CN108287963B - Automatic calculation method, device, equipment and medium for size and placement position - Google Patents
Automatic calculation method, device, equipment and medium for size and placement position Download PDFInfo
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- CN108287963B CN108287963B CN201810057631.5A CN201810057631A CN108287963B CN 108287963 B CN108287963 B CN 108287963B CN 201810057631 A CN201810057631 A CN 201810057631A CN 108287963 B CN108287963 B CN 108287963B
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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
- G06F30/17—Mechanical parametric or variational design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
Abstract
The invention discloses a method and a device for automatically calculating size and placement position, a terminal device and a computer readable storage medium, wherein the method comprises the following steps: setting a placing plane; determining a placing area according to a preset two-dimensional coordinate system and two placing points selected on the placing plane; acquiring the length size and the width size of the placement area based on the preset two-dimensional coordinate system; based on the length size and the width size of the placement area, acquiring a maximum length size and a width size which are smaller than the length size and the width size of the placement area from a standard size database to serve as the length size and the width size of the cuboid part; according to place regional mid point and length width direction and confirm the position of placing of cuboid part, the size of automatic determination cuboid part and place the position reduce loaded down with trivial details manual operation, improve development efficiency, promote user's use and experience.
Description
Technical Field
The present invention relates to the field of computer graphics, and in particular, to a method and an apparatus for automatically calculating a size and a placement position, a terminal device, and a computer-readable storage medium.
Background
The mould is used for moulding plastics in the industrial production, fashioned instrument in batches such as die-casting, the mould comprises hundreds of different parts, the shape of part is mostly the cuboid (for example wear-resisting piece, the balancing piece etc.), and the mould part is numerous, place the position of above-mentioned cuboid part crowded, during the design mould drawing, generally need the user to measure this measuring area's long direction and width direction size with measuring tool at the region that will place the cuboid part earlier, the manual work is opened the function selection of cuboid part again and is less than the cuboid part size specification of placing the regional long wide size, the plane is placed in the reselection, confirm the horizontal and vertical direction of cuboid part again, confirm again and place the point, the drawing of final completion cuboid part.
Referring to fig. 1, in the conventional method for determining and placing the size of the rectangular solid part, the measurement function is first turned on, the distance from the measurement point B1 to the point A3 is 38.5, the distance between the measurement points B2 and a2 is 27.6, the measurement function is turned off, the user records the size measurement, the rectangular solid part function is turned on, the size smaller than 38.5 × 27.6 is found in the rectangular solid part size list, the user selects the standard size of 25 × 35, selects the placement surface, selects whether the rectangular solid is in the horizontal direction or the vertical direction, specifies the placement position of the midpoint of the rectangular solid, and the rectangular solid part is completely drawn.
The three-dimensional software measuring tool is complex to operate (for example, a mouse operation click for drawing a cuboid part needs more than 12 times as shown in figure 1), the size of a placing area can be measured only by clicking the mouse more than 6 times, a user needs to record the measured size and then select the size smaller than the length and the width of the placing area in a cuboid drawing function, the operation is easy to be wrong, repeated operation is caused, and the efficiency is low.
Because the operation is complicated, in the actual design process, designers can directly draw the size of the cuboid in a placing area at will for faster design, so that the size of the cuboid part is the size of a non-standard part, the size of the non-standard part cannot buy a standard part in the market, and the part can only be ordered, and the ordered cost is very high and runs counter to the current popular standardized design concept.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a method and an apparatus for automatically calculating a size and a placement position, a terminal device, and a computer-readable storage medium, which automatically determine the size and the placement position of a rectangular part, reduce tedious manual operations, improve development efficiency, and improve user experience.
In a first aspect, an embodiment of the present invention provides an automatic calculation method for a size and a placement position, including the following steps:
setting a placing plane;
determining a placing area according to a preset two-dimensional coordinate system and two placing points selected on the placing plane;
acquiring the length size and the width size of the placement area based on the preset two-dimensional coordinate system;
based on the length size and the width size of the placement area, acquiring a maximum length size and a width size which are smaller than the length size and the width size of the placement area from a standard size database to serve as the length size and the width size of the cuboid part;
and determining the placement position of the cuboid part according to the midpoint and the length and width directions of the placement area.
