AutoCAD DXF (Drawing Interchange Format, or Drawing Exchange Format) is a CAD data file format developed by Autodesk for enabling data interoperability between AutoCAD and other programs.
DXF was originally introduced in December 1982 as part of AutoCAD 1.0, and was intended to provide an exact representation of the data in the AutoCAD native file format, DWG (Drawing), for which Autodesk did not — and, as of 2008, does not — publish specifications. Autodesk now publishes specifications on its website for versions of DXF dating from AutoCAD Release 13 (November 1994) to AutoCAD 2008 (March 2007).
Versions of AutoCAD from Release 10 (October 1988) and up support both ASCII and binary forms of DXF. Earlier versions support only ASCII.
As AutoCAD has become more powerful, supporting more complex object types, DXF has become less useful. Certain object types, including ACIS solids and regions, are not documented. Other object types, including AutoCAD 2006's dynamic blocks, and all of the objects specific to the vertical-market versions of AutoCAD, are partially documented, but not well enough to allow other developers to support them.
Almost all significant commercial application software developers, including all of Autodesk's competitors, choose to support DWG as their primary format for AutoCAD data interoperability, using libraries from the Open Design Alliance — a non-profit industry consortium which has reverse-engineered the DWG file format.
Monday, March 10, 2008
TopSolid:
TopSolid is a 3D computer-aided design (CAD) software which is edited and developed by the company Missler Software. At the outset the software worked on Unix machines whereas today it works exclusively on Windows PCs.
The TopSolid range of software includes a whole family of software: from the more general, mechanical oriented (TopSolid’Design) to job specific solutions: sheet metal (TopSolid’Fold), wood (TopSolid’Wood), toolmaking: TopSolid’Mold for mold makers and TopSolid’Progress for press tool designers. TopSolid also incorporates an integrated Computer-aided_manufacturing (CAM) line of products: Mechanical machining (TopSolid’Cam), sheet metal (TopSolid’PunchCut), wood (TopSolid’WoodCam), wire electroerosion (TopSolid’Wire). TopSolid also incorporates a 2D draft module (TopSolid’Draft) and a structural calculation module (TopSolid’Castor).
TopSolid is, therefore, a CAD/CAM solution based on the geometric modeller ParaSolid. It is, of course, capable of reading and creating files in all available formats as well as in such formats as Catia and ParaSolid.
TopSolid is sold worldwide and has been rated as the 2nd CAD/CAM editor in France behind Dassault Systèmes (software Catia and SolidWorks). It has been rated as the 1st French CAM editor and is ranked among the Top 10 CAD/CAM editors worldwide and is the fastest growing CAD CAM Company in 2007. The speciality of TopSolid'Cam lies in Multi Axis Machining popularly 5 axis machining and Mill Turn, twin Spindle, twin turret Technology.
TopSolid is a 3D computer-aided design (CAD) software which is edited and developed by the company Missler Software. At the outset the software worked on Unix machines whereas today it works exclusively on Windows PCs.
The TopSolid range of software includes a whole family of software: from the more general, mechanical oriented (TopSolid’Design) to job specific solutions: sheet metal (TopSolid’Fold), wood (TopSolid’Wood), toolmaking: TopSolid’Mold for mold makers and TopSolid’Progress for press tool designers. TopSolid also incorporates an integrated Computer-aided_manufacturing (CAM) line of products: Mechanical machining (TopSolid’Cam), sheet metal (TopSolid’PunchCut), wood (TopSolid’WoodCam), wire electroerosion (TopSolid’Wire). TopSolid also incorporates a 2D draft module (TopSolid’Draft) and a structural calculation module (TopSolid’Castor).
TopSolid is, therefore, a CAD/CAM solution based on the geometric modeller ParaSolid. It is, of course, capable of reading and creating files in all available formats as well as in such formats as Catia and ParaSolid.
TopSolid is sold worldwide and has been rated as the 2nd CAD/CAM editor in France behind Dassault Systèmes (software Catia and SolidWorks). It has been rated as the 1st French CAM editor and is ranked among the Top 10 CAD/CAM editors worldwide and is the fastest growing CAD CAM Company in 2007. The speciality of TopSolid'Cam lies in Multi Axis Machining popularly 5 axis machining and Mill Turn, twin Spindle, twin turret Technology.
Alibre Design:
Alibre Design is a parametric feature-based three-dimensional Solid modeling CAD software created by Alibre, Inc.
Overview:
Alibre Design is a mechanical engineering and design CAD tool capable of creating complex 3D models, assemblies, and 2D drawings. Alibre Design is a parametric, feature-based modeler allowing users to create intelligent 3D design using parameters for dimensions that can be varied at any time, and common engineering features such as holes, chamfers and fillets. Features also incorporate parameters, such as the diameter or radius of a hole, in addition to other inherent attributes such as whether a hole is countersunk or counterbored. Another common property of a hole, or a "cut," which is a feature of arbitrary shape that removes material, is its depth. For instance, a hole or cut can be a "through all" causing it to always pass completely though a part no matter what its thickness.
Product Family:
The Alibre Design product family consists of four products.
*Alibre Design Xpress
* Alibre Design
* Alibre Design Professional
* Alibre Design Expert
Alibre Design is a parametric feature-based three-dimensional Solid modeling CAD software created by Alibre, Inc.
Overview:
Alibre Design is a mechanical engineering and design CAD tool capable of creating complex 3D models, assemblies, and 2D drawings. Alibre Design is a parametric, feature-based modeler allowing users to create intelligent 3D design using parameters for dimensions that can be varied at any time, and common engineering features such as holes, chamfers and fillets. Features also incorporate parameters, such as the diameter or radius of a hole, in addition to other inherent attributes such as whether a hole is countersunk or counterbored. Another common property of a hole, or a "cut," which is a feature of arbitrary shape that removes material, is its depth. For instance, a hole or cut can be a "through all" causing it to always pass completely though a part no matter what its thickness.
Product Family:
The Alibre Design product family consists of four products.
*Alibre Design Xpress
* Alibre Design
* Alibre Design Professional
* Alibre Design Expert
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