Difference between revisions of "AutoCAD DXF"

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(Some of the earlier sections are complete)
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[[Category:Engineering format]]
 
[[Category:Engineering format]]
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'''Title(s):''' [[Title::AutoCAD DXF]], [[Title::DXF File Format]], [[Title::Drawing Interchange Format]], [[Title::Drawing Exchange Format]]
  
'''Title(s):''' [[Title::AutoCAD DXF]], [[Title::Drawing Interchange Format]], [[Title::Drawing Exchange Format]], [[Title::Autodesk Drawing Interchange Format]]
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'''Version ID:''' [[Version ID::u19.1.01]]
  
'''Creator(s):''' [[Creator::Autodesk, Inc.]]
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'''Date released:''' [[Version Date released::January 2008]]
  
'''Contributor(s):''' [[Contributor::Autodesk, Inc.]]
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'''Date:''' [[Format Date::1982-12-??]]
  
'''Relationships:'''
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'''Creator(s):''' [[Creator::AutoDesk]] - Created as part of AutoCAD 1.0
  
* '''Family Format(s):''' [[Family Format::AutoCAD Format]]
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'''Contributor(s):''' [[Contributor::AutoDesk]]
  
'''Description:''' [[Description::The AutoCAD DXF format is designed for the proprietary application AutoCAD and also works with many other CAD applications.]]
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'''Description:''' [[Description::]] - The DXF file format is developed by AutoDesk and is used as a CAD file format. It was originally created as a way to increase interoperability between AutoCAD and other similar programs. The DXF file format was initially meant to provide exact representation of AutoCAD drawings which were natively stored in DWG(Drawing) format. Since AutoDesk did not release the DWG specification for some time, the DXF file format and the accompanying specification were meant to allow CAD drawings to be opened, edited, and exported by any CAD program.  
  
'''File Extensions:''' [[File Extension::dxf]]
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'''History:''' [[History::]] - Below is a short, bulleted history of the DXF file format.
  
'''Applications:'''
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* '''Previous Version(s):'''
  
* '''Native application(s):''' [[Native Application::AutoCAD DXF Format - AutoCAD]]
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* '''Contains:'''
  
* '''Interoperable applications:''' [[Interoperable Application::AutoCAD DXF Format - QCad]], [[Interoperable Application::AutoCAD DXF Format - Pro/ENGINEER]]
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* '''Syntax Format(s):'''
  
'''File classification:'''
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* '''Family Format(s):'''
* '''Geometric representation:'''
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*** '''Point set:'''
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'''Example(s):''' [[Example::Example Template]] - Information and example models of the engineering format.
**** '''Is Supported:''' [[File Classification Point Set - Is Supported::true]]
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** '''Mesh:'''
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'''Identifier:''' [[Identifier::]] - A URL or other identifier that refers to the engineering format.
*** '''Non-manifold meshes:'''
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**** '''Is Supported:''' [[File Classification Non-manifold Meshes - Is Supported::true]]
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'''Documentation:''' [[Documentation::Documentation Template]] - Information in general about the engineering format.
 +
 
 +
'''File Extensions:''' [[File Extension::]] - Extensions of the engineering format, excluding the dot.
 +
 
 +
'''Applications:''' - Applications that the engineering format uses.
 +
 
 +
* '''Native application(s):''' [[Native Application::Engineering Format Application Template]] - Applications which are primarily designed to specifically run this engineering format.
 +
 
 +
* '''Interoperable applications:''' [[Interoperable Application::Engineering Format Application Template]] - Applications which can read or write files of this format, but are not native applications for the format.
 +
 
 +
'''Magic numbers:''' [[Magic Numbers::]] - Unique identifying characters at the beginning of files for this engineering format.
 +
 
 +
'''Format(s):''' [[Format::]] - The MIME file types.
 +
 
 +
'''Rights:''' [[Rights::]] - The name or type of the license for the engineering format. Examples: BSD-style license, Apache License, Proprietary license
 +
 
 +
'''Sustainability Factors:''' - Facts about the sustainability of this particular engineering format.
 +
 
 +
* '''Standardization:''' [[Standardization::]] - Information regarding standardization attempts with this format.
 +
 
