CN111339659B - Rapid labeling method and device for stepped holes in three-dimensional model - Google Patents
Rapid labeling method and device for stepped holes in three-dimensional model Download PDFInfo
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- CN111339659B CN111339659B CN202010116247.5A CN202010116247A CN111339659B CN 111339659 B CN111339659 B CN 111339659B CN 202010116247 A CN202010116247 A CN 202010116247A CN 111339659 B CN111339659 B CN 111339659B
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Abstract
The invention discloses a rapid labeling method and device for a stepped hole in a three-dimensional model, wherein the method comprises the steps of identifying the characteristics of the stepped hole to be labeled; matching the characteristics of the stepped holes with templates in a database, and outputting corresponding labeling templates; inputting annotation information into the annotation template; and calling a labeling function in the three-dimensional model according to the labeling information in the labeling template, and labeling the stepped hole. The labeling method is simple and convenient, can effectively shorten the labeling time of the stepped hole, improves the labeling efficiency, and can shorten the labeling time by at least 50% compared with the existing labeling method of the stepped hole.
Description
Technical Field
The invention relates to the field of engineering drawing, in particular to a method and a device for quickly marking a stepped hole in a three-dimensional model.
Background
At present, the labeling modes of the three-dimensional model mainly comprise two-dimensional engineering drawing labeling and three-dimensional labeling. The two-dimensional engineering drawing needs a plurality of views and labels to completely define the structure and the precision requirements of the box parts, the labeling efficiency is low, mistakes are easy to occur, and the requirements of drawing reading on engineers are high. Therefore, large enterprises at home and abroad gradually adopt three-dimensional labeling to replace two-dimensional engineering drawing, wherein the three-dimensional labeling refers to directly labeling Product Manufacturing Information (PMI) on a three-dimensional model, and then the manufacturing information of the product is transmitted to subsequent modules such as CAM, CAE, MES and the like, so that intermediate drawing links are reduced, the design efficiency is improved, and the PMI information is convenient and visual to view.
However, under the three-dimensional marking, the traditional marking mode of the stepped hole is as follows: firstly, manually establishing a section of a stepped hole, then selecting lines on the section to mark the sizes on the hole one by one, such as a depth size, a diameter size, an angle size and the like, and still spending a great deal of time for an engineer to mark and calibrate in the mode, so that the efficiency is required to be improved.
However, due to the complex structure of three-dimensional parts, especially three-dimensional box-type parts, even if three-dimensional labeling is adopted, engineers still need to spend a great deal of time to label and calibrate.
Disclosure of Invention
Therefore, the invention aims to provide a rapid labeling method and device for a stepped hole in a three-dimensional model, which can effectively improve the labeling efficiency of the stepped hole in the three-dimensional model.
Based on the above object, the invention provides a rapid labeling method for a stepped hole in a three-dimensional model, comprising the following steps of
Identifying the characteristics of the stepped hole to be marked;
matching the characteristics of the stepped holes with templates in a database, and outputting corresponding labeling templates;
inputting annotation information into the annotation template;
and calling a labeling function in the three-dimensional model according to the labeling information in the labeling template, and labeling the stepped hole.
As an alternative embodiment, the identifying the feature of the stepped hole to be marked includes
Picking up a stepped hole to be marked;
establishing a section of the stepped hole, wherein the section passes through the central axis of the stepped hole;
obtaining a cross-sectional view of the stepped hole on the cross-sectional plane;
identifying features of the cross-sectional view;
and obtaining the characteristics of the stepped hole according to the corresponding relation between the sectional view and the stepped hole.
As an alternative embodiment, the step hole is formed with a cross section passing through a central axis of the step hole, including
And establishing a section of the stepped hole, wherein the section passes through the central axis of the stepped hole, and the section avoids the position of cutting the stepped hole.
As an alternative embodiment, the identifying the features of the section view includes
Identifying the characteristics of the section view and identifying the corresponding size of the characteristics;
the inputting of the annotation information into the annotation template comprises
And inputting the size corresponding to the feature into the labeling template.
As an alternative embodiment, the inputting of annotation information into the annotation template comprises
And inputting the dimension corresponding to the feature and the tolerance corresponding to the dimension into the labeling template.
As an alternative implementation mode, the matching the features of the stepped holes with templates in a database and outputting corresponding labeling templates comprises
Searching a template subunit in the database, which is matched with each feature of the stepped hole;
combining all template subunits to form a labeling template corresponding to the step hole;
and outputting the labeling template.
As an alternative embodiment, the features include any one or a combination of any of major diameter, minor diameter, depth, taper, and type.
