CN113051885B - AutoCAD-based design drawing rapid typesetting method - Google Patents
AutoCAD-based design drawing rapid typesetting method Download PDFInfo
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- CN113051885B CN113051885B CN202110378395.9A CN202110378395A CN113051885B CN 113051885 B CN113051885 B CN 113051885B CN 202110378395 A CN202110378395 A CN 202110378395A CN 113051885 B CN113051885 B CN 113051885B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/189—Automatic justification
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/12—Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
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- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/42—Document-oriented image-based pattern recognition based on the type of document
- G06V30/422—Technical drawings; Geographical maps
Abstract
The invention discloses a design drawing rapid typesetting method based on AutoCAD, which adopts computer language to call an AutoCAD function to realize automatic operation; the method comprises the following steps: step 1, preparing a picture frame; step 2, dividing a model space into diagrams; step 3, forming a layout space; step 4, completing the picture frame information; and 5, generating a catalog. The whole typesetting process of the invention adopts computer language to call the AutoCAD function to realize parameterization operation, and has the advantages of high efficiency, rapidness, convenient use, high reliability, good universality, strong compatibility and wide application range.
Description
Technical Field
The invention relates to the technical field of computer aided design, in particular to a design drawing quick typesetting method based on AutoCAD.
Background
AutoCAD (auto Computer Aided design) is Computer Aided design software widely used in the field of engineering design at present, has powerful functions of drawing and processing graphics, and is widely applied to a plurality of engineering fields such as roads, tunnels, rail transit and the like. As a general drawing software, the software configures a secondary development interface for a user, and the user can realize the graphic processing function in the AutoCAD file through multi-language programming.
The normal design drawing consists of two parts, namely a graph and a drawing frame. The graphic content is a symbol expressing design intention such as lines, characters, diagrams and the like; the drawing frame is a tool for identifying the graphic content, and the graphic content is orderly managed through the drawing frame. In order to facilitate the identification and management of drawings, each frame contains the following information: project name, project number, graphic name, graphic number, designer, finish time, etc.
At present, a drawing designed by AutoCAD is used for typesetting, a drawing frame is generally made into blocks, attached information of the drawing frame is attached to the drawing frame in an attribute mode, then the drawing frame is inserted into the AutoCAD layout, and a viewport is opened in a drawing area of the drawing frame to display graphic content. In the typesetting process, the actions of inserting a picture frame, setting and modifying picture name and picture number, forming a catalog and the like all need to be modified manually. The conventional drawing typesetting method comprises the following manual operation steps: 1. the designer uses a similar polygon with the frame of the viewport of the picture frame drawing area to separate the graphics in the model space; 2. inserting a picture frame in the layout, setting a view port, and enabling the polygon of the view port to coincide with the polygon of the partition graph in the model; 3. modifying the picture name and the picture number corresponding to each inserted picture frame one by one; 4. and (4) counting the picture names and the picture numbers of all the drawings, and writing the picture names and the picture numbers into a catalog.
For the projects with obvious linear characteristics of design objects such as roads, tunnels, rail transit and the like, the number of drawings of planes and longitudinal sections is large, the drawings are typeset by adopting a conventional method, and the occupied manual time is long; meanwhile, when the number of the middle drawing is increased or decreased, the number of each drawing needs to be manually modified, and much time is needed.
At present, the method for inserting frames in batches is provided by secondary AutoCAD development aiming at the problems in China, but the frames inserted by the method can only carry out drawing numbering in sequence, can not carry out automatic modification of drawing names and drawing numbers, and also has the function of automatically generating catalogues, thereby limiting the application range of the method.
Therefore, how to quickly match the drawing names, drawing frames, drawing numbers and generate drawing catalogues for the graphic contents in the model space becomes a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the defects in the prior art, the invention provides the rapid typesetting method for the design drawing based on the AutoCAD, and aims to provide the rapid typesetting method for the AutoCAD drawing, which is more efficient and rapid, more convenient to use, higher in reliability, better in universality, stronger in compatibility and wider in application range.
