ChristopherGore: New page: Category:Engineering format '''Title(s):''' Title:: - AC '''Version ID:''' Version ID:: - 6.4 '''Date released:''' Version Date released:: - '''Date:''' [[Format ...

2009-05-13T21:42:29Z

New page: Category:Engineering format '''Title(s):''' Title:: - AC '''Version ID:''' Version ID:: - 6.4 '''Date released:''' Version Date released:: - '''Date:''' [[Format ...

New page

[[Category:Engineering format]]

'''Title(s):''' [[Title::]] - AC

'''Version ID:''' [[Version ID::]] - 6.4

'''Date released:''' [[Version Date released::]] -

'''Date:''' [[Format Date::]] - 1994

'''Creator(s):''' [[Creator::Entity Template]] - Amiga

'''Contributor(s):''' [[Contributor::]] - Amiga, Inivis Limited

'''Relationships:''' - Inivis Limited

* '''Previous Version(s):''' [[Previous Version::]] - Any engineering format that is a previous version format of this one.

* '''Contains:''' [[Contains::]] - N/A

* '''Syntax Format(s):''' [[Syntax Format::]] - N/A

* '''Family Format(s):''' [[Family Format::]] - N/A

'''Description:''' [[Description::]] - .ac files are used for 3D scenes in the AC3D software

'''History:''' [[History::]] - Created by Amiga in 1994, bought by Inivis Limited in 2002

'''Example(s):''' [[Example::Example Template]] -

AC3Db
MATERIAL "" rgb 1 1 1 amb 0.2 0.2 0.2 emis 0 0 0 spec 0.5 0.5 0.5 shi 10 trans 0
OBJECT world
kids 1
OBJECT poly
name "rect"
loc 1 0.5 0
numvert 4
-1 0.5 0
1 0.5 0
1 -0.5 0
-1 -0.5 0
numsurf 1
SURF 0x20
mat 0
refs 4
3 0 0
2 1 0
1 1 1
0 0 1
kids 0

'''Identifier:''' [[Identifier::]] - http://en.wikipedia.org/wiki/AC3D http://www.inivis.com/ac3d/man/ac3dfileformat.html

'''Documentation:''' [[Documentation::Documentation Template]] - http://www.inivis.com/ac3d/man/ac3dfileformat.html

'''File Extensions:''' [[File Extension::]] - ac

'''Applications:''' - AC3D

* '''Native application(s):''' [[Native Application::Engineering Format Application Template]] - AC3d

* '''Interoperable applications:''' [[Interoperable Application::Engineering Format Application Template]] - N/A

'''Magic numbers:''' [[Magic Numbers::]] - N/A

'''Format(s):''' [[Format::]] - N/A

'''Rights:''' [[Rights::]] -

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

* '''Standardization:''' [[Standardization::]] - N/A

* '''Adoption:''' [[Adoption::]] - Adopted for FlightGear flight simulator

** '''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::]] - CGI, CAD, Game Development

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

* '''Type {Binary, Text}:''' [[File Classification Type::]] - 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::]] - No

*** '''Description:''' [[File Classification Raster Data 2D - Description::]] - Cannot rasterize 2D data

** '''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::]] - No

*** '''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::]] - Yes

**** '''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::]] - Yes

**** '''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::]] - Yes

**** '''Description:''' [[File Classification Point Set - Description::]] - Uses a set of points to generate a polygon

** '''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::]] - No

**** '''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::]] - No

**** '''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::]] - Yes

**** '''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::]] - Yes

**** '''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::]] - Yes

**** '''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::]] - Yes

*** '''Description:''' [[File Classification Contour Sets - 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:''' [[File Classification NURBS - Is Supported::]] - Yes

*** '''Description:''' [[File Classification NURBS - Description::]] -

* '''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::]] - Yes

** '''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::]] - Yes

*** '''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::]] - Yes

*** '''Description:''' [[File Classification Assembly - Description::]] - Format allows grouping of objects

** '''Force(s):''' - Can the format support forces? Example: Does the format support acceleration forces?

*** '''Is Supported:''' [[File Classification Force - Is Supported::]] - No

*** '''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::]] - No

*** '''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::]] - No

*** '''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::]] - Yes

*** '''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::]] - Yes

** '''Description:''' [[File Classification Material Transparency - Description::]] - Transparency can be specified.

'''References:''' [[References::]] -

http://en.wikipedia.org/wiki/AC3D http://www.inivis.com/ac3d/man/ac3dfileformat.html

AC - Revision history

ChristopherGore: New page: Category:Engineering format '''Title(s):''' Title:: - AC '''Version ID:''' Version ID:: - 6.4 '''Date released:''' Version Date released:: - '''Date:''' [[Format ...