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Method and device for determining cutting plane of three-dimensional model

A three-dimensional model and determination method technology, applied in the field of drawing, can solve the problems of reducing the accuracy of the three-dimensional model cutting plane, affecting the research and analysis of the three-dimensional model, and the normal vector being unable to meet the user's demand for the three-dimensional model cutting plane, etc. Show the effect of diversity

Active Publication Date: 2021-10-19
深圳市毕美科技有限公司
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Problems solved by technology

[0004] In view of this, the present invention provides a method and device for determining a section plane of a three-dimensional model. The specific position, and the normal vector in a single direction cannot meet the user's needs for the cutting planes in different directions of the 3D model, which affects the research and analysis of the 3D model and reduces the accuracy of the cutting plane of the 3D model.

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  • Method and device for determining cutting plane of three-dimensional model
  • Method and device for determining cutting plane of three-dimensional model
  • Method and device for determining cutting plane of three-dimensional model

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Embodiment Construction

[0053] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0054] The embodiment of the present invention provides a method for determining the cutting plane of a three-dimensional model, such as figure 1 As shown, the method includes:

[0055] 101. After the user selects the construction plane of the 3D model to be sectioned and starts the sectioning operation, determine the normal vector parameters in any direction according to the click event triggered by the user.

[0056] Wherein, th...

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Abstract

The invention discloses a method and device for determining a section plane of a three-dimensional model, and relates to the technical field of drawing. The specific position of sectioning is required, and the normal vector in a single direction cannot meet the user's needs for sectioning planes in different directions of the 3D model. Main technical solution: After the user selects the construction plane of the 3D model to be sectioned and starts the sectioning operation, determine the normal vector parameters in any direction according to the click event triggered by the user, and the click event carries the plane of the 3D model to be sectioned Determine the displacement parameter according to the received moving distance; establish a section plane equation according to the normal vector parameter and the displacement parameter, generate a three-dimensional model section plane according to the section plane equation, and display it.

Description

technical field [0001] The invention relates to the technical field of drawing, in particular to a method and device for determining a cutting plane of a three-dimensional model. Background technique [0002] With the continuous development of Internet technology, the combination of web terminal and applications in different industries is becoming more and more common. Among them, using the web to realize lightweight browsing of engineering models has become a common drawing method for working technicians, so as to browse the cutting planes of engineering 3D models. [0003] At present, the current section drawing of the 3D model on the web side is to establish the normal vectors in the six directions of +x, -x, +y, -y, +z, and -z, and then construct the corresponding However, because the specific position that needs to be cut cannot be accurately indicated when dragging the mouse, and the normal vector in a single direction cannot meet the user's needs for cutting planes i...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T19/20
CPCG06T19/20
Inventor 魏朝凌冉体松徐琛
Owner 深圳市毕美科技有限公司
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