rbwm and qgis
DESCRIPTION
Talk given to various Public Health professionals in London, December 2013.TRANSCRIPT
Ordnance Survey
Big Data
QGISESRI
Proprietary
Open Source
FOSS4G
Open Data
Rasters
Vector
.shp
PostGIS
GIS
Geogeek
Python
MapInfo
CadCorp
.TAB
27700 WGS 84
WMS
data.gov.uk
.csv
Who is this man & why is he here! Name:
Job title:
Current Employer:
Geogeek:
Describe your role:
Why are you here:
Simon Miles
GIS Developer
Royal Borough of Windsor & Maidenhead
YES!
I create maps from data, scripts and code; and help 80+ other staff to roughly the same thing!
To sell you free GIS!
Routes into GIS?
QGISAstun Technology Open-Source
Goodies
Data
What is QGIS?
Open-Source GIS solution = Licence Free
<0.5 million downloads as of version 1.8
UK Local Authority uptake growing!
www.qgis.org
RBWM migrated from a proprietary to open source GIS last year
Yr 1 savings of £15,000 in just licence costs
Increased our GIS user base to over 80
Why migrate?
Image - http://abrampoon.files.wordpress.co/2010/08/at-cross-roads3.jpg
ESRI (Proprietary GIS vendor)
Costing a fortune Locked in data
No real means of scaling up GIS
?Alternative GIS vendor
?
?Spend more
with ESRI ?
?Go
Open-Source ?
Savings?
Image -http://www.q4.com/savings-accounts/
Reduction inHardware upgrades,Memory, cpu’s etc
£15,000 in ESRI
Licence costsYr 1
Server consolidation
More GIS for less
Further savings in ESRI
Licence costs of£7000Yr 2
What do we do with GIS?
Lots!Over 700 datasets in our database
Some staff….Just view data
Create dataAnalysis data
Data - PostGIS
750 odd GIS datasets
From Dog bins
to CCTV camera coverage
Data - Rasters
Ordnance Survey supplied data,Vector Map Local 1:50,000 map etc
We purchase…
Aerial PhotographyHistoric Maps
Image:http://clayman5.deviantart.com/art/raster-man-reggae-music-296533472
Data – Raw GIS formats
• Supplied by contractors
• Created in-house
• Downloads from
data.gov.uk ONS Environment Agency
Image:http://images.flatworldknowledge.com/campbell/campbell-fig04_008.jpg
Master Map – look and feelC
olo
ur
Bla
ck &
Wh
ite
Bit
of
3D
Master Map – Urban Grain
2001 census data
Crime data
imd 2010 – Living Environment
VML + QGIS + Inkscape =