CN111310263B - Fitment visual surface selection method and device, storage medium and electronic equipment - Google Patents
Fitment visual surface selection method and device, storage medium and electronic equipment Download PDFInfo
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Abstract
The embodiment of the invention relates to a decoration visual surface selection method, a device, a storage medium and electronic equipment, wherein the method comprises the following steps: acquiring a decoration component entity, traversing each surface in the decoration component entity, and acquiring a sampling point on the surface; acquiring a preset direction of a surface where the sampling point is located, and constructing a detection ray according to the preset direction and a sampling position corresponding to the sampling point for detection; searching the most recently intersected decoration components according to the detection rays, and judging whether the most recently intersected decoration components meet the visual condition according to the distance and the type; if yes, combining all the sub-faces meeting the visual conditions, combining all the faces meeting the visual conditions, and returning to the selected visual face.
Description
Technical Field
The embodiment of the invention relates to the technical field of decoration engineering, in particular to a method and a device for selecting a decoration visible surface, a storage medium and electronic equipment.
Background
With the continuous development of computers, the field of computer modeling of decoration engineering is more and more adopting an automatic method to complete more works, such as automatically identifying cad to create a three-dimensional model, automatically arranging a hanging rod, and the like. One of which is the need to arrange a finished painted surface.
The decoration model comprises a ceiling, a ground, a wall surface, lines, lamps, air openings and the like attached to the ceiling, the ground and the wall surface. In modeling software such as revit, a ceiling, a ground and a wall are drawn by means of plates, walls and the like, and are entities with thickness, each entity has a plurality of surfaces, not all places need to be painted, but the surfaces which can be seen by people when moving indoors under normal conditions need to be painted, the invisible places are hidden surfaces, no need to be painted, and if a part can be seen, the whole surfaces need to be painted.
The paint surface is also called a visual surface, and how to define whether a business method is seen is not clear, because people move during the observation process, and it is difficult to describe. So at present, no mode of automatically searching for a paint brushing surface exists, but a user manually draws or marks a paint brushing range on a model, so that the efficiency is poor, and the labor cost is high.
Disclosure of Invention
In view of the above, in order to solve the above technical problems or some technical problems, embodiments of the present invention provide a method, an apparatus, a storage medium, and an electronic device for selecting a decoration visual surface.
In a first aspect, an embodiment of the present invention provides a method for selecting a decorative visual surface, where the method includes:
acquiring a decoration component entity, traversing each surface in the decoration component entity, and acquiring a sampling point on the surface;
acquiring a preset direction of a surface where the sampling point is located, and constructing a detection ray according to the preset direction and a sampling position corresponding to the sampling point for detection;
searching the most recently intersected decoration components according to the detection rays, and judging whether the most recently intersected decoration components meet the visual condition according to the distance and the type;
if yes, combining all the sub-faces meeting the visual conditions, combining all the faces meeting the visual conditions, and returning to the selected visual face.
In an alternative embodiment, the traversing each face of the trim component entity obtains an on-face sampling point, including:
traversing each face of the finishing member entity, deducting building and finishing members;
and traversing each subtracted surface in the decoration component entity to obtain an on-surface sampling point.
In an alternative embodiment, the subtractive building and finishing member comprises:
buckling and subtracting the intersected building and finishing components.
In an optional implementation manner, the acquiring the preset direction of the surface where the sampling point is located includes:
acquiring the tangential direction of the surface where the sampling point is located;
the detecting rays are constructed according to the preset direction and the sampling positions corresponding to the sampling points to detect, and the method comprises the following steps:
and constructing detection rays according to the tangential direction and the sampling positions corresponding to the sampling points for detection.
In a second aspect, an embodiment of the present invention provides a decoration visual surface selecting device, including:
the entity acquisition module is used for acquiring decoration component entities, traversing each surface in the decoration component entities and acquiring surface sampling points;
the detection module is used for acquiring a preset direction of the surface where the sampling point is located, and constructing detection rays according to the preset direction and the sampling position corresponding to the sampling point for detection;
the judging module is used for searching the most recently intersected decoration components according to the detection rays and judging whether the most recently intersected decoration components meet the visual condition according to the distance and the type;
and the visual surface returning module is used for merging all the sub-surfaces meeting the visual conditions, merging the fonts of all the surfaces meeting the visual conditions and returning the selected visual surfaces if the visual surfaces meet the visual conditions.