As a second aspect of the present invention, there is provided a rapid labeling apparatus for a stepped hole in a three-dimensional model, comprising
The identification module is used for identifying the characteristics of the stepped hole to be marked;
the matching module is used for matching the characteristics of the stepped holes with templates in a database and outputting corresponding labeling templates;
the input module is used for inputting the annotation information into the annotation template;
and the labeling module is used for calling a labeling function in the three-dimensional model according to the labeling information in the labeling template and labeling the stepped hole.
As an alternative embodiment, the identification module includes
The picking unit is used for picking up the stepped hole to be marked;
the establishing unit is used for establishing a section of the stepped hole, wherein the section passes through the central axis of the stepped hole;
a first obtaining unit for obtaining a cross-sectional view of the stepped hole on the cross-sectional plane;
an identification unit for identifying a feature of the cross-sectional view;
and the second obtaining unit is used for obtaining the characteristics of the stepped hole according to the corresponding relation between the sectional view and the stepped hole.
As an alternative embodiment, the matching module includes
The searching unit is used for searching a template subunit which is matched with each feature in the database aiming at each feature of the stepped hole;
the combination unit is used for combining all template subunits to form a labeling template corresponding to the step hole;
and the output unit is used for outputting the annotation template.
From the above, it can be seen that the method and the device for quickly labeling the stepped hole in the three-dimensional model provided by the invention firstly identify the characteristic of the stepped hole to be labeled, then match the identified characteristic with the template in the database, find the corresponding labeling template, output the labeling template, input labeling information into the labeling template, call the labeling function after the input is completed, label the stepped hole, thereby completing the labeling of the stepped hole.
Drawings
FIG. 1 is a schematic diagram of a method for quick labeling according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of S100 of a quick labeling method according to an embodiment of the invention;
FIG. 3 is a diagram of S200 of a quick labeling method according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a rapid labeling device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an identification module of a quick labeling device according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a matching module of a quick labeling device according to an embodiment of the invention;
FIG. 7 is a schematic diagram of an interface of a three-dimensional software pick-up stepped hole according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a stepped bore according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a three-dimensional software annotation interface according to an embodiment of the invention;
fig. 10 is a schematic diagram of the step hole according to the embodiment of the present invention after the marking is completed.
Detailed Description
The present invention will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
In order to achieve the above-mentioned object, the present invention provides a method and an apparatus for quickly labeling a stepped hole in a three-dimensional model, where the method and the apparatus for quickly labeling a stepped hole can be applied to a terminal such as a desktop computer, a notebook computer, an IPAD, etc. in which three-dimensional modeling software is installed, and can also be applied to a server, a server cluster, a cloud server, etc. in which three-dimensional modeling software is installed, and are not particularly limited.
As shown in FIG. 1, the embodiment of the invention provides a rapid labeling method for a stepped hole in a three-dimensional model, which comprises the following steps of
S100, identifying the characteristics of the stepped hole to be marked;
s200, matching the features of the stepped holes with templates in a database, and outputting corresponding labeling templates;
s300, inputting annotation information into the annotation template;
s400, calling a labeling function in the three-dimensional model according to the labeling information in the labeling template, and labeling the stepped hole.
In the embodiment of the invention, firstly, the characteristics of the stepped hole to be marked are identified, then the identified characteristics are matched with templates in a database, the corresponding marking template is searched, then the marking template is output, marking information is input into the marking template, after the input is completed, a marking function is called to mark the stepped hole, so that the marking of the stepped hole is completed.
As an alternative embodiment, as shown in fig. 2, the step hole feature to be marked is identified, including
S101, picking up a stepped hole to be marked;
s102, establishing a section of the stepped hole, wherein the section passes through a central axis of the stepped hole;
s103, obtaining a sectional view of the stepped hole on the section;
s104, identifying the characteristics of the section view;
s105, obtaining the characteristics of the stepped hole according to the corresponding relation between the sectional view and the stepped hole.
Thus, after the engineer selects the stepped hole to be marked, the automatic acquisition of the characteristics of the stepped hole can be realized.
Optionally, the step hole is formed by a section passing through a central axis of the step hole, including
And establishing a section of the stepped hole, wherein the section passes through the central axis of the stepped hole, and the section avoids the position of cutting the stepped hole.
As an alternative embodiment, the identifying the features of the section view includes
Identifying the characteristics of the section view and identifying the corresponding size of the characteristics;
the inputting of the annotation information into the annotation template comprises
And inputting the size corresponding to the feature into the labeling template.
Therefore, not only the characteristics of the stepped hole but also the size corresponding to the characteristics can be obtained, and the workload of inputting the characteristic size by an engineer is reduced, so that the quick labeling of the size is realized. When the dimension of the stepped hole is different from the dimension of the model, the engineer is required to manually input the dimension of the stepped hole.
