John Rugis

Department of Mathematics, University of Auckland,
Centre for eResearch, University of Auckland,
j.rugis@auckland.ac.nz

Primary Research Interests:
Software design for high performance computing.
3D visualization of scientific data.
Secondary Research Interests:
Morphology of New Zealand endemic ferns.
Sneyd J., S. Means, D. Zhu, J. Rugis, J. Won, D. Yule:
Modeling Calcium Waves in an Anatomically Accurate Three-Dimensional Parotid Acinar Cell.
Journal of Theoretical Biology, May 2016, ISSN 0022-5193.

Rugis, J.: An HPC Implementation of the Finite Element Method.
Conference Presentation, eResearch NZ 2016,
February 2016, Queenstown, New Zealand.
(5.8MB pdf)

Rugis, J.: Realistic 3D Cell Modeling for FEM Simulation.
Workshop on Mathematical and Computational Methods in Biomedical Imaging and Image Analysis,
November 2015, Auckland, New Zealand.
(3.0MB pdf)

Sneyd, J., D. Yule and J. Rugis: Multi-Scale Modelling of Saliva Secretion.
Case Study, Centre for eResearch, University of Auckland,
December 2014, Auckland, New Zealand.
(1.1MB pdf)

Supplementary Material:
Quicktime movie: Parotid acinar cells. (135MB mov)
AVI movie: Calcium waves 1. (197MB avi)
AVI movie: Calcium waves 2. (14MB avi)
Rugis, J. and J. Sneyd: A Multi-Scale Model of Saliva Secretion.
Conference Presentation, eResearch NZ 2014,
July 2014, University of Waikato, New Zealand.

Supplementary Material:
Presentation slides. (8.7MB pdf)
Rugis, J., P. Leary, P. Malin and J. Pogacnik:
Geocritical Reservoir Flow Simulation and Display using Open Porous Medium (OPM) Code.
In Proc. 35th New Zealand Geothermal Workshop,
November 2013, Rotorua, New Zealand.
(6.8MB pdf)

Supplementary Material:
Presentation slides. (1.8MB pdf)
Rugis, J.: An MPI + GPU Implementation Case Study.
Conference Presentation, eResearch NZ 2013,
July 2013, University of Canterbury, New Zealand.

Supplementary Material:
Presentation slides. (1.7MB pdf)
Ryan, G., J. Peacock, E. Shalev and J. Rugis:
Montserrat geothermal system: A 3D conceptual model.
Geophysical Research Letters, Volume 40, Issue 10, pp. 2038-2043, May 2013.
Rugis, J.: Interactive Large-Data Modeling and Visualisation.
CITR Seminar, University of Auckland, February 14, 2013.
(2.6MB pdf)
Rugis, J. and P. Leary: Towards Crustal Reservoir Flow Structure Modelling.
In Proc. 33rd New Zealand Geothermal Workshop,
November 2011, University of Auckland, New Zealand.
(699KB pdf)

Supplementary Material:
Presentation slides. (1.2MB pdf)
Windows media movie: Synthetic MT data: Fault. (2.2MB wmv)
Rugis, J.: Visualizing 3D Geophysical Data.
CITR Seminar, University of Auckland, October 27, 2011.
(2.3MB pdf)
Rugis, J.: A Fern Propagation Report.
Auckland Botanical Society Journal, Vol 65(1), pp. 78-82, June 2010.
(759KB pdf)
Rugis, J.: A Native Fern Survey Report.
Wairua Lodge, Whitianga, Coromandel Peninsula, February 2, 2009.
(868KB pdf)
Rugis, J.: Digital Surface Curvature: Identifying and Visualizing Surface Detail.
VDM Verlag, Saarbrucken, 2008
ISBN 978-3639099164.


Supplementary Material:
High resolution color version of images in book. (20MB pdf)
Rugis, J.: Native Fern Propagation.
Invited Talk, NZ Forest and Bird Society,
August 2008, Auckland, New Zealand.
(10.8MB pdf)
Rugis, J.: Digital Surface Curvature.
PhD Thesis. University of Auckland, 2008.
Auckland, New Zealand.
(20MB pdf)


Supplementary Material:
Curvature map library extract (788 images). (137MB zip)
Rugis, J.: Identifying and visualizing surface detail on Michelangelo's David.
In Proc. SIGGRAPH 2007,
Conference DVD-ROM, 2007. San Diego, USA.
(660KB pdf)


Supplementary Material:
Title image. (173KB jpg)
Chisel marks. (793KB pdf)
Quicktime movie: Identifying and visualizing surface detail. (40MB mov)
Rugis, J. and R. Klette:
Surface curvature extraction for 3D image analysis or surface rendering.
Invited Talk, In Proc. Meeting on Image Recognition and Understanding,
July 2007. Hiroshima, Japan.
(348KB pdf)

Supplementary Material:
Presentation slides. (6.6MB pdf)
Rugis, J.: An exploration of a bijective mapping in the integers.
Article Preprint, 2007.
(110KB pdf)
Rugis, J.: Extracting surface curvature from noisy scan data.
In Proc. Image and Vision Computing New Zealand,
pages 185-190, 2006. Great Barrier Island, New Zealand.
(660KB pdf)

Supplementary Material:
Comparison: 2D / 2.5D filter. (636KB jpg)
Rugis, J. and R. Klette: A scale invariant surface curvature estimator.
In Proc. Pacific-Rim Symposium on Image and Video Technology ,
pages 138-147, 2006. Hsinchu, Taiwan.
(1.1MB pdf)
Rugis, J.: Projecting surface curvature maps.
In Proc. SIGGRAPH 2006,
Conference DVD-ROM, 2006. Boston, USA.
(602KB pdf)

Supplementary Material:
Projecting surface curvature. (99KB jpg)
New lighting model for projected curvature. (663KB jpg)
Scratches on the back David's left leg. (295KB jpg)
Windows media movie: Projecting surface curvature. (7.8MB wmv)
Rugis, J. and R. Klette: Surface registration markers from range scan data.
In Proc. International Workshop on Combinatorial Image Analysis,
pages 430-444, 2006. Berlin, Germany.
(2.7MB pdf)

Supplementary Material:
Marker results: four David scans. (461KB jpg)
Rugis, J.: Projecting surface curvature maps.
CITR Seminar, University of Auckland, May 23, 2006.
(2.2MB pdf)
Rugis, J.: Surface curvature maps and Michelangelo’s David.
In Proc. Image and Vision Computing New Zealand,
pages 218–222, 2005. Dunedin, New Zealand.
(1.3MB pdf)

Supplementary Material:
Comparison: depth & curvature maps. (1.5MB jpg)
Curvature map image processing. (1.3MB jpg)
Rugis, J.: Surface curvature maps and Michelangelo’s David.
CITR Seminar, University of Auckland, October 25, 2005.
(1.4MB pdf)
Rugis, J.: Curvature maps and the Digital Michelangelo Project.
CITR Seminar, University of Auckland, October 15, 2005.
(3.0MB pdf)
Rugis, J.: Surface curvature from laser triangulation data.
ECE Seminar, Manukau Institute of Technology, July 9, 2005.
(3.2MB pdf)
Rugis, J.: Non-mean curvature estimators.
CITR Seminar, University of Auckland, June 10, 2005.
(1.3MB pdf)