In a first implementation manner of the first aspect, the determining a placement area according to a preset two-dimensional coordinate system and two placement points selected on the placement plane specifically includes:
and determining a rectangular placement area according to a diagonal line formed by the two selected placement points on the placement plane based on a preset two-dimensional coordinate system.
In a second implementation manner of the first aspect, the method further includes:
and according to the obtained length size and width size of the cuboid part, obtaining a first height size corresponding to the length size and the width size from a standard size database.
According to the second implementation manner of the first aspect, in a third implementation manner of the first aspect, the method further includes:
and drawing the model corresponding to the cuboid part in the placement area according to the length size, the width size and the height size of the cuboid and the placement position of the cuboid part.
According to a third implementation form of the first aspect, in a fourth implementation form of the first aspect, the model of the drawn rectangular parallelepiped part is a three-dimensional wire frame model.
According to a fourth implementation manner of the first aspect, in a fifth implementation manner of the first aspect, the middle point of the placement area is taken as a base point position of the cuboid part, and a three-dimensional dynamic coordinate system is displayed at the base point position.
According to a fifth implementation manner of the first aspect, in a sixth implementation manner of the first aspect, the method further includes:
and displaying dynamic editing size towing rods corresponding to the length, width and height of the cuboid respectively at the positions of the sides corresponding to the length, width and height of the drawn model of the cuboid part.
In a second aspect, an embodiment of the present invention provides an automatic size and placement position calculation apparatus, including:
a placing plane setting unit for setting a placing plane;
the placing area determining unit is used for determining a placing area according to a preset two-dimensional coordinate system and two placing points selected on the placing plane;
the area length and width acquisition unit is used for acquiring the length and width of the placement area based on the preset two-dimensional coordinate system;
a part length and width dimension acquiring unit, configured to acquire, based on the length dimension and the width dimension of the placement region, a maximum length dimension and a width dimension, which are smaller than the length dimension and the width dimension of the placement region, in a standard dimension database as the length dimension and the width dimension of the rectangular parallelepiped part;
and the part placing position acquiring unit is used for determining the placing position of the cuboid part according to the middle point and the length and width directions of the placing area.
In a third aspect, an embodiment of the present invention provides an automatic size and placement position calculation terminal device, which is characterized by including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor implements the automatic size and placement position calculation method according to any one of the above items when executing the computer program.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, where when the computer program runs, the apparatus where the computer-readable storage medium is located is controlled to execute the automatic calculation method for the size and the placement position described in any one of the above.
The embodiment of the invention provides a method and a device for automatically calculating the size and the placement position, a terminal device and a computer readable storage medium, and has the following beneficial effects:
firstly, setting a placing plane, then determining a placing area according to a preset two-dimensional coordinate system and two placing points selected on the placing plane, acquiring the length size and the width size of the placing area based on the preset two-dimensional coordinate system, and then based on the length size and the width size of the placing area, obtaining a maximum length dimension and a width dimension that are smaller than a length dimension and a width dimension of the placement area in a standard dimension database, with length dimension and the width dimension as the cuboid part, at last according to place regional mid point and length and width direction and confirm the position of placing of cuboid part, the length and width dimension of automatic determination cuboid part and place the position reduce loaded down with trivial details manual operation, and the material resources of using manpower sparingly avoid manual operation's error, reduce artificial error rate, improve drawing efficiency, promote user's use and experience.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of manual operation on a placement area provided by the background art.
Fig. 2 is a flowchart illustrating an automatic calculation method of the dimension and the placement position according to a first embodiment of the present invention.
Fig. 3 is a schematic diagram of the placement plane and the determination of the placement area provided by the first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an automatic calculating device for size and placement according to a fifth embodiment of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2, a first embodiment of the present invention provides a method for automatically calculating a size and a placement position, which can be executed by a terminal device, and includes the following steps:
s11, a setting plane is set.
In the embodiment of the present invention, the terminal device may be a desktop computer, a notebook, a palm computer, an intelligent tablet, a mobile terminal, or other computing devices.
