Embed Size (px)
DESCRIPTION
Review of gvSIG raster capabilities presented at the OSGIS 2011 event at Nottingham.
Citation preview
gvSIG Desktop raster
Amelia del [email protected]
Mario [email protected]
José Vicente Higó[email protected]
Jorge Sanz [email protected]
Raster file formats
● Not all formats activated● Can't test them all● To support .rik:
● Ask on mailing lists● Provide some test data
● gvSIG uses GDAL (format list)● Most used formats are available● img, tiff, jpeg 2000, adf, asc, hdr, …
WCS
raster data is not just files!!
Basic functionalities
● Raster metadata: size, bands, etc● Transparency: opacity, per pixel● Pixel information● Bands display selection● Export● Brightness and contrast● Basic enhacing● Scale dependent display
Basic functionalities
http://www.youtube.com/watch?v=B9illsVn-hc
Histogram ● Raw data or visualized
● Normal, log. or accumulated view
● Export to DBF
Simbology
● Gradients● Look-up tables● Adapted to
the raster pixels values
● GIMP support
smart!!
Analysis view
Radiometric enhacements
Filters
Georeferencing
http://www.youtube.com/watch?v=kQjo_m2rda4
More raster features
● Raster reprojection● Overviews generation● Regions of interest management● …
● Remote Sensing extension (not stable)● SEXTANTE
http://sextante.forge.osor.eu/
New developments
http://www.youtube.com/watch?v=Rmv0c1EsamE
http://www.youtube.com/watch?v=AeTpQHdAwmU
thank you!!
Credits
● Don't support .rik?http://memegenerator.net/instance/8299121
● GIMP Logohttp://userlogos.org/node/1146
● Kittens by Christian Holmerhttp://www.flickr.com/photos/crsan/2571204698
