Method and system for quickly creating ship longitudinal molded line based on engineering drawing

Abstract

The invention provides a method and a system for quickly creating a ship longitudinal molded line based on an engineering drawing. The method comprises the following steps: preprocessing a longitudinal bone molded line two-dimensional engineering drawing: deleting predefined drawing information, and adjusting a global coordinate system of the two-dimensional engineering drawing to be consistent with a coordinate system in three-dimensional modeling software; the preprocessed two-dimensional engineering drawing is imported into three-dimensional modeling software, a two-dimensional longitudinal theoretical line is obtained through feature line extraction, then the two-dimensional longitudinal theoretical line is projected in the ship length direction of the overall outer plate profile, and three-dimensional longitudinal profiles are generated in batches; and on the basis of the three-dimensional longitudinal bone molded lines, the outer plate longitudinal bone reinforcing ribs are created in batches, the hull structure outer plate is selected as an attachment condition, and rapid creation of the outer plate longitudinal bone reinforcing ribs is achieved. According to the scheme provided by the invention, the information of the two-dimensional design drawing can be accurately and effectively transmitted to the three-dimensional model, the three-dimensional design development efficiency and quality of the ship are improved, and the ship design period is shortened.

Description

Technical Field

[0001] The invention belongs to the technical field of ship overall and structural design, and in particular relates to a method and system for quickly creating ship longitudinal profiles based on engineering drawings. Background Art

[0002] The ship's outer plate longitudinal ribs are an important part of the outer plate skeleton. There are many of them and they are widely distributed. When using general 3D design software to create the ship's outer plate longitudinal line, the coordinates in the 2D line drawing are usually measured first. However, for drawing, there will be up to thousands of 3D value points that need to be measured, which is not only cumbersome, time-consuming, and inefficient, but also the measurement accuracy is prone to dimensional deviations, and a lot of time is needed for verification and smoothing in the later stage.

[0003] Therefore, how to provide a method and system for quickly creating ship longitudinal profiles based on engineering drawings has become a technical problem that urgently needs to be solved in this field. Summary of the invention

[0004] The object of the present invention is to provide a method and system for quickly creating ship longitudinal lines based on engineering drawings.

[0005] According to a first aspect of the present invention, there is provided a method for quickly creating ship longitudinal lines based on engineering drawings, comprising:

[0006] Step S1, preprocessing the longitudinal bone profile two-dimensional engineering drawing: deleting predefined drawing information, and adjusting the global coordinate system of the two-dimensional engineering drawing to be consistent with the coordinate system in the three-dimensional modeling software;

[0007] Step S2, importing the pre-processed two-dimensional engineering drawing into the three-dimensional modeling software, extracting the characteristic lines to obtain the two-dimensional longitudinal bone theoretical lines, and then projecting the two-dimensional longitudinal bone theoretical lines along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal bone profile lines;

[0008] Step S3, based on the three-dimensional longitudinal bone lines, outer plate longitudinal bone stiffeners are created in batches, and the outer plate of the hull structure is selected as the attachment condition to realize the rapid creation of outer plate longitudinal bone stiffeners.

[0009] According to the method of the first aspect of the present invention, in the step S1, the predefined drawing information includes: longitudinal bone line numbers and rib position interval values, dimensioning information, repeated lines and discontinuous lines.

[0010] According to the method of the first aspect of the present invention, in step S2, projecting the two-dimensional longitudinal theoretical lines along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal profile lines includes:

[0011] In 3DE, through the projection command, in the pop-up dialog box Projection Definition, select Along a direction for Projection type, select the two-dimensional longitudinal bone theoretical line for the projection object, select the overall outer plate surface of the ship for the projection attachment surface Support, and select along the X-axis in the direction of the ship's length for Direction to batch generate three-dimensional longitudinal bone lines.