In the embodiment of the invention, the placing plane can be manually selected by a user, the terminal device obtains the placing plane selected by the user so as to confirm which plane of the constructed mold model the user needs to draw the cuboid part model on, and the placing plane can also be automatically analyzed and set by the terminal device.
And S12, determining a placing area according to a preset two-dimensional coordinate system and the two placing points selected on the placing plane.
In the embodiment of the present invention, the two placement points are not located on the same horizontal straight line or the same vertical straight line at the same time, please refer to fig. 3, so that the terminal device forms a diagonal line according to the two placement points P1 and P2 selected on the placement plane based on the direction of the preset two-dimensional coordinate system, and then determines the rectangular placement area according to the formed diagonal line, and if the two placement points set by the user are located on the same horizontal straight line or the same vertical straight line, the terminal device sends a prompt to the user to notify the user that the second placement point is invalid, which requires the user to re-determine the second placement point.
And S13, acquiring the length and width of the placement area based on the preset two-dimensional coordinate system.
In the embodiment of the invention, after the terminal device determines the placement area according to the diagonal line formed by the two placement points, the length and width of the placement area are acquired by taking a preset two-dimensional coordinate system as a reference, so as to carry out the next process.
And S14, based on the length and width of the placing area, obtaining the maximum length and width which are smaller than the length and width of the placing area from a standard size database as the length and width of the cuboid part.
In the embodiment of the present invention, after the length and width dimensions of the placement area are obtained, the terminal device searches a standard dimension database for a maximum length and width dimensions that are smaller than the length and width dimensions of the placement area, for example, referring to fig. 3, obtains the dimension of the placement area as 38.5 × 27.6, and searches a standard dimension database for a cuboid that is smaller than the rectangular placement area and has a maximum length and width dimension of 25 × 35.
And S15, determining the placing position of the cuboid part according to the middle point and the length and width directions of the placing area.
In the embodiment of the present invention, the terminal device determines the placement position of the rectangular parallelepiped by using the midpoint of the rectangular placement region as the end point of the surface where the length and width of the rectangular parallelepiped is located, and using the vertical and horizontal directions of the rectangular placement region as the vertical and horizontal directions of the rectangular parallelepiped.
To sum up, the first embodiment of the present invention provides an automatic calculation method of a size and a placement position, which includes first setting a placement plane, then determining a placement area according to a preset two-dimensional coordinate system and two placement points selected on the placement plane, obtaining a length dimension and a width dimension of the placement area based on the preset two-dimensional coordinate system, obtaining a maximum length dimension and a width dimension smaller than the length dimension and the width dimension of the placement area in a standard size database based on the length dimension and the width dimension of the placement area to be used as the length dimension and the width dimension of a rectangular parallelepiped component, and finally determining a placement position of the rectangular parallelepiped component according to a midpoint and a length-width direction of the placement area, so as to automatically determine the length-width dimension and the placement position of the rectangular parallelepiped component, reduce tedious manual operations, and save manpower and material resources, the error of manual operation is avoided, the human error rate is reduced, the drawing efficiency is improved, and the use experience of a user is improved.
In order to facilitate an understanding of the invention, some preferred embodiments of the invention will now be described.
Second embodiment of the invention:
on the basis of the first embodiment of the present invention, the present invention further includes:
and according to the obtained length size and width size of the cuboid part, obtaining a first height size corresponding to the length size and the width size from a standard size database.
In the embodiment of the invention, after the terminal equipment acquires the length size and the width size corresponding to the cuboid part from the standard size database, the first height size corresponding to the length size and the width size is acquired, so that the problem that the length size and the width size cannot be determined due to a plurality of height values corresponding to the length size and the width size is solved.
Third embodiment of the invention:
on the basis of the second embodiment of the present invention, the present invention further includes:
according to the length size, the width size and the width size of the cuboid and the placement positions of the cuboid parts, the model corresponding to the cuboid parts is drawn in the placement area.
