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BYU—Wolfram Language Documentation
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IMPORT/EXPORT FORMAT
BYU (.byu)
Background & Context
-
- 3D geometry format.
- Used for visualization of 3D polygonal meshes in CAD systems and other applications.
- BYU is an acronym for Brigham Young University.
- ASCII format.
- Represents 3D objects as collections of polygon primitives.
- Can store multiple 3D objects.
Import & Export
- Import["file.byu"] imports a BYU file as a MeshRegion object representing the surface.
- Import["file.byu",elem] imports the specified element from a BYU file.
- The import format can be specified with Import["file","BYU"] or Import["file",{"BYU",elem,…}].
- Export["file.byu",expr] exports a 3D mesh-based geometric region to a binary BYU file. The expr can be any region that is ConstantRegionQ or a Graphics or Graphics3D object.
- The export format can be specified with Export["file",expr,"BYU"] or Export["file",expr,{"BYU",opt1val1,…}].
- See the following reference pages for full general information:
Import Elements
- General Import elements:
- "Elements" list of elements and options available in this file "Summary" summary of the file "Rules" list of rules for all available elements
- Data format representation elements:
- "VertexData" list of vertex coordinates "PolygonData" the polygon data in indexed form
- Geometry representation elements:
- "BoundaryMeshRegion" boundary mesh representation of a solid "MeshRegion" mesh representation of a surface "Region" region representation of a surface
- Graphics elements:
- "Graphics3D" BYU file represented as a Graphics3D object "GraphicsComplex" list of GraphicsComplex objects "PolygonObjects" list of polygon primitives in absolute coordinates
- Import and Export use the "MeshRegion" element by default for BYU files.
Examplesopen allclose all Basic Examples (3)
Import a 3D model from BYU as a MeshRegion object:
"Summary" properties of the solid model:
Export a 3D model to an ASCII BYU file:
Print the raw textual contents of the file:
Scope (11) Import (6)
Import works on a BYU file:
Any accessible URL:
Stream:
Import automatically detects BYU files:
Import provides access to elements in the BYU file:
Import works on large files:
Export (5)
Export works on 3D graphics:
Special regions:
Formula regions:
Mesh regions:
Export to an ASCII BYU file:
Import Elements (9) "PolygonData" (1)
Give the polygon elements in indexed form:
"PolygonObjects" (1)
Give the list of Triangle primitives given in absolute coordinates:
"Summary" (1)
Give the "Summary" of properties:
File size:
"VertexData" (1)
Give the vertex coordinates:
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