CN111488648B - Automatic drawing method, system, equipment and storage medium for ship structure diagram - Google Patents

Automatic drawing method, system, equipment and storage medium for ship structure diagram Download PDF

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Publication number
CN111488648B
CN111488648B CN202010173847.5A CN202010173847A CN111488648B CN 111488648 B CN111488648 B CN 111488648B CN 202010173847 A CN202010173847 A CN 202010173847A CN 111488648 B CN111488648 B CN 111488648B
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hole
section
ship structure
target
structure diagram
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CN111488648A (en
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陈茂勇
华佳
靳盼盼
张玉莹
蒋伟
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Shanghai Waigaoqiao Shipbuilding Co Ltd
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Shanghai Waigaoqiao Shipbuilding Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • G06F30/15Vehicle, aircraft or watercraft design
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation

Abstract

The invention discloses an automatic drawing method, system, equipment and storage medium of a ship structure diagram, wherein the automatic drawing method comprises the following steps: identifying a ship structure diagram to be drawn, and obtaining at least one target section bar section included in the ship structure diagram; presetting a through hole type corresponding to the profile type of the section of the target profile; and automatically drawing a through hole corresponding to the corresponding through hole type on the section of the target profile. According to the invention, through automatic identification of the section of the ship structure diagram to be drawn, automatic drawing of the through holes is realized according to the corresponding relation between the set section type and the through hole type. The invention is not limited by artificial factors, the size of the through hole and the like, and has simple drawing process, wide application range, high efficiency and high degree of automation.

Description

Automatic drawing method, system, equipment and storage medium for ship structure diagram
Technical Field
The invention belongs to the field of hull drawing design, and particularly relates to an automatic drawing method, system, equipment and storage medium for a ship structure diagram.
Background
The hull is assembled by a large number of criss-cross grillages and secondary structures, and the grillages are formed by plates and stiffening members, referring to fig. 1, when the a-grillages are assembled with the B-grillages, the profile of the a-grillages must be kept continuous for reasons of structural continuity, etc., so that corresponding cuts are made on the B-grillages for the profile of the a-grillages to pass through, these cuts being called through holes C, on the other hand, for reasons of strength or tightness, it may be necessary to provide sealing plates at the through holes, which are called complementary plates D.
In the prior art, the drawing methods of the through holes and the complementary plates mainly comprise the following three methods:
1) Drawing by a basic geometric drawing function. Based on basic geometric elements such as straight lines, circular arcs and the like, the drawing of the target graph is gradually completed by means of offset, rotation or trimming and the like and additional auxiliary lines and the like according to the geometric relationship among the graphs. The most basic graph drawing method is complex and tedious in process and low in efficiency.
2) By way of inserting tiles. On the basis of the method, the common through holes and the patch are combined into blocks, and the blocks are directly inserted under the condition that the conditions are met so as to complete drawing of the target graph. This approach can simplify the drawing process to some extent, but the tiles are only suitable for drawing through-holes and patches of a partially specified size.
3) And on the basis of the existing graph, the drawing of the target graph is completed through copying and pasting. The limitation of this method is that only through holes and complementary plates of the same size and angle can be drawn, and the method cannot be applied to the case that the plate frame boundary is curved.
In addition, after the drawing of the target graph is completed, the graph elements of the colors, the linewidths and the line widths of the graph are manually set, so that the graph can be standardized further, and the automation degree is low.
Disclosure of Invention
The invention aims to overcome the defects of complex and complicated drawing of a through hole and a patch, narrow application range, low efficiency and low degree of automation in the prior art, and provides an automatic drawing method, system, equipment and storage medium of a ship structure diagram.
The invention solves the technical problems by the following technical scheme:
an automatic drawing method of a ship structure diagram, the automatic drawing method comprising:
identifying a ship structure diagram to be drawn, and obtaining at least one target section bar section included in the ship structure diagram;
presetting a through hole type corresponding to the profile type of the section of the target profile;
and automatically drawing a through hole corresponding to the corresponding through hole type on the section of the target section.
Preferably, after the step of automatically drawing the through hole corresponding to the corresponding through hole type on the section of the profile, the automatic drawing method further includes:
presetting a patch type corresponding to any through hole type;
identifying the ship structure diagram to obtain at least one target through hole corresponding to the type of any through hole contained in the ship structure diagram;
and automatically drawing the patch corresponding to the corresponding patch type on the target through hole.