In an alternative embodiment, the entity acquisition module includes:
the buckling-subtracting submodule is used for traversing each face of the decoration member entity, buckling-subtracting the building and the decoration member;
and the sampling point acquisition sub-module is used for traversing each subtracted surface in the decoration component entity to acquire the sampling points on the surface.
In an alternative embodiment, the deduction submodule is specifically configured to:
buckling and subtracting the intersected building and finishing components.
In an alternative embodiment, the detection module is specifically configured to:
acquiring the tangential direction of the surface where the sampling point is located;
the detection module is specifically used for:
and constructing detection rays according to the tangential direction and the sampling positions corresponding to the sampling points for detection.
In a third aspect, an embodiment of the present invention provides a storage medium storing one or more programs executable by one or more processors to implement the foregoing decoration visual surface selection method.
In a fourth aspect, an embodiment of the present invention provides an electronic device, including: the processor is used for executing the decoration visual surface selection program stored in the memory so as to realize the decoration visual surface selection method.
According to the technical scheme provided by the embodiment of the invention, through acquiring the decoration component entity, traversing each surface in the decoration component entity, acquiring the surface sampling point, acquiring the preset direction of the surface where the sampling point is located, constructing a detection ray according to the preset direction and the sampling position corresponding to the sampling point for detection, searching the latest intersected decoration component according to the detection ray, judging whether the latest intersected decoration component meets the visual condition according to the distance and the type, if so, merging all the sub-surfaces meeting the visual condition, merging the surfaces meeting the visual condition, and returning the selected visual surface. So can effectively improve efficiency through automatic mode, reduce the human cost.
Drawings
In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present description, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic flow chart of a method for selecting a decorative visual surface according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a selected visual surface according to an embodiment of the present invention;
FIG. 3 is a schematic view of a decoration visual surface selecting device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
For the purpose of facilitating an understanding of the embodiments of the present invention, reference will now be made to the following description of specific embodiments, taken in conjunction with the accompanying drawings, which are not intended to limit the embodiments of the invention.
Because the existing manual drawing mode of the user is low in working efficiency and high in labor cost, in order to improve efficiency and reduce labor cost, the embodiment of the invention provides a technical scheme for quickly and automatically searching a visual surface (namely a paint brushing surface):
sampling points on the surface of the decoration framework entity are obtained by sampling the surface of the decoration framework entity; detecting outwards along the normal direction of the surface through the sampling point, and considering the surface to be visible if the visible condition (the visible condition of the specific component is different) is met; if all the detection points do not meet the condition, the invisible surface is considered, and paint is not brushed.
In the embodiment of the present invention, the detection mode (i.e., visual condition) of each component is defined in detail:
1) Ceiling: by a point on the surface, detection is directed outwards, if blocked, detection is continued downwards, if unobstructed (space is considered large enough) during detection, or ground is found, then it is considered visible.
2) Ground surface: the detection is carried out outwards through the points on the surface of the ceiling, if blocked, the detection is continued upwards, and if the detection is carried out without blocking (the space is considered to be large enough), or the ceiling is found, the detection is considered to be visible.
3) Wall surface: the points passing through the wall face are detected outwards, and if blocked, the points can be divided into vertical detection lines and non-vertical detection lines. The vertical detection lines continue to detect along the positive direction and the negative direction of the xy direction by 4 defense lines. The horizontal line, if blocked, continues to be detected in the left-right direction of the line. Any detection line in the process is firstly detected downwards if blocked, and then the detection is continued. Until the ground is found, it is considered visible.
For the selection algorithm of sampling points, grid sampling is taken as a main part, random side sampling is taken as an auxiliary part, and the advantages of the two sampling algorithms are utilized from the sub-part. The specific operation is that random edge sampling is continued only when the actual number of effective points of the grid sampling points is lower than 3.
