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Three-dimensional tower modeling method based on contour input

A tower and contour technology, applied in the field of 3D tower model production based on contour input, can solve the problems of low design efficiency, heavy workload, complex composition, etc., and achieve the effect of simple and intuitive design, accurate 3D tower modeling, and rapid design

Pending Publication Date: 2022-03-08
ZHEJIANG UNIV
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Problems solved by technology

The composition of pole towers is relatively complicated, and generally requires professional designers to realize the modeling. Usually, CAD software is used for design, which has a large workload and low design efficiency, and it is difficult to meet the needs of rapid digital modeling of transmission lines

Method used

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  • Three-dimensional tower modeling method based on contour input
  • Three-dimensional tower modeling method based on contour input
  • Three-dimensional tower modeling method based on contour input

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Embodiment Construction

[0046] The method of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific examples.

[0047] A three-dimensional tower modeling method based on wheel input, its general steps refer to figure 1 :

[0048] Step 1: Draw the two-dimensional outline of the tower on the computer screen with a mouse or a drawing pen. The contour line refers to the outer contour line of the tower, which is a polygon composed of a series of polylines. Contour lines are drawn in the same way as polylines are drawn. The shape of the outline needs to be similar to the shape of the real tower, but the size does not have to match the real tower size.

[0049]For the convenience of positioning, when drawing the outline of the tower, a center line is displayed on the screen, indicating the center of symmetry of the tower. When drawing a contour line, it is usually drawn with a point on the center line as the starting point. When drawin...

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Abstract

The invention discloses a three-dimensional tower modeling method based on contour input, and the method comprises the steps: drawing a two-dimensional contour shape of a tower in a sketch manner, automatically recognizing the type of the drawn tower and the composition, structure and constraint of each part in combination with a preset two-dimensional shape template library of various types of towers, and carrying out the modeling of the tower through a parameterization method. According to the method, the structure and size parameters of each component of the tower are accurately set, so that diagonal materials and auxiliary materials in each component are determined, and finally, a high-precision three-dimensional tower model is automatically generated according to the obtained two-dimensional tower shape. According to the method, the difficulty of three-dimensional modeling of the power transmission line tower can be reduced, the design efficiency of modeling is improved, and the requirement for rapid digitization of the power transmission line is met.

Description

technical field [0001] The invention relates to a three-dimensional modeling method of a tower, in particular to a method for making a three-dimensional tower model based on contour input. Background technique [0002] The pole tower is one of the basic equipment in the overhead power distribution line. It is a pole-shaped or tower-shaped structure that supports the overhead transmission line conductor and the overhead ground wire and keeps a certain distance between them and the ground. With the development of computer graphics and computer-aided design technology, the digitalization of transmission lines is becoming more and more popular. In the digitalization of transmission lines, the 3D modeling of towers is an important part. The composition of towers is relatively complex, and generally requires professional designers to realize modeling. Usually, CAD software is used for design, which has a large workload and low design efficiency, and it is difficult to meet the ne...

Claims

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Application Information

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IPC IPC(8): G06F30/17G06T17/00G06F111/04
CPCG06F30/17G06T17/00G06F2111/04
Inventor 张东亮张婷王洛迪
Owner ZHEJIANG UNIV
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