 +
* '''Adoption:''' [[Adoption::]] - Information about how this format has been adopted by other organizations.
 +
 
 +
** '''Licensing and patent claims:''' [[Licensing and patent claims::]] - Any licenses or patent claims that the engineering format makes.
 +
 
 +
* '''Self-documentation:''' [[Self-documentation::]] - Any self-documentation capabilities of the format.
 +
 
 +
* '''External dependencies:''' [[External dependencies::]] - Anything that the format depends on outside of its control to function.
 +
 
 +
* '''Technical protection considerations:''' [[Technical protection considerations::]] - Any considerations that are necessary when it comes to technical protection.
 +
 
 +
'''Typical use:''' [[Typical use::]] - Keywords that describe the format's typical use. Examples: CAD and CAM
 +
 
 +
'''File classification:''' - Specific properties that pertain to this engineering format.
 +
* '''Type {Binary, Text}:''' [[File Classification Type::]] - The type of file, choices are binary and text.
 +
* '''Raster data:''' - Section describes whether or not the engineering format supports raster data.
 +
** '''Raster data 2D:''' - Can the format support 2D raster data? Example: A format that can contain 2D pixelated data supports 2D raster data.
 +
*** '''Is Supported:''' [[File Classification Raster Data 2D - Is Supported::]] - Is the feature supported in the engineering format?
 +
*** '''Description:''' [[File Classification Raster Data 2D - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
** '''Raster data 3D:''' - Can the format support 3D raster data? Example: A format that can contain 2D pixelated data of a 3D model supports 3D raster data.
 +
*** '''Is Supported:''' [[File Classification Raster Data 3D - Is Supported::]] - Is the feature supported in the engineering format?
 +
*** '''Description:''' [[File Classification Raster Data 3D - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
* '''Geometric representation:''' - Section describes whether or not the engineering format supports geometric representations.
 +
** '''Implicit representation:''' - Section describes whether or not the engineering format supports implicit representations.
 +
*** '''Implicit surfaces:''' - Can the format support implicit surfaces? Example: A format that can contain surfaces that are generated with mathematical equations that contain the independent variables x, y, and z, like x^2 + y^2 + z^2 * R^2 = 0, supports implicit surfaces.
 +
**** '''Is Supported:''' [[File Classification Implicit Surfaces - Is Supported::]] - Is the feature supported in the engineering format?
 +
**** '''Description:''' [[File Classification Implicit Surfaces - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
*** '''Implicit curves:''' - Can the format support implicit curves? Example: A format that can contain curves that are generated with mathematical equations that contain the independent variables x, y, and z, supports implicit curves.
 +
**** '''Is Supported:''' [[File Classification Implict Curves - Is Supported::]] - Is the feature supported in the engineering format?
 +
**** '''Description:''' [[File Classification Implicit Curves - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
*** '''Point set:''' - Can the format support point sets? Example: A format that supports surfaces and lines that are generated by points that form triangles supports point sets.
 +
**** '''Is Supported:''' [[File Classification Point Set - Is Supported::]] - Is the feature supported in the engineering format?
 +
**** '''Description:''' [[File Classification Point Set - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
** '''Mesh:''' - Section describes whether or not the engineering format supports mesh.
 +
*** '''Manifold surface meshes:''' - Can the format support manifold surface meshes? Example: A format that supports surfaces that are mathematical spaces in which every point has a neighborhood which resembles Euclidean space
 +
**** '''Is Supported:''' [[File Classification Mainfold Surface Meshes - Is Supported::]] - Is the feature supported in the engineering format?
 +
**** '''Description:''' [[File Classification Manifold Surface Meshes - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
*** '''Manifold volume meshes:''' - Can the format support manifold volume meshes? Example: A format that supports volumes that are mathematical spaces in which every point has a neighborhood which resembles Euclidean space
 +
**** '''Is Supported:''' [[File Classification Manifold Volume Meshes - Is Supported::]] - Is the feature supported in the engineering format?
 +
**** '''Description:''' [[File Classification Manifold Volume Meshes - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
*** '''Non-manifold meshes:''' - Can the format support non-manifold meshes? Example: A format that supports meshes that are not manifolds
 +
**** '''Is Supported:''' [[File Classification Non-manifold Meshes - Is Supported::]] - Is the feature supported in the engineering format?
 +
**** '''Description:''' [[File Classification Non-manifold Meshes - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
** '''Parametric representation:''' - Section describes whether or not the engineering format supports parametric representations.
 +
*** '''Parametric surfaces:''' - Can the format support parametric surfaces? Example: A format that can contain surfaces that are generated with parametric equations supports parametric surfaces.
 +
