spatial is not special ?
TRANSCRIPT
Keyboard
Spatial
is
not
Special (?)
Maurizio Napolitano [email protected]
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
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