Open Source GIS Course at UMD – the Syllabus
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...
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artlembo
- May 16, 2016
- 5 min
The Web Duel – ESRI Implementation
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...
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artlembo
- May 10, 2016
- 2 min
The Web Duel: Arcserver and Geoserver
Also, notice the title says Arcserver AND Geoserver, not Arcserver VS. Geoserver!! This isn’t a competition or a benchmark. It is one...
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artlembo
- May 4, 2016
- 1 min
Open Source GIS at University of Maryland, College Park
This summer I was asked to teach a 10 week course on Open Sourc Master of Professional Studies in Geospatial Information Sciences...
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artlembo
- May 3, 2016
- 1 min
Upcoming course: GDAL
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...
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artlembo
- Apr 29, 2016
- 9 min
Undergraduate Research with GIS
our merry band of 12 undergraduate GIS students presenting their research posters at SUSRC. Today was the Salisbury University Student...
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artlembo
- Apr 26, 2016
- 3 min
k-Nearest Neighbor with PostGRES
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...
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artlembo
- Apr 26, 2016
- 2 min
k-nearest neighbor with SQL in Radian Studio
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...
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artlembo
- Apr 20, 2016
- 4 min
Trade Area Analysis in Postgres / PostGIS
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...
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artlembo
- Apr 19, 2016
- 2 min
SQL and ogr to create 4D lines
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...
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artlembo
- Feb 19, 2016
- 3 min
Dad
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...
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artlembo
- Jan 8, 2016
- 1 min
A New Online Course in Statistical Problem Solving in Geography
Just yesterday, a Professor wrote: I use your textbook for our required “Statistical Research Methods in Geography” course at [Name of...
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artlembo
- Dec 24, 2015
- 1 min
Another glimpse at Manifold Radian Studio
Merry Christmas and Happy Holidays to all of my friends. Today, Manifold announced their procedures for participating in the beta for...
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artlembo
- Nov 28, 2015
- 2 min
New website for gisadvisor.com
It has been awhile since I’ve done anything with the gisadvisor.com site. I was waiting for a new release of Manifold GIS. For now,...
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artlembo
- Nov 20, 2015
- 3 min
Soupapalooza III Wrap Up
One of the best things about working at a University is that I get to work with some of the best colleagues – not only are they...
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artlembo
- Nov 4, 2015
- 2 min
Are practice exams helpful?
In my statistics class, I was helping the students understand the difference in one, two, and three or more sample (ANOVA) tests. When...
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artlembo
- Jul 27, 2015
- 2 min
From days to seconds: experiences with parallel processing and GIS (Part I, the team)
Many of you know that I have been working with parallel processing for GIS in the form of video card general purpose, graphical...
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artlembo
- Jul 18, 2015
- 1 min
Book Errata –
I found a mistake in the How do I do that in PostGIS book on page 4. When updating a field with results from a related table, I...
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artlembo
- Jul 13, 2015
- 1 min
Doing a GROUP BY in ArcGIS
As most of you know, I am a big fan of spatial SQL. It is my go-to tool whenever working with GIS. But, I have seen too many people...
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artlembo
- Jul 7, 2015
- 2 min
When More is Less…. lessons from processing large data files
My good friend Stuart Hamilton gave me a fun conundrum to try out. He has a file of province boundaries (400 areas) and lidar derived...
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