Preferably, before the step of identifying the ship structure diagram to be drawn and obtaining at least one section included in the ship structure diagram, the automatic drawing method further includes:
establishing a graphic feature library, wherein the graphic feature library stores graphic features of a plurality of section bar sections and graphic features of a plurality of through holes;
the step of identifying the ship structure diagram to be drawn and obtaining at least one target section bar section included in the ship structure diagram specifically comprises the following steps:
matching the ship structure diagram with the graphic features of the section to obtain the section of the at least one target section;
the step of identifying the ship structure diagram to obtain at least one target through hole corresponding to the type of any through hole included in the ship structure diagram specifically includes:
and matching the ship structure diagram with the graphic features of the through holes to obtain the target through holes.
Preferably, the graphic feature library further stores graphic features of a plurality of patches;
before the step of automatically drawing the through holes corresponding to the corresponding through hole types on the target section, the automatic drawing method further comprises:
establishing a first topological relation between the section of the section and the through hole and a second topological relation between the through hole and the patch on the basis of the graphic feature library, wherein the first topological relation is used for representing the geometric relation between the graph of the section and the graph of the through hole, and the second topological relation is used for representing the geometric relation between the graph of the through hole and the graph of the patch;
the step of automatically drawing the through holes corresponding to the corresponding through hole types on the section of the target section specifically comprises the following steps:
acquiring position data of the target section bar section, and automatically drawing the corresponding through hole according to the position data of the target section bar section and the first topological relation;
the step of automatically drawing the patch corresponding to the corresponding patch type on the target through hole specifically includes:
and acquiring the position data of the target through hole, and automatically drawing the corresponding patch according to the position data of the target through hole and the second topological relation.
Preferably, the graphic feature includes at least one of a layer, a color, a line shape, a number of curve vertices, a mutual position of curve vertices, a graphic size limit, and whether the graphic includes an arc.
An automatic drawing system of a ship structure diagram comprises an identification module, a first preset module and a through hole drawing module;
the identification module is used for identifying a ship structure diagram to be drawn and obtaining at least one target section bar section included in the ship structure diagram;
the first preset module is used for presetting a through hole type corresponding to the profile type of the section of the target profile;
the through hole drawing module is used for automatically drawing through holes corresponding to the corresponding through hole types on the section of the target section.
Preferably, the automatic drawing system further comprises a second preset module and a patch drawing module;
the second preset module is used for presetting a patch type corresponding to any through hole type;
the identification module is further used for identifying the ship structure diagram to obtain at least one target through hole which is contained in the ship structure diagram and corresponds to the type of any through hole;
the patch drawing module is also used for automatically drawing patches corresponding to the corresponding patch types on the target through holes.
Preferably, the automatic drawing system further comprises a feature library building module;
the feature library establishing module is used for establishing a graphic feature library, and the graphic feature library stores graphic features of a plurality of section bar sections and graphic features of a plurality of through holes;
the identification module is used for matching the ship structure diagram with the graphic features of the section to obtain the at least one target section of the section;
the identification module is also used for matching the ship structure diagram with the graphic features of the through holes to obtain the target through holes.
Preferably, the graphic feature library further stores graphic features of a plurality of patches, and the automatic drawing system further comprises a topological relation establishment module;
the topological relation establishing module is used for establishing a first topological relation between the section of the section and the through hole and a second topological relation between the through hole and the patch based on the graphic feature library, wherein the first topological relation is used for representing the geometric relation between the graph of the section and the graph of the through hole, and the second topological relation is used for representing the geometric relation between the graph of the through hole and the graph of the patch;
the through hole drawing module is used for acquiring the position data of the section of the target section and automatically drawing the corresponding through hole according to the position data of the section of the target section and the first topological relation;
the patch drawing module is used for acquiring the position data of the target through hole and automatically drawing the corresponding patch according to the position data of the target through hole and the second topological relation.
An electronic device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, the processor implementing the above-described method of automatically drawing a marine structure diagram when executing the computer program.
A computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the automatic drawing method of a ship structure diagram described above.
The invention has the positive progress effects that: according to the invention, through automatic identification of the section of the ship structure diagram to be drawn, automatic drawing of the through holes is realized according to the corresponding relation between the set section type and the through hole type. The invention is not limited by artificial factors, the size of the through hole and the like, and has simple drawing process, wide application range, high efficiency and high degree of automation.
