CN113450458B - Data conversion system, method and device of household parametric model and storage medium - Google Patents
Data conversion system, method and device of household parametric model and storage medium Download PDFInfo
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Abstract
The application discloses a data conversion system, a method, a device and a storage medium of a home parameterized model, which relate to the technical field of data processing, wherein the data conversion system comprises: a component constructor for transforming the parameterized model into a component tree structure adapted to the 2D transformation system; a data converter for constructing 2D data according to the component tree structure; the parameter constructor is used for extracting service information parameters in the parameterized model; the data assembler is used for constructing a 2D tree structure according to the component tree structure and filling 2D data and service information parameters in the 2D tree structure; and the hardware topology module is used for determining a hardware legend and a transformation matrix according to the hardware topology relation and filling the legend and the transformation matrix into the 2D tree structure. The problem of during 2D conversion, data can have and lose or wrong among the prior art is solved, the effect that can accurately obtain the 2D data of the parameterization model of different visual angles, improvement data conversion degree of accuracy has been reached.
Description
Technical Field
The invention relates to a data conversion system, a data conversion method, a data conversion device and a storage medium of a home parameterized model, and belongs to the technical field of computer data processing.
Background
In the home design, after a designer finishes design, drawing data of a designed 3D drawing is generally required to be converted into 2D (2 dimensional) data, in a 2D system, a product needs to make some transformations on 2D geometric features, dimension reduction of 2D data which is not pure 3D data is also accompanied with addition, deletion, modification and the like of some information, and data loss or data errors often occur in the existing scheme during data conversion.
Disclosure of Invention
The invention aims to provide a data conversion system, a data conversion method, a data conversion device and a storage medium of a home parameterized model, which are used for solving the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
according to a first aspect, an embodiment of the present invention provides a data transformation system for a home parameterized model, where the data transformation system includes:
the system comprises a component constructor, a parameter constructor, a data converter, a data assembler and a hardware topology module;
the component constructor is used for converting the parameterized model into a component tree structure which is adapted to the 2D conversion system;
the data converter is used for constructing 2D data according to the component tree structure;
the parameter constructor is used for extracting service information parameters in the parameterized model;
the data assembler is used for constructing a 2D tree structure according to the component tree structure and filling the 2D data and the service information parameters in the 2D tree structure;
and the hardware topology module is used for determining a hardware legend and a transformation matrix according to the hardware topology relation, and filling the legend and the transformation matrix into the 2D tree structure.
Optionally, the data converter is configured to extract 3D data from the component tree structure, where the 3D data includes 3D surface data and 3D line data; and converting the 3D data into the 2D data corresponding to the parameterized model.
Optionally, the data converter is configured to extract data of at least one of a plane, a cylindrical surface, a conical surface, a Nurbs curved surface, a straight line, an arc, and an elliptic arc of each node in the component tree structure, so as to obtain the 3D data.
Optionally, the data converter is configured to project or cut the 3D data to obtain the 2D data.
In a second aspect, a data conversion method for a household parameterized model is provided, and the method includes:
obtaining a parameterized model;
transforming the parameterized model into a component tree structure adapted to a 2D transformation system;
constructing 2D data according to the component tree structure;
extracting service information parameters in the parameterized model;
constructing a 2D tree structure according to the component tree structure, and filling the 2D data and the service information parameters in the 2D tree structure;
and determining a legend and a transformation matrix of hardware according to the hardware topological relation, and filling the legend and the transformation matrix into the 2D tree structure.
Optionally, the constructing 2D data according to the component tree structure includes:
extracting 3D data from the component tree structure, the 3D data including 3D surface data and 3D line data;
and converting the 3D data into the 2D data corresponding to the parameterized model.
Optionally, the extracting 3D data from the component tree structure includes:
and extracting at least one of the data of the plane, the cylindrical surface, the conical surface, the Nurbs curved surface, the straight line, the circular arc and the elliptic arc of each node in the component tree structure to obtain the 3D data.
Optionally, the converting the 3D data into the 2D data corresponding to the parameterized model includes:
and projecting or sectioning the 3D data to obtain the 2D data.
In a third aspect, a data conversion apparatus for a home parameterized model is provided, the apparatus includes a memory and a processor, the memory stores at least one program instruction, and the processor loads and executes the at least one program instruction to implement the method described above.