In order to achieve the purpose, the invention discloses a design drawing rapid typesetting method based on AutoCAD, which adopts computer language to call an AutoCAD function to realize automatic operation; the method comprises the following steps:
and 5, generating a catalog.
Preferably, in step 1, the frame preparation step includes:
step 1.1, storing the picture frame used for typesetting as an independent CAD file;
step 1.2, opening a picture frame file, checking the picture frame form and picture frame information, and preprocessing;
step 1.3, the preprocessing is carried out according to different types of frames, which specifically comprises the following steps:
when the whole picture frame is a CAD block and the picture frame information exists in a block attribute mode, the picture frame meets the requirement;
when the picture frame lines belong to the CAD blocks and the picture frame information is common characters, the common characters are changed into attribute characters;
and when the picture frame is scattered lines and characters, making the picture frame into blocks, and setting the information of the picture frame as attribute characters.
More preferably, the frame information includes general information and specific information;
the general information is the same content which repeatedly appears in the same type of picture frame and comprises a project name, a project number and the size of the picture frame;
the special information is a picture name and a picture number for identifying the identity of a specific drawing;
and in the preprocessing process, converting at least 1 item name or item number, and attributes of the drawing name, the drawing number and the drawing category into characters.
Preferably, in step 2, the step of model space mapping is as follows:
step 2.1, opening the CAD file to be typeset, inserting a picture frame file into the layout space, setting a viewport rectangular frame in a picture frame drawing area, and reading in the relative position relation between the viewport rectangular frame and a picture frame;
step 2.2, calculating the size of a model space sub-frame corresponding to the viewport rectangular frame by taking the viewport rectangular frame as a reference according to the drawing proportion;
step 2.3, reading in graph datum line information, appointing a starting point mileage inserted into a picture frame, and calculating a starting point mileage coordinate;
step 2.4, taking the starting point of the sub-drawing as the center of a circle, and taking the width of a rectangular frame of the sub-drawing as a radius to make a circle;
step 2.5, placing the midpoint of the left side of the sub-frame at the starting point of the sub-frame, placing the midpoint of the right side line of the sub-frame at the intersection point of the drawn circle and the base line, drawing the sub-frame, and attaching the numbering attribute to the sub-frame;
step 2.6, designating the lap joint distance between the picture frames, and calculating the lap joint distance of the model space sub-picture frames according to the proportion of a picture;
step 2.7, making a circle and intersecting the base line, wherein the left intersection point is the starting point of the second sub-frame, namely the left midpoint, and making the second sub-frame by the same method;
and 2.8, repeating the steps 2.4 to 2.7 to continue the map division until the middle point on the right side of the last map division frame exceeds the map division end point mileage corresponding to the baseline.
More preferably, the numbering rule of each frame is as follows: the number of the first frame in the same CAD file is set by human-computer interaction, and the number of the subsequent frame is increased by 1 unit by default.
Preferably, in step 3, the step of mapping the layout space is as follows:
step 3.1, drawing the viewport according to the size and the position of a viewport rectangular frame which is set according to the result of the drawing in the step 2, and then aligning and fully distributing the viewport rectangular frame and the model drawing frame with the minimum serial number value sequencing in the model;
3.2, before the alignment is fully distributed, establishing a local coordinate system in the model space by taking the horizontal edge of the model sub-frame as an X axis;
3.3, after the picture frame viewport of the layout space is matched with the model sub-picture frame, writing the number of the model sub-picture frame into the drawing number of the picture frame attribute to form a first drawing;
and 3.4, inserting the next frame in the layout according to the specified offset value, and repeatedly executing the steps 3.2 to 3.3 until all the model sub-frames are matched.
Preferably, in step 4, the step of refining the frame information includes the following steps: traversing all the picture frames inserted in the graph, screening the picture frames with the same item names or item numbers, writing the attached information into a picture frame information statistical table, wherein each row in the table is recorded as picture frame information.