Drawings
Fig. 1 is a schematic view of a part of a hull according to the background of the invention.
Fig. 2 is a flowchart of an automatic drawing method of a ship structure diagram of embodiment 1 of the present invention.
Fig. 3 is a flowchart of an automatic drawing method of a ship structure diagram of embodiment 2 of the present invention.
Fig. 4 is a flowchart of an automatic drawing method of a ship structure diagram of embodiment 3 of the present invention.
Fig. 5 is a block diagram of an automatic drawing system of a ship structure diagram of embodiment 4 of the present invention.
Fig. 6 is a block diagram of an automatic drawing system of a ship structure diagram of embodiment 5 of the present invention.
Fig. 7 is a block diagram of an automatic drawing system of a ship structure diagram of embodiment 6 of the present invention.
Fig. 8 is a schematic structural diagram of an electronic device according to embodiment 7 of the present invention.
Detailed Description
The invention is further illustrated by means of the following examples, which are not intended to limit the scope of the invention.
Example 1
An automatic drawing method of a ship structure diagram, as shown in fig. 2, the automatic drawing method comprises:
step 11, identifying a ship structure diagram to be drawn, and obtaining at least one target section bar section included in the ship structure diagram;
step 12, presetting a through hole type corresponding to the profile type of the section of the target profile; the types of the section bars are various, and flat steel, flat bulb steel, angle steel, T-shaped section bars and the like are commonly used.
And 13, automatically drawing a through hole corresponding to the corresponding through hole type on the section of the target section.
Step 14, presetting a patch type corresponding to any through hole type;
step 15, identifying the ship structure diagram to obtain at least one target through hole corresponding to the type of any through hole contained in the ship structure diagram;
and step 16, automatically drawing the patch corresponding to the corresponding patch type on the target through hole.
It should be noted that, since not all penetrating plates need to be drawn with the patch, in actual operation, the type of the replacement hole to be drawn is selected as needed. In addition, in the automatic drawing process, the generated pattern layers, colors, line types, line widths and the like of the through holes and the complementary plates can be subjected to standardized setting, so that the finally drawn pattern meets the design requirements.
In the embodiment, through the automatic identification of the section bar section and the penetrating plate of the ship structure diagram to be drawn, the automatic drawing of the penetrating hole and the complementary plate is realized according to the corresponding relation between the set section bar type and the penetrating hole type and between the penetrating hole type and the complementary plate type, and the drawing process is simple, convenient, wide in application range, high in efficiency and high in automation degree.
Example 2
The automatic drawing method of the ship structure diagram of the present embodiment is a further improvement on the basis of embodiment 1, in which each type of graphic has fixed features, and is clearly distinguishable from other graphics according to these features. The characteristics comprise layers, colors, line types, curve top points, mutual positions of curve top points, graph size limits, whether arcs are included in the graph or not and the like of the graph, and the characteristics are classified, summarized and put in storage according to a certain rule to form a graph characteristic library. As shown in fig. 3, before step 11, the automatic drawing method further includes:
step 10, establishing a graphic feature library; the graphic feature library stores graphic features of a plurality of section bar sections and graphic features of a plurality of through holes;
further, step 11 specifically includes:
step 111, matching the ship structure diagram with the graphic features of the section to obtain the section of the at least one target section;
step 15 specifically includes:
and step 151, matching the ship structure diagram with the graphic features of the through holes to obtain the target through holes.
In the embodiment, the section and the through hole of the section can be automatically identified through the established graphic feature library, so that the ship structure diagram can be automatically drawn.
Example 3
The automatic drawing method of the ship structure diagram of the embodiment is further improved on the basis of embodiment 2, in the two-dimensional CAD software, the graph is composed of a plurality of curves, the curves are composed of a series of ordered vertexes, the points are called characteristic points of the graph, therefore, the geometric relationship among the graphs is actually the topological relationship existing among the characteristic points among the graphs, the topological relationship among the points can be expressed by using a specific mathematical formula, the topological relationship can be established in a programming mode easily, and the geometric relationship among the graphs can be completely described as long as the topological relationship among the characteristic points is found.
