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gvSIG Desktop raster

May 11, 2015

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Technology

Jorge Sanz

Review of gvSIG raster capabilities presented at the OSGIS 2011 event at Nottingham.
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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, …

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WCS

raster data is not just files!!

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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

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Basic functionalities

http://www.youtube.com/watch?v=B9illsVn-hc

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Histogram ● Raw data or visualized

● Normal, log. or accumulated view

● Export to DBF

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Simbology

● Gradients● Look-up tables● Adapted to

the raster pixels values

● GIMP support

smart!!

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Analysis view

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Radiometric enhacements

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Filters

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Georeferencing

http://www.youtube.com/watch?v=kQjo_m2rda4

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Vectorization

based on Potrace http://potrace.sourceforge.net

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More raster features

● Raster reprojection● Overviews generation● Regions of interest management● …

● Remote Sensing extension (not stable)● SEXTANTE

http://sextante.forge.osor.eu/

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New developments

http://www.youtube.com/watch?v=Rmv0c1EsamE

http://www.youtube.com/watch?v=AeTpQHdAwmU

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thank you!!

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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

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