And after the drawing number of the drawing frame is updated, the number attribute corresponding to the model sub-drawing frame is updated to be the corresponding drawing number.
More preferably, the frame information statistical table adopts an interactive form developed secondarily by CAD, the information of the statistical table is associated with the frame information, the name and the number of the drawing are modified in the statistical table, and the corresponding frame information is automatically updated.
Preferably, in the step 5, the step of generating the directory is as follows: writing the screened picture frame information into a preset directory table to generate a directory; the catalog table at least comprises 5 items of input information of columns, rows and columns, and the distance between the rows and the columns.
More preferably, the screened drawing frame information includes a drawing name, a drawing number and a drawing name.
The invention has the beneficial effects that:
the whole typesetting process of the invention adopts computer language to call the AutoCAD function to realize parameterization operation, and has the advantages of high efficiency, rapidness, convenient use, high reliability, good universality, strong compatibility and wide application range.
The conception, specific structure and technical effects of the present invention will be further described in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention.
Drawings
FIG. 1 shows a flow chart of an embodiment of the present invention.
Fig. 2 shows a typical AutoCAD drawing in accordance with an embodiment of the present invention.
FIG. 3 is a diagram illustrating model space baselines and split frame states in accordance with an embodiment of the present invention.
FIG. 4 shows a relationship between a layout space frame viewport and a model space frame in accordance with an embodiment of the present invention.
FIG. 5 is a block diagram illustrating an exemplary frame information statistics table according to an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1, the implementation steps of the method for quickly typesetting design drawings based on AutoCAD in this embodiment are as follows:
A typical drawing sheet is shown in fig. 2, and the information except the drawing area belongs to the frame content. The size of the frame outer frame is determined by the size of the drawing, the drawing frame comprises a plurality of drawing information, and each drawing information corresponds to one rectangular storage area.
And storing the frame for typesetting as an independent CAD file. And opening the frame file, checking the frame form and the frame information, and preprocessing the frame and the information. When the whole picture frame is a CAD block and the picture frame information exists in a block attribute mode, the picture frame meets the requirement; when the drawing frame lines are CAD blocks and the drawing frame information is ordinary characters, the ordinary characters are changed into attribute characters; and when the picture frame lines and the characters are not combined into blocks, making the picture frame into blocks, and setting picture frame information as attribute characters.
The frame information is divided into general information and special information.
The general information is the same content which repeatedly appears in the same type of drawing frame, and comprises a project name, a project number, a drawing frame size and the like; the special information is a picture name and a picture number for identifying the identity of a specific drawing.
The preset value of the general information of the picture frame is filled according to the actual condition of the project, and the preset value of the special information can be unlimited. In the processed frame, the following information must be attribute characters: at least 1 item of item name or item number, 3 items of drawing name, drawing number and drawing category.
And 2, carrying out model space mapping.
Opening the CAD file to be typeset, inserting the picture frame file into the layout space, setting the view port rectangular frame range in the drawing area shown in FIG. 2, and reading the length of the view port rectangular frame and the relative distance between the view port rectangular frame and the picture frame corner points. And calculating the size of the model space framing frame corresponding to the viewport rectangular frame by taking the viewport rectangular frame as a reference according to the drawing scale. And making the picture frame into a block, and attaching an attribute for recording the number of the picture frame.
The base line pattern for the present method is shown in fig. 3. Reading in graph datum line information, designating a starting point mileage of the model sub-graph, and calculating a starting point mileage coordinate. And taking the starting point of the partial graph as the center of a circle and the transverse side length of the rectangular frame of the partial graph as the radius to make a circle. And (3) placing the midpoint of the left vertical side line of the sub-frame at the center of a circle, placing the midpoint of the right vertical side line of the sub-frame at the right intersection point of the drawn circle and the base line, drawing the sub-frame, and writing a number value into the number attribute of the sub-frame. And then, calculating the lap joint length of the model space picture frame according to a picture proportion according to the set lap joint distance between the picture frames, and then making a circle by the lap joint length at the center of the right vertical edge of the previous picture frame, wherein the left intersection point of the circular arc and the base line is the middle point of the left vertical edge of the next picture frame.
