Welcome to Methods 3, Lecture 7

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Methods 3

Ashley

Jason

there are built-in heatmap styles

Creating data

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via mapbox

Georeferencing

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Georeferencing takes an image and gives it map coordinates

the image could be a map, picture, or anything else you might want to overlay on a map

try to remember the difference between geocoding and georeferencing

maps.nypl.org/warper

NYPL Building Inspector

NYPL Building Inspector

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Georeferencing with QGIS

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find landmarks easily discerned in both your image and the reference map

try to just pin down the corners of the image onto the map—start with 4 points

in-class exercise

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we'll talk more about modeling next time

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(formerly CartoDB)

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a dataset is like a file on your computer

shp, geojson, csv, ...

shapefiles must be zipped

like projects in QGIS

in-class exercise