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High-speed simple spiral curve schematic diagram drawing method

A drawing method and schematic diagram technology, applied in the computer field, can solve the problems of cumbersome calculations and incapable high-speed execution of graphics processing software, so as to improve work efficiency and save man-hours

Active Publication Date: 2020-09-08
天津汉江流科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The calculation of this method is cumbersome, and the curve parameters must be calculated in advance from the external dimensions provided by the manufacturer. This method cannot be executed at high speed by graphics processing software.

Method used

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  • High-speed simple spiral curve schematic diagram drawing method
  • High-speed simple spiral curve schematic diagram drawing method
  • High-speed simple spiral curve schematic diagram drawing method

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Embodiment Construction

[0049] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0050] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...

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PUM

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Abstract

The invention provides a high-speed simple spiral curve schematic diagram drawing method. The method comprises the steps of: obtaining the spiral curve axis position of a machine type and the distancefrom the axis to the upper, lower, left and right sides; and calculating the approximate contour description of the spiral curve by the three arcs. By utilizing the method disclosed by the invention,the working hours required for writing a complex curve graph calculation program can be saved, and the working efficiency is improved; by utilizing the method disclosed by the invention, the workinghours for asking a manufacturer for a CAD two-dimensional diagram of an individual model can be completely saved, and the working efficiency is improved; by utilizing the method disclosed by the invention, the working hours for extracting the curved surface arc data from the obtained CAD two-dimensional diagram can be completely saved, and the working efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of computers, and in particular relates to a high-speed simple spiral curve schematic diagram drawing method. Background technique [0002] Engineering and equipment assembly drawings often require complex shape structures, and one of the typical geometric figures is the drawing of spiral curves / surfaces. The most typical one is the fan shape. Especially in HVAC engineering design, fans with helical curve shapes are used in many places. [0003] At present, most equipment manufacturers only provide the outline dimensions of various equipment models, but do not / cannot provide 2D or 3D data of curved surfaces. [0004] This problem brings many limitations to the system drawing work in equipment integration engineering (such as HVAC engineering design). [0005] At present, in order to realize the establishment of editable equipment graphics with spiral surfaces and curves in engineering projects, the follow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/17
CPCG06F30/17
Inventor 杨首都
Owner 天津汉江流科技有限公司