Optionally, the inputting the labeling information into the labeling template includes
And inputting the dimension corresponding to the feature and the tolerance corresponding to the dimension into the labeling template.
In this way, a quick labeling of tolerances can be achieved. It should be noted that, when the tolerance is a non-standard tolerance, or a standard tolerance is not required, an engineer is required to input corresponding tolerance information, or input of the tolerance is canceled.
As an alternative embodiment, as shown in FIG. 3, the step hole features are matched with templates in a database, and corresponding labeling templates are output, including
S201, searching a template subunit in the database, which is matched with each feature of the stepped hole;
s202, combining all template subunits to form a labeling template corresponding to the stepped hole;
s203, outputting the labeling template.
Thus, the corresponding labeling templates can be dynamically generated according to the types and the feature quantity of the stepped holes.
As an alternative embodiment, the features include any one or a combination of any of major diameter, minor diameter, depth, taper, and type.
Corresponding to the rapid labeling method of the stepped hole in the three-dimensional model, as shown in fig. 4, the embodiment of the invention also provides a rapid labeling device of the stepped hole in the three-dimensional model, which comprises
The identification module 10 is used for identifying the characteristics of the stepped hole to be marked;
the matching module 20 is used for matching the characteristics of the stepped hole with templates in a database and outputting corresponding labeling templates;
an input module 30 for inputting annotation information into the annotation template;
and the labeling module 40 is used for calling a labeling function in the three-dimensional model according to the labeling information in the labeling template to label the stepped hole.
In the embodiment of the invention, the identification module firstly identifies the characteristic of the stepped hole to be marked, then the matching module matches the identified characteristic with the template in the database, the corresponding marking template is searched, the marking template is output, then the input module inputs marking information into the marking template, and after the input is completed, the marking module calls the marking function to mark the stepped hole, thereby finishing the marking of the stepped hole.
As an alternative embodiment, as shown in fig. 5, the identification module includes
A pick-up unit 11 for picking up the stepped hole to be marked;
a building unit 12 for building a section of the stepped hole, the section passing through a central axis of the stepped hole;
a first obtaining unit 13 for obtaining a cross-sectional view of the stepped hole on the cross-sectional plane;
an identification unit 14 for identifying a feature of the cross-sectional view;
and a second obtaining unit 15, configured to obtain the feature of the stepped hole according to the correspondence between the cross-sectional view and the stepped hole.
Thus, after the engineer selects the stepped hole to be marked, the automatic acquisition of the characteristics of the stepped hole can be realized.
As an alternative embodiment, as shown in fig. 6, the matching module includes
A searching unit 21, configured to search, for each feature of the step hole, a template subunit in the database that is adapted to the feature;
a combination unit 22, configured to combine all template subunits to form a labeling template corresponding to the step hole;
and an output unit 23 for outputting the annotation template.
Thus, the corresponding labeling templates can be dynamically generated according to the types and the feature quantity of the stepped holes.
Examples
1) Picking up the stepped hole: the stepped hole may be picked up by picking up a feature of the stepped hole, for example selecting the top edge of the stepped hole, as shown in fig. 7.
In addition, the method also comprises the step of inputting the serial number and the feature name of the feature.
2) Establishing a section to obtain a section view: the method is used for storing marked information at the back, and the section passes through the axis of the hole, so that the section is not limited, but needs to avoid the section to the position of the broken hole.
3) And (3) feature recognition: and identifying the characteristics of the cross-sectional diagram by utilizing a characteristic identification technology, and obtaining the characteristics of the stepped hole according to the corresponding relation between the cross-sectional diagram and the stepped hole. For example, a cylindrical surface type of 0, a conical surface type of 1, a circular surface type of 2, and a circular angle surface type of 3 are defined. The types of each step constitute a shape code in order, and as shown in fig. 8, the shape code of the stepped hole is 101.
In addition, the identification of the major dimensions in the cross-section, such as major diameter, minor diameter, depth, taper, type, etc., is included.
4) Template matching, wherein a plurality of template subunits are prestored in a system, corresponding template subunits are searched through the order and shape codes of holes, and template subunits matched with the features in the database are searched for each feature of the step holes; combining all template subunits to form a labeling template corresponding to the step hole; and outputting the labeling template. Each template subunit comprises information such as the number of marked sizes, the marking mode of each size, default up-down tolerance values and the like.
5) Output labeling template
And dynamically generating the annotation template and displaying the annotation template, namely the annotation interface, according to the picture address defined in the template, the position of each annotation control on the picture and other information (the picture position X and the picture position Y in the template). According to the different types and shape codes of the stepped holes, the output labeling templates (labeling interfaces) are different. Fig. 9 shows a display interface of a step hole 101.
