CS 285: SOLID MODELING
Lecture #9 -- Wednesday, Sept. 28, 2011
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Key question concerning Adaptively Sampled Distance Fields:
Why does it make sense to represent a 2D structure (a 2-manifold B-rep.)
with a 3D data structure (annotated sample points sprinkled through 3D ?
Now assume that you are a robotics probe that
flies towards an irregular asteroid and where you are supposed to make a smooth
landing.
What are the advantages and disadvantages of various representations of
the asteroid shape in your computer memory ? -- In particular:
Voxels; Triangulated B-rep; Implicit function; . . .
Paper Presentation by C. H. Séquin:
DF00: Frisken
et.al.: "Adaptively Sampled Distance Fields"
How to efficiently and effectively read a paper to prepare for in-class discussions:
- Read: "Introduction," "Conclusions;" look at Figures and read captions.
This should typically tell you WHAT the authors have done, and WHY. - Now try to find out HOW they did it:
Look for the appropriate sections that describe the key techniques. - Also try to get an understanding what the limitations and caveats are of the described approach.
Might there be things that the authors do NOT tell you ? - You can probably skip the section on "Previous Work" or just skim it.
- Write down a few of the key points you learned,
as well as some questions that are good for discussion in class.
New Assignment#6 : Prepare your bell design for Layered Manufacturing:
Due: Monday, 10/3/2011: 4pm
Bring your problems to class for discussion.
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Page Editor:
Carlo H. Séquin