[0012] According to the method of the first aspect of the present invention, in the step S3, the batch creation of outer plate longitudinal stiffeners based on the three-dimensional longitudinal bone lines, the selection of the outer plate of the hull structure as the attachment condition, and the rapid creation of the outer plate longitudinal stiffeners include:

[0013] Create the outer plate longitudinal stiffeners of the hull according to the three-dimensional longitudinal lines. Under the StructureFunc.Design design module, click Stiffener in the Function command bar to model the outer plate longitudinal stiffeners. Select the SS_SideShellStiffener type in the engineering dictionary, select the outer plate structure in Plate in the geometric reference, batch select the longitudinal lines in the Support column, and define the material properties, profile standards and cross-sectional size of the longitudinal stiffeners to achieve rapid creation of the outer plate longitudinal stiffeners.

[0014] The second aspect of the present invention discloses a system for quickly creating ship longitudinal lines based on engineering drawings; the system comprises:

[0015] The first processing module is configured to pre-process the longitudinal bone profile two-dimensional engineering drawing: delete the predefined drawing information, and adjust the global coordinate system of the two-dimensional engineering drawing to be consistent with the coordinate system in the three-dimensional modeling software;

[0016] The second processing module is configured to import the pre-processed two-dimensional engineering drawing into the three-dimensional modeling software, obtain the two-dimensional longitudinal bone theoretical line by extracting the characteristic line, and then project the two-dimensional longitudinal bone theoretical line along the length direction of the overall outer plate profile to batch generate the three-dimensional longitudinal bone profile line;

[0017] The third processing module is configured to batch create outer plate longitudinal bone stiffeners based on the three-dimensional longitudinal bone lines, select the outer plate of the hull structure as the attachment condition, and realize the rapid creation of outer plate longitudinal bone stiffeners.

[0018] According to the system of the second aspect of the present invention, the first processing module is specifically configured such that the predefined drawing information includes: longitudinal bone line numbers and rib position interval values, dimensioning information, repeated lines and discontinuous lines.

[0019] According to the system of the second aspect of the present invention, the second processing module is specifically configured to project the two-dimensional longitudinal bone theoretical line along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal bone profile lines, including:

[0020] In 3DE, through the projection command, in the pop-up dialog box Projection Definition, select Along a direction for Projection type, select the two-dimensional longitudinal bone theoretical line for the projection object, select the overall outer plate surface of the ship for the projection attachment surface Support, and select along the X-axis in the direction of the ship's length for Direction to batch generate three-dimensional longitudinal bone lines.

[0021] According to the system of the second aspect of the present invention, the third processing module is specifically configured to batch create outer plate longitudinal stiffeners based on the three-dimensional longitudinal bone lines, select the outer plate of the hull structure as the attachment condition, and realize the rapid creation of outer plate longitudinal stiffeners, including:

[0022] Create the outer plate longitudinal stiffeners of the hull according to the three-dimensional longitudinal lines. Under the StructureFunc.Design design module, click Stiffener in the Function command bar to model the outer plate longitudinal stiffeners. Select the SS_SideShellStiffener type in the engineering dictionary, select the outer plate structure in Plate in the geometric reference, batch select the longitudinal lines in the Support column, and define the material properties, profile standards and cross-sectional size of the longitudinal stiffeners to achieve rapid creation of the outer plate longitudinal stiffeners.

[0023] The third aspect of the present invention discloses an electronic device, which includes a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, the steps of any one of the methods for quickly creating ship longitudinal lines based on engineering drawings in the first aspect of the present disclosure are implemented.

[0024] The fourth aspect of the present invention discloses a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of any one of the methods for quickly creating ship longitudinal lines based on engineering drawings in the first aspect of the present disclosure.

