Meeting Agenda

Wednesday, June 26th, 1996

Location:: Graphics Lab
Time:: 1:30 PM
Chair:: Matthew Davidchuk

1. Adoption of the Agenda - additions or deletions

2. Coffee Hour

Coffee hour this week:: Any volunteers?
Coffee hour next week:: Any volunteers?

3. Next meeting

Date:: July 3, 1996
Location:: DC 1304
Time:: 1:30 PM
Chair:: Ed Dengler
Technical presentation:: Stewart Chao

4. Forthcoming

Chairs:

Saar Friedman
Ryan Gunther
Peter Harwood

Tech Presenters:

Bill Cowan
Matthew Davidchuk
Ed Dengler

5. Technical Presentation

Presenter:: Wilkin Chau
Title:: Color Management System

Abstract:

Many color devices are available to the users in most places. To ensure the consistency of color across input, output, and display devices, color management system (CMS) can be used. In this talk, an overview of the CMS is given. The components of the CMS will be discussed.

6. General Discussion Items

7. Action List

University of Toronto visit

8. Director's Meeting

9. Seminars


DEPARTMENT OF COMPUTER SCIENCE
UNIVERSITY OF WATERLOO
SEMINAR ACTIVITIES

SCIENTIFIC COMPUTATION SEMINAR

                    -Wednesday, June 26, 1996

Bruce  Simpson,  Dept.  Comp. Sci., Univ. Waterloo will
speak  on  ``Unstructured   Triangular  Mesh Generation
using Chew and Rivara Refinement''.

TIME:                3:30-4:30 p.m.

ROOM:                DC 1304

ABSTRACT

An  experimental study of the efficiency of using these
refinement  schemes  for  planar  meshes in conjunction
with  anisotropic  mesh metrics will be discussed. When
these  refinement  schemes  are  used  with  the  usual
Euclidean  distance  measure,  both  have  mesh quality
guarantees,  i.e.  limits  on  the  degradation  of the
shapes  of  the  generated  triangles,  in the sense of
limiting  the sizes of small angles.  In practice, they
both  generally show shape improvement in the generated
triangles, relative to the initial mesh.

Such  shape modification is important for realizing the
efficiencies  in  error control sought from anisotropic
meshes.  The  efficiency  goal  referred to here is the
reduction of the number of vertices required to achieve
a  given  error tolerance. A comparison is made between
these  two  refinement  techniques and with meshes that
are    optimally   efficient   for   piecewise   linear
interpolation.


                        A Hole in the Sky

                    A CASI Video Presentation

        Join scientist all around the world using satellite data and
Earth-bound instruments to observe the hole in the Ozone Layer.  This
video explores the history of the ozone hole, using data "mistakenly"
gathered from NASA probes long ago.

        If you want to keep up with what's happening to our world, and
don't want your information watered down for little kids, come to our
video.

                        Thursday, June 27,
                        12:30, DC 1302
                        Everyone is Welcome
                        Timbits will be served