Blue Marble - Revision history

Neteler: update Blue Marble ''next generation'' URL

2020-12-31T14:15:59Z

update Blue Marble ''next generation'' URL

← Older revision		Revision as of 14:15, 31 December 2020
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	aka Blue Marble ''next generation'', available at 8km, 2km, and 500m per pixel resolution. (i.e. 4 arc-minute, 1 minute, and 1/2 arc-minute)		aka Blue Marble ''next generation'', available at 8km, 2km, and 500m per pixel resolution. (i.e. 4 arc-minute, 1 minute, and 1/2 arc-minute)

	NASA site: ~~http~~://earthobservatory.nasa.gov/~~Newsroom~~/BlueMarble/		NASA site: https://earthobservatory.nasa.gov/features/BlueMarble


	* I am not sure if the "''500m''" version is actually 1/4' or in fact 1/2'. At the equator 1/2' is 926m.		* I am not sure if the "''500m''" version is actually 1/4' or in fact 1/2'. At the equator 1/2' is 926m.


	==== Download ====		==== Download ====
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	: [http://ktorrent.org ktorrent] is a nice BitTorrent client for Linux		: [http://ktorrent.org ktorrent] is a nice BitTorrent client for Linux


	== Processing ==		== Processing ==

2012-12-20T14:50:48Z

Processing

2010-08-02T22:04:50Z

added categories

← Older revision		Revision as of 22:04, 2 August 2010
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	# visualize in 3D		# visualize in 3D
	nviz elev=etopo2@etopo2 color=BlueMarble2002_2min		nviz elev=etopo2@etopo2 color=BlueMarble2002_2min

			[[Category:Geodata]]

2009-05-25T12:02:58Z

2002

← Older revision		Revision as of 12:02, 25 May 2009
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	Data source: [http://visibleearth.nasa.gov/view_set.php?categoryID=2364 NASA's Visible Earth] website.		Data source: [http://visibleearth.nasa.gov/view_set.php?categoryID=2364 NASA's Visible Earth] website.

	: From this site you can also get the well known "Earth at night" image, and a version of the Blue Marble including clouds.		: From this site you can also get the well known "[[Earth at night]]" image, and a version of the Blue Marble including clouds.

	The entire world image is 43200x21600, 1/2 arc-minute (~1km per pixel) resolution.		The entire world image is 43200x21600, 1/2 arc-minute (~1km per pixel) resolution.

2008-10-13T08:24:52Z

Processing: brighten

← Older revision		Revision as of 08:24, 13 October 2008
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	# visualize in 2D		# visualize in 2D
	r.shaded.relief map=etopo2@etopo2 units=meters		r.shaded.relief map=etopo2@etopo2 units=meters
	d.shadedmap relief=etopo2.shaded drape=BlueMarble2002_2min		d.shadedmap relief=etopo2.shaded drape=BlueMarble2002_2min \
			brighten=70

	# visualize in 3D		# visualize in 3D
	nviz elev=etopo2@etopo2 color=BlueMarble2002_2min		nviz elev=etopo2@etopo2 color=BlueMarble2002_2min

2008-10-13T08:13:16Z

Processing: r.shaded.relief

← Older revision		Revision as of 08:13, 13 October 2008
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	# visualize in 2D		# visualize in 2D
	d.~~shademap~~ relief=etopo2@etopo2 ~~drape~~=~~BlueMarble2002_2min~~		r.shaded.relief map=etopo2@etopo2 units=meters
	~~<!-- r.shaded~~.relief ~~map~~=etopo2~~@etopo2 units~~=~~meters -->~~		d.shadedmap relief=etopo2.shaded drape=BlueMarble2002_2min

	# visualize in 3D		# visualize in 3D
	nviz elev=etopo2@etopo2 color=BlueMarble2002_2min		nviz elev=etopo2@etopo2 color=BlueMarble2002_2min

2008-10-13T07:56:07Z

Processing: i.landsat.rgb not needed

← Older revision		Revision as of 07:56, 13 October 2008
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	done		done

	# ~~normalize colors (down-sample more to speed it up)~~		# display
	~~g.region res=0:05~~		d.rgb r=${base}_2min.red g=${base}_2min.green b=${base}_2min.blue
	~~i.landsat~~.rgb r=${base}_2min.red g=${base}_2min.green b=${base}_2min.blue
	~~g.region rast=${base}_2min.red~~

	# create composite image for use with NVIZ		# create composite image for use with NVIZ

2008-10-13T07:09:37Z

Processing

← Older revision		Revision as of 07:09, 13 October 2008
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	== Processing ==		== Processing ==

	The following example demonstrates import and visualization of the Blue Marble imagery draped over the [[Global_datasets#~~ETOPO2~~\|ETOPO2 global topography]] dataset.		The following example demonstrates import and visualization of the Blue Marble imagery draped over the [[Global_datasets#ETOPO\|ETOPO2 global topography]] dataset.

	# in a lat/lon location ....		# in a lat/lon location ....

2008-10-13T07:08:27Z

Processing

← Older revision		Revision as of 07:08, 13 October 2008
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	r.composite r=${base}_2min.red g=${base}_2min.green b=${base}_2min.blue \		r.composite r=${base}_2min.red g=${base}_2min.green b=${base}_2min.blue \
	out=${base}_2min		out=${base}_2min

			# visualize in 2D
			d.shademap relief=etopo2@etopo2 drape=BlueMarble2002_2min
			<!-- r.shaded.relief map=etopo2@etopo2 units=meters -->

	# visualize in 3D		# visualize in 3D
	nviz elev=etopo2@etopo2 color=BlueMarble2002_2min		nviz elev=etopo2@etopo2 color=BlueMarble2002_2min

	~~# visualize in 2D~~
	~~d.shademap relief=etopo2@etopo2 drape=BlueMarble2002_2min~~
	~~<!-- r.shaded.relief map=etopo2@etopo2 units=meters -->~~

2008-10-13T07:07:52Z

Processing: 2d

← Older revision		Revision as of 07:07, 13 October 2008
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	out=${base}_2min		out=${base}_2min

	# visualize		# visualize in 3D
	nviz elev=etopo2@etopo2 color=BlueMarble2002_2min		nviz elev=etopo2@etopo2 color=BlueMarble2002_2min

			# visualize in 2D
			d.shademap relief=etopo2@etopo2 drape=BlueMarble2002_2min
			<!-- r.shaded.relief map=etopo2@etopo2 units=meters -->