Monthly Archives: January 2019

GIS Courses at Rio Hondo College

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Rio Hondo College GIS courses start the week of January 26th. Registration is open. GIS classes are on campus and an Intermediate GIS course on location at the LA County Department of Public Works (900 S Fremont Ave, Alhambra). A Geospatial Programming (Python) & Web Services class (GIS280) is also offered on Tuesday evening.

A list of GIS classes can be found here under heading Learn GIS. Fees are $46/unit and some classes can be used to transfer to CSU, CGU, CSULB & others. Steps for applying for admission and registering for the classes can be found here and can be performed entirely online with no fees. Applying for admission however should be done early to provide you the option to registering without delay as classes can fill quick.

Please contact Professor Warren Roberts at wroberts@riohondo.edu for inquiries about waivers needed for prerequisites and corequisites or any other info that you would like to ask.

Moving To PostgreSQL (Part 2)

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Welcome back!  Last time in Part 1 we installed PostgresSQL on a Linux server.  Now we need to do a few things to get it ready so we can create an Enterprise Geodatabase in it.

Postgres User

When PostgreSQL was installed, a postgres user was created.  The postgres user is the default “superuser” to the PostgreSQL database.  Right now the postgres user password is unknown to you.  You must change it in Linux and in the PostgreSQL database.

Log back in to the Linux server and at the Linux prompt, use the passwd command to change the postgres user password.  You might need to use the sudo command with it for it to work.  Continue reading →

Quantitative Map Literacy

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Quantitative map literacy can be seen as a cross between map literacy and quantitative literacy.  Quantitative map literacy includes the concepts and skills required to accurately read, use, interpret, and understand the quantitative information embedded in a geospatial representation of data on a geographic background.

To learn more, check out this interesting journal article about Quantitative Map Literacy.