WA Women in GIS & Technology

Peter Keum: peter.keum@kingcounty.gov

@pkeum

pkgeo.com

March 6, 2019

FOSS4G

Free and Open Source Software for Geospatial

CUGOS

CUGOS

Cascadia Users of Geospatial Open Source

(Community)

125 members on cugos.slack.com 

After

Before

But Not THIS

Text

Text

Text

1. Free & Open Source Software  (FOSS)

2. Open Source (OS) GIS

3. Into the Future

1. Free & Open Source Software (FOSS)

• Free to run it
• Free to modify it
• Free to share it
• Free to share your modification

The Cathedral and the Bazaar

Open Community

Free & Open Source Software (FOSS)

• Permissive - providing with few restrictions

• Protective - obligation to share improvements

Two Types of Licenses

Why Now?

Commons-Based Peer Production

Tools

Bandwidth

Interest

Using internet to build rich valuable collections of knowledge & products

Secondary Results

Mapbox

1. Free & Open Source Software  (FOSS)

2. Open Source GIS

3. Into the Future

2. Geospatial Tools

Esri

FOSS4G

Desktop

Database

Webmap Platform

GDB

GeoJSON;  Shape Files

WMS, WFS

PostGIS

PostgresSQL

Mapbox

Carto

FOSS4G

Desktop

Database

Webmap Platform

PostGIS

PostgresSQL

Mapbox

Carto

Why use postgis?

(3.5 min)

Flexible

Easy

Homogenous systems and single vendor strategies can be convenient BUT comes with trade-off. Lack of flexibility for fast adoption 

VS

Nor this

Sample 1- Vector Tiles

Sample 2 - Vector tile server

FOSS4G: Free and Open Source Software for Geospatial

Tileserver GL

Mapbox Tippecanoe

1. Free & Open Source Software  (FOSS)

2. Open Source GIS

3. Into the Future

3. GIS + Vertical Industry

Future of GIS (personal view)

GPT

General Purpose Technology

The Second Machine Age - Erk Brynjoflsson, Andrew McAfee

GPT

"GPT always needs complements"

Urban Planning

Utilities

You

Social Justice/Equity

GIS

GIS

You

You

You

GIS

GIS

Don Cooke, early digital mapping pioneer about the explosion in mapping technology. His comment: “After 20 years, it’s nice to be an overnight sensation”.​​

Companies are using maps not just as nice features but to drive revenue as core components of their offering. Maps are no longer just a good way to visualize content, they are core to competitive advantage.

WHY?

A

B

L

always

be

learning

C

FOSS4G

Desktop

Database

Webmap Platform

PostGIS

PostgresSQL

Mapbox

Carto

"First do it, then do it right, then do it better."

Doing is Learning, but...

Doing with mistakes?

It's still learning!

CUGOS

Community

END

for now

Thank You

peter.keum@kingcounty.gov