December 2011
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Creating raster datasets from source images – best practices

A Map Series

This is a technical article that shows you step by step how to create a raster dataset in SDE from multiple georeferenced image files. Todd Zagurski from Regional Planning and Mark Greninger from the CIO’s office created this document.

Problem: You have a map series that has been […]

San Gabriel Mountains may be growing in size

The GNIS viewer

No – not literally (although an earthquake could make that happen). What is happening is that someone has made a suggestion to extend the definition of the San Gabriel Mountains further to the northwest than they currently are. This happens in LA County once in a while, so […]

How should the County license its free GIS data?

Open Data License

This has been in the back of my mind for a while, so I thought I’d get opinions on what we should do with the GIS data that we create and share. What I am trying to avoid is a reseller packaging and re-selling our GIS data without:


Downtown LA Street Renamed! Or Was It?

I was looking at Google Maps this morning and noticed something odd – a street one block from my office was renamed! Now the way the City of LA works, I figured there would have been a big hullabaloo about this, but I hadn’t seen anything.

Well, it’s probably just an error – […]


by jh, December 20th, 2011

From their website, the “OSGeo was created to support the collaborative development of open source geospatial software, and promote its widespread use.” A presentation at offers a useful summary.

OSGEO also sponsors the annual FOSS4G (Free Open Source Software for Geospatial) conferences, with December 19th, 2011 | Category: Announcements, Open Source Software | Leave a comment

December 2011 eGIS Committee Meeting Notice and Agenda

Hello everyone,

Sorry for the late notice, but I look forward to seeing everyone tomorrow (Tuesday the 20th of December) at our normally scheduled eGIS Committee Meeting.

Here is the agenda: December 2011 – eGIS meeting notice and Agenda (pdf file)

We’ll recap and go over GIS Day, which was (once again) a great […]

Road Closure Map by LA Co. Public Works Dept.

A Google Maps mashup shows up to date road closures in LA County. You can also view a list of closures.

Using GIS to improve Addressing

I was the keynote for the 2nd day of the recent 1st International Geocoding Conference which was a great conference hosted by USC and ESRI this week. I thought I would pass along the discussion about our address program as well as a method to find false matches in geocoding:

Using GIS […]

Rooftop QR codes for advertising in Maps

Bill A’Hearn from Glendale passed this along – now advertisements will be embedded in the physical world? Don’t know what a QR code is? You will recognize it immediately!

My question after reading the article is: how will this company guarantee that the code will be loaded into Google or Bing […]

Google Maps API V3 to stop ignoring the key parameter

Passing this along:

Dear Maps API Premier customers,

The Google Maps JavaScript API V3 will soon stop ignoring the key parameter. Sites that include this parameter when loading the Maps JavaScript V3 will need to remove it. For further details please refer to the following public announcement:

Do not use a Google Maps API V2 […]