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    Big Data Results
    artlembo
    • Oct 16, 2018
    • 5 min

    Big Data Results

    I wanted to revisit the taxi data example that I previously blogged about.  I had a 6GB file of 16 million taxi pickup locations and 260...
    116 views0 comments
    GIS Analysis of Overlapping Layers
    artlembo
    • Jun 19, 2018
    • 1 min

    GIS Analysis of Overlapping Layers

    Sure you can solve it with a few for loops,  inserting the results into a new table, but that really is a hassle.  Also, I have to do it...
    37 views0 comments
    QGIS GPU Processing Update
    artlembo
    • Jul 23, 2016
    • 2 min

    QGIS GPU Processing Update

    Today my students got to present some of their work at the Maryland Geographic Information Committee Quarterly meeting.  On Monday we...
    35 views0 comments
    More QGIS/GPU progress – it’s getting faster…
    artlembo
    • Jul 13, 2016
    • 3 min

    More QGIS/GPU progress – it’s getting faster…

    This summer I am working with three talented undergraduates as part of a National Science Foundation (NSF) program called Research...
    30 views0 comments
    Parallel Processing with QGIS
    artlembo
    • Jun 29, 2016
    • 2 min

    Parallel Processing with QGIS

    Once again, I am continuing my role as a mentor in a National Science Foundation (NSF) Research Experience for Undergraduate program....
    355 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
    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
    artlembo
    • Jun 3, 2015
    • 2 min

    Another Radian Test – Finding the distance between lines and areas

    Following up on my previous post with ArcGIS and the Near Table, I created an SQL query in Manifold 8 to do both the near distances and...
    0 views0 comments
    artlembo
    • May 22, 2015
    • 0 min

    Testing Manifold Systems, Ltd. Experimental Parallel Processing Engine (Radian) – along with s

    5 views0 comments
    A Poor Man’s Parallel Processor for GIS
    artlembo
    • Apr 20, 2015
    • 4 min

    A Poor Man’s Parallel Processor for GIS

    In addition to SQL, I also am interested in processing large volumes of spatial data.  One of the newest rages in “big data” is Hadoop....
    13 views0 comments

    © 2020, Arthur J. Lembo, Jr.

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