CN115221841A - WEB-based engineering symbol processing method - Google Patents
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Abstract
The invention relates to the field of engineering symbol processing, in particular to an engineering symbol processing method based on WEB, which comprises the following steps: the method comprises the steps of obtaining initial engineering symbol preview display by utilizing engineering symbol data, obtaining an engineering symbol display result by utilizing the initial engineering symbol preview display, realizing the editing of engineering symbols by virtue of a rich text editor, displaying the finally generated engineering symbols in a form control, supporting all the engineering symbols of the national standard, and changing the symbols in real time when the complex engineering symbols are modified, so that the synchronous updating and the accuracy of data are ensured.
Description
Technical Field
The invention relates to the field of engineering symbol processing, in particular to an engineering symbol processing method based on WEB.
Background
The engineering symbols in the mechanical design manual are well expressed in CAD, but in a process system, particularly in a web process, the current common web process only supports simple engineering symbols, complex engineering symbols in national standards such as form and position tolerances, welding symbols and the like have characters and have symbol returning structures, the complex structure cannot be directly supported, and a user can only express the engineering symbols in a flexible mode, but the method is not visual and is easy to make mistakes.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a WEB-based engineering symbol processing method, which obtains the corresponding engineering symbol by converting basic engineering data.
In order to achieve the above object, the present invention provides a method for processing engineering symbols based on WEB, which comprises:
s1, obtaining initial engineering symbol preview display by utilizing engineering symbol data;
s1 specifically comprises the following steps:
s1-1, carrying out character string analysis processing by using the engineering symbol data to obtain engineering symbol rich text data;
s1-1 specifically comprises:
s1-1-1, acquiring a corresponding engineering symbol character string by using the engineering symbol data;
s1-1-2, carrying out character string analysis processing on the engineering symbol character string based on a pre-established formatted character string template to obtain engineering symbol rich text data;
s1-2, acquiring an engineering symbol corresponding to the engineering symbol rich text data by using the engineering symbol rich text data;
s1-3, using the engineering symbol corresponding to the engineering symbol rich text data as an initial engineering symbol preview display;
and S2, obtaining an engineering symbol display result by utilizing the initial engineering symbol preview display.
Preferably, the pre-establishing of the formatted character string template includes:
carrying out feature classification processing by utilizing the engineering symbols according to the type of the engineering symbols to obtain an engineering symbol classification feature set;
acquiring prefixes, separators and suffixes corresponding to the engineering symbol classification features in the engineering symbol classification feature set;
and establishing a formatted character string template by utilizing the prefixes, the separators and the suffixes corresponding to the engineering symbol classification features.
Preferably, the obtaining of the rich text data of the engineering symbol by performing the character string analysis processing on the engineering symbol character string based on the pre-established formatted character string template includes:
acquiring a first character string of the engineering symbol by using the character string of the engineering symbol based on a prefix and a suffix in a pre-established formatted character string template;
obtaining a second character string of the engineering symbol by utilizing the first character string of the engineering symbol based on a separator in a pre-established formatted character string template;
and obtaining rich text data of the engineering symbols by using the second character string of the engineering symbols.
Preferably, the obtaining of the engineering symbol corresponding to the engineering symbol rich text data by using the engineering symbol rich text data includes:
and judging whether the engineering symbol rich text data is modified, if so, performing character string analysis processing by using the engineering symbol data to obtain the engineering symbol rich text data, and otherwise, obtaining the engineering symbol corresponding to the engineering symbol rich text data.
Preferably, the obtaining of the engineering symbol display result by using the initial engineering symbol preview display includes:
and judging whether the initial engineering symbol preview corresponds to a CAXA process chart, if so, utilizing the initial engineering symbol preview to display as an engineering symbol display result, and otherwise, repeating the step S1.
Compared with the closest prior art, the invention has the following beneficial effects:
the method has the advantages that the engineering symbols are edited by means of the rich text editor, the finally generated engineering symbols are displayed in the table control, all the national standard engineering symbols are supported, and when the complex engineering symbols are modified, the symbols can be changed in real time, so that the synchronous updating and the accuracy of data are ensured.
