Today my students got to present some of their work at the Maryland Geographic Information Committee Quarterly meeting.  On Monday we...

This summer I am working with three talented undergraduates as part of a National Science Foundation (NSF) program called Research...

Just wanted to announce that there are now 6 online gisadvisor.com courses for learning GIS along with the coupon codes for a discounted...

Once again, I am continuing my role as a mentor in a National Science Foundation (NSF) Research Experience for Undergraduate program....

We are now into our 4th week of my Open Source GIS class at the University of Maryland at College Park.  We’ve covered desktop GIS with...

CLICK TO VIEW Jeff Scarmazzi presenting on h0w to create editing rules and triggers using Postgres and PostGIS Today I want to introduce...

The Open Source Implementation This is a continuation of Mark Balwanz’s blog posts on his creation of web mapping sites using both ESRI...

UMD provided me with enrollment numbers, and we are getting a pretty full class.  However, a few people on the “outside” have asked for a...

This is a continuation of Mark Balwanz’s blog posts on his creation of web mapping sites using both ESRI and Geoserver.  Today he will...

Also, notice the title says Arcserver AND Geoserver, not Arcserver VS. Geoserver!!  This isn’t a competition or a benchmark.  It is one...

This summer I was asked to teach a 10 week course on Open Sourc Master of Professional Studies in Geospatial Information Sciences...

I am putting up a new course on udemy.com about learning GDAL – and, it is going to be FREE.  I’ve been so happy with the uptake and...

our merry band of 12 undergraduate GIS students presenting their research posters at SUSRC. Today was the Salisbury University Student...

Well, even though you didn’t ask for it, I decided to create a k-nearest neighbor analysis in PostGRES/PostGIS.  This has lots of...

I wanted to give you another look at some features that Radian Studio will offer. I’ve shown how we can use SQL to replicate the ARC/INFO...

How I used SQL to generate an accumulated sum of spatial data My friend Tomas does work with business analytics, and wanted to find a way...

A friend recently asked me to help him generate polyline shapefiles with Z and M values that he could deliver to a customer.  The problem...

My Dad passed away this morning. It is an odd feeling, because no matter how old you are, Dad is still Dad. He was my best friend, and...

Just yesterday, a Professor wrote: I use your textbook for our required “Statistical Research Methods in Geography” course at [Name of...

Merry Christmas and Happy Holidays to all of my friends.  Today, Manifold announced their procedures for participating in the beta for...