In the embodiment of the present invention, the terminal device draws a three-dimensional wire frame model corresponding to the rectangular parallelepiped part in the placement region according to the length size, the width size of the rectangular parallelepiped part, and the placement position of the rectangular parallelepiped part, and displays a three-dimensional dynamic coordinate system on the base point position by using the midpoint of the placement region as the base point position of the rectangular parallelepiped part, where the dynamic coordinate system can adjust the position of the corresponding axis by using the xyz axis of the mouse-dragged coordinate system. It should be noted that, when the cuboid part model is drawn, the coordinate value of the base point position is rounded to an integer, the three-dimensional wire frame model plays a role in previewing, and if the speed of previewing by using the solid model is slow, the working efficiency is affected.
The fourth embodiment of the present invention:
on the basis of the third embodiment of the present invention, the present invention further includes:
and displaying dynamic editing size towing rods corresponding to the length, width and height of the cuboid respectively at the positions of the sides corresponding to the length, width and height of the drawn model of the cuboid part.
In the embodiment of the invention, the terminal device respectively displays the dynamic edit size support rods corresponding to the length, the width and the height at the sides of the drawn cuboid model, so that a user can dynamically modify the length, the width and the height corresponding to the cuboid part model by dragging the dynamic edit size support rods through a touch device such as a mouse, a touch pad and the like or through direct touch of a device with a touch-sensitive surface, the user can conveniently modify the drawn cuboid part model in real time, and the use experience of the user is improved.
Referring to fig. 4, a fifth embodiment of the present invention provides an automatic calculating apparatus for size and placement position, comprising:
a placing plane setting unit 11 for setting a placing plane.
A placement area determining unit 12, configured to determine a placement area according to a preset two-dimensional coordinate system and two placement points selected on the placement plane.
And an area length and width obtaining unit 13, configured to obtain a length and a width of the placement area based on the preset two-dimensional coordinate system.
A part length and width dimension obtaining unit 14 configured to obtain, as the length dimension and the width dimension of the rectangular parallelepiped part, a maximum length dimension and a width dimension smaller than the length dimension and the width dimension of the placement region in a standard dimension database based on the length dimension and the width dimension of the placement region.
And the part placing position acquiring unit 15 is used for determining the placing position of the cuboid part according to the middle point and the length and width directions of the placing area.
In a first implementation manner of the fifth embodiment, the placement area determining unit 12 specifically includes:
and determining a rectangular placement area according to a diagonal line formed by the two selected placement points on the placement plane based on a preset two-dimensional coordinate system.
In a second implementation manner of the fifth embodiment, the method further includes:
and the height size acquisition unit is used for acquiring a first height size corresponding to the length size and the width size from a standard size database according to the acquired length size and the width size of the cuboid part.
According to the second implementation manner of the fifth embodiment, in the third implementation manner of the fifth embodiment, the method further includes:
and the model drawing unit is used for drawing the model corresponding to the cuboid part in the placement area according to the length size, the width size and the height size of the cuboid and the placement position of the cuboid part.
According to a third implementation of the fifth embodiment, in the fourth implementation of the fifth embodiment, the model of the drawn rectangular parallelepiped part is a three-dimensional wire frame model.
According to a fourth implementation manner of the fifth embodiment, in a fifth implementation manner of the fifth embodiment, a three-dimensional dynamic coordinate system is displayed at a base point position of the rectangular parallelepiped part by taking a midpoint of the placement region as the base point position.
According to a fifth implementation manner of the fifth embodiment, in a sixth implementation manner of the fifth embodiment, the method further includes:
and the tow bar display unit is used for respectively displaying dynamic editing size tow bars corresponding to the length, width and height of the cuboid at the positions of the sides corresponding to the length, width and height of the drawn cuboid part model.
A sixth embodiment of the present invention provides an automated computing terminal device of size and placement position. The automatic calculation terminal device of the size and the placement position of the embodiment includes: a processor, a memory, and a computer program stored in and executable on the memory, such as an automated calculation program of size and placement position. The processor, when executing the computer program, implements the steps in the above-described embodiments of the method for automatically calculating the respective sizes and placement positions, such as step S11 shown in fig. 2. Alternatively, the processor implements the functions of the modules/units in the above-described device embodiments, such as the placement plane setting unit 11, when executing the computer program.
Illustratively, the computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program in the automatic computing terminal device of the size and placement position.