[0025] The beneficial effects brought by the present invention are as follows:

[0026] It can be seen from the above scheme that the embodiment of the present invention provides a method and system for quickly creating ship longitudinal skeleton lines based on engineering drawings, which has the following beneficial effects: realizing the accurate and effective transfer of information from two-dimensional design drawings to three-dimensional models, improving the efficiency and quality of three-dimensional design and development of ships, and shortening the ship design cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A flowchart of a method for quickly creating ship longitudinal lines based on engineering drawings provided according to an embodiment;

[0028] Figure 2 A two-dimensional engineering drawing of a longitudinal bone profile before processing provided in an embodiment;

[0029] Figure 3 A two-dimensional engineering drawing of a longitudinal bone profile after processing according to an embodiment;

[0030] Figure 4 A schematic diagram of a two-dimensional longitudinal bone theoretical line provided according to an embodiment;

[0031] Figure 5 A schematic diagram of a three-dimensional longitudinal bone profile provided according to an embodiment;

[0032] Figure 6 A schematic diagram of a three-dimensional longitudinal reinforcement rib provided according to an embodiment;

[0033] Figure 7 A structural diagram of a system for quickly creating longitudinal lines of a ship based on an engineering drawing according to an embodiment of the present invention;

[0034] Figure 8 The figure is a structural diagram of an electronic device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Embodiment 1:

[0037] According to a first aspect of the present invention, the present invention discloses a method for quickly creating ship longitudinal lines based on engineering drawings. Figure 1 FIG. 1 is a flow chart of a method for quickly creating ship longitudinal lines based on engineering drawings according to an embodiment of the present invention. Figure 1 As shown, the method includes:

[0038] Step S1, preprocessing the longitudinal bone profile two-dimensional engineering drawing: deleting predefined drawing information, and adjusting the global coordinate system of the two-dimensional engineering drawing to be consistent with the coordinate system in the three-dimensional modeling software;

[0039] Step S2, importing the pre-processed two-dimensional engineering drawing into the three-dimensional modeling software, extracting the characteristic lines to obtain the two-dimensional longitudinal bone theoretical lines, and then projecting the two-dimensional longitudinal bone theoretical lines along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal bone profile lines;

[0040] Step S3, based on the three-dimensional longitudinal bone lines, outer plate longitudinal bone stiffeners are created in batches, and the outer plate of the hull structure is selected as the attachment condition to realize the rapid creation of outer plate longitudinal bone stiffeners.

[0041] In step S1, the longitudinal bone profile two-dimensional engineering drawing is preprocessed by deleting predefined drawing information and adjusting the global coordinate system of the two-dimensional engineering drawing to be consistent with the coordinate system in the three-dimensional modeling software. Figure 2 This is the two-dimensional engineering drawing of the longitudinal bone profile before processing. Figure 3 This is the two-dimensional engineering drawing of the processed longitudinal bone profile.

[0042] In some embodiments, in step S1, the predefined drawing information includes: longitudinal bone line numbers and rib position interval values, dimensioning information, repeated lines and discontinuous lines.

[0043] In step S2, the preprocessed two-dimensional engineering drawing is imported into the three-dimensional modeling software, and the two-dimensional longitudinal bone theoretical line is obtained by extracting the characteristic line, and then the two-dimensional longitudinal bone theoretical line is projected along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal bone profile lines.

[0044] In some embodiments, in step S2, projecting the two-dimensional longitudinal theoretical lines along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal profile lines includes:

[0045] In 3DE (3D Experience, Dassault Systemes), through the projection command, in the pop-up dialog box ProjectionDefinition, select Along a direction for Projection type, select the two-dimensional longitudinal bone theoretical line for projection object, select the overall outer plate surface of the ship for projection attachment surface Support, and select along the X-axis in the length direction of the ship for Direction to batch generate three-dimensional longitudinal bone lines, such as Figure 5 shown.

[0046] Specifically, the pre-processed two-dimensional engineering drawing is imported into the three-dimensional modeling software, and the two-dimensional longitudinal bone theoretical lines are obtained by extracting the feature lines, including:

[0047] Create a geometry set in 3DE, create a new sketch, copy the processed longitudinal bone line 2D engineering drawing to the sketch, extract the lines in the sketch through features, and output them into 2D longitudinal bone theoretical lines, such as Figure 4 shown.