**** '''Is Supported:''' [[File Classification Parametric Surfaces - Is Supported::]] - Is the feature supported in the engineering format?
 +
**** '''Description:''' [[File Classification Parametric Surfaces - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
*** '''Parametric curves:''' - Can the format support parametric curves? Example: A format that can contain curves that are generated with parametric equations supports parametric curves.
 +
**** '''Is Supported:''' [[File Classification Parametric Curves - Is Supported::]] - Is the feature supported in the engineering format?
 +
**** '''Description:''' [[File Classification Parametric Curves - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
** '''Contour sets:''' - Can the format support contour sets?
 +
*** '''Is Supported:''' [[File Classification Contour Sets - Is Supported::]] - Is the feature supported in the engineering format?
 +
*** '''Description:''' [[File Classification Contour Sets - Description::]] - This field is used to describe the support or lack of support of the feature.
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** '''NURBS:''' - Can the format support Non Uniform Rational Basis Splines? Examples: The engineering formats IGES, STEP, ACIS, and PHIGS
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*** '''Is Supported:''' [[File Classification NURBS - Is Supported::]] - Is the feature supported in the engineering format?
 +
*** '''Description:''' [[File Classification NURBS - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
* '''Multi-resolution models:''' - Can the format support models with multiple resolutions? Examples: A format that supports a highly detailed and lowly detailed model simultaneously supports multi-resolution models.
 +
** '''Is Supported:''' [[File Classification Multi-resolution Models - Is Supported::]] - Is the feature supported in the engineering format?
 +
** '''Description:''' [[File Classification Multi-resolution Models - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
* '''Dynamics:''' - Section describes whether or not the engineering format supports dynamics.
 +
** '''Kinematics:''' - Can the format support kinematics? Example: Does the format allow model parts to rotate?
 +
*** '''Is Supported:''' [[File Classification Kinematics - Is Supported::]] - Is the feature supported in the engineering format?
 +
*** '''Description:''' [[File Classification Kinematics - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
** '''Assembly:''' - Can the format support assembly? Example: Does the format allow the assembly instructions to be explicitly specified with a model?
 +
*** '''Is Supported:''' [[File Classification Assembly - Is Supported::]] - Is the feature supported in the engineering format?
 +
*** '''Description:''' [[File Classification Assembly - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
** '''Force(s):''' - Can the format support forces? Example: Does the format support acceleration forces?
 +
*** '''Is Supported:''' [[File Classification Force - Is Supported::]] - Is the feature supported in the engineering format?
 +
*** '''Description:''' [[File Classification Force - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
* '''Boundary representation''' - Can the format support models with boundary representations?
 +
** '''Manifold surface boundary representations:''' - Can the format support manifold surface boundary representations? Example: The engineering format STEP
 +
*** '''Is Supported:''' [[File Classification Manifold Surface Boundary Representation - Is Supported::]] - Is the feature supported in the engineering format?
 +
*** '''Description:''' [[File Classification Manifold Surface Boundary Representation - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
** '''Manifold volume boundary representations:''' - Can the format support manifold volume boundary representations? Example: The engineering format STEP
 +
*** '''Is Supported:''' [[File Classification Manifold Volume Boundary Representation - Is Supported::]] - Is the feature supported in the engineering format?
 +
*** '''Description:''' [[File Classification Manifold Volume Boundary Representation - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
** '''Non-manifold boundary representations:''' - Can the format support non-manifold boundary representations? Example: The engineering format STEP
 +
*** '''Is Supported:''' [[File Classification Non-manifold Boundary Representation - Is Supported::]] - Is the feature supported in the engineering format?
 +
*** '''Description:''' [[File Classification Non-manifold Boundary Representation - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
* '''Material transparency:''' - Can the format support transparency? Example: Does the format allow models to have a clear window in a car?
 +
** '''Is Supported:''' [[File Classification Material Transparency - Is Supported::]] - Is the feature supported in the engineering format?
 +
** '''Description:''' [[File Classification Material Transparency - Description::]] - This field is used to describe the support or lack of support of the feature.
 +
 
 +
'''References:''' [[References::]] - A list of references regarding any aspects of this engineering format; any reading material supplemental to this page.

