3DMF

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Title(s): - 3DMF, 3DMetafile, QuickDraw 3D File


Version ID: -


Date released: - 1995


Date: - 1995


Creator(s): Entity Template - Apple


Contributor(s): - Apple


Relationships: - Apple


  • Previous Version(s): - Any engineering format that is a previous version format of this one.


  • Contains: - N/A


  • Syntax Format(s): - N/A


  • Family Format(s): - N/A


Description: - File Type developed to move 3D scenes between applications.


History: - Created for QuickDraw 3D in 1995. Abandoned in 1998 .


Example(s): Example Template -

 3DMetafile (
   1 0
   Normal
   toc>
 )
 box23:
 Mesh (
   45 # nVertices
   ...
 )
 Reference ( 1 )
 Arrows: 
 BeginGroup ( DisplayGroup ( ) )
   Cone ( )
   Scale ( 0.2 0.1 0.2)
   Cylinder ( )
 EndGroup ( )
 Reference ( 2 )
 Reference ( 4 )
 ...
 Type ( -1 Joes Garage:RepairHistory )
 ...
 
 -1 ( Jim Fixed lug nut 0.23 0.2 1.2 )
 
 toc:
 TableOfContents (
   nextTOC>
   5  # refSeed
   -2 # typeSeed
   0 12 # tocEntry Type/Size
   3 # nEntries
   1 box23>
   2 Arrows>
   4 Geom34>
 )


Identifier: - http://en.wikipedia.org/wiki/3DMF http://local.wasp.uwa.edu.au/~pbourke/dataformats/qd3dformat/qd3d.html


Documentation: Documentation Template - N/A


File Extensions: - 3dmf


Applications: - QuickDraw 3D




Magic numbers: - N/A


Format(s): - N/A


Rights: - Commercial license


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


  • Standardization: - Information regarding standardization attempts with this format.


  • Adoption: - Format was abandoned for OpenGL


    • 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: - CGI, CAD


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

  • Type {Binary, Text}: - 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: - Yes
      • Description: - Can rasterize bitmaps parallel to the viewing plane
    • 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: - No
      • 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: - No
        • 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: - No
        • 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: - Yes
        • 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: - No
        • 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: - No
        • 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: - Yes
        • 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: - Yes
        • 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: - Yes
        • 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: - No
      • 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: - Yes
      • Description: - Supports NURBCurve2D.
  • 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: - No
    • 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: - No
      • 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: - Yes
      • Description: - Format allows grouping of objects
    • Force(s): - Can the format support forces? Example: Does the format support acceleration forces?
      • Is Supported: - No
      • 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: - No
      • 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: - No
      • 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: - Yes
      • 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: - Yes
    • Description: - Transparency can be specified.


References: -

http://local.wasp.uwa.edu.au/~pbourke/dataformats/qd3dformat/qd3d.html http://en.wikipedia.org/wiki/3DMF