April 2011
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Please Help: Review the ESRI Community Map for Los Angeles County

As part of our LAR-IAC outreach, and for GIS in general, we’ve worked with ESRI to move some of our LAR-IAC data (buildings) into their community basemap. This will be a free service available from ESRI, so it is good to provide feedback.

Clarification: My first post might have suggested that we only provided the […]

Convert Google Earth kml to a shapefile

Just something I thought might be useful.

Link to the post: http://free-gis.com/how-to-convert-kml-to-shapefile/17/

Link to the Garmin DNR application page that is mentioned: http://www.dnr.state.mn.us/mis/gis/tools/arcview/extensions/DNRGarmin/DNRGarmin.html

Solar Map version 2 released – what color are your dots?

We’ve launched the second version of the LA County Solar map here: http://solarmap.lacounty.gov

There are some really cool new features to this new site, including:

The actual measurements from our solar model are represented on the map – you can actually see which parts of your roof are good for solar. What color […]

Google Map Maker in the USA

Google’s Map Maker is available in the US.

James Fee has a really funny response on his blog – click here to view.

His best quote: “As a GIS Professional , I do have an inherent need to update the location of all coffee shops in my neighborhood, but to think I’d lift a […]

Coastal County Snapshots

Did you know that LA County has 367,894 employees with over $10 billion in wages involved in ocean-related jobs? And that 134,047 people live in high-risk floodplains?

Find out more at the NOAA coastal counties snapshot:http://www.csc.noaa.gov/snapshots/

It shows ocean jobs and flood exposure for coastal counties – take a look!

Here’s a report from […]

April eGIS Committee Meeting (4/19/11) – Agenda

Here is a DRAFT agenda for tomorrow’s meeting. Marianne Jeffers will be filling in for me, as she has in the past. Some items:

Disaster Response Support Redistricting webiste GIS Day 2011 Exotic insects

April – 20110419.eGIS meeting notice and Agenda (pdf file)

Spatial Joins failing where points fall on polygon boundaries!

Atlantic Ave & Ferguson Dr

Here is another question for you experts out there.

We have an ArcGIS Server service that performs identify commands. Type in an address, get back the polygon that the address fall inside (Census Tract, etc). Works nicely, except we found a recent issue regarding intersections. Where […]

Using Twitter and GIS to support emergency response

This article was passed along to me, and it gave me a lot of ideas, and some very solid technical hints, on how we can integrate Twitter into our GIS mapping to support emergency response.


Read some samples of the golden nuggets (and I need to look into Tweetdeck!) below: