Heatmaps 101 from HumanGeo.

1. Things are Heating Up in Geo:
Heatmaps 101
Abe Usher, CIO
abe@thehumangeo.com
703.955.1540
@abeusher
INFORMATION INTO INSIGHT

2. Our Menu of Subtopics
A LITTLE HISTORY WHY HEATMAPS? DATA GONE WILD
Big data requires new approaches. A new organizing construct for
Who am I? What is HumanGeo?
information analysis.
KITCHEN MODEL SPECIFIC EXAMPLES EASTER EGG
New ways to combine internal data Concrete take-aways. Treats for making it through another
with external new media for presentation.
maximum insight.
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3. What’s in it for you?
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4. But wait, there’s more!
https://www.shamwow.com/
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5. What’s in it for you?
 Make custom heatmaps
 Twitter mashups
 New spatial data-analysis framework
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6. Whoami?
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7. Whoami?
People Data Beverages
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8. A rose by any other name
“Discrete & continuous methods of kernel density
estimation”
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9. A rose by any other name
“Discrete & continuous methods of kernel density
estimation”
 Gaussian
 Quartic
 Exponential
 Triangular
 Uniform
 Epanechnikov
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10. A rose by any other name
“Discrete methods of kernel density estimation”
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11. About
Big Data (Digital) Human Geography
 Predictive models of social drift &
human behavior
 Streaming media analytics
 Micro-demographics
We’re hiring! info@thehumangeo.com
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12. Why Heatmaps?
 Too much data
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13. Why Heatmaps?
 Too much data
 Trust in Internet data
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14. Why Heatmaps?
 Too much data
 Trust in Internet data
 They look cool
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15. Why Heatmaps?
 Too much data
 Trust in Internet data
 They look cool
Heatmaps provide us with a concise,
summary understanding of spatial data.
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16. Trust and Internet Information
Tracy Morrow aka “Ice T”
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17. Trust and Internet Information
“Game knows
game, baby.”
Tracy Morrow aka “Ice T”
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18. Trust and Internet Information
“If you have expert
knowledge, then
you are capable of
recognizing expert
knowledge.”
[paraphrased]
Tracy Morrow aka “Ice T”
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19. Trust and Internet Information
Can we actually trust this Internet stuff?
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20. Trust and Internet Information
20

21. Trust and Internet Information
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22. Trust and Internet Information
22

23. Salami Slicing
Salami slicing: series of minor observations, resulting
in a larger observation that would be difficult to perform
http://en.wikipedia.org/wiki/Salami_slicing
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24. Seven Layer GLT
1. OpenStreetMap data
2. Flickr
3. Panoramio
4. Geonames.org
5. Twitter
6. Wikimapia
7. 4Square
* Geospatial Lattice of Trusted Data
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25. Seven Layer GLT
1. OpenStreetMap data
2. Flickr
3. Panoramio
4. Geonames.org
5. Twitter
6. Wikimapia
7. 4Square
Spatial Temporal User Finds From the Field (STUFFF)
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26. Putting it Together
OpenStreetMap
(OSM)
+
Spatial Temporal User Finds From the Field
(STUFFF)
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27. Putting it Together
OpenStreetMap
(OSM)
+
Spatial Temporal User Finds From the Field
(STUFFF)
=
Awesome Stuff
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28. Kitchen Model for
Spatial Analysis
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29. Kitchen Model for
Spatial Analysis
Chef
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30. Kitchen Model for
Spatial Analysis
Chef Ingredients
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31. Kitchen Model for
Spatial Analysis
Chef Ingredients Utensils
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32. Kitchen Model for
Spatial Analysis
Chef Ingredients Utensils Presentation
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33. Kitchen Model for
Spatial Analysis
Chef Ingredients Utensils Presentation
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34. Types of Heatmaps
Turnkey
 GeoCommons
 SpatialKey
 MapBox/TileMill
 ArcGIS Desktop
 QGIS
Custom
 Python
 R
 Javascript 34

35. Types of Heatmaps
Turnkey
 GeoCommons
 SpatialKey
 MapBox/TileMill
 ArcGIS Desktop
 QGIS
Custom
 Python
 R
 Javascript 35

36. Heatmap: Recipe One
“OSM Style”
Get Python http://python.org
Get the sethoscope library
http://www.sethoscope.net/heatmap/
Get data
http://bit.ly/geotweet_sc
https://dev.twitter.com/docs/streaming-api/methods#locations
Command line:
heatmap.py -g portland.gpx -o output.png --height 800 --osm
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38. Heatmap: Recipe One
Stitch it together in an MP4 movie!
Get the CLI app:
http://ffmpeg.org/
Command line:
heatmap.py -g portland.gpx -o output.png --height 800 –osm –a
ffmpeg -i frame-%05d.png OSM_is_awesome.mp4
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39. Heatmap: Recipe One
Props to
Seth Golub from Google
http://www.sethoscope.net/
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40. Heatmap: Recipe Two
“GE Style”
Get Python
http://python.org
Get the heatmap.py library
http://jjguy.com/heatmap/
Get data
http://bit.ly/geotweet_sc
Enjoy!
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41. Heatmap: Recipe Two
Props to
J.J. Guy from Mantech
http://jjguy.com/
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43. Contact Us
HumanGeo NY HumanGeo DC
1221 Avenue of the Americas 2500 Wilson Boulevard
Suite 4200 | New York, NY 10020 Suite 310 | Arlington, VA 22201
info@thehumangeo.com | 703.341.0863 | www.thehumangeo.com
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44. Easter Egg
http://bit.ly/geotweet_sc 44