TABLE 1
As shown in fig. 1, a schematic implementation flow chart of a decoration visual surface selection method provided by an embodiment of the invention, the method specifically may include the following steps:
step 1, acquiring a decoration member entity, namely an incoming decoration entity shown in fig. 1;
step 2, traversing each surface of the decoration component entity, and deducting the intersected building and the decoration component;
step 3, traversing each buckled and subtracted surface in the decoration component entity to obtain a sampling point on the surface;
step 4, obtaining a preset direction of the surface where each sampling point is located, which may specifically be obtaining a tangential direction of the surface where each sampling point is located;
step 5, constructing a detection ray according to the preset direction and the sampling position corresponding to the sampling point to detect specifically, and constructing a detection ray according to the tangential direction and the sampling position corresponding to the sampling point to detect;
step 6, searching the most recently intersected decoration members according to the detection rays, and judging whether the most recently intersected decoration members meet the visual condition according to the distance and the type;
step 7, if yes, merging all the sub-faces meeting the visual condition, merging the faces of all the faces meeting the visual condition, and returning to the selected visual face, as shown in fig. 2;
and 8, if the detection result is not met, continuing to acquire new sampling points and directions on the detected rays.
Through the description of the technical scheme provided by the embodiment of the invention, through acquiring the decoration component entity, traversing each surface in the decoration component entity, acquiring the surface sampling point, acquiring the preset direction of the surface where the sampling point is located, constructing a detection ray according to the preset direction and the sampling position corresponding to the sampling point for detection, searching the most recently intersected decoration component according to the detection ray, judging whether the most recently intersected decoration component meets the visual condition according to the distance and the type, if so, merging all the sub-surfaces meeting the visual condition, merging the characters of all the surfaces meeting the visual condition, and returning to the selected visual surface. So can effectively improve efficiency through automatic mode, reduce the human cost.
With respect to the method embodiment, the embodiment of the invention also provides an embodiment of a decoration visible surface selecting device, as shown in fig. 3, the device may include: the system comprises an entity acquisition module 310, a detection module 320, a judgment module 330 and a visual surface return module 340.
An entity obtaining module 310, configured to obtain decoration component entities, traverse each surface of the decoration component entities, and obtain an on-surface sampling point;
the detection module 320 is configured to obtain a preset direction of a surface where the sampling point is located, and construct a detection ray according to the preset direction and a sampling position corresponding to the sampling point for detection;
a judging module 330, configured to find a most recently intersected decoration member according to the detected ray, and judge whether the most recently intersected decoration member meets a visual condition according to a distance and a type;
and the visual surface returning module 340 is configured to, if the visual conditions are met, combine all the sub-surfaces meeting the visual conditions, combine all the surfaces meeting the visual conditions, and return the selected visual surface.
In a specific implementation manner of the embodiment of the present invention, the entity obtaining module 310 includes:
a deduction sub-module 311 for traversing each face of the finishing member entity, deducting building and finishing members;
the sampling point obtaining sub-module 312 is configured to traverse each subtracted surface in the decoration component entity to obtain an on-surface sampling point.
In a specific implementation manner of the embodiment of the present invention, the deduction submodule 311 is specifically configured to:
buckling and subtracting the intersected building and finishing components.
In a specific implementation of the embodiment of the present invention, the detection module 320 is specifically configured to:
acquiring the tangential direction of the surface where the sampling point is located;
the detection module is specifically used for:
and constructing detection rays according to the tangential direction and the sampling positions corresponding to the sampling points for detection.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and an electronic device 400 shown in fig. 4 includes: at least one processor 401, memory 402, at least one network interface 404, and other user interfaces 403. The various components in the mobile terminal 400 are coupled together by a bus system 405. It is understood that the bus system 405 is used to enable connected communications between these components. The bus system 405 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for clarity of illustration the various buses are labeled as bus system 405 in fig. 4.
The user interface 403 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, a trackball, a touch pad, or a touch screen, etc.).