Drawings
FIG. 1 is a flow chart of a WEB-based engineering symbol processing method provided by the invention;
FIG. 2 is a flow chart of a WEB-based engineering symbol processing practical application method provided by the invention;
FIG. 3 is a schematic diagram illustrating the mixed editing of characters and engineering symbols of an actual application method of WEB-based engineering symbol processing according to the present invention;
FIG. 4 is a schematic diagram of a formatted character string of the WEB-based engineering symbol processing practical application method provided by the present invention;
FIG. 5 is a schematic diagram of a state of an unselected engineering symbol of an actual application method of WEB-based engineering symbol processing according to the present invention;
FIG. 6 is a schematic diagram of selected engineering symbols of an actual application method of WEB-based engineering symbol processing according to the present invention;
FIG. 7 is a schematic diagram of an engineering symbol of an actual application method of WEB-based engineering symbol processing according to the present invention;
FIG. 8 is a schematic diagram of a formatted character string corresponding to an engineering symbol of an actual application method for processing engineering symbols based on WEB according to the present invention;
FIG. 9 is a schematic diagram of a WEB edition generation of an actual application method of WEB-based engineering symbol processing according to the present invention;
fig. 10 is a schematic diagram of a CAXA process diagram of a WEB-based engineering symbol processing practical application method according to the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1:
the invention provides a WEB-based engineering symbol processing method, as shown in figure 1, comprising the following steps:
s1, obtaining initial engineering symbol preview display by utilizing engineering symbol data;
and S2, obtaining an engineering symbol display result by utilizing the initial engineering symbol preview display.
The step S1 specifically includes:
s1-1, carrying out character string analysis processing by using the engineering symbol data to obtain engineering symbol rich text data;
s1-2, acquiring an engineering symbol corresponding to the engineering symbol rich text data by using the engineering symbol rich text data;
and S1-3, utilizing the engineering symbol corresponding to the rich text data of the engineering symbol as an initial engineering symbol preview display.
The step S1-1 specifically comprises:
s1-1-1, acquiring a corresponding engineering symbol character string by using the engineering symbol data;
s1-1-2, carrying out character string analysis processing on the engineering symbol character string based on a pre-established formatted character string template to obtain the engineering symbol rich text data.
The step S1-1-2 specifically comprises the following steps:
s1-1-2-1, performing feature classification processing according to the type of the engineering symbol by using the engineering symbol to obtain an engineering symbol classification feature set;
s1-1-2-2, obtaining prefixes, separators and suffixes corresponding to all the engineering symbol classification features in the engineering symbol classification feature set;
s1-1-2-3, establishing a formatted character string template by utilizing the prefixes, the separators and the suffixes corresponding to the engineering symbol classification features.
S1-1-2-4, acquiring a first character string of the engineering symbol by utilizing the character string of the engineering symbol based on a prefix and a suffix in a pre-established formatted character string template;
s1-1-2-5, obtaining a second character string of the engineering symbol by utilizing the first character string of the engineering symbol based on a separator in a pre-established formatted character string template;
and S1-1-2-6, obtaining rich text data of the engineering symbol by using the second character string of the engineering symbol.
The step S1-2 specifically comprises the following steps:
s1-2-1, judging whether the engineering symbol rich text data is modified, if so, performing character string analysis processing by using the engineering symbol data to obtain the engineering symbol rich text data, and otherwise, obtaining an engineering symbol corresponding to the engineering symbol rich text data.
The step S2 specifically includes:
s2-1, judging whether the initial engineering symbol preview corresponds to a CAXA process chart or not, if so, utilizing the initial engineering symbol preview to display as an engineering symbol display result, and otherwise, repeating the step S1.
Example 2:
the invention provides a WEB-based engineering symbol processing practical application method, as shown in figure 2, comprising the following steps:
1. the engineering symbols in the national standard show:
1) The following is exemplified by engineering notation (taken from GB/T1182-1996).
Interpretation of terms of art: engineering symbols are also commonly referred to as geometric tolerances, including shape tolerances, position tolerances, roughness, form and location tolerances, weld symbols, and the like. Any part is composed of points, lines, and planes, which are referred to as elements. The actual elements of the machined part are always in error relative to the ideal elements, including shape errors and position errors. Such errors affect the function of the mechanical product, and corresponding tolerances are specified in the design and are marked on the drawings according to specified standard symbols.
As shown in fig. 3, in the rich text editor, a mixed editing display of text and engineering symbols is supported, and all national symbols are supported.
2) And displaying the content of the cell in a rich text editor, wherein the program needs to analyze the cell and transmit the cell to a formatted character string of the rich text, and parameter information contained in the formatted character string is analyzed one by one and stored. The character string corresponding to the process symbol in FIG. 3 is \ H0.876x, 9^0.1 ^%% C ^ $ ^0^ A ^ C $ B ^0^ 7^ 0;
the formatted character strings formed by different engineering symbols are different, each engineering symbol is provided with a fixed composition template, and specific parameter information can be disassembled and stored according to a certain analysis rule formed by the template. Taking the engineering notation as an example, the composition template is shown below.