[0048] In step S3, outer plate longitudinal stiffeners are created in batches based on the three-dimensional longitudinal profiles, and the outer plate of the hull structure is selected as the attachment condition to achieve rapid creation of outer plate longitudinal stiffeners.

[0049] In some embodiments, in the step S3, the batch creation of outer plate longitudinal stiffeners based on the three-dimensional longitudinal profile, selecting the outer plate of the hull structure as the attachment condition, and realizing the rapid creation of outer plate longitudinal stiffeners includes:

[0050] Create the outer plate longitudinal stiffeners of the hull according to the three-dimensional longitudinal lines. In the StructureFunc.Design design module, click Stiffener in the Function command bar to model the outer plate longitudinal stiffeners. Select the SS_SideShellStiffener type in the engineering dictionary, select the outer plate structure in Plate in the geometry reference, select the longitudinal lines in batches in the Support column, and define the material properties, profile standards and cross-sectional sizes of the longitudinal stiffeners to achieve rapid creation of the outer plate longitudinal stiffeners. Figure 6 shown.

[0051] In summary, the solution proposed in the present invention can realize batch generation of longitudinal bone lines in three dimensions by extracting the longitudinal bone line information of the two-dimensional engineering drawing, avoiding operational errors caused by manually measuring the coordinate value data of the two-dimensional engineering drawing, and improving the design accuracy; it can realize batch creation of longitudinal bone reinforcement ribs of ship outer plate, greatly reducing the number of manual repeated operations and shortening the design cycle; the information of the design drawing is effectively transmitted to the three-dimensional model, realizing data synchronization and model linkage.

[0052] Embodiment 2:

[0053] The invention discloses a system for quickly creating ship longitudinal lines based on engineering drawings. Figure 7 FIG. 1 is a structural diagram of a system for quickly creating longitudinal lines of a ship based on an engineering drawing according to an embodiment of the present invention; Figure 7 As shown, the system 100 includes:

[0054] The first processing module 101 is configured to pre-process the longitudinal bone profile two-dimensional engineering drawing: delete the predefined drawing information, and adjust the global coordinate system of the two-dimensional engineering drawing to be consistent with the coordinate system in the three-dimensional modeling software;

[0055] The second processing module 102 is configured to import the pre-processed two-dimensional engineering drawing into the three-dimensional modeling software, obtain the two-dimensional longitudinal bone theoretical line by extracting the characteristic line, and then project the two-dimensional longitudinal bone theoretical line along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal bone profile lines;

[0056] The third processing module 103 is configured to batch create outer plate longitudinal stiffeners based on the three-dimensional longitudinal bone lines, select the outer plate of the hull structure as the attachment condition, and realize the rapid creation of outer plate longitudinal stiffeners.

[0057] According to the system of the second aspect of the present invention, the first processing module 101 is specifically configured such that the predefined drawing information includes: longitudinal bone line numbers and rib position interval values, dimensioning information, repeated lines and discontinuous lines.

[0058] According to the system of the second aspect of the present invention, the second processing module 102 is specifically configured to project the two-dimensional longitudinal bone theoretical line along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal bone profile lines, including:

[0059] In 3DE, through the projection command, in the pop-up dialog box Projection Definition, select Along a direction for Projection type, select the two-dimensional longitudinal bone theoretical line for projection object, select the overall outer plate surface of the ship for projection attachment surface Support, and select along the X-axis in the direction of the ship's length to batch generate three-dimensional longitudinal bone lines, such as Figure 5 shown.

[0060] Specifically, the pre-processed two-dimensional engineering drawing is imported into the three-dimensional modeling software, and the two-dimensional longitudinal bone theoretical lines are obtained by extracting the feature lines, including:

[0061] Create a geometry set in 3DE, create a new sketch, copy the processed longitudinal bone line 2D engineering drawing to the sketch, extract the lines in the sketch through features, and output them into 2D longitudinal bone theoretical lines, such as Figure 4 shown.

