Software Engineer Developer

Eric LaMar

*** ****** **** ***** **, ***** 925-***-**** ********@*****.*** www.eclamar.com

SUMMARY OF QUALIFICATIONS

Research scientist at Lawrence Livermore National laboratory

Collaborated with NASA, Pittsburgh Supercomputer Center

Software developer experienced in research and applied development of scientific and medical visualization algorithms with an established track record of peer-reviewed, published papers. AREAS OF EXPERTISE

Languages: C/C++, Python, Assembly

Operating Systems: Linux, Mac OS X, Windows

Development Software: QtCreator, Microsoft Visual Studio, Mac Xcode, git/CVS/subversion, gdb/g++, vTune, Windows profiler, ClearCase/ClearQuest, Jira/Confluence Libraries/APIs: OpenGL, VTK, Cg/GLSL, Qt

Visualization Software: Terascale Browser, Mesh TV, ViSIT, Volumizer (SGI), nVidia Falcor PROFESSIONAL EXPERIENCE

SOFTWARE ENGINEER (CONTRACTOR) 03/2021-02/2023

FACEBOOK RESEARCH LABS, SEATTLE, WA (REMOTE)

Developed software to automate tests

Developed rendering passes for inclusion in a multi-pass rendering framework

Developed algorithms to support AR/VR rendering system GRAPHICS SOFTWARE ENGINEER 10/2020-02/2021

AURIS HEALTH, REDWOOD CITY, CA (REMOTE)

Developed application for visualization of medical UltraSound data

Worked on user-interface of same system

SOFTWARE ENGINEER 05/2017-08/2020

THERMOPYLAE, ARLINGTON, VA (REMOTE)

Developed application for geographic information system

Identify, diagnose, and solve issues with same geographic information system SOFTWARE ENGINEER 01/2015-05/2016

ANATOMAGE, SAN JOSE, California

Developed application for dental visualization and workflow management

Converted application code from MFC to Qt, Windows to Mac GRAPHICS SIMULATION ENGINEER 05/2013-11/2014

INTEL, FOLSOM, California

Developed application for simulating in-processor graphics hardware

Diagnosed and debugged tests scripts for graphics hardware simulator SOFTWARE DEVELOPER IV 08/2010-03/2013

GENERAL ATOMICS, SAN DIEGO, California

Developed mini graphics applications for displaying signal data.

Developed and maintained multi-panel, site-security visualization software.

Investigated and developed algorithms for license plate recognition.

Developed motion tracking algorithm for multi-panel visualization system

Translated code for gasoline-from-algae simulation system. CONSULTANT 01/2009-08/2010

VOLUME INFORMATICS, Davis, California

Developed algorithm for advanced space leaping for volume-based surface visualization.

Developed algorithm for volume-based visualization of free-form tessellated volumes. SENIOR SCIENTIST-RESEARCH AND DEVELOPMENT 12/2006-11/2008 VITAL IMAGES, Minnetonka, Minnesota

Significantly reduced image artifacts by analyzing, charactering, and solving problem with the rendering software.

Redesigned the internal instrumentation of the rendering software, reaching 100% coverage.

Designed and programmed new capability in to the rendering software.

Studied and made recommendations on optimal utilization of graphics hardware. SENIOR SCIENTIST-COMPUTING AND VISUALIZATION ENVIRONMENTS 03/2004-12/2006 INSTITUTE FOR SCIENTIFIC RESEARCH, Fairmont, West Virginia

Principle Investigator for CAVE, a $1M/yr funding stream. Establish research priorities and goals for five-member team

Authored and received a National Science Foundation grant for $482K to build several GPU-based visualization clusters

Reduced data storage requirements by 95% for the NASA MODIS derived product service (collaborating with NASA and others)

Principle Investigator to develop parallel, GPU-based visualization and simulation codes.

Co-PI on the Deja-Vu software to allow check-pointing of grid-based codes.

