About the Author
Joel Lawhead is a PMI-certied Project Management Professional (PMP) and the Chief
Information Ofcer (CIO) of NVisionSolutions Inc., an award-winning rm that specializes in
geospatial technology integration and sensor engineering.
Joel began using Python in 1997 and began combining it with geospatial software
development in 2000. He is the author of Learning Geospatial Analysis with Python, Packt
Publishing. His Python cookbook recipes were featured in two editions of Python Cookbook,
O'Reilly Media. He is also the developer of the widely used, open source Python Shapele
Library (PyShp) and maintains the geospatial technical blog GeospatialPython.com
and the Twitter feed @SpatialPython, which discuss the use of the Python programming
language within the geospatial industry.
In 2011, Joel reverse engineered and published the undocumented shapele spatial indexing
format and assisted fellow geospatial Python developer, Marc Pster, in reversing the
algorithm used, allowing developers around the world to create better-integrated and more
robust geospatial applications involving shapeles.
Joel served as the lead architect, project manager, and co-developer for geospatial
applications used by US government agencies, including NASA, FEMA, NOAA, the US Navy, and
many other commercial and non-prot organizations. In 2002, he received the international
Esri Special Achievement in GIS award for his work on the Real-Time Emergency Action
Coordination Tool (REACT), for emergency management using geospatial analysis.
I would like to acknowledge my beautiful family, including my wife, Julie,
and four children, Lauren, Will, Lillie, and Lainie, who allowed me to write
yet another book in our limited collective free time. I would also like to
acknowledge my employers and coworkers at NVisionSolutions.com, a bright
team of people dedicated to working together at the exciting bleeding edge
of geospatial technology.
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