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Geometric modeling method and device for building

A technology of geometric modeling and architecture, applied in 3D modeling, image data processing, instruments, etc., can solve the problems of complex and troublesome use

Active Publication Date: 2019-07-05
GLODON CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the general body is basically used to directly model the building body without encapsulation, so it is very complicated and troublesome to use

Method used

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  • Geometric modeling method and device for building
  • Geometric modeling method and device for building
  • Geometric modeling method and device for building

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] see figure 1 , Embodiment 1 of the present invention provides a geometric modeling method of a building body, the method includes the following steps:

[0080] (1) Determine the business parameter information for three-dimensional modeling of the building body.

[0081]The building body is the basic unit of the building, such as: wall, beam, plate, column, etc., and the whole building is composed of these basic units.

[0082] Parametric design of buildings is a method of architectural design. The core idea of ​​this method is to turn all the elements of architectural design into variables of a certain function. By changing the function, or changing the algorithm, we can obtain different Architectural modeling scheme. This method is simply understood as a method that can automatically generate a design scheme through computer technology. The real parametric design is a method of selecting parameters to establish a program and transforming architectural design issues ...

Embodiment 2

[0105] Embodiment 2 of the present invention provides a method for geometrically modeling a wall according to the method of Embodiment 1.

[0106] For buildings, walls are the most widely used, and how to build walls quickly is very important. At the same time, for other building objects, such as: columns, beams, slabs, stairs and other building objects, it is also necessary to use this method for rapid construction.

[0107] The geometrical modeling method of described body of wall comprises:

[0108] (1) Determine the business parameter information for three-dimensional modeling of the wall.

[0109] The business parameter information includes:

[0110] 1) Curve data of the wall: CCurve2d*pCurve2d;

[0111] 2) The thickness from the curve to the left side of the wall: double dLeftWidth;

[0112] 3) Wall thickness: double dWallWidth;

[0113] 4) The inclination angle of the wall: double dLeftAngle, the inclination angle is expressed in radians, the left inclination of th...

Embodiment 3

[0128] Embodiment 3 of the present invention provides a method for geometric modeling of earthwork grading bodies performed in the manner of Embodiment 1.

[0129] The geometrical modeling method of described earthwork grading body comprises:

[0130] (1) Determine the business parameter information for 3D modeling of the earthwork grading body.

[0131] The business parameter information includes:

[0132] 1) Three-dimensional Cartesian coordinate system: CCoordinates3d&placement;

[0133] 2) lower bottom surface: CPolygon*pPolygon, the lower bottom surface can be a two-dimensional area of ​​any shape;

[0134] 3) Grading height: double dHeight;

[0135] 4) Grading width of each side: double*pdWidths.

[0136] (2) Converting the business parameter information of the earthwork grading body into general parameter information required for modeling the boundary representation body (Brep body).

[0137] To construct objects in the shape of earthwork grading bodies, the bounda...

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Abstract

The invention discloses a geometric modeling method and device for a building. The method comprises the following steps of determining the business parameter information of the three-dimensional modeling of the building; converting the business parameter information into the general parameter information required by general body modeling; and based on the converted general parameter information, constructing a general body according to a modeling method of the general body, and constructing a three-dimensional model of the building by using the general body. According to the method and the device, the three-dimensional modeling of the complex building is simply and quickly realized.

Description

technical field [0001] The invention belongs to the technical field of architectural design, and in particular relates to a geometric modeling method and device for a building body. Background technique [0002] In the prior art, the definition of geometric topology data used for the modeling of 3D model geometry is generally as follows: [0003] Definition of geometric topology: [0004] 1) Two-dimensional curve (Curve 2D); [0005] 2) Three-dimensional curve (Curve 3D); [0006] 3) surface (Surface); [0007] 4) vertex (Vertex); [0008] 5) Edge (Edge); [0009] 6) Face (Face); [0010] 7) Body. [0011] Definition of a geometric general solid: [0012] 1) Extrude Body; [0013] 2) Revolve Body; [0014] 3) Sweep Body; [0015] 4) Cube (Cubic Body); [0016] 5) Polyhedron (Polyhydron Body); [0017] 6) Boundary representation body (Brep Body, which can represent an object of any shape). [0018] The above definition is a common way to define geometry that has...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/10
CPCG06T17/10
Inventor 王舒浩刘晓栋苏军辉
Owner GLODON CO LTD
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