Sketch
Click on either picture for large version
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Arrows and Bullseye picture.
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A room drawn using Sketch.
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Project Overview
Sketching is often a great way to communicate ideas with the implicit knowledge
that the idea is in the formative stages. It has many advantages. Speed is high
because one is using approximate visual images with simple tools (pencil and paper). There is no need for precision or
specialized knowledge and, in fact, precision can confuse a viewer into thinking that an idea is
more complete and immutable than it actually is. Also included is the ease of low-level correction and
revision. Most 3D computer modeling systems are good at
generating arbitrary views of precise 3D models and support high-level
editing and revision. The SKETCH application
attempts to combine the advantages of both hand-drawn-representation and precise computer modeling in order to create an
environment for rapidly conceptualizing and editing approximate 3D
scenes. To achieve this, SKETCH uses simple non-photorealistic
rendering and a purely gestural interface that is based on simplified line
drawings of primitives and allows all operations to be specified
within the 3D world.
Researchers
Bob Zeleznik
Andy Forsberg
Loring Holden
Online Resources
Java Sketch - a simple version of Sketch in Java, by Adam Doppelt
Beautiful Science transcript
- English translation by Saori Taichi of a Japanese TV segment about Sketch
Beautiful Science excerpt- 400k animated gif
Publications
SKETCH: An interface for sketching 3D
scenes, by R. C. Zeleznik, K. Herndon, and J. F. Hughes. Proceedings of SIGGRAPH '96.
Two pointer input for 3D interaction.
by R.C. Zeleznik, A.S. Forsberg, and P.S. Strauss.
Proceedings of
1997 Symposium on Interactive 3D Graphics (Providence, Rhode
Island, April 27-30, 1997).
Seamless Interaction in Virtual Reality. (note: link requires IEEE membership) by
A.S. Forsberg, J.J. LaViola, Jr., L.E. Markosian, and R.C. Zeleznik.
IEEE Computer Graphics and Applications, Vol. 17, No. 6, Nov/Dev, '97
ErgoDesk: A Framework for Two- and Three-Dimensional Interaction at the ActiveDesk. by A.S. Forsberg, J.J. LaViola, and R.C. Zeleznik, Proceedings of the Second International Immersive Projection Technology Workshop, Ames, Iowa, May 11-12, 1998.
"Sketch-N-Make: Automated Machining of CAD Sketches", by M. Bloomenthal, R.C. Zeleznik, R. Fish, L.S. Holden, A.S. Forsberg, R. Riesenfeld, M. Cutts, S. Drake, H. Fuchs, and E.
Cohen, to appear in Proceedings of the 1998 ASME 8th Computers In Engineering Conference, 1998.
Project Development
Sketch information - current
projects, open projects, etc. (internal only link)
Contact
Bob Zeleznik
Website Context
This page is maintained for historical reasons and reflects work done prior to 1999.
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