Photo of Steve Prashker

Steve Prashker

Instructor (retired)

Degrees:B.Sc., M.Sc. (McGill)
Phone:613-520-2600 x 2709
Office:A239 Loeb Building


Steve Prashker received his Master of Science degree from McGill University. Since 1978, he has been providing computing hardware/software support for the department in his capacity as Manager of the Geomatics Laboratories. He is also the instructor of the third year course Cartography Theory & Design, and coordinator of the Geography &  Environmental Studies Practicum Program. Steve’s interests include GIS applications, microcomputer-based mapping, algorithm development and animation and computer graphics in general. Steve has developed the MIGS(c) micro based mapping system, the ZAPPER(c) Toolset for cartographic line simplification, several data conversion utilities, the GeoAnimations(c) set of GIS algorithm animations, and the Anti-aliasing raster perimeter algorithm.

Research Interests

  • Digital cartography and GIS
  • Mathematical solutions to GIP and cartographic problems
  • Computer animations of geoprocessing algorithms


Feature Article: Mobile Cartographic Application Innovations – A Commentary, Cartouche, #87, Summer/Fall 2013, pp.8 (newsletter of the Canadian Cartographic Association).

Autocarto Six Retrospective (2013) contributor, a set of 29 papers commemorating the 30th anniversary of Auto Carto 6. Barry Wellar, editor,

‘An Anti-Aliasing Algorithm for Calculating the Perimeter of Raster Polygons’, Geotec 2006, Ottawa & Geomtics Atlantic, Wolfville, NS, 2009.

”An Improved Algorithm for Calculating the Perimeter and Area of Raster Polygons’, Geocomputation ’99, Fredericksburg, Virginia, July 24, 1999.


  • Canadian Cartographic Association (CCA)

Awards /Honours

  • Professional Achievement Award for Instructor Employees, Carleton University, 2008.