Description of the invention:
(1) and (3) forming an analysis rule: each string has a specific prefix, trailer, and separator (see table example in (2)). The specific formatted character string disassembled from all the contents according to the prefix and the tail, the type of the engineering symbol is determined, the engineering symbol is analyzed according to the separator, and the specific parameter information is determined according to the formatted character string template.
(2) The formatting string templates for common engineering symbols are as follows:
| types of | Form panel | Prefix | Suffix | Separator symbol |
| Drawing symbol | % text% style% b | %@ | %b | % |
| Score of | V \ H height coefficient x, numerator ^ denominator format; | \V | ; | ; ^ |
| upper and lower subscripts | The S superscript ^ subscript; | \S | ; | ^ |
| roughness of the surface | The roughness symbol ^ same requirement ^ texture direction ^ upper limit value ^ lower limit value ^ minimum value of machining allowance ^; | \R | ; | ; ^ |
| form and position tolerance | \\\ H0.876x, tolerance code ^ tolerance value ^ prefix ^ shape limit correlation principle reversible requirement $ top superscript $ benchmark 1 (text + pull-down option) -combined |
\# | ; | ; ^ $- |
when the content of the rich text is, as shown in fig. 4, the formatted character string formed based on the above template is as follows:
v \ H0.707107x, 1^2 < alpha >, words \ H0.876 < alpha >, 9^0.1 ^%% C ^ C ^ A $ C $ B $0^7^ 0;
the first step is as follows: and disassembling the specific formatted character string according to the prefix and the suffix of the formatted character string.
Starting with \ V, ending string [ V \ H0.707107x ], 1^2 calculation of luminance a; ]
Beginning with \ #, ending string [ \ H0.876x ], 9^0.1 ^%% C ^ $ A ^ C ^ B ^0^ 7^0^ 9^0.1^ C ^ C ^ B ^0^ 7^0 ^.
The second step: determining the type of engineering symbol against a table
[ V \ H0.707107x ], 1^2 calculation of the current alpha, is the fraction
[ \ H0.876x, 9^0.1 ^%% C ^7^0
The third step: decomposing formatted strings by delimiters
The fractional separators are, and.
Firstly, according to the formula, the amino acids are disassembled to obtain [ V \ H0.707107x ] and [ 1^2 h a ].
And then the cells are disassembled according to the stigmas to obtain [ 1 ] and [ 2 ] cells a.
The form and position tolerance separator is ^ $ -.
Firstly, according to the formula, the decomposition is carried out to obtain [ 9 '# \ H0.876x ] and [ 9' ^0.1 ^%% C ^0^ 7^0^ C $ B ^0^ 7^0^
Then according to ^ 9^ and ^ disassembling to obtain [ [ 0.1 ] [% C ] [ $ $ $ A $ $ C $ B $0 ] [ [ 7 ] ] [ 0 ]
Finally, according to the values of (A), (C), (B) and (0) obtained by disassembling
The fourth step: and obtaining specific parameter information by contrasting the template.
The fractional templates were as follows:
v \ H height coefficient x, numerator ^ denominator format;
| parameter(s) | |
| Molecule | |
| 1 | |
| |
2 |
| Format | | a (two kinds are fixed in format: | a, | b) |
The form and position tolerance template is as follows:
a tolerance code ^ tolerance value ^ prefix ^ shape definition related principle reversible requirement $ top additional label $ benchmark 1 (text + pull-down option) -combined benchmark 1$ benchmark 2-combined benchmark 2 ^ benchmark 3-combined benchmark 3 ^0 tolerance level ^ basic size ^ 0;
| parameter(s) | Numerical |
| Tolerance code | |
| 9 | |
| Tolerance number | 0.1 |
| Prefix | %%c |
| Shape definition | Air conditioner |
| Correlation principle | Air conditioner |
| Reversible requirements | Air conditioner |
| Top end notes | Air conditioner |
| Reference 1 | A |
| |
Null (not shown in the formatted string when this item is null) |
| Reference 2 | |
| Combined reference | |
| 2 | Null (not shown in the formatted string when this item is null) |
| Reference 3 | B |
| Combined reference 3 | Null (not shown in formatted string when this item is null) |
| Tolerance class | 7 |
| Basic size | 0 |
2. After the type of the engineering symbol is selected, a corresponding functional area is displayed below, and parameter information is set in the functional area. For example, the form and position tolerance is a state in which the engineering symbol is not selected as shown in fig. 5, and a state in which the engineering symbol is selected as shown in fig. 6.
