a complete wood grain modeling application incorporating multiple cut types, species, and a tree...
TRANSCRIPT
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A Complete Wood Grain A Complete Wood Grain Modeling Application Modeling Application Incorporating Multiple Cut Types, Incorporating Multiple Cut Types, Species, Species, and a Tree Ring Databaseand a Tree Ring Database
Ryan Retting
Department of Computer Science
Cal Poly, San Luis Obispo
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Introduction to Wood Grain Modeling Uses
Computer graphics and animation Cabinetry Design, building, and construction applications
Methods Artificially generated texture maps (Photoshop) Scanned Images Simulation models
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Problems with tessellation
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Other Cal Poly theses
1997: Wood Grain Modeling. By Scott Senkeresty
1999: Tree Parameterization for Wood Grain Modeling. By Mike Matsui.
1999: The wood object modeling tool. By Michelle Courier.
2003: Wood Grain Modeling using Implicit SurfacesBy Rob Pyle
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Major Goals
User friendly GUI application Species specification Wood-cut specification Tree Ring database integration
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User Friendly GUI Application
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Species Selection
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Species Specification
CharacteristicsColorizationNoiseBranching (which creates knots)
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Cut Type Selection
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Plain Slicing
Images from http://www.oakwoodveneer.com/tips/cuts.html
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Quarter Slicing
Images from http://www.oakwoodveneer.com/tips/cuts.html
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Lengthwise Slicing
Images from http://www.oakwoodveneer.com/tips/cuts.htmlImages from http://www.oakwoodveneer.com/tips/cuts.html
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Rotary Cut
Images from http://www.oakwoodveneer.com/tips/cuts.html
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Example Uses
3 – 10’ 2x12 2 – 12’ 2x4 7 – 10’ 4x4
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Tree Ring Source
Constant tree ring width
Use a database
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Database Selection
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Cut Selection
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3D Viewers
3D Trunk and Branch Viewer 3D Board Viewer
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3D Trunk and Branch Viewer
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3D Board Viewer
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Results
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Species Comparison
Pine Oak Maple
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Species Comparison
Walnut Cherry Zebrawood
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Cut TypesPlain Quarter
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Cut TypesLengthwise
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Cut TypesRotary
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Tree Ring Database
Pine from the Sequoia National Park (Core ASP04B)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Year
Rin
g W
idth
(M
M)
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Tree Ring DatabaseFour year drought illustration