present invention may be installed in the mobile terminal 130 of the first user and the mobile terminal 140 of the second user . Details regarding the detailed operation of the mobile terminal 130 of the first user and the mobile terminal 140 of the second user will be described in detail with reference to FIG.

As described above, the BIM-based communication system 100 according to the embodiment of the present invention can be used as a BIM-based communication system in which business stakeholders (users) such as an owner, a designer, a supervisor, a facility manager, Based on the spatial information (BIM information), can communicate with each other using a protocol of information summarized as BIM camera information, text message and sketch image. Users can communicate with each other directly in the form of text messages and e-mails using a mobile terminal or in a form of multi-party communication such as an Internet bulletin board provided by the BIM-based communication management server 110. The user can receive the same basic screen camera view, text message, and sketch image as the other party. By communicating the same three-dimensional spatial information to the communication subjects, the user can make quick and accurate decision regardless of time and place There is an effect of eliminating design errors and reducing the communication cost.

3 is a diagram illustrating a BIM-based communication method in a mobile terminal according to an exemplary embodiment of the present invention. The BIM-based communication method in the mobile terminal shown in FIG. 3 can be performed in the mobile terminals 130 and 140 of the user shown in FIG. 1 and can be implemented in the form of a smartphone application, ). The BIM-based communication method in the mobile terminal shown in FIG. 3 includes steps S31 to S37. However, the BIM-based communication method in the mobile terminal according to an exemplary embodiment of the present invention includes steps Some of the steps shown in FIG. 3 may be omitted.

Referring to FIG. 3, a BIM-based communication method in a mobile terminal according to an exemplary embodiment of the present invention firstly includes BIM information including at least one of three-dimensional shape information, attribute information, and file link information, and BIM change history information (S31) in a memory unit included in the mobile terminal 130 of the first user. The step S31 may be performed first when a software program (application) for performing the BIM-based communication method in the mobile terminal according to an embodiment of the present invention is installed in the mobile terminal 130 of the first user .

Next, a BIM-based communication method in a mobile terminal according to an embodiment of the present invention includes receiving BIM change history information stored in the mobile terminal 130 of the first user through communication with the BIM-based communication management server 110, (Step S32). The step S32 may be performed when the mobile terminal 130 of the first user initially connects to the BIM-based communication management server 110. [

Next, a BIM-based communication method in a mobile terminal according to an embodiment of the present invention includes receiving BIM information stored in a BIM-based communication management server 110 and storing the received BIM information in a memory unit (S33 ). That is, if the first user's mobile terminal 130 compares the BIM change history information of the management server received from the BIM-based communication management server 110 with the BIM change history information stored in the memory unit, The BIM information stored in the communication management server 110 can be received and stored. Alternatively, the mobile terminal 130 of the first user may transmit the BIM change history information stored in the memory unit to the BIM-based communication management server 110, and compare the BIM change history information received from the BIM-based communication management server 110 The BIM information stored in the BIM-based communication management server 110 may be received via the wired / wireless communication network 120 and stored in the memory unit.

Next, a BIM-based communication method in a mobile terminal according to an embodiment of the present invention includes a step of generating a communication message including a message partner information, a BIM camera information, a text message, and a sketch image And generating (S34) a first communication message including at least one message.

The mobile terminal 130 of the first user can process the BIM information stored in the memory unit, reproduce and display the 3D building shape on the screen, and create the 3D virtual building. That is, the mobile terminal 130 of the first user visualizes the outer wall, the inner wall, the column, the window, the door, and the floor of the three-dimensional building as a three-dimensional object and provides it to the first user through the display unit, When a three-dimensional object is selected, text-based attribute information associated with the selected object and drawings, documents, and videos linked to the file link information can be browsed. The first user can use the camera controller provided on the three-dimensional screen to navigate the outside and inside of the three-dimensional virtual building while controlling the screen view such as the position, the target point, the direction, the lens, can do.

The first user can navigate on the three-dimensional space displayed on the screen and input a communication message generation command through the interface unit at a place where he wants to leave a communication message. For example, the interface unit may be implemented by a touch screen method, and a first user may input a communication message generation command by touching an icon corresponding to a communication message generation command on a screen displaying a three-dimensional building shape.

The mobile terminal 130 of the first user receives the communication message generating command from the user and inputs the communication message generating command to the mobile terminal 130 of the first user including the position coordinates, Communication messages can be generated. The structure of the communication protocol of the first communication message is as described above with reference to Fig.