[0062] According to the system of the second aspect of the present invention, the third processing module 103 is specifically configured to batch create outer plate longitudinal bone stiffeners based on the three-dimensional longitudinal bone lines, select the outer plate of the hull structure as the attachment condition, and realize the rapid creation of outer plate longitudinal bone stiffeners, including:

[0063] Create the outer plate longitudinal stiffeners of the hull according to the three-dimensional longitudinal lines. In the StructureFunc.Design design module, click Stiffener in the Function command bar to model the outer plate longitudinal stiffeners. Select the SS_SideShellStiffener type in the engineering dictionary, select the outer plate structure in Plate in the geometric reference, select the longitudinal lines in batches in the Support column, and define the material properties, profile standards and cross-sectional sizes of the longitudinal stiffeners to achieve rapid creation of the outer plate longitudinal stiffeners, such as Figure 6 shown.

[0064] Embodiment 3:

[0065] The present application discloses an electronic device, which includes a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, the steps of any one of the methods for quickly creating ship longitudinal lines based on engineering drawings in the first embodiment of the present invention are implemented.

[0066] Figure 8 is a structural diagram of an electronic device according to an embodiment of the present invention, such as Figure 8 As shown, the electronic device includes a processor, a memory, a communication interface, a display screen and an input device connected via a system bus. Among them, the processor of the electronic device is used to provide computing and control capabilities. The memory of the electronic device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The communication interface of the electronic device is used to communicate with an external terminal in a wired or wireless manner, and the wireless manner can be achieved through WIFI, an operator network, near field communication (NFC) or other technologies. The display screen of the electronic device can be a liquid crystal display screen or an electronic ink display screen, and the input device of the electronic device can be a touch layer covered on the display screen, or a button, a trackball or a touch pad set on the housing of the electronic device, or an external keyboard, touch pad or mouse, etc.

[0067] Those skilled in the art will understand that Figure 8 The structure shown in the figure is only a structural diagram of the part related to the technical solution of the present disclosure, and does not constitute a limitation on the electronic device to which the technical solution of the present application is applied. The specific electronic device may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0068] Embodiment 4:

[0069] The present invention discloses a computer-readable storage medium. The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of any one of the methods for quickly creating ship longitudinal lines based on engineering drawings in Embodiment 1 of the present invention are implemented.

[0070] Please note that the technical features of the above embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification. The above embodiments only express several implementation methods of the present application, and their descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, without departing from the concept of the present application, several variations and improvements can be made, which all belong to the scope of protection of the present application. Therefore, the scope of protection of the patent in this application shall be based on the attached claims.

[0071] The embodiments of the subject matter and functional operations described in this specification may be implemented in the following: digital electronic circuits, tangibly embodied computer software or firmware, computer hardware including the structures disclosed in this specification and their structural equivalents, or a combination of one or more of them. The embodiments of the subject matter described in this specification may be implemented as one or more computer programs, i.e., one or more modules in computer program instructions encoded on a tangible non-transitory program carrier to be executed by a data processing device or to control the operation of the data processing device. Alternatively or additionally, the program instructions may be encoded on an artificially generated propagation signal, such as a machine-generated electrical, optical or electromagnetic signal, which is generated to encode information and transmit it to a suitable receiver device for execution by a data processing device. The computer storage medium may be a machine-readable storage device, a machine-readable storage substrate, a random or serial access memory device, or a combination of one or more of them.

[0072] The processes and logic flows described in this specification can be performed by one or more programmable computers executing one or more computer programs to perform corresponding functions by operating on input data and generating output. The processes and logic flows can also be performed by special purpose logic circuits, such as FPGAs (field programmable gate arrays) or ASICs (application-specific integrated circuits), and the apparatus can also be implemented as special purpose logic circuits.

