History

CAD with the CAD

2D versus 3D

According to the software the term 2D can represent either the zone of put in plan, or a limitation with two dimensions of the workspace 3D . This limitation of space can be used, for example temporarily to facilitate the space construction of the elements, or a permanent way for the safeguard of a plane kinematics in a space 3D.

If the passage 3D with the 2D does not pose any more any problem, the opposite is less obvious. Research is in hand and soon it will be possible automatically to recover the old plans on copies.

Although the representation 2D of models 3D is controlled perfectly, and that it is very easy to obtain sights " plane" of a model or an assembly 3D visually valid for the neophyte, the put in plan, is always hard. Poor relation of the CAD, the setting in plan sorrow to evolve/move, even strongly regresses for certain software.

Standard interchange formats

• DWG ( Drawing ) (2D)
• DXF ( Drawing eXchange Format ) (2D)
• IGES ( Initial Graphic Exchange Standard ) (3D)
• SET (Standard of Exchange and Transfer)
• STEP ( STandard for the Exchange off Product model dated English ) (3D)
• VDA-FS ( Verband der Automobilindustrie-Flächenschnittstelle in German)

Software

One can quote (alphabetically):

• AutoCAD /MDT,
• ACIS, geometrical core of the company Dassault Systems
• Brlcad, distributed under license LPG
• CADAM, created by the american company Lockheed, repurchased by the company Dassault Systems,
• CADKEY/KEYCREATOR
• CATIA, published by the French company Dassault Systèmes is a Logiciel of CAD very much used in the Industrie (initially conceived specifically for the Aéronautique, but more widely diffused today in particular in auto industry than it dominates).
• EUCLID, of the French company Matra Datavision,
• I-deas, of american company UGS
• Inventor (Inventor 2D and 3D), of the american company Autodesk
• Microstation of the american company Bentley
• OneSpaceDesigner of the company CoCreate
• Open CASCADE open source, high level
• Pro/Engineer, of the american company Parametric Technology Corporation (PTC)
• Rhinoceros, of Robert McNeel&Associates
• Sketchup
• SolidEdge (Wikipedia in), of the company UGS
• Solidworks, of the company Dassault Systems
• StudioTools, of the company Alias (Autodesk)
• TopSolid, of the French company Missler Software
• Tribon
• Thinkdesign, of the company Think3
• Unigraphics, of company UGS
• Visionael, of the american company Sun

See too

• software of CAD

External bonds

• National center of Resources Mechanical engineering Computer-assisted (CNR-CMAO), France

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