Course Summary
earth.png RArrow.png
Abstract/Simplify
globe.png
DArrow.png
"Assume a sphere…"
projections.png LArrow.png
Project onto 2 Dimensions
globegrid.png
D A T A
vectorraster.png
V E C T O R D A T A
SHP file(s) RArrow.png Read directly
Multiple other formats
geojson, KML, GML, GPX, etc.
RArrow.png Can be read by QGIS
Text or spreadsheet
with join field
RArrow.png Read CSV as vector
Layer>Properties>Join
Change field data types as needed
OR use CSVT file
Text or spreadsheet
with long/lat fields
RArrow.png Import as points
R A S T E R D A T A
BTW: jpeg, tif, gif, png
aerial/satellite photos
printed maps
remote sensing images
(pixels have data values)
or
generated from interpolation
(e.g., heat maps)
DArrow.png DArrow.png
georeferencing
digitizing
raster calculations
raster processing
I N S I D E T H E G I S
cartography
graphic design
RArrow.png symbolization
simplification
visual variables
crap
thematic mapping RArrow.png equal intervals
quantiles
standard deviation
pretty
geo-processing RArrow.png convex hull
union/intersection
difference
buffer
analysis RArrow.png e.g., count points in polygons
spatial joins
layout RArrow.png Fully self documented maps
W E B M A P P I N G
OSM
FieldPapers
Leaflet javascript