Leading effort to develop suite best-of-practice mini (demonstration) parallel applications for WVCCG

Principle Investigator for the West Virginia Cluster Computing Grid project to introduce grid/parallel computing to West Virginia,

Liaison to (SC)^2, a West Virginia & Pennsylvania regional effort to develop high-performance computing expertise RESEARCH SCIENTIST – CENTER FOR APPLIED SCIENTIFIC COMPUTING 06/2000-08/2003 LAWRENCE LIVERMORE NATIONAL LABORATORY, Livermore, California

Decreased data loaded by up to 90% when visualizing time-varying data by introducing an error-based temporal caching scheme

Reduced data rendered by 75% for scientific visualization by using image caching on a distributed-memory parallel rendering cluster

Decreased image error by 50% in volume visualization applications by characterizing error types and developing error-mitigation techniques

Saved six months of development effort by correcting errors and increasing functionality in visualization system software and training scientists in advanced features of this visualization system

Consulted on deliverables and research priorities on a statement of work for a tri-lab-funded contract with Kitware concerning the introduction of adaptive mesh refinement techniques into VTK

Facilitated exchange of information and data between home research department and Stellar Evolution research project

POSTDOCTORAL RESEARCHER 2001

UNIVERSITY OF CALIFORNIA AT DAVIS, Davis, California

Improved user exploration of large data sets using detail in-context methods and graphics-hardware accelerated magnification lens

Collaborated with researchers at University of California at Irvine and University of Kaiserslautern, Germany Education

PhD-Computer Science, University of California-Davis Davis, California 2000 MS-Computer Science, University of California-Davis, Davis, California 1998 BS-Computer Science, California State University, Sacramento, California 1993 PUBLICATIONS

Conference Publications (Peer-reviewed)

1. Adaptive Border Sampling for Hardware Texture-based Volume Visualization E.C. LaMar; SPIE2006, January 2006

2. Multi-Level Image Caching for Scientific Visualization E.C. LaMar; SPIE2004, January 2004

3. On Issues of Precision For Hardware Texture-based Volume Visualization E.C. LaMar; SPIE2004, January 2004

4. Error-based Temporal Cache and Reuse

C. Nuber, E.C. LaMar, K.I Joy, and B. Hamann; Geometric Techniques for Scientific Visualization, 2003 5. Multi-Level Image Caching for Scientific Visualization E.C. LaMar and V. Pascucci; IEEE Parallel Graphics and Visualization Symposium, November 2003 6. A distributed-parallel multi-layered image cache for immersive exploration of scientific data E.C. LaMar and Falko Kuester, In Proceedings of the NSF Lake Tahoe Workshop on Collaborative Virtual Reality and Visualization, November 2003

7. Using Graphs for Fast Error Term Approximation of Time-varying Datasets C. Nuber, E.C. LaMar, V. Pascucci, B. Hamann and K. I. Joy; Data Visualization 2003 (Proceedings of VisSym '03), May 2003

8. Alpha dithering to correct low-opacity 8 bit compositing errors, P.L. Williams, R.J. Frank, and E.C. LaMar. Lawrence Livermore National Laboratory Technical Report UCRL-ID-153185, March 2003. 9. Approximation of Time-varying Multiresolution Data Using Error-based Temporal-spatial Reuse C. Nuber, E.C. LaMar, B. Hamann and K.I. Joy; SPIE2003, January 2003 10. A Magnification Lens for Volume Visualization

E.C. LaMar, B. Hamann, and K.I. Joy; Pacific Graphics 2001, October 2001 11. Multiresolution Techniques for Interactive Texturing-based Rendering of Arbitrarily Oriented Cutting- Planes

E.C. LaMar, M.A. Duchaineau, B. Hamann, and K.I. Joy; Data Visualization 2000 (Proceedings of VisSym

'00), May 2000

12. Multiresolution Techniques for Interactive Hardware Texturing-based Volume Visualization E.C. LaMar, B. Hamann, and K.I. Joy; SPIE2000, January 2000 13. Multiresolution Techniques for Interactive Hardware Texturing-based Volume Visualization E.C. LaMar, K.I. Joy, and B. Hamann; IEEE Visualization, October 1999 Articles and Books

1. Efficient Error Calculation for Multiresolution Volume Visualization E.C. LaMar, B. Hamann, and K.I. Joy; Hierarchical Approximation and Geometrical Methods for Scientific Visualization, 2003

Journals

1. High-quality Rendering of Smooth Isosurfaces

E.C. LaMar, B. Hamann, and K.I. Joy, In The Journal of Visualization and Computer Animation, April— June 1999

Presentations

Multiresolution Volume Visualization

Visiting Researcher – Invited talk, Kaiserslautern, Germany, April 2000. Eric LaMar 925-***-**** ********@*****.*** www.eclamar.com

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