Method and system for generating two-dimensional engineering drawing from three-dimensional model, storage medium and equipment
A technology of two-dimensional engineering drawings and three-dimensional models, which is applied in the field of generating two-dimensional engineering drawings from three-dimensional models, can solve the problems of long waiting time, large workload of blanking algorithms, affecting the work efficiency of designers, and achieves faster processing speed and efficiency. high effect
Pending Publication Date: 2022-03-08
STATE GRID ECONOMIC TECH RES INST CO +2
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Problems solved by technology
Especially when the substation model covers a lot of equipment, the workload of the blanking algorithm is huge, and the generation of 2D engineering drawings from the 3D model requires a long waiting time, which greatly affects the work efficiency of designers
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[0017] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.
[0018] In the first embodiment of the present invention, as figure 1 As shown, a method for generating a two-dimensional engineering drawing from a three-dimensional model is provided, which includes:
[0019] Step 1. Lightweight the 3D model;
[0020] Delete tiny components whose size is smaller than the set threshold, and delete sub-components with no surface directly exposed to the air...
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The invention relates to a method and system for generating a two-dimensional engineering drawing through a three-dimensional model, a storage medium and equipment. The method comprises the steps that the three-dimensional model is subjected to lightweight processing; determining an insertion base point of the three-dimensional model after lightweight processing; taking the insertion base point as a positioning point, obtaining each view of the three-dimensional model, and storing the view into a database; sectioning the three-dimensional model, and selecting a spatial range in which a picture needs to be output; and performing two-dimensional replacement on the selected three-dimensional model after sectioning according to the selected view direction, and printing a drawing. According to the method, the two-dimensional engineering drawing can be quickly and efficiently generated from the three-dimensional model, and the efficiency is relatively high. The order of the high-order blanking algorithm is reduced, and the processing speed is increased. The method can be widely applied to the technical field of three-dimensional modeling of power transmission and transformation projects.
Description
technical field [0001] The invention relates to the technical field of three-dimensional modeling of power transmission and transformation engineering, in particular to a method, system, storage medium and equipment for generating a two-dimensional engineering drawing from a three-dimensional model. Background technique [0002] In the engineering design industry, from the perspective of historical development, the design method has achieved two major changes. One is in the mid-1990s, with the popularization of computer technology, the original manual hand-painted design gradually developed into Carry out two-dimensional layout design; second, with the continuous development of computer hardware and software technology, two-dimensional layout design is gradually replaced by three-dimensional layout design and automatic drawing. [0003] Compared with 2D engineering drawings, 3D models cover richer spatial information. In the process of converting the 3D model into a 2D engi...
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Login to View More IPC IPC(8): G06F30/13G06T17/00G06T11/00
CPCG06F30/13G06T17/00G06T11/00
Inventor 官澜董建政胡君慧谢子骏文卫兵李本良景天
Owner STATE GRID ECONOMIC TECH RES INST CO