Revision as of 10:52, 12 May 2009

Title(s): AutoCAD DXF, DXF File Format, Drawing Interchange Format, Drawing Exchange Format

Version ID: u19.1.01

Date released: January 2008

Date: 1982-12-??

Creator(s): AutoDesk - Created as part of AutoCAD 1.0

Contributor(s): AutoDesk

Description: - The DXF file format is developed by AutoDesk and is used as a CAD file format. It was originally created as a way to increase interoperability between AutoCAD and other similar programs. The DXF file format was initially meant to provide exact representation of AutoCAD drawings which were natively stored in DWG(Drawing) format. Since AutoDesk did not release the DWG specification for some time, the DXF file format and the accompanying specification were meant to allow CAD drawings to be opened, edited, and exported by any CAD program.

History: - Below is a short, bulleted history of the DXF file format.

  • Previous Version(s):
  • Contains:
  • Syntax Format(s):
  • Family Format(s):

Example(s): Example Template - Information and example models of the engineering format.

Identifier: - A URL or other identifier that refers to the engineering format.

Documentation: Documentation Template - Information in general about the engineering format.

File Extensions: - Extensions of the engineering format, excluding the dot.

Applications: - Applications that the engineering format uses.

Magic numbers: - Unique identifying characters at the beginning of files for this engineering format.

Format(s): - The MIME file types.

Rights: - The name or type of the license for the engineering format. Examples: BSD-style license, Apache License, Proprietary license

Sustainability Factors: - Facts about the sustainability of this particular engineering format.

  • Standardization: - Information regarding standardization attempts with this format.
  • Adoption: - Information about how this format has been adopted by other organizations.
    • Licensing and patent claims: - Any licenses or patent claims that the engineering format makes.
  • Self-documentation: - Any self-documentation capabilities of the format.
  • External dependencies: - Anything that the format depends on outside of its control to function.
  • Technical protection considerations: - Any considerations that are necessary when it comes to technical protection.

Typical use: - Keywords that describe the format's typical use. Examples: CAD and CAM

File classification: - Specific properties that pertain to this engineering format.