Next, a BIM-based communication method in a mobile terminal according to an embodiment of the present invention transmits a generated first communication message to a BIM-based communication management server 110 (110) according to a communication message transmission command input from a first user through an interface unit ) Or to the mobile terminal 140 of the second user (S35).

Based communication management server 110 transmits the first communication message generated by the first user's mobile terminal 130 to the BIM-based communication management server 110. The BIM-based communication management server 110 transmits the first communication message to the communication database unit 113, Lt; / RTI >

Meanwhile, when transmitting the generated first communication message to the BIM-based communication management server 110, the push notification setting may be included according to the input of the user. 1, when the BIM-based communication management server 110 includes the push notification setting in the communication message received from the mobile terminal 130 of the first user, the push message transmission unit 116 transmits The push notification message can be transmitted to the mobile terminals of the message partners according to the message partner information included in the communication message transmitted from the mobile terminal 130 of the first user.

Meanwhile, the mobile terminal 130 of the first user can directly transmit the generated first communication message to the mobile terminal 140 of the second user through a text message (SMS, MMS) or e-mail. Based communication management server 110 or the second user's mobile terminal 140 to the mobile terminal 130 of the first user, the first communication message generated by the first user's mobile terminal 130 is transmitted to the BIM- May be determined according to the selection of the first user to be input through.

Next, a BIM-based communication method in a mobile terminal according to an embodiment of the present invention includes a step (S36) of receiving a second communication message from a BIM-based communication management server 110 or a mobile terminal of a third user .

The first user's mobile terminal 130 can access the BIM-based communication management server 110 via the wired / wireless communication network 120 and the BIM-based communication management server 110 can access the communication messages stored in the communication database unit 113 And provide the same to the mobile terminal 130 of the first user in the form of a bulletin board. In addition, the first user can browse the second communication message designating himself / herself as the message counterpart through his / her mobile terminal 130, and transmits a download request for the second communication message to the BIM-based communication management server 110 Lt; / RTI > Accordingly, the BIM-based communication management server 110 extracts a second communication message corresponding to the communication message download request received from the first user's mobile terminal 130, from the communication database unit 113, To the terminal 130.

In addition, the first user's mobile terminal 130 may directly receive the second communication message from the mobile terminal of the third user via the wired / wireless communication network 120 through a text message, e-mail, or the like.

Next, a BIM-based communication method in a mobile terminal according to an exemplary embodiment of the present invention includes: receiving BIM information stored in the memory unit according to at least one of BIM camera information, a text message, and a sketch image included in the second communication message; And displaying (S37) on the display unit.

For example, if a browse command is input from a first user to a second communication message received at the mobile terminal 130 of the first user, the mobile terminal 130 of the first user transmits the BIM After determining the position coordinates, the target point coordinates, the angle, the direction, the lens value and the scale value of the screen camera according to the camera information, the BIM information stored in the memory unit is processed and reproduced and displayed on the display unit.

In this case, the BIM-based communication method in the mobile terminal according to the embodiment of the present invention is characterized in that the BIM information stored in the memory unit is displayed on the 3D screen using the BIM camera information included in the second communication message, Can be displayed on the display unit. That is, the mobile terminal 130 of the first user can reproduce and render the three-dimensional shape information using the BIM information and reproduce the basic screen according to the camera information included in the second communication message. The first user can check the contents of the three-dimensional screen, the text message and the sketch image intended by the creator of the second communication message while looking at the set three-dimensional screen according to the camera information included in the second communication message.

Also, the BIM-based communication method in the mobile terminal according to the embodiment of the present invention may display the sketch image included in the second communication message on the display unit as a two-dimensional screen according to the selection of the first user. As described above, the sketch image may be a two-dimensional plane view of the three-dimensional camera view determined by the creator of the second communication message, and then the content to be transmitted to the stored image may be expressed as a picture or text. The first user can easily identify the sketch image and the text message transmitted by the creator of the second communication message by selecting the sketch image included in the second communication message. Meanwhile, the sketch image included in the second communication message may be utilized as a thumbnail image of the second communication message.