The graphic feature library also stores graphic features of a plurality of patch boards; as shown in fig. 4, before step 13, the automatic drawing method further includes:
step 121, establishing a first topological relation between the section of the profile and the through hole and a second topological relation between the through hole and the patch on the basis of the graphic feature library; the first topological relation is used for representing the geometric relation between the graph of the section and the graph of the through hole, and the second topological relation is used for representing the geometric relation between the graph of the through hole and the graph of the patch;
the step 13 specifically comprises the following steps:
step 131, acquiring position data of the target section, and automatically drawing the corresponding through hole according to the position data of the target section and the first topological relation;
step 16 specifically includes:
step 161, acquiring position data of the target through hole, and automatically drawing the corresponding patch according to the position data of the target through hole and the second topological relation.
It should be noted that, the position data of the identified target section is represented by the position of the feature point of the target section, then the position of the feature point of the through hole to be drawn can be obtained according to the geometric relationship in the first topological relationship, and then the feature points of the through hole are orderly connected into a curve, namely, the corresponding through hole is automatically drawn; further, the corresponding patch drawing method is the same as described above.
Example 4
An automatic drawing system of a ship structure diagram is shown in fig. 5, and comprises an identification module 1, a first preset module 2, a penetrating hole drawing module 3, a second preset module 4 and a patch drawing module 5;
the identification module 1 is used for identifying a ship structure diagram to be drawn and obtaining at least one target section bar section included in the ship structure diagram;
the first preset module 2 is used for presetting a through hole type corresponding to the profile type of the section of the target profile; the types of the section bars are various, and flat steel, flat bulb steel, angle steel, T-shaped section bars and the like are commonly used.
The through hole drawing module 3 is used for automatically drawing through holes corresponding to the corresponding through hole types on the section of the target section.
The second preset module 4 is used for presetting a patch type corresponding to any through hole type;
the identification module 1 is further configured to identify the ship structure diagram, and obtain at least one target through hole corresponding to the type of any through hole included in the ship structure diagram;
the patch drawing module 5 is further configured to automatically draw a patch corresponding to the corresponding patch type on the target through hole.
It should be noted that, since not all penetrating plates need to be drawn with the patch, in actual operation, the type of the replacement hole to be drawn is selected as needed. In addition, in the automatic drawing process, the generated pattern layers, colors, line types, line widths and the like of the through holes and the complementary plates can be subjected to standardized setting, so that the finally drawn pattern meets the design requirements.
In the embodiment, through the automatic identification of the section bar section and the penetrating plate of the ship structure diagram to be drawn, the automatic drawing of the penetrating hole and the complementary plate is realized according to the corresponding relation between the set section bar type and the penetrating hole type and between the penetrating hole type and the complementary plate type, and the drawing process is simple, convenient, wide in application range, high in efficiency and high in automation degree.
Example 5
The automatic drawing system of the ship structure diagram of the present embodiment is a further improvement on the basis of embodiment 4, in which each type of graphic has fixed features, and is clearly distinguishable from other graphics according to these features. The characteristics comprise layers, colors, line types, curve top points, mutual positions of curve top points, graph size limits, whether arcs are included in the graph or not and the like of the graph, and the characteristics are classified, summarized and put in storage according to a certain rule to form a graph characteristic library.
As shown in fig. 6, the automatic drawing system further includes a feature library creation module 6;
the feature library establishing module 6 is used for establishing a graphic feature library, and the graphic feature library stores graphic features of a plurality of section bar sections and graphic features of a plurality of through holes;
the identification module 1 is used for matching the ship structure diagram with the graphic features of the section to obtain the at least one target section;
the identification module 1 is further configured to match the ship structure diagram with the graphic features of the through hole, so as to obtain the target through hole.
In the embodiment, the section and the through hole of the section can be automatically identified through the established graphic feature library, so that the ship structure diagram can be automatically drawn.
Example 6
The automatic drawing system of the ship structure diagram of the present embodiment is further improved on the basis of embodiment 5, in the two-dimensional CAD software, the graph is composed of a plurality of curves, and the curves are composed of a series of ordered vertices, which are called feature points of the graph, so that the geometric relationship between the graphs is actually a topological relationship existing between each feature point between the graphs, and the topological relationship between the points can be expressed by using a specific mathematical formula, so that the topological relationship can be easily established by a programming manner, and the geometric relationship between the graphs can be completely described as long as the topological relationship between the feature points is found.