  • Type {Binary, Text}: - The type of file, choices are binary and text.
  • Raster data: - Section describes whether or not the engineering format supports raster data.
    • Raster data 2D: - Can the format support 2D raster data? Example: A format that can contain 2D pixelated data supports 2D raster data.
      • Is Supported: - Is the feature supported in the engineering format?
      • Description: - This field is used to describe the support or lack of support of the feature.
    • Raster data 3D: - Can the format support 3D raster data? Example: A format that can contain 2D pixelated data of a 3D model supports 3D raster data.
      • Is Supported: - Is the feature supported in the engineering format?
      • Description: - This field is used to describe the support or lack of support of the feature.
  • Geometric representation: - Section describes whether or not the engineering format supports geometric representations.
    • Implicit representation: - Section describes whether or not the engineering format supports implicit representations.
      • Implicit surfaces: - Can the format support implicit surfaces? Example: A format that can contain surfaces that are generated with mathematical equations that contain the independent variables x, y, and z, like x^2 + y^2 + z^2 * R^2 = 0, supports implicit surfaces.
        • Is Supported: - Is the feature supported in the engineering format?
        • Description: - This field is used to describe the support or lack of support of the feature.
      • Implicit curves: - Can the format support implicit curves? Example: A format that can contain curves that are generated with mathematical equations that contain the independent variables x, y, and z, supports implicit curves.
        • Is Supported: - Is the feature supported in the engineering format?
        • Description: - This field is used to describe the support or lack of support of the feature.
      • Point set: - Can the format support point sets? Example: A format that supports surfaces and lines that are generated by points that form triangles supports point sets.
        • Is Supported: - Is the feature supported in the engineering format?
        • Description: - This field is used to describe the support or lack of support of the feature.
    • Mesh: - Section describes whether or not the engineering format supports mesh.
      • Manifold surface meshes: - Can the format support manifold surface meshes? Example: A format that supports surfaces that are mathematical spaces in which every point has a neighborhood which resembles Euclidean space
        • Is Supported: - Is the feature supported in the engineering format?
        • Description: - This field is used to describe the support or lack of support of the feature.
      • Manifold volume meshes: - Can the format support manifold volume meshes? Example: A format that supports volumes that are mathematical spaces in which every point has a neighborhood which resembles Euclidean space
        • Is Supported: - Is the feature supported in the engineering format?
        • Description: - This field is used to describe the support or lack of support of the feature.
      • Non-manifold meshes: - Can the format support non-manifold meshes? Example: A format that supports meshes that are not manifolds
        • Is Supported: - Is the feature supported in the engineering format?
        • Description: - This field is used to describe the support or lack of support of the feature.
    • Parametric representation: - Section describes whether or not the engineering format supports parametric representations.
      • Parametric surfaces: - Can the format support parametric surfaces? Example: A format that can contain surfaces that are generated with parametric equations supports parametric surfaces.
        • Is Supported: - Is the feature supported in the engineering format?
        • Description: - This field is used to describe the support or lack of support of the feature.
      • Parametric curves: - Can the format support parametric curves? Example: A format that can contain curves that are generated with parametric equations supports parametric curves.
        • Is Supported: - Is the feature supported in the engineering format?
        • Description: - This field is used to describe the support or lack of support of the feature.
    • Contour sets: - Can the format support contour sets?
      • Is Supported: - Is the feature supported in the engineering format?
      • Description: - This field is used to describe the support or lack of support of the feature.
    • NURBS: - Can the format support Non Uniform Rational Basis Splines? Examples: The engineering formats IGES, STEP, ACIS, and PHIGS
      • Is Supported: - Is the feature supported in the engineering format?
      • Description: - This field is used to describe the support or lack of support of the feature.
  • Multi-resolution models: - Can the format support models with multiple resolutions? Examples: A format that supports a highly detailed and lowly detailed model simultaneously supports multi-resolution models.
    • Is Supported: - Is the feature supported in the engineering format?
    • Description: - This field is used to describe the support or lack of support of the feature.
  • Dynamics: - Section describes whether or not the engineering format supports dynamics.
    • Kinematics: - Can the format support kinematics? Example: Does the format allow model parts to rotate?
      • Is Supported: - Is the feature supported in the engineering format?
      • Description: - This field is used to describe the support or lack of support of the feature.
    • Assembly: - Can the format support assembly? Example: Does the format allow the assembly instructions to be explicitly specified with a model?
      • Is Supported: - Is the feature supported in the engineering format?
      • Description: - This field is used to describe the support or lack of support of the feature.
    • Force(s): - Can the format support forces? Example: Does the format support acceleration forces?
      • Is Supported: - Is the feature supported in the engineering format?
      • Description: - This field is used to describe the support or lack of support of the feature.
  • Boundary representation - Can the format support models with boundary representations?
    • Manifold surface boundary representations: - Can the format support manifold surface boundary representations? Example: The engineering format STEP
      • Is Supported: - Is the feature supported in the engineering format?
      • Description: - This field is used to describe the support or lack of support of the feature.
    • Manifold volume boundary representations: - Can the format support manifold volume boundary representations? Example: The engineering format STEP
      • Is Supported: - Is the feature supported in the engineering format?
      • Description: - This field is used to describe the support or lack of support of the feature.
    • Non-manifold boundary representations: - Can the format support non-manifold boundary representations? Example: The engineering format STEP
      • Is Supported: - Is the feature supported in the engineering format?
      • Description: - This field is used to describe the support or lack of support of the feature.
  • Material transparency: - Can the format support transparency? Example: Does the format allow models to have a clear window in a car?
    • Is Supported: - Is the feature supported in the engineering format?
    • Description: - This field is used to describe the support or lack of support of the feature.

References: - A list of references regarding any aspects of this engineering format; any reading material supplemental to this page.