6) Inputting annotation information
If the ratio of the size of the stepped hole in the three-dimensional model to the actual size is 1:1, automatically filling the labeling frame in the labeling interface according to the labeling information automatically recognized by the system, and if the ratio is not 1:1, manually inputting the labeling information in the labeling frame of the labeling interface by an engineer.
If the tolerance is a standard tolerance, the system is automatically filled, if the tolerance is not the standard tolerance, an engineer is required to manually input the tolerance, and if the standard tolerance is not required, a pinching button is selected.
7) Labeling
And calling a labeling function in the three-dimensional model according to the labeling information in the labeling template, and labeling the stepped hole. Fig. 10 is a schematic diagram of the step hole 101 after labeling.
It should be noted that, in the embodiments of the present invention, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present invention, and the following embodiments are not described one by one.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; combinations of features of the above embodiments or in different embodiments are also possible within the idea of the invention, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.
Claims (5)
1. The method for marking the stepped hole in the three-dimensional model is characterized by comprising the following steps of:
identifying the characteristics of the stepped hole to be marked;
matching the characteristics of the stepped holes with templates in a database, and outputting corresponding labeling templates;
inputting annotation information into the annotation template;
calling a labeling function in a three-dimensional model according to the labeling information in the labeling template, and labeling the stepped hole;
the identifying the characteristic of the stepped hole to be marked comprises the following steps:
picking up a stepped hole to be marked;
establishing a section of the stepped hole, wherein the section passes through the central axis of the stepped hole;
obtaining a cross-sectional view of the stepped hole on the cross-sectional plane;
identifying features of the cross-sectional view;
obtaining the characteristics of the stepped hole according to the corresponding relation between the sectional view and the stepped hole;
wherein, establish the section of shoulder hole, the section passes through the axis of shoulder hole, include:
and establishing a section of the stepped hole, wherein the section passes through the central axis of the stepped hole, and the section avoids the position of cutting the stepped hole.
Wherein said identifying features of said cross-sectional view comprises:
identifying the characteristics of the section view and identifying the corresponding size of the characteristics;
the inputting the annotation information into the annotation template comprises the following steps:
and inputting the size corresponding to the feature into the labeling template.
2. The method for labeling a stepped hole in a three-dimensional model according to claim 1, wherein said inputting labeling information into said labeling template comprises:
and inputting the dimension corresponding to the feature and the tolerance corresponding to the dimension into the labeling template.
3. The method for labeling a stepped hole in a three-dimensional model according to claim 1, wherein the matching the features of the stepped hole with templates in a database and outputting corresponding labeled templates comprises:
searching a template subunit in the database, which is matched with each feature of the stepped hole;
combining all template subunits to form a labeling template corresponding to the step hole;
and outputting the labeling template.
4. The method for labeling a stepped bore in a three-dimensional model according to claim 1, wherein said features comprise any one or a combination of any of a large diameter, a small diameter, a depth, a taper and a type.
5. The utility model provides a mark device of shoulder hole in three-dimensional model which characterized in that includes:
the identification module is used for identifying the characteristics of the stepped hole to be marked;
the matching module is used for matching the characteristics of the stepped holes with templates in a database and outputting corresponding labeling templates;
the input module is used for inputting the annotation information into the annotation template;
the marking module is used for calling a marking function in the three-dimensional model according to the marking information in the marking template and marking the stepped hole;
wherein, the identification module includes:
the picking unit is used for picking up the stepped hole to be marked;
the establishing unit is used for establishing a section of the stepped hole, wherein the section passes through the central axis of the stepped hole;
a first obtaining unit for obtaining a cross-sectional view of the stepped hole on the cross-sectional plane;
an identification unit for identifying a feature of the cross-sectional view;
the second obtaining unit is used for obtaining the characteristics of the stepped hole according to the corresponding relation between the sectional view and the stepped hole;
wherein, the matching module includes:
the searching unit is used for searching a template subunit which is matched with each feature in the database aiming at each feature of the stepped hole;
the combination unit is used for combining all template subunits to form a labeling template corresponding to the step hole;
the output unit is used for outputting the annotation template;
wherein said identifying features of said cross-sectional view comprises:
identifying the characteristics of the section view and identifying the corresponding size of the characteristics;
the inputting the annotation information into the annotation template comprises the following steps:
and inputting the size corresponding to the feature into the labeling template.
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| CN112036443A (en) * | 2020-07-31 | 2020-12-04 | 上海图森未来人工智能科技有限公司 | Method and device for labeling object contour in image data |
| CN112651378B (en) * | 2021-01-08 | 2021-10-15 | 唐旸 | Method, device and medium for identifying marking information of fastener two-dimensional drawing |
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