And repeating the previous steps, and drawing the next sub-picture frame until the midpoint of the right vertical edge of the last sub-picture frame exceeds the set sub-picture end point mileage.
The sub-frame numbering rule: the number of the first frame in the same CAD file is set by human-computer interaction, and the number of the subsequent frame is automatically increased by one by default.
And step 3, forming a layout space into a diagram.
As shown in fig. 4, in the frame inserted in step 2, the viewport is drawn according to the size and position of the viewport rectangular frame, and then the viewport rectangular frame is fully aligned with the model frame with the smallest sequence of number values in the model. Before the model sub-frame is fully aligned, a local coordinate system is established in a model space by taking the horizontal edge of the model sub-frame as an X axis. And after the picture frame viewport of the layout space is matched with the model sub-picture frame, writing the number of the model sub-picture frame into the drawing number of the picture frame attribute to form a first drawing.
Next, a second frame is inserted into the layout according to the designated offset value, and the second model frame is matched with the viewport according to the processing method to form a second drawing. And sequentially carrying out the steps until all the model sub-frames are matched with the frames.
And 4, completing the picture frame information.
Traversing all the picture frames inserted in the graph, screening the picture frame information with the same item name or item number, writing the attached information into a picture frame information statistical table, wherein each row in the table is recorded as the picture frame information. The frame information statistical table element is schematically shown in fig. 5. The statistical table adopts an interactive form developed secondarily by CAD, the information of the statistical table is associated with the picture frame information, the picture name and the picture number are modified in the statistical table, and the corresponding picture frame information is automatically updated. And after the drawing number of the drawing frame is updated, the number attribute corresponding to the model sub-drawing frame is updated to be the corresponding drawing number.
And 5, generating a catalog.
And (3) the picture frame information screened according to the item number in the statistical table is: and writing the drawing name, the drawing number and the drawing name into a preset directory table to generate a directory.
And finishing the layout of the drawing.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. The design drawing rapid typesetting method based on the AutoCAD adopts a computer language to call an AutoCAD function to realize automatic operation; the method comprises the following steps:
step 1, preparing a picture frame;
step 2, dividing a model space;
the steps of the model space mapping are as follows:
step 2.1, opening the CAD file to be typeset, inserting a picture frame file into the layout space, setting a viewport rectangular frame in a picture frame drawing area, and reading in the relative position relation between the viewport rectangular frame and a picture frame;
step 2.2, calculating the size of a model space sub-frame corresponding to the viewport rectangular frame by taking the viewport rectangular frame as a reference according to the drawing proportion;
step 2.3, reading in graph datum line information, appointing a starting point mileage inserted into a picture frame, and calculating a starting point mileage coordinate;
step 2.4, taking the starting point of the sub-graph as the center of a circle, and taking the width of the rectangular frame of the sub-graph as the radius to make a circle;
step 2.5, placing the midpoint of the left side of the sub-frame at the starting point of the sub-frame, placing the midpoint of the right side line of the sub-frame at the intersection point of the drawn circle and the base line, drawing the sub-frame, and attaching the numbering attribute to the sub-frame;
step 2.6, designating the lap joint distance between the picture frames, and calculating the lap joint distance of the model space sub-picture frames according to the proportion of a picture;
step 2.7, making a circle and intersecting the base line, wherein the left intersection point is the starting point of the second sub-frame, namely the left midpoint, and making the second sub-frame by the same method;
step 2.8, repeating the steps 2.4 to 2.7 to continue the map division until the midpoint of the right side of the last map division frame exceeds the map division end point mileage corresponding to the baseline;
step 3, forming a layout space;
step 4, perfecting the picture frame information;
and 5, generating a catalog.