In a fourth aspect, there is provided a computer storage medium having stored therein at least one program instruction for loading and execution by a processor to implement a method as described above.
By providing a data conversion system, the data conversion system includes: the system comprises a component constructor, a parameter constructor, a data converter, a data assembler and a hardware topology module; the component constructor is used for converting the parameterized model into a component tree structure which is adapted to the 2D conversion system; the data converter is used for constructing 2D data according to the component tree structure; the parameter constructor is used for extracting service information parameters in the parameterized model; the data assembler is used for constructing a 2D tree structure according to the component tree structure and filling the 2D data and the service information parameters in the 2D tree structure; and the hardware topology module is used for determining a legend and a transformation matrix of hardware according to the hardware topology relation, and filling the legend and the transformation matrix into the 2D tree structure. The problem of among the prior art when carrying out the 2D conversion, data can have and lose or have the mistake is solved, reached and to obtain the 2D data of the parameterization model of different visual angles accurately, improved the effect of data conversion degree of accuracy.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a data conversion system of a home parameterized model according to an embodiment of the present invention;
fig. 2 is a working schematic diagram of a data conversion system of a home parameterized model according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for converting data of a home parameterized model according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, a schematic structural diagram of a data conversion system of a home parameterized model provided in an embodiment of the present application is shown, and as shown in fig. 1, the data conversion system includes:
the system comprises a component constructor (Element constructor), a parameter constructor, a data converter, a data assembler and a hardware topology module;
the component constructor is used for converting the parameterized model into a component tree structure which is adapted to the 2D conversion system;
in this embodiment, the parameterized model is a home parameterized model, and may include a parameter system and a component system. The parameters can support various parameter types and value types, the parameter types can be shaping, floating point type, character string, boolean type, multi-Boolean type, material, contour, style and the like, and the value types can be interval, increment, fixed value, formula, compound formula and the like; the component system is formed by connecting an initial component (a special-shaped plate, lofting, gridding, spline curve, sweep beveling and the like), a hardware model and a parameterized model by a structure of a directed graph. The component system embodies the space geometry of the parameterized model, and the space geometry of the parameterized model is mainly determined by the shape, position, rotation, and scaling of the components themselves. For example, the special-shaped cuboid is formed by operations of chamfering, digging, chamfering and the like based on the cuboid, and more forms are constructed; the grids are formed by cutting off a part of the corners by sweeping and beveling support according to the shape of the grids at the splicing part of the cuboid, so that the splicing process is supported; the hardware model is purely 3D mesh data and supports special shapes. In practice, the basic shape of each part is different for different parts, but the shape bottom layer uses plane, cylinder, cone, nurbs (Non-Uniform Rational B-Splines), curved surface, etc.
Optionally, the component constructor transforms the parameterized model into a component tree structure adapted to the 2D transformation system by coordinate system transformation, component merging, structure mapping, virtual element construction, array dispersion, and the like.
The data converter is used for constructing 2D data according to the component tree structure.
The data converter is used for extracting 3D data from the component tree structure, wherein the 3D data comprises 3D surface data and 3D line data; and converting the 3D data into the 2D data corresponding to the parameterized model.
The data converter is used for extracting at least one of data of a plane, a cylindrical surface, a conical surface, a Nurbs curved surface, a straight line, a circular arc and an elliptical arc of each node in the component tree structure to obtain the 3D data.
And the data converter is used for projecting or sectioning the 3D data to obtain the 2D data. Optionally, when the 2D data is obtained, depth information of the data is recorded.
And the parameter constructor is used for extracting the service information parameters in the parameterized model.
And the data assembler is used for constructing a 2D tree structure according to the component tree structure and filling the 2D data and the service information parameters in the 2D tree structure.
The data assembler constructs an empty 2D tree structure according to the component tree structure, and the constructed 2D tree structure ensures that the relationship among the components is complete. After obtaining the empty 2D tree structure, the 2D data, the service information parameters, and the depth information are filled into the 2D tree structure.
And the hardware topology module is used for determining a hardware legend and a transformation matrix according to the hardware topology relation, and filling the legend and the transformation matrix into the 2D tree structure.
