web mapping and open source gis
DESCRIPTION
Why open source GIS matters, why you should use it, and what it can do.TRANSCRIPT
![Page 2: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/2.jpg)
why is web mapping important?
group collaboration is more powerful than individual achievement
1
![Page 3: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/3.jpg)
draftsman’s work, 1937
many hours, one map2
![Page 4: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/4.jpg)
OpenStreetMap, 2010
200,000 contributors, one map3
![Page 5: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/5.jpg)
I, Pencil
![Page 6: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/6.jpg)
I, Pencil
"No one person . . . could create from scratch a small, everyday pencil, let alone a car or an airplane."
- Leonard Read, 1958
5
![Page 7: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/7.jpg)
why is open source important?
![Page 8: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/8.jpg)
why is open source important?
"Given enough eyeballs, all bugs are shallow."
- Eric S. Raymond, co-founder of the Open Source Initiative
7
![Page 9: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/9.jpg)
why is open source important?
free beer
![Page 10: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/10.jpg)
why is open source important?
free speech
![Page 11: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/11.jpg)
why is open source important?
“Think free as in free speech, not free beer.”
- Richard Stallman, founder of the Free Software Foundation
10
![Page 12: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/12.jpg)
who uses open source?
90% of supercomputers60% of internet servers30% of smart phones
11
![Page 13: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/13.jpg)
who uses open source GIS?
ESRIIDRISIERDASGooglemany others . . .
12
![Page 14: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/14.jpg)
why should you use it?
portabledependablefree
13
![Page 15: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/15.jpg)
make a heatmap of Wikipedia article word length
demo: Wikipedia in Hawaii
14
![Page 16: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/16.jpg)
demo: Wikipedia in Hawaii
Let’s see this in action:1. Run a script2. Run commands on the
output3. Add to a server4. Display from the server
make a heatmap of Wikipedia article word length15
![Page 17: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/17.jpg)
demo: Wikipedia in Hawaii
script to retrieve georeferenced Wikipedia articles, their abstracts, and word count 16
![Page 18: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/18.jpg)
demo: Wikipedia in Hawaii
heatmap of Wikipedia article word length17
![Page 19: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/19.jpg)
demo: Wikipedia in Hawaii
we will use these18
![Page 20: Web Mapping and Open Source GIS](https://reader035.vdocument.in/reader035/viewer/2022081413/546e644daf7959ed048b5cf3/html5/thumbnails/20.jpg)
on to the demo . . .