2. The method for rapid layout of design drawings based on AutoCAD according to claim 1, wherein in step 1, the drawing frame preparation step is as follows:
step 1.1, storing a picture frame used for typesetting as an independent CAD file;
step 1.2, opening a picture frame file, checking the picture frame form and picture frame information, and preprocessing;
step 1.3, the preprocessing is carried out according to different types of frames, which specifically comprises the following steps:
when the whole picture frame is a CAD block and the picture frame information exists in a block attribute mode, the picture frame meets the requirement;
when the picture frame lines belong to the CAD blocks and the picture frame information is common characters, the common characters are changed into attribute characters;
and when the picture frame is scattered lines and characters, making the picture frame into blocks, and setting the information of the picture frame as attribute characters.
3. The AutoCAD-based design drawing quick layout method as recited in claim 2, wherein said drawing frame information includes general information and specific information;
the general information is the same content which repeatedly appears in the same type of picture frame and comprises a project name, a project number and the size of the picture frame;
the special information is a picture name and a picture number for identifying the identity of a specific drawing;
and in the preprocessing process, converting at least 1 item name or item number, the drawing name, the drawing number and the attributes of the drawing category into characters.
4. The AutoCAD-based design drawing quick typesetting method according to claim 1, wherein the numbering rule of each drawing frame is as follows: the number of the first drawing frame in the same CAD file is set by human-computer interaction, and the number value of the subsequent drawing frames is increased by a unit 1 by default.
5. The AutoCAD-based design drawing quick typesetting method as recited in claim 1, wherein in the step 3, the step of forming the layout space into the figure is as follows:
step 3.1, drawing the viewport according to the size and the position of a viewport rectangular frame which is set according to the result of the drawing in the step 2, and then aligning and fully distributing the viewport rectangular frame and the model drawing frame with the minimum serial number value sequencing in the model;
3.2, before the alignment is fully distributed, establishing a local coordinate system in the model space by taking the horizontal edge of the model sub-frame as an X axis;
3.3, after the picture frame viewport of the layout space is matched with the model sub-picture frame, writing the number of the model sub-picture frame into the drawing number of the picture frame attribute to form a first drawing;
and 3.4, inserting the next frame in the layout according to the specified offset value, and repeatedly executing the steps 3.2 to 3.3 until all the model sub-frames are matched.
6. The AutoCAD-based design drawing quick typesetting method as recited in claim 1, wherein in the step 4, the step of completing the drawing frame information is as follows: traversing all the picture frames inserted in the graph, screening the picture frames with the same item name or item number, writing the attachment information of the picture frames into a picture frame information statistical table, wherein each row in the table is recorded as picture frame information;
and after the drawing number of the drawing frame is updated, the number attribute corresponding to the model sub-drawing frame is updated to be the corresponding drawing number.
7. The AutoCAD-based design drawing quick layout method according to claim 6, wherein the drawing frame information statistical table is an interactive form developed secondarily by CAD, the information of the statistical table is associated with the drawing frame information, the name and the number of the drawing are modified in the statistical table, and the corresponding drawing frame information is automatically updated.
8. The AutoCAD-based design drawing quick typesetting method as recited in claim 1, wherein in the step 5, the step of generating the catalog is as follows: writing the screened picture frame information into a preset directory table to generate a directory; the catalog table at least comprises 5 items of input information of columns, rows and columns, and the distance between the rows and the columns.
9. The AutoCAD-based method for rapid layout of design drawings according to claim 8, wherein said drawing frame information that is screened out includes drawing name, drawing number and drawing name.
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| CN115203767B (en) * | 2022-09-16 | 2022-12-09 | 青岛艾德软件有限公司 | Automatic layout method and system for engineering drawings |
| CN116383911B (en) * | 2023-04-18 | 2023-09-01 | 华联世纪工程咨询股份有限公司 | Automatic graph cutting method based on CAD drawing |
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