The hardware model refers to 3Dmesh data for supporting a plurality of special shapes, and the illustration of the hardware refers to a specific shape.
Referring to fig. 2, which shows a working principle diagram of the data transformation system according to the present application, as shown in fig. 2, a component constructor constructs an Element-Tree (component Tree) according to a parameterized model and a projection plane. Then, the data converter extracts 2D Geometry (data) according to the Element-Tree, the data assembler constructs a 2D Tree structure, and assembles the extracted 2D Geometry. The parameter constructor extracts service information parameters according to the Element-Tree, and the extracted service information parameters comprise rules, auxiliary parameters and orientation; and the hardware topology module extracts the legend and the transformation matrix, and then injects the extracted service information parameters, the legend and the transformation matrix into the 2D tree structure, so as to obtain the final corresponding 2D data of the parameterized model.
In one possible embodiment of the application, the parameterized model is assumed to be a modeling door panel M, wherein the modeling door panel M comprises three sub-nodes, a door core C1 built by an irregular cuboid, a modeling C2 built by sweeping, and a hardware handle C3 led in; a set of parameters P1, P2, P3. Then, the component constructor converts the M into an Element tree structure E of the 2D conversion system, wherein the E comprises three sub-nodes which are respectively an E1, a line E2 and a hardware handle E3 of the special-shaped cuboid; a set of parameters P1', P2', P4', P5'; the data assembler constructs an empty 2D Tree structure 2D-Tree according to the Element number structure E, extracts 3D surfaces of all nodes of the E, and projects 3D lines to obtain 2D data; wherein, the father node E extracts {, }, E1 extracts { face3d [ ], }, E2 extracts {, curve3d [ ] }, E3 extracts {, }, wherein the data extracted by E and E3 are both empty. And then, carrying out projection sectioning on the extracted data to obtain corresponding 2D data, including 2D contours and 2D lines. And filtering all hardware nodes by the hardware topology module, and performing spatial data topology respectively to obtain a 2D legend and a 2-dimensional transformation matrix m used on the projection surface. Thereafter, the 2D data, the service information parameters, the 2D legend, and the transformation matrix m are padded to the 2D-Tree.
In another possible embodiment of the application, the parameterized model is assumed to be a table top C, seven sub nodes contained in the table top C are table top blocks C1, C2 and C3 of an irregular cuboid respectively, front water retaining W1, W2 and W3 for lofting construction and rear water retaining S1 for lofting construction; a set of parameters P1, P2, P3. Then: the component constructor converts C into a 2D Element tree structure E, and the table surface Element E comprises water-retaining elements W1', W2', W3', W4' and cutting lines L1 and L2; a set of parameters P1', P2'. The data assembler constructs an empty 2D-Tree according to an Element Tree structure, extracts 3D surfaces of all nodes of E, projects 3D lines, extracts { face3D, } water-retaining elements W1', W2', W3', W4' {, curve3D } from a father node E, and extracts {, curve3D } from cutting lines L1 and L2. And then, carrying out projection sectioning on the extracted data to obtain corresponding 2D data including 2D contours and 2D lines, and filling the 2D data and parameters into a 2D-Tree.
In summary, by providing a data conversion system, the data conversion system includes: the system comprises a component constructor, a parameter constructor, a data converter, a data assembler and a hardware topology module; the component constructor is used for converting the parameterized model into a component tree structure adapted to the 2D conversion system; the data converter is used for constructing 2D data according to the component tree structure; the parameter constructor is used for extracting service information parameters in the parameterized model; the data assembler is used for constructing a 2D tree structure according to the component tree structure and filling the 2D data and the service information parameters in the 2D tree structure; and the hardware topology module is used for determining a hardware legend and a transformation matrix according to the hardware topology relation, and filling the legend and the transformation matrix into the 2D tree structure. The problem of during 2D conversion, data can have and lose or wrong among the prior art is solved, the effect that can accurately obtain the 2D data of the parameterization model of different visual angles, improvement data conversion degree of accuracy has been reached.
Referring to fig. 3, a flowchart of a method for converting data of a home parameterized model according to an embodiment of the present application is shown, and as shown in fig. 3, the method includes:
and step 306, determining a legend and a transformation matrix of hardware according to the hardware topological relation, and filling the legend and the transformation matrix into the 2D tree structure.