[0073] Computers suitable for executing computer programs include, for example, general and / or special microprocessors, or any other type of central processing unit. Typically, the central processing unit will receive instructions and data from a read-only memory and / or a random access memory. The basic components of a computer include a central processing unit for implementing or executing instructions and one or more memory devices for storing instructions and data. Typically, the computer will also include one or more large-capacity storage devices for storing data, such as magnetic disks, magneto-optical disks, or optical disks, or the computer will be operably coupled to this large-capacity storage device to receive data from it or to transmit data to it, or both. However, the computer does not necessarily have such a device. In addition, the computer can be embedded in another device, such as a mobile phone, a personal digital assistant (PDA), a mobile audio or video player, a game console, a global positioning system (GPS) receiver, or a portable storage device such as a universal serial bus (USB) flash drive, to name a few.

[0074] Computer readable media suitable for storing computer program instructions and data include all forms of non-volatile memory, media and memory devices, including, for example, semiconductor memory devices (e.g., EPROM, EEPROM and flash memory devices), magnetic disks (e.g., internal hard disks or removable disks), magneto-optical disks, and CD ROM and DVD-ROM disks. The processor and memory may be supplemented by, or incorporated in, special purpose logic circuitry.

[0075] Although this specification includes many specific implementation details, these should not be interpreted as limiting the scope of any invention or the scope of protection claimed, but are mainly used to describe the features of the specific embodiments of specific inventions. Certain features described in multiple embodiments in this specification may also be implemented in combination in a single embodiment. On the other hand, the various features described in a single embodiment may also be implemented separately in multiple embodiments or in any suitable sub-combination. In addition, although features may work in certain combinations as described above and even initially claim protection, one or more features from the claimed combination may be removed from the combination in some cases, and the claimed combination may point to a sub-combination or a variation of a sub-combination.

[0076] Similarly, although operations are depicted in a particular order in the accompanying drawings, this should not be understood as requiring that these operations be performed in the particular order shown or performed sequentially, or requiring that all illustrated operations be performed to achieve the desired results. In some cases, multitasking and parallel processing may be advantageous. In addition, the separation of various system modules and components in the above-described embodiments should not be understood as requiring such separation in all embodiments, and it should be understood that the described program components and systems can generally be integrated together in a single software product, or packaged into multiple software products.

[0077] Thus, specific embodiments of the subject matter have been described. Other embodiments are within the scope of the appended claims. In some cases, the actions recited in the claims can be performed in a different order and still achieve the desired results. In addition, the processes depicted in the drawings do not necessarily require the particular order or sequential order shown to achieve the desired results. In some implementations, multitasking and parallel processing may be advantageous.

[0078] The above are preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A method for quickly creating ship longitudinal lines based on engineering drawings, characterized in that: include: Step S1, preprocessing the longitudinal bone profile two-dimensional engineering drawing: deleting predefined drawing information, and adjusting the global coordinate system of the two-dimensional engineering drawing to be consistent with the coordinate system in the three-dimensional modeling software; Step S2, importing the pre-processed two-dimensional engineering drawing into the three-dimensional modeling software, extracting the characteristic lines to obtain the two-dimensional longitudinal bone theoretical lines, and then projecting the two-dimensional longitudinal bone theoretical lines along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal bone profile lines; Step S3, based on the three-dimensional longitudinal bone lines, outer plate longitudinal bone stiffeners are created in batches, and the outer plate of the hull structure is selected as the attachment condition to realize the rapid creation of outer plate longitudinal bone stiffeners.

2. The method for quickly creating ship longitudinal lines based on engineering drawings according to claim 1 is characterized in that: In the step S1, the predefined drawing information includes: longitudinal bone line numbers and rib position interval values, dimensioning information, repeated lines and discontinuous lines.

3. The method for quickly creating ship longitudinal lines based on engineering drawings according to claim 1 is characterized in that: In the step S2, the projecting of the two-dimensional longitudinal bone theoretical lines along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal bone profile lines includes: In 3DE, through the projection command, in the pop-up dialog box Projection Definition, select Along a direction for Projection type, select the two-dimensional longitudinal bone theoretical line for the projection object, select the overall outer plate surface of the ship for the projection attachment surface Support, and select the X-axis along the length of the ship as Direction to batch generate three-dimensional longitudinal bone lines.