It will be appreciated that the memory 402 in embodiments of the invention can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile memory may be a Read-only memory (ROM), a programmable Read-only memory (ProgrammableROM, PROM), an erasable programmable Read-only memory (ErasablePROM, EPROM), an electrically erasable programmable Read-only memory (ElectricallyEPROM, EEPROM), or a flash memory, among others. The volatile memory may be a random access memory (RandomAccessMemory, RAM) that acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic random access memory (DynamicRAM, DRAM), synchronous dynamic random access memory (SynchronousDRAM, SDRAM), double data rate synchronous dynamic random access memory (DoubleDataRateSDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (EnhancedSDRAM, ESDRAM), synchronous link dynamic random access memory (SynchlinkDRAM, SLDRAM), and direct memory bus random access memory (DirectRambusRAM, DRRAM). The memory 402 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
In some implementations, the memory 402 stores the following elements, executable units or data structures, or a subset thereof, or an extended set thereof: an operating system 4021 and application programs 4022.
The operating system 4021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application programs 4022 include various application programs such as a media player (MediaPlayer), a Browser (Browser), and the like for realizing various application services. A program for implementing the method of the embodiment of the present invention may be included in the application program 4022.
In the embodiment of the present invention, the processor 401 is configured to execute the method steps provided in the method embodiments by calling a program or an instruction stored in the memory 402, specifically, a program or an instruction stored in the application program 4022, for example, including: acquiring a decoration component entity, traversing each surface in the decoration component entity, and acquiring a sampling point on the surface; acquiring a preset direction of a surface where the sampling point is located, and constructing a detection ray according to the preset direction and a sampling position corresponding to the sampling point for detection; searching the most recently intersected decoration components according to the detection rays, and judging whether the most recently intersected decoration components meet the visual condition according to the distance and the type; if yes, combining all the sub-faces meeting the visual conditions, combining all the faces meeting the visual conditions, and returning to the selected visual face.
The method disclosed in the above embodiment of the present invention may be applied to the processor 401 or implemented by the processor 401. The processor 401 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in the processor 401 or by instructions in the form of software. The processor 401 described above may be a general purpose processor, a digital signal processor (DigitalSignalProcessor, DSP), an application specific integrated circuit (ApplicationSpecificIntegratedCircuit, ASIC), an off-the-shelf programmable gate array (FieldProgrammableGateArray, FPGA) or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software elements in a decoding processor. The software elements may be located in a random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory 402, and the processor 401 reads the information in the memory 402 and, in combination with its hardware, performs the steps of the above method.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For a hardware implementation, the processing units may be implemented within one or more application specific integrated circuits (ApplicationSpecificIntegratedCircuits, ASIC), digital signal processors (DigitalSignalProcessing, DSP), digital signal processing devices (dspev), programmable logic devices (ProgrammableLogicDevice, PLD), field programmable gate arrays (Field-ProgrammableGateArray, FPGA), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented by means of units that perform the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
The electronic device provided in this embodiment may be an electronic device as shown in fig. 4, and may perform all steps of the decoration visual surface selection method as shown in fig. 1, so as to achieve the technical effects of the decoration visual surface selection method as shown in fig. 1, and the detailed description is omitted herein for brevity.
The embodiment of the invention also provides a storage medium (computer readable storage medium). The storage medium here stores one or more programs. Wherein the storage medium may comprise volatile memory, such as random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, hard disk, or solid state disk; the memory may also comprise a combination of the above types of memories.
When one or more programs are stored in the storage medium, the one or more programs can be executed by one or more processors to implement the decoration visual surface selection method executed on the decoration visual surface selection device side.
