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Sunday, December 4, 2016 - 10:19
25 Google Search Hacks to Make Life Easier – With this cheat sheet you will receive daily updates in your email for free, courtesy of Make Tech Easier. Every day, millions of people use Google to search for one thing or the other on the web, but only a handful of those people are harnessing […]
Sunday, December 4, 2016 - 09:48
The power of airborne lidar has been used again by NASA to uncover an ancient city, but this time its not in the rain forest of a foreign country its in Oklahoma of all places. It is  actually ...

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Saturday, December 3, 2016 - 22:24

There’s good news this week in the monthly jobs report, the latest sign that the economy, however grudgingly, has healed from the financial crisis nine years ago:

The unemployment rate fell to 4.6 percent, the Labor Department said, from 4.9 percent. The last time it was this low was August 2007. That was the month, you may recall, when global money markets first froze up because of losses on United States mortgage-related bonds: early tremors of what would become a recession four months later and a global financial crisis nine months after that.

These things, of course, are cyclical. Here’s how the unemployment rate has changed, by state, during my lifetime:

var pym_0 = new pym.Parent('pym_0', 'http://mattstiles.org/dailygraphics/graphics/unemployment-states-1976-2016/child.html', {})
Friday, December 2, 2016 - 18:45

As we are thinking more or less specially I always ask myself: where can I be in the next 30 minutes? Most of current webmaps out there are not answering this quite good using isochrones as example. Most of them taking into account the direct distance which have some major implications if you compare the distance of 30min road trip through the countryside compared with the same time in Paris: about 50km against , right? So I would like to show you, how to get a better idea of reachability using three different approaches but all implemented in Leaflet. 1.…

The post Isochrones in Webmaps: Three Approaches for Leaflet appeared first on Digital Geography.

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Friday, December 2, 2016 - 12:28

Esri participated in this year’s Amazon Web Services (AWS) re:Invent conference as a sponsor, and announced a new offering in the AWS Marketplace.

A member of the AWS Public Sector Partner (PSP) Program, Esri was recognized by Teresa Carlson VP of WWPS during her breakfast keynote on Wednesday morning and during their evening reception. The AWS Public Sector Partner (PSP) Program recognizes APN partners with solutions and experience in delivering government, education, and nonprofit customer mission around the world.

Esri’s Neil Tomlinson with Teresa Carlson, VP of World Wide Public Sector at Amazon

Esri also announced that customers can now deploy select ArcGIS license from Amazon Web Services (AWS) Marketplace instantly, using a pay-per-use pricing model available through hourly or annual subscriptions. Automated software provisioning allows users to launch new projects, respond to emergency requirements, address spikes in usage, and respond seamlessly to business needs without being tied to restrictive enterprise licensing models...

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Census Data

SF1 Data in File Geodatabase Format:

County-Level Variables, version 9.3
County-Level Variables, version 10.0

Census Tract-Level Variables, version 9.3
Census Tract-Level Variables, version 10.0

Block Group-Level Variables, version 9.3
Block Group-Level Variables, version 10.0

The Data Dictionary can be found in Chapter 6 of http://www.census.gov/prod/cen2010/doc/sf1.pdf.

US Census Geography (Shapefiles):
Feature data is included in the US file geodatabases above, so these are in case you need a quick download of the geography only.

US County Shapefile
US Census Tract Shapefile
US Block Group Shapefile

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Summer Institute on Geospatial Technology

Wednesday, May 21, 2014 - 09:45

This summer, August 4th through the 22nd, the Washington College Geographic Information Systems Lab in Chestertown, Maryland is conducting a Summer Institute of Geospatial Technology aimed at adult professionals looking to hone their skills.

arcpy.da.Editor (Trials_and_Tribulations)

Friday, May 9, 2014 - 10:15

I was recently asked to create a Python Script Tool to facilitate an editing workflow.  The basic idea for the tool is that the user selects a feature from one feature class and the attributes of this feature are used to update the attribute values for a selected feature in a second feature class.  I created a test environment on my machine and got the basic tool working.  Once I tested it a few times, I understood why the client wanted it.  It really was useful and saved some steps in the editing process. 

Missed the Memo?

Monday, May 5, 2014 - 12:45

This is a rather eclectic post, but I thought I'd let you know about a couple of issues that I had lately that cost me a good bit of time.


1.  Once the 64-bit geoprocessing patch is installed, personal geodatabases can no longer be read by arcpy Python scripts.

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GIS Memes

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Convert KML to SHP while Preserving their Attributes!

Ever received a KML from a colleague or friend, open it up in Google Earth, click some features to see their attributes, and realize that you want to do more with it than just display it on Google Earth?? So then you request it in shapefile format to do further geoprocessing on it in another GIS. Sadly, they respond to you with a question of their own: What is GIS??"... Ouch. 

10.1 - Legend - Current Extent...

So, as Tundra and others that will be joining soon know, I like tools that make things simple for my end users.  In 9.3 through 10.0 we had a tool made by the BLM Oregon State Office called Legend by Extent.  THis tool was a simple check box on a toolbar to limit your legend items to only those showing in the current extent.  It had its quirks, but worked well, and was dynamic.

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by Dr. Radut.