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CAD apparatus, method of editing graphic data

A computer-aided, graphic data technology, applied in computer-aided design, computing, electrical and digital data processing, etc., can solve problems such as low work efficiency, different methods, and problems.

Inactive Publication Date: 2008-06-11
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, since the CAD devices disclosed in Japanese Patent Laid-Open No. 9-101982 and Japanese Patent Laid-Open No. 2004-46396 enable designers to edit graphic data by simply dividing graphic data into layers, there exists a The operator's operation to edit graphic data becomes complicated and the possibility of lowering work efficiency
[0005] In addition, the use of each layer cannot be quantitatively limited, so the way of using layers varies from person to person
Potential for problems if a third person were to modify the graphic data, or if the graphic was to be used in a subsequent processing operation

Method used

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  • CAD apparatus, method of editing graphic data
  • CAD apparatus, method of editing graphic data
  • CAD apparatus, method of editing graphic data

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Embodiment Construction

[0044] Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following embodiments, the present invention will be described taking a CAD apparatus for an electrical system as an example; however, as in the case of a CAD apparatus for an electrical system, the present invention applies to CAD apparatuses for various application systems Equally valid.

[0045] Graphic data used in the CAD apparatus according to the present embodiment includes a plurality of layers as shown in FIG. 1 . Specifically, the graphic data includes: a layer including a circuit diagram that is the basis for a drawing of an electrical system; a layer including various annotations about the circuit diagram; a layer including various constraints for designing the circuit diagram; including a design rule check (DRC) A layer that includes the results of the analysis; a layer that includes analysis results obtained by a simulator; ...

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Abstract

The invention discloses a CAD apparatus and a method for editing graphic data. The CAD apparatus includes a layer displaying unit, a graphic-element converting unit, and an element restoring unit. The layer displaying unit displays elements included in each of layers that form graphic data onto a display unit in a superposed manner. The graphic-element converting unit converts an element included in a first layer that forms the graphic data into a graphic element, and moves converted graphic element to a second layer that forms the graphic data. The element restoring unit restores a converted graphic element into a state before graphic element conversion.

Description

technical field [0001] The present invention generally relates to computer-aided design (CAD) techniques. In particular, the present invention relates to editing graphics data comprising multiple layers. Background technique [0002] CAD devices have been widely used to improve the efficiency of design work. In addition, graphic data created with the CAD apparatus is used for subsequent processing operations such as manufacturing processing, thereby further improving efficiency. In CAD, a drawing is sometimes created by dividing it into layers. [0003] For example, Japanese Patent Laid-Open No. 9-101982 discloses a technique of dividing a picture into layers including common parts and layers including non-common parts. On the other hand, Japanese Patent Laid-Open No. 2004-46396 discloses a technical idea that facilitates maintenance of graphic data by inputting drawing frame information, building frame information, component information, and size information into each in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F17/50G06F2217/74G06F30/00G06F2111/12
Inventor 中村武雄
Owner FUJITSU LTD