hi, i'm @amyleew

designer & navigator @mapbox

GIS newbie.

terrain

aesthetic-approach

first mapping project...

one
map
for
all.

find and plot data

hello tilemill

biggest hurdles:

no
one
map
for
all.

renders slooowly

hello vector tiles

thank you vector tiles

one
map
for
all.

demos:

• build & style local VTs
• 4 tips for optimizing VTs
• build & style remote VTs

build & style (local) VTs

4 tips for optimizing VTs

1: minzoom
when to start displaying (& storing data)

2: maxzoom
when to stop storing (but keep displaying) data

3: buffers
amount of data padding per tile

4: what's the geom type?

geom type:
points

1: minzoom

2: maxzoom

avoid dense data clusers

3: buffers

avoid clipped text on labels

geom type:
lines and polys

1: minzoom

2: maxzoom

set, then
test by overzoomming

3: buffers

test it

build & style (remote) VTs

overpass-turbo.eu curate OSM

PostGIS + SQL queries

OSM + PostGIS (planet querying)

thanks and questions
(presentation)
@amyleew