The processor is configured to execute a decoration visual surface selection program stored in the memory, so as to implement the following steps of a decoration visual surface selection method executed on a decoration visual surface selection device side:
acquiring a decoration component entity, traversing each surface in the decoration component entity, and acquiring a sampling point on the surface; acquiring a preset direction of a surface where the sampling point is located, and constructing a detection ray according to the preset direction and a sampling position corresponding to the sampling point for detection; searching the most recently intersected decoration components according to the detection rays, and judging whether the most recently intersected decoration components meet the visual condition according to the distance and the type; if yes, combining all the sub-faces meeting the visual conditions, combining all the faces meeting the visual conditions, and returning to the selected visual face.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative elements and steps are described above generally in terms of function in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, in a software module executed by a processor, or in a combination of the two. The software modules may be disposed in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A method of selecting a decorative visual surface, the method comprising:
acquiring a decoration component entity, traversing each surface in the decoration component entity, and acquiring a sampling point on the surface;
acquiring a preset direction of a surface where the sampling point is located, and constructing a detection ray according to the preset direction and a sampling position corresponding to the sampling point for detection;
searching the most recently intersected decoration components according to the detection rays, and judging whether the most recently intersected decoration components meet the visual condition according to the distance and the type;
if yes, combining all the sub-faces meeting the visual condition, combining the literals of all the faces meeting the visual condition, returning to the selected visual face,
when the decoration member is a ceiling, detecting outwards through points on the surface, if blocked, continuing to detect downwards, and if no blocking exists in the detection process or the ground is found, considering to be visible;
when the decoration component is the ground, detecting outwards through points on the surface, if blocked, continuing to detect upwards, and if no blocking exists in the detection process, or a canopy is found, considering to be visible;
when the decoration component is a wall surface, the point through the wall surface is detected outwards, if the detection is stopped, the vertical detection line continues to detect along the positive direction and the negative direction of the xy direction, and the horizontal detection line continues to detect along the left and right directions of the line until the ground is found, and the detection is considered visible.
2. The method of claim 1, wherein said traversing each face of the trim component entity obtains an on-face sampling point, comprising:
traversing each face of the finishing member entity, deducting building and finishing members;
and traversing each subtracted surface in the decoration component entity to obtain an on-surface sampling point.
3. The method of claim 2, wherein said subtracting building and finishing elements comprises:
buckling and subtracting the intersected building and finishing components.
4. The method of claim 1, wherein the step of determining the position of the substrate comprises,
the obtaining the preset direction of the surface where the sampling point is located includes: acquiring the tangential direction of the surface where the sampling point is located;
the detecting rays are constructed according to the preset direction and the sampling positions corresponding to the sampling points to detect, and the method comprises the following steps: and constructing detection rays according to the tangential direction and the sampling positions corresponding to the sampling points for detection.
5. A decorative visual surface selection device, said device comprising:
the entity acquisition module is used for acquiring decoration component entities, traversing each surface in the decoration component entities and acquiring surface sampling points;
the detection module is used for acquiring a preset direction of the surface where the sampling point is located, and constructing detection rays according to the preset direction and the sampling position corresponding to the sampling point for detection;
the judging module is used for searching the most recently intersected decoration components according to the detection rays and judging whether the most recently intersected decoration components meet the visual condition according to the distance and the type;
a visual surface returning module for combining all the sub-surfaces meeting the visual condition if meeting, combining all the surfaces meeting the visual condition, returning the selected visual surface,
when the decoration member is a ceiling, detecting outwards through points on the surface, if blocked, continuing to detect downwards, and if no blocking exists in the detection process or the ground is found, considering to be visible;
when the decoration component is the ground, detecting outwards through points on the surface, if blocked, continuing to detect upwards, and if no blocking exists in the detection process, or a canopy is found, considering to be visible;
when the decoration component is a wall surface, the point through the wall surface is detected outwards, if the detection is stopped, the vertical detection line continues to detect along the positive direction and the negative direction of the xy direction, and the horizontal detection line continues to detect along the left and right directions of the line until the ground is found, and the detection is considered visible.
6. The apparatus of claim 5, wherein the entity acquisition module comprises:
the buckling-subtracting submodule is used for traversing each face of the decoration member entity, buckling-subtracting the building and the decoration member;
and the sampling point acquisition sub-module is used for traversing each subtracted surface in the decoration component entity to acquire the sampling points on the surface.
7. The apparatus of claim 6, wherein the subtraction sub-module is specifically configured to:
buckling and subtracting the intersected building and finishing components.
8. The apparatus of claim 5, wherein the detection module is specifically configured to:
acquiring the tangential direction of the surface where the sampling point is located;
the detection module is specifically used for: and constructing detection rays according to the tangential direction and the sampling positions corresponding to the sampling points for detection.
9. An electronic device, comprising: a processor and a memory, the processor being configured to execute a decorative visual surface selection program stored in the memory to implement the decorative visual surface selection method of any one of claims 1 to 4.
10. A storage medium storing one or more programs executable by one or more processors to implement the decorative visual surface selection method of any one of claims 1-4.
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