As shown in fig. 7, the graphic feature library further stores graphic features of a plurality of patches, and the automatic drawing system further includes a topological relation establishment module 7;
the topological relation establishing module 7 is used for establishing a first topological relation between the section of the section and the through hole and a second topological relation between the through hole and the patch based on the graphic feature library, wherein the first topological relation is used for representing the geometric relation between the graph of the section and the graph of the through hole, and the second topological relation is used for representing the geometric relation between the graph of the through hole and the graph of the patch;
the through hole drawing module 3 is used for obtaining the position data of the section of the target section and automatically drawing the corresponding through hole according to the position data of the section of the target section and the first topological relation;
the patch drawing module 5 is configured to obtain position data of the target through hole, and automatically draw the corresponding patch according to the position data of the target through hole and the second topological relation.
It should be noted that, the position data of the identified target section is represented by the position of the feature point of the target section, then the position of the feature point of the through hole to be drawn can be obtained according to the geometric relationship in the first topological relationship, and then the feature points of the through hole are orderly connected into a curve, namely, the corresponding through hole is automatically drawn; further, the corresponding patch drawing method is the same as described above.
Example 7
An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the automatic drawing method of a marine structure diagram according to any one of embodiments 1 or 2 when executing the computer program.
Fig. 8 is a schematic structural diagram of an electronic device according to the present embodiment. Fig. 8 illustrates a block diagram of an exemplary electronic device 90 suitable for use in implementing embodiments of the present invention. The electronic device 90 shown in fig. 8 is merely an example, and should not be construed as limiting the functionality and scope of use of embodiments of the present invention.
As shown in fig. 8, the electronic device 90 may be embodied in the form of a general purpose computing device, which may be a server device, for example. Components of the electronic device 90 may include, but are not limited to: at least one processor 91, at least one memory 92, a bus 93 connecting the different system components, including the memory 92 and the processor 91.
The bus 93 includes a data bus, an address bus, and a control bus.
The memory 92 may include volatile memory such as Random Access Memory (RAM) 921 and/or cache memory 922, and may further include Read Only Memory (ROM) 923.
Memory 92 may also include a program tool 925 having a set (at least one) of program modules 924, such program modules 924 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
The processor 91 executes various functional applications and data processing by running a computer program stored in the memory 92.
The electronic device 90 may also communicate with one or more external devices 94 (e.g., keyboard, pointing device, etc.). Such communication may occur through an input/output (I/O) interface 95. Also, the electronic device 90 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN) and/or a public network, such as the Internet, through a network adapter 96. The network adapter 96 communicates with other modules of the electronic device 90 via the bus 93. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 90, including, but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID (disk array) systems, tape drives, data backup storage systems, and the like.
It should be noted that although several units/modules or sub-units/modules of an electronic device are mentioned in the above detailed description, such a division is merely exemplary and not mandatory. Indeed, the features and functionality of two or more units/modules described above may be embodied in one unit/module according to embodiments of the present application. Conversely, the features and functions of one unit/module described above may be further divided into ones that are embodied by a plurality of units/modules.
Example 8
A computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the automatic drawing method of a ship structure diagram according to any one of embodiments 1 or 2.
More specifically, among others, readable storage media may be employed including, but not limited to: portable disk, hard disk, random access memory, read only memory, erasable programmable read only memory, optical storage device, magnetic storage device, or any suitable combination of the foregoing.
In a possible embodiment, the invention may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps of implementing the automatic drawing method of a marine structure diagram as described in any one of embodiments 1 or 2, when said program product is run on the terminal device.
Wherein the program code for carrying out the invention may be written in any combination of one or more programming languages, which program code may execute entirely on the user device, partly on the user device, as a stand-alone software package, partly on the user device and partly on the remote device or entirely on the remote device.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.

Claims (11)

1. An automatic drawing method of a ship structure diagram is characterized by comprising the following steps:
identifying a ship structure diagram to be drawn, and obtaining at least one target section bar section included in the ship structure diagram;
presetting a through hole type corresponding to the profile type of the section of the target profile;
automatically drawing a through hole corresponding to the corresponding through hole type on the section of the target section;
before the step of identifying the ship structure diagram to be drawn and obtaining the section of at least one target section included in the ship structure diagram, the automatic drawing method further comprises the following steps:
establishing a graphic feature library, wherein the graphic feature library stores graphic features of a plurality of section bar sections and graphic features of a plurality of through holes;
the step of identifying the ship structure diagram to be drawn and obtaining at least one target section bar section included in the ship structure diagram specifically comprises the following steps:
matching the ship structure diagram with the graphic features of the section to obtain the section of the at least one target section;
the graphic feature library also stores graphic features of a plurality of patch boards;
before the step of automatically drawing the through holes corresponding to the corresponding through hole types on the target section, the automatic drawing method further comprises:
establishing a first topological relation between the section of the section and the through hole and a second topological relation between the through hole and the patch on the basis of the graphic feature library, wherein the first topological relation is used for representing the geometric relation between the graph of the section and the graph of the through hole, and the second topological relation is used for representing the geometric relation between the graph of the through hole and the graph of the patch;
the step of automatically drawing the through holes corresponding to the corresponding through hole types on the section of the target section specifically comprises the following steps:
and acquiring the position data of the target section, and automatically drawing the corresponding through hole according to the position data of the target section and the first topological relation.
