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  • Why bother with GIS?
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I'll demo this using one of my favorite geospatial party tricks: A really, really interesting dataset on the Holocaust.

I found some data here:

Note the origin. I thought this was really, really useful data for teaching about the Holocaust, but I hated the display. I'd much rather have this data displayed on a map.

So:

How is this a more complex file than the previous one we looked at? How is GIS a more powerful environment for exploring and analyzing the file than Google Earth? (Also: Note that I have a tragically wrong map for this data...how can I get a correct map?)

(And note that you can also plug the .csv into ArcGIS.com...but it will render as a set of points. The info is still there, but it's much harder to interpret, visually. To get polygons, I had to do the step where I worked on it in ArcMap.)

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