September 2019
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State releases application for park need

The California State Parks has released what it says is the nation’s first statewide GIS system of demographic data that can help identify where community parks are needed.

The new Park Access Tool can produce reports about every city, […]

eGIS Team members win award

Congratulations to Tom Weisenberger and Christine Lam of the Enterprise GIS Team for winning an IT Project Award at the Los Angeles Digital Summit yesterday!

Their application, the “Pest Detection Viewer,” was used to digitize the locations of over 400,000 fruit trees, which are used by the County’s Agriculture Weights and Measures Department […]

Map of Employment in America, 2010

Thanks to Mike Henderson of LAFCO for passing this interesting map around.

It took a few days before I could actually move over to LA County:


Google Maps API Discontinue support of Internet Explorer 8

Hi everyone. You may have received this notification from Google Maps… but just in case, FYI:

“Hello all,

We would like to inform you that we are planning to discontinue support of Internet Explorer 8 (IE8) for the Google Maps JavaScript API v3 around August 31st 2015. Around August 24th 2015 users of IE 8 […]

MapStory and Story Maps

Many of us are familiar with Esri Story Maps, and hopefully, many of us will visit exhibits and workshops about them at the upcoming Esri User Conference in July. Story Maps are a great way to add a “where” dimension to telling our story, or to just help explain something to someone. (It’s not […]

LA County GIS Viewer- Elevation Profile tool now available

An elevation profile shows the change in elevation over distance, and can be a powerful way to learn about how steep a hillside is, how difficult a terrain is to traverse, show expected water run-off, and helps visualize elevation information for many business needs.


In partnership with Latitude Geographics, LA County is […]

Time-lapse visualization of city annexations

Check out the time-lapse visualization of city annexations on the County’s GIS Viewer! Watch the growth of cities occur incrementally in LA County.

Expand Political Boundaries > Expand City and County Boundaries > “Turn on” the City Annexations layer and the time-aware slider will appear. All you have to do next is click […]

LA County GIS Viewer Upgrade #3 – Faster Load

Christine and I realized recently that there was a call during the load of the GIS Viewer (and all Geocortex Viewers) that was dramatically slowing down load time unnecessarily. This call added about 15 seconds to the load time – by directly loading what is needed, the load of the GIS Viewer and all related […]

LA County GIS Viewer Upgrade #2 – Charting!

Adding the Median Income Chart

I posted yesterday about a major speed enhancement just released with the upgrade of Geocortex Essentials that was completed last week – Googly Search.

Here is another big addition that we are leveraging – CHARTS!

A few years ago the ESRI flex viewer had […]

LA County GIS Viewer Upgrade #1 – Googly Search!

Googly Search

Have you ever wanted the searches in our GIS applications to be more “Googly” – where as you type you get suggestions on the rest of the entry? I have dreamt about this. With the recent upgrade of our GIS Viewers to the newest versions of Essentials from Latitude […]