Keyboard

Spatial
is
not
Special (?)

Maurizio Napolitano maurizio.napolitano@okfn.org

The gis background

The gis wikification

paper here http://tinyurl.com/gis-jolie

Great "Long Tail" Illustration by John Hyde of LeftClick.com

form the GIS specialists

to the neogeographers

OpenStreetMap

~

is a free worldwide map,

created by people like you.

http://tools.geofabrik.de/mc

http://content.stamen.com/files/cartography/index_watercolor.html#12.00/60.1752/24.9601

Watercolor map by Stamen

http://softcities.net

https://plus.google.com/112153365286725889851/posts/EmPDFXNN7tJ

How avoiding to REINVENT THE WHEEL?

Markus Netelercoordinator of the GRASS project

http://gis.cri.fmach.it/download/from_mrt_to_voxel_grass_gis_paraview.pdf

GRASS + PARAVIEW = from gis to the a brain model (by a TAC)

GRASS + PARAVIEW = from gis to the a brain model (by a TAC)

Commission on Neocartographythe newly established ICA Commission on Neocartography

http://neocartography.icaci.org/

ICA = International Cartography Association

http://icaci.org/first-meeting-of-the-commission-on-neocartography/

Spatial is Special?

NO!Data are data

The Geographical Information Systems are very well defined

YES!Maps are the power

http://justinholman.com/2012/03/20/spatial-is-indeed-special/

Spatial is Indeed Specialbut GIS Software Skills will Soon be Obsolete

The map simplifies the complexity

The GIS recipe

Projections

Data models

Analysis

Rendering

Projections

source: http://xkcd.com/977/

Ex. Cilindric projection

(X,Y)

Datum

http://www.gisetelerilevamento.com/2010/04/superfici-di-riferimento-e-coordinate/

Ex.World Geodetic System 84

geoid

Universal Traverse Mercator

source: USGS

UTM Zone

http://upload.wikimedia.org/wikipedia/commons/e/ed/Utm-zones.jpg

The most used in web devel.

EPSG:4326 - WGS84Degree (lat/long)

WGS84

EPSG:900913 Google MercatorMeters

WGS84

World without polosDigit version of the word GOOGLE

EPSG?

ex European Petroleum Survey Group

http://www.epsg.org/

http://spatialreference.org/

simplyfies your life

Data Models

Discrete DataVectors with attributesPointsLinesPolygons

Continuous DataMatrixEx. Digital Elevations ModelsSolar Power cellsOrthophotos

GEOREFENCED

Example Raster

http://en.wikipedia.org/wiki/Esri_grid

DTM gray

DTM elevation

Example Vector

Points

Lines

Overlay

Query

Click to edit the title text format