3. For complex engineering symbols, any parameter is changed in the symbol compiling process, and the preview area can be changed in real time. As shown in fig. 7, taking form and position tolerance as an example, the rich text editor has a form and position tolerance function area at the bottom and a preview area in the first row of boxes. And modifying any parameter, and changing the pictures in the preview area in real time.
4. Taking form and position tolerance as an example:
1) When the parameters are input in the editing interface, the contents are automatically added to the corresponding positions of the formatted character strings, and the formatted character strings are composed as follows:
the tolerance code tolerance value ^ prefix ^ shape defines the relevant principle reversible requirement $ top affix $ $ benchmark 1 (text + pull-down option) -combination benchmark 1$ benchmark 2-combination benchmark 2 benchmark $ 3-combination benchmark 3 ^0 tolerance level ^ basic size ^ 0;
as shown in fig. 8, the form and position tolerance generates a formatted string of:
\#\H0.876x;9^0.1^^%%c^^$$$$A$C$B$0^7^0^0^
2) After the formatted character string is generated, the formatted character string is transmitted to a client agent program, and the client agent generates a picture;
5. transmitting the formatted string to a table;
6. converting the formatted character string into a picture;
and 7. The engineering symbols generated by the web end are consistent with the CAXA process diagram. As shown in fig. 9, for web edition generation, as shown in fig. 10, for a CAXA process diagram generation.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (5)
1. A WEB-based engineering symbol processing method is characterized by comprising the following steps:
s1, obtaining initial engineering symbol preview display by utilizing engineering symbol data;
s1 specifically comprises the following steps:
s1-1, carrying out character string analysis processing by using the engineering symbol data to obtain engineering symbol rich text data;
s1-1 specifically comprises:
s1-1-1, acquiring a corresponding engineering symbol character string by using the engineering symbol data;
s1-1-2, carrying out character string analysis processing on the engineering symbol character string based on a pre-established formatted character string template to obtain engineering symbol rich text data;
s1-2, acquiring an engineering symbol corresponding to the engineering symbol rich text data by using the engineering symbol rich text data;
s1-3, utilizing the engineering symbol corresponding to the rich text data of the engineering symbol as an initial engineering symbol preview to display;
and S2, obtaining an engineering symbol display result by utilizing the initial engineering symbol preview display.
2. A WEB-based engineering symbol processing method according to claim 1, wherein the pre-establishing of the formatted character string template includes:
carrying out feature classification processing by utilizing the engineering symbols according to the types of the engineering symbols to obtain an engineering symbol classification feature set;
acquiring prefixes, separators and suffixes corresponding to the engineering symbol classification features in the engineering symbol classification feature set;
and establishing a formatted character string template by utilizing the prefix, the separator and the suffix corresponding to the engineering symbol classification characteristic.
3. The WEB-based engineering symbol processing method according to claim 1, wherein the obtaining of engineering symbol rich text data by performing a character string parsing process on the basis of a pre-established formatted character string template using the engineering symbol character string comprises:
acquiring a first character string of the engineering symbol by utilizing the character string of the engineering symbol based on a prefix and a suffix in a pre-established formatted character string template;
obtaining a second character string of the engineering symbol by utilizing the first character string of the engineering symbol based on a separator in a pre-established format character string template;
and obtaining the rich text data of the engineering symbols by using the second character string of the engineering symbols.
4. The WEB-based engineering symbol processing method according to claim 1, wherein the step of obtaining the engineering symbol corresponding to the engineering symbol rich text data by using the engineering symbol rich text data comprises the steps of:
and judging whether the engineering symbol rich text data is modified, if so, performing character string analysis processing by using the engineering symbol data to obtain the engineering symbol rich text data, and otherwise, obtaining the engineering symbol corresponding to the engineering symbol rich text data.
5. The WEB-based engineering symbol processing method according to claim 1, wherein obtaining an engineering symbol display result by using the initial engineering symbol preview display comprises:
and judging whether the initial engineering symbol preview corresponds to the CAXA process diagram, if so, utilizing the initial engineering symbol preview display as an engineering symbol display result, and otherwise, repeating the step S1.
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