Meanwhile, the BIM-based communication method in the mobile terminal according to an embodiment of the present invention as described above can be performed by a computer-readable recording medium on which a program for performing the method is recorded.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

110: BIM-based communication management server
111: BIM information database section
112: BIM information synchronization management unit
113: Communication database section
114:
115: Data communication section
116: Push message transmission unit
120: Wired / wireless communication network
130: a mobile terminal of a first user
140: mobile terminal of the second user

Claims (9)

A BIM-based communication system comprising a mobile terminal of a first user, a mobile terminal of a second user, and a BIM-based communication management server,
The BIM-based communication management server includes:
A BIM information database unit for storing first BIM information and first BIM change history information;
A BIM information synchronization management unit for managing synchronization of BIM information stored in the mobile terminal of the first user and the mobile terminal of the second user using the first BIM change history information;
A communication database unit for storing a communication message transmitted from the mobile terminal of the first user; And
A communication message corresponding to the communication message download request received from the mobile terminal of the second user is extracted from the communication database unit and the second communication message is transmitted to the second user, And a control unit for transmitting the data to the user's mobile terminal,
The mobile terminal of the first user,
The second BIM change history information stored in the BIM based communication management server and the second BIM change history information stored in the BIM based communication management server, At least one of the message counterpart information, the BIM camera information, the text message, and the sketch image according to the communication message generation and transmission command received from the first user, and stores the received first BIM information as the second BIM information And transmits the generated communication message to the BIM-based communication management server or the mobile terminal of the second user,
The mobile terminal of the second user,
The third BIM change history information stored in the BIM-based communication management server, and the third BIM change history information stored in the BIM-based communication management server. When the first BIM change history information is not identical to the first BIM change history information stored in the BIM- And stores the BIM information, the text message, and the sketch image included in the communication message received from the BIM-based communication management server or the mobile terminal of the first user as the third BIM information, The third BIM information is displayed on the display unit according to at least one of the first BIM information and the second BIM information. A BIM information database unit for storing BIM information and BIM change history information including at least one of three-dimensional shape information, attribute information, and file link information;
And transmits the BIM change history information of the first user received from the mobile terminal of the first user to the BIM change history information of the first user at the request of the mobile terminal of the first user, A BIM information synchronization management unit for transmitting the BIM change history information comparison result value to the mobile terminal of the first user by comparing the BIM change history information stored in the database unit;
A communication database unit for storing a communication message transmitted from the mobile terminal of the first user; And
A communication message corresponding to the communication message download request received from the mobile terminal of the second user is extracted from the communication database unit and the second communication message is transmitted to the second user, And transmitting the generated BIM-based communication management information to the user's mobile terminal. 3. The method of claim 2,
Wherein the BIM-based communication management server includes at least one of message partner information, BIM camera information, a text message, and a sketch image. 3. The BIM-based communication management server according to claim 2,
When a push notification setting is included in the communication message transmitted from the mobile terminal of the first user, a push message transmission for transmitting a push notification message according to the message counterpart information included in the communication message transmitted from the mobile terminal of the first user Wherein the BIM-based communication management server further comprises a BIM-based communication management server. Storing BIM information and BIM change history information including at least one of three-dimensional shape information, attribute information, and file link information in a memory unit;
Generating a first communication message including at least one of a message counterpart information, a BIM camera information, a text message, and a sketch image according to a communication message generation command received from a first user through an interface;
Transmitting the generated first communication message to a BIM-based communication management server or a mobile terminal of a second user according to a communication message transmission command received from the first user through the interface unit;
Receiving a second communication message from the BIM-based communication management server or a mobile terminal of a third user; And
And displaying the BIM information stored in the memory unit on the display unit according to at least one of the BIM camera information, the text message, and the sketch image included in the second communication message. Way. 6. The method of claim 5, wherein the BIM-
Determining whether the BIM information needs to be updated from the BIM change history information through communication with the BIM-based communication management server; And
The method comprising the steps of: receiving BIM information stored in the BIM-based communication management server according to whether the BIM information is updated, and storing the received BIM information in the memory unit. 7. The method of claim 6, wherein receiving the BIM information stored in the BIM-based communication management server according to whether the BIM information is updated is stored in the memory unit,
The BIM-based communication management server compares BIM change history information of the management server received from the BIM-based communication management server with BIM change history information stored in the memory unit, and if not, receives and stores BIM information stored in the BIM- The BIM-based communication management server transmits BIM change history information stored in the memory unit to the BIM-based communication management server, and receives and stores BIM information stored in the BIM-based communication management server according to the BIM change history information comparison result received from the BIM- Wherein the BIM-based communication method in the mobile terminal comprises: The method as claimed in claim 5, wherein the step of displaying the BIM information stored in the memory unit on the display unit comprises:
Displaying the BIM information stored in the memory unit on a three-dimensional screen on the display unit using the BIM camera information included in the second communication message according to the selection of the first user, And displaying the sketch image on a two-dimensional screen on the display unit. A computer-readable recording medium on which a program for performing a BIM-based communication method in the mobile terminal according to any one of claims 5 to 8 is recorded.

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