Optionally, the constructing 2D data according to the component tree structure includes:
extracting 3D data from the component tree structure, the 3D data including 3D surface data and 3D line data;
and converting the 3D data into the 2D data corresponding to the parameterized model.
Optionally, the extracting 3D data from the component tree structure includes:
and extracting at least one of the data of the plane, the cylindrical surface, the conical surface, the Nurbs curved surface, the straight line, the circular arc and the elliptic arc of each node in the component tree structure to obtain the 3D data.
Optionally, the converting the 3D data into the 2D data corresponding to the parameterized model includes:
and projecting or sectioning the 3D data to obtain the 2D data.
It should be noted that the specific implementation of each step is similar to the specific implementation of the data conversion system in the foregoing embodiment, and details of the technology are referred to in the foregoing embodiment and are not described herein again.
An embodiment of the present application further provides a data conversion apparatus for a home parameterized model, where the apparatus includes a memory and a processor, where the memory stores at least one program instruction, and the processor loads and executes the at least one program instruction to implement the method described above.
An embodiment of the present application also provides a computer storage medium having at least one program instruction stored therein for loading and execution by a processor to implement the method as described above.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A data conversion system of a home parameterized model is characterized by comprising:
the system comprises a component constructor, a parameter constructor, a data converter, a data assembler and a hardware topology module;
the component constructor is used for converting the parameterized model into a component tree structure which is adapted to the 2D conversion system;
the data converter is used for constructing 2D data according to the component tree structure;
the parameter constructor is used for extracting business information parameters in the parameterized model, and the business information parameters comprise rules, auxiliary parameters and orientation;
the data assembler is used for constructing a 2D tree structure according to the component tree structure and filling the 2D data and the service information parameters in the 2D tree structure;
and the hardware topology module is used for determining a hardware legend and a transformation matrix according to the hardware topology relation, and filling the legend and the transformation matrix into the 2D tree structure.
2. The data conversion system of claim 1,
the data converter is used for extracting 3D data from the component tree structure, wherein the 3D data comprises 3D surface data and 3D line data; and converting the 3D data into the 2D data corresponding to the parameterized model.
3. The data conversion system of claim 2,
the data converter is used for extracting at least one of data of a plane, a cylindrical surface, a conical surface, a Nurbs curved surface, a straight line, an arc and an elliptic arc of each node in the component tree structure to obtain the 3D data.
4. The data conversion system of claim 2,
and the data converter is used for projecting or sectioning the 3D data to obtain the 2D data.
5. A data conversion method of a household parameterized model is characterized by comprising the following steps:
obtaining a parameterized model;
converting the parameterized model into a component tree structure adapted to a 2D conversion system;
constructing 2D data according to the component tree structure;
extracting service information parameters in the parameterized model, wherein the service information parameters comprise rules, auxiliary parameters and orientation;
constructing a 2D tree structure according to the component tree structure, and filling the 2D data and the service information parameters in the 2D tree structure;
and determining a legend and a transformation matrix of hardware according to the hardware topological relation, and filling the legend and the transformation matrix into the 2D tree structure.
6. The method of claim 5, wherein constructing 2D data from the component tree structure comprises:
extracting 3D data from the component tree structure, the 3D data including 3D surface data and 3D line data;
and converting the 3D data into the 2D data corresponding to the parameterized model.
7. The method of claim 6, wherein extracting 3D data from the component tree structure comprises:
and extracting at least one of the data of the plane, the cylindrical surface, the conical surface, the Nurbs curved surface, the straight line, the circular arc and the elliptic arc of each node in the component tree structure to obtain the 3D data.
8. The method of claim 6, wherein the converting the 3D data into the 2D data corresponding to the parameterized model comprises:
and projecting or sectioning the 3D data to obtain the 2D data.
9. A data transformation device for a home parameterized model, the device comprising a memory and a processor, the memory storing at least one program instruction, and the processor loading and executing the at least one program instruction to implement the method according to any one of claims 5 to 8.
10. A computer storage medium having stored therein at least one program instruction for loading and execution by a processor to perform the method of any of claims 5 to 8.
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