The automatic computing terminal equipment with the size and the placement position can be computing equipment such as a desktop computer, a notebook computer, a palm computer and a cloud server. The automated computing end-point device of the size and placement location may include, but is not limited to, a processor, a memory. It will be appreciated by those skilled in the art that the above components are merely examples of the size and placement location automatic computing terminal device, and do not constitute a limitation on the size and placement location automatic computing terminal device, and may include more or less components than those described above, or some components in combination, or different components, for example, the size and placement location automatic computing terminal device may further include input-output devices, network access devices, buses, and the like.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the automatic calculation terminal equipment of the size and the placement position, and various interfaces and lines are used to connect the respective parts of the automatic calculation terminal equipment of the entire size and the placement position.
The memory may be used to store the computer programs and/or modules, and the processor may implement the various functions of the automatic computing terminal device of the size and placement position by running or executing the computer programs and/or modules stored in the memory and calling the data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as an image rendering function) required for at least one function, and the like; the storage data area may store data (such as size data) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein the modules/units integrated by the automatic computing terminal device of the size and placement position can be stored in a computer readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. An automatic calculation method for size and placement position is characterized by comprising the following steps:
setting a placing plane;
determining a rectangular placement area according to a diagonal line formed by the two selected placement points on the placement plane based on a preset two-dimensional coordinate system;
acquiring the length size and the width size of the placement area based on the preset two-dimensional coordinate system;
based on the length size and the width size of the placement area, acquiring a maximum length size and a width size which are smaller than the length size and the width size of the placement area from a standard size database to serve as the length size and the width size of the cuboid part;
and determining the placement position of the cuboid part according to the midpoint and the length and width directions of the placement area.
2. The method for automatically calculating the size and placement position according to claim 1, further comprising:
and according to the obtained length size and width size of the cuboid part, obtaining a first height size corresponding to the length size and the width size from a standard size database.
3. The method of automatically calculating the size and placement position of claim 2, further comprising:
and drawing the model corresponding to the cuboid part in the placement area according to the length size, the width size and the height size of the cuboid and the placement position of the cuboid part.
4. The method of claim 3, wherein the model of the rectangular parallelepiped part is a three-dimensional wire frame model.
5. The method according to claim 4, wherein a three-dimensional dynamic coordinate system is displayed at a base point position of the rectangular parallelepiped part with a midpoint of the placement region as the base point position.
6. The method of automatically calculating the size and placement position of claim 5, further comprising:
and displaying dynamic editing size towing rods corresponding to the length, width and height of the cuboid respectively at the positions of the sides corresponding to the length, width and height of the drawn model of the cuboid part.
7. An automated device for size and placement, comprising:
a placing plane setting unit for setting a placing plane;
the placing area determining unit is used for determining a rectangular placing area according to a diagonal line formed by two selected placing points on the placing plane based on a preset two-dimensional coordinate system;
the area length and width acquisition unit is used for acquiring the length and width of the placement area based on the preset two-dimensional coordinate system;
a part length and width dimension acquiring unit, configured to acquire, based on the length dimension and the width dimension of the placement region, a maximum length dimension and a width dimension, which are smaller than the length dimension and the width dimension of the placement region, in a standard dimension database as the length dimension and the width dimension of the rectangular parallelepiped part;
and the part placing position acquiring unit is used for determining the placing position of the cuboid part according to the middle point and the length and width directions of the placing area.
8. An automatic size and placement position calculation terminal device, comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the automatic size and placement position calculation method according to any one of claims 1 to 6 when executing the computer program.
9. A computer-readable storage medium, comprising a stored computer program, wherein the computer program, when executed, controls an apparatus in which the computer-readable storage medium is located to perform the method for automatically calculating the size and the placement position according to any one of claims 1 to 6.
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| 基于机器视觉的复杂形状模具尺寸测量;王冠英等;《计算机测量与控制》;20150325;第23卷(第3期);706-708 * |
| 基于机器视觉的机械零件二维尺寸检测系统研究;徐鹏;《中国优秀硕士学位论文全文数据库信息科技辑》;20151215(第12期);I138-686 * |
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