2. The automatic drawing method of a ship structure map according to claim 1, wherein after the step of automatically drawing the through-holes corresponding to the corresponding through-hole types on the section bar section, the automatic drawing method further comprises:
presetting a patch type corresponding to any through hole type;
identifying the ship structure diagram to obtain at least one target through hole corresponding to the type of any through hole contained in the ship structure diagram;
and automatically drawing the patch corresponding to the corresponding patch type on the target through hole.
3. The method for automatically drawing a ship structure map according to claim 2, wherein the step of identifying the ship structure map to obtain at least one target through-hole corresponding to the type of any through-hole included in the ship structure map specifically includes:
and matching the ship structure diagram with the graphic features of the through holes to obtain the target through holes.
4. The automatic drawing method of a ship structure map according to claim 3, wherein the step of automatically drawing the patch corresponding to the corresponding patch type on the target through hole specifically includes:
and acquiring the position data of the target through hole, and automatically drawing the corresponding patch according to the position data of the target through hole and the second topological relation.
5. The automatic drawing method of a ship structure map according to claim 1, wherein the graphic features include at least one of a layer, a color, a line shape, a number of curve vertices, a mutual position of the curve vertices, a graphic size limit, and whether or not a circular arc is included in the graphic.
6. The automatic drawing system of the ship structure diagram is characterized by comprising an identification module, a first preset module and a through hole drawing module;
the identification module is used for identifying a ship structure diagram to be drawn and obtaining at least one target section bar section included in the ship structure diagram;
the first preset module is used for presetting a through hole type corresponding to the profile type of the section of the target profile;
the through hole drawing module is used for automatically drawing through holes corresponding to the corresponding through hole types on the section of the target section;
the automatic drawing system also comprises a feature library building module;
the feature library establishing module is used for establishing a graphic feature library, and the graphic feature library stores graphic features of a plurality of section bar sections and graphic features of a plurality of through holes;
the identification module is used for matching the ship structure diagram with the graphic features of the section to obtain the at least one target section of the section;
the automatic drawing system further comprises a topological relation building module;
the topological relation establishing module is used for establishing a first topological relation between the section of the section and the through hole and a second topological relation between the through hole and the patch based on the graphic feature library, wherein the first topological relation is used for representing the geometric relation between the graph of the section and the graph of the through hole, and the second topological relation is used for representing the geometric relation between the graph of the through hole and the graph of the patch;
the through hole drawing module is used for acquiring the position data of the section of the target section and automatically drawing the corresponding through hole according to the position data of the section of the target section and the first topological relation.
7. The automatic drawing system of a ship structure diagram according to claim 6, wherein the automatic drawing system further comprises a second preset module and a patch drawing module;
the second preset module is used for presetting a patch type corresponding to any through hole type;
the identification module is further used for identifying the ship structure diagram to obtain at least one target through hole which is contained in the ship structure diagram and corresponds to the type of any through hole;
the patch drawing module is also used for automatically drawing patches corresponding to the corresponding patch types on the target through holes.
8. The automated painting system of a ship structure according to claim 7, wherein the identification module is further configured to match the ship structure with a graphical feature of the through-hole to obtain the target through-hole.
9. The automatic drawing system of a ship structure diagram according to claim 8, wherein the patch drawing module is configured to obtain position data of the target through hole, and automatically draw the corresponding patch according to the position data of the target through hole and the second topological relation.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for automatically drawing a marine structure according to any one of claims 1 to 5 when the computer program is executed by the processor.
11. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when executed by a processor, implements the steps of the automatic drawing method of a ship structure diagram according to any one of claims 1 to 5.
CN202010173847.5A 2020-03-13 2020-03-13 Automatic drawing method, system, equipment and storage medium for ship structure diagram Active CN111488648B (en)

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