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    Search
    artlembo
    • May 18, 2016
    • 3 min

    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...
    2 views0 comments
    The Web Duel – ESRI Implementation
    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...
    47 views0 comments
    The Web Duel: Arcserver and Geoserver
    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...
    71 views0 comments
    Open Source GIS at University of Maryland, College Park
    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...
    0 views0 comments
    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...
    1 view0 comments
    Undergraduate Research with GIS
    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...
    11 views0 comments
    k-Nearest Neighbor with PostGRES
    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...
    138 views0 comments
    k-nearest neighbor with SQL in Radian Studio
    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...
    9 views0 comments
    Trade Area Analysis in Postgres / PostGIS
    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...
    13 views0 comments
    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...
    8 views0 comments
    Dad
    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...
    89 views0 comments
    A New Online Course in Statistical Problem Solving in Geography
    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...
    8 views0 comments
    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...
    2 views0 comments
    New website for gisadvisor.com
    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,...
    3 views0 comments
    Soupapalooza III Wrap Up
    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...
    1 view0 comments
    Are practice exams helpful?
    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...
    3 views0 comments
    From days to seconds: experiences with parallel processing and GIS (Part I, the team)
    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...
    0 views0 comments
    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...
    0 views0 comments
    Doing a GROUP BY in ArcGIS
    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...
    9 views0 comments
    When More is Less…. lessons from processing large data files
    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...
    52 views0 comments
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    © 2020, Arthur J. Lembo, Jr.

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