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Dimension marking method for CAD and device thereof

A dimensioning and dimensioning technology, applied in special data processing applications, instruments, electrical and digital data processing, etc., can solve the problems of low efficiency of dimensioning methods, and achieve the effect of improving speed, improving efficiency and overcoming low efficiency.

Active Publication Date: 2009-10-21
CAXA TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to provide a dimensioning method and device for CAD to solve the problem of low efficiency of existing dimensioning methods

Method used

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  • Dimension marking method for CAD and device thereof
  • Dimension marking method for CAD and device thereof
  • Dimension marking method for CAD and device thereof

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Embodiment Construction

[0025] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0026] figure 1 A flow chart showing a dimensioning method for CAD drawing according to an embodiment of the present invention includes the following steps:

[0027] Step S10, accepting the user's selection of graphic elements in the CAD drawing;

[0028] Step S20, identifying the graphic entity type for the selected graphic entity, which realizes the automatic identification of the graphic entity type;

[0029] Step S30, identifying the size of the selected graphic element according to the identified graphic element type, which realizes intelligent size matching;

[0030] In step S40, the identified dimension is marked on the dimension positioning point selected by the user, which realizes the generation and marking of the dimension.

[0031] Dimensioning is usually a link with a heavy workload, and improving the efficiency of di...

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Abstract

The invention provides a dimension marking method for CAD. The method comprises the following steps: receiving primitive selection of a user in CAD drawing; identifying a primitive type of the selected primitive; identifying dimension of the selected primitive according to the identified primitive type; and marking the identified dimension on a dimension locating point. The invention also provides a dimension marking device for CAD. The method and device help improve efficiency of dimension marking in the CAD drawing, thus improving velocity of the CAD drawing.

Description

technical field [0001] The present invention relates to the field of CAD (Computer Aided Design, computer-aided design), in particular to a dimensioning method and device for CAD. Background technique [0002] In the process of using CAD software to draw, it is necessary to mark the dimensions of each graphic element generated by the drawing. In the existing CAD technology, the primitives that need to be dimensioned are divided into multiple primitive types (such as straight lines, circles, arcs, ellipses, splines, polylines, etc.), and multiple dimensioning entries are used to Realize the annotation of different dimension types. Dimensions can be divided into linear dimension, diameter dimension, radius dimension, great arc dimension, angle dimension, arc length dimension and other dimension types according to the dimension information expressed. [0003] Existing CAD uses multiple dimensioning entries, so before dimensioning, the user must first determine the specific di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 刘爱军武琳璞李刚
Owner CAXA TECH
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