4. The method for quickly creating ship longitudinal lines based on engineering drawings according to claim 3 is characterized in that: In the step S3, the batch creation of outer plate longitudinal stiffeners based on the three-dimensional longitudinal bone lines, selecting the outer plate of the hull structure as the attachment condition, and realizing the rapid creation of outer plate longitudinal stiffeners includes: Create the outer plate longitudinal stiffeners of the hull according to the three-dimensional longitudinal lines. In the Structure Func.Design design module, click Stiffener in the Function command bar to model the outer plate longitudinal stiffeners. Select the SS_SideShellStiffener type in the engineering dictionary, select the outer plate structure in Plate in the geometric reference, batch select the longitudinal lines in the Support column, and define the material properties, profile standards and cross-sectional size of the longitudinal stiffeners to achieve rapid creation of the outer plate longitudinal stiffeners.

5. A system for quickly creating ship longitudinal lines based on engineering drawings, characterized in that: The system comprises: The first processing module is configured to pre-process the longitudinal bone profile two-dimensional engineering drawing: delete the predefined drawing information, and adjust the global coordinate system of the two-dimensional engineering drawing to be consistent with the coordinate system in the three-dimensional modeling software; The second processing module is configured to import the pre-processed two-dimensional engineering drawing into the three-dimensional modeling software, obtain the two-dimensional longitudinal bone theoretical line by extracting the characteristic line, and then project the two-dimensional longitudinal bone theoretical line along the length direction of the overall outer plate profile to batch generate the three-dimensional longitudinal bone profile line; The third processing module is configured to batch create outer plate longitudinal bone stiffeners based on the three-dimensional longitudinal bone lines, select the outer plate of the hull structure as the attachment condition, and realize the rapid creation of outer plate longitudinal bone stiffeners.

6. The system for quickly creating ship longitudinal lines based on engineering drawings according to claim 5 is characterized in that: The first processing module is specifically configured such that the predefined drawing information includes: longitudinal bone line numbers and rib position interval values, dimensioning information, repeated lines and discontinuous lines.

7. The system for quickly creating ship longitudinal lines based on engineering drawings according to claim 5 is characterized in that: The second processing module is specifically configured to project the two-dimensional longitudinal bone theoretical line along the length direction of the overall outer plate profile to batch generate three-dimensional longitudinal bone profile lines, including: In 3DE, through the projection command, in the pop-up dialog box Projection Definition, select Along a direction for Projection type, select the two-dimensional longitudinal bone theoretical line for the projection object, select the overall outer plate surface of the ship for the projection attachment surface Support, and select the X-axis along the length of the ship as Direction to batch generate three-dimensional longitudinal bone lines.

8. The system for quickly creating ship longitudinal lines based on engineering drawings according to claim 7 is characterized in that: The third processing module is specifically configured to batch create outer plate longitudinal stiffeners based on the three-dimensional longitudinal bone lines, select the outer plate of the hull structure as the attachment condition, and realize the rapid creation of outer plate longitudinal stiffeners, including: Create the outer plate longitudinal stiffeners of the hull according to the three-dimensional longitudinal lines. In the Structure Func.Design design module, click Stiffener in the Function command bar to model the outer plate longitudinal stiffeners. Select the SS_SideShellStiffener type in the engineering dictionary, select the outer plate structure in Plate in the geometric reference, batch select the longitudinal lines in the Support column, and define the material properties, profile standards and cross-sectional size of the longitudinal stiffeners to achieve rapid creation of the outer plate longitudinal stiffeners.

9. An electronic device, characterized in that: The electronic device includes a memory and a processor, the memory stores a computer program, and when the processor executes the computer program, the steps in the method for quickly creating ship longitudinal skeleton lines based on engineering drawings described in any one of claims 1 to 4 are implemented.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps in the method for quickly creating longitudinal lines of a ship based on an engineering drawing according to any one of claims 1 to 4 are implemented.

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