ASTER topography - Revision history

Neteler: /* See also */ less orphaned categories

2013-02-19T07:48:04Z

⚠️NikosA: attention box re-colored

2013-01-01T00:59:30Z

attention box re-colored

← Older revision		Revision as of 00:59, 1 January 2013
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	<div class="boilerplate metadata" id="attention" style="-moz-border-radius:30px; border: 1px double #~~4da948~~; margin-bottom: 1.5em; padding: 1em; background-color: #~~dcdcdc~~;">		<div class="boilerplate metadata" id="attention" style="-moz-border-radius:30px; border: 1px double #35824B; margin-bottom: 1.5em; padding: 1em; background-color: #f9f9f9;">
	<p style="font-size: 150%; text-align: left;">'''Attention''' </p>'''The following instructions concern the first release of the ASTER GDEM data base. The public distribution of a second, much improved version, started in October 2011 (refer to [http://www.jspacesystems.or.jp/e/ Japan Space Systems'] [http://www.jspacesystems.or.jp/ersdac/GDEM/E/ ASTER GDEM dedicated website] for [http://www.jspacesystems.or.jp/ersdac/GDEM/E/4.html details] and [http://www.jspacesystems.or.jp/ersdac/GDEM/ver2Validation/Summary_GDEM2_validation_report_final.pdf a high-level validation study]).'''		<p style="font-size: 150%; text-align: left;"><span style="color:#35824B">'''Attention'''</span> </p><span style="color:#303030">'''The following instructions concern the first release of the ASTER GDEM data base. The public distribution of a second, much improved version, started in October 2011 (refer to [http://www.jspacesystems.or.jp/e/ Japan Space Systems'] [http://www.jspacesystems.or.jp/ersdac/GDEM/E/ ASTER GDEM dedicated website] for [http://www.jspacesystems.or.jp/ersdac/GDEM/E/4.html details] and [http://www.jspacesystems.or.jp/ersdac/GDEM/ver2Validation/Summary_GDEM2_validation_report_final.pdf a high-level validation study]).'''</span>

	</div>		</div>

⚠️NikosA: /* See also */ added link to

2013-01-01T00:20:04Z

See also: added link to <http://grasswiki.osgeo.org/wiki/Global_datasets#ASTER_topography_.28GDEM_V2.29>

← Older revision		Revision as of 00:20, 1 January 2013
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	* http://www.geomorphometry.org/content/gdem-quick-assessment		* http://www.geomorphometry.org/content/gdem-quick-assessment

			* [http://grasswiki.osgeo.org/wiki/Global_datasets#ASTER_topography_.28GDEM_V2.29 GRASS-Wiki entry about ASTER GDEM v2]

	[[Category: Geodata]]		[[Category: Geodata]]

⚠️NikosA: Attention box retouched

2013-01-01T00:16:33Z

Attention box retouched

← Older revision		Revision as of 00:16, 1 January 2013
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	<div class="boilerplate metadata" id="attention" style="-moz-border-radius:30px; border: 1px double #4da948; margin-bottom: ~~1em~~; padding: ~~0 .25em~~; background-color: #dcdcdc;">		<div class="boilerplate metadata" id="attention" style="-moz-border-radius:30px; border: 1px double #4da948; margin-bottom: 1.5em; padding: 1em; background-color: #dcdcdc;">
	<p style="font-size: 150%; text-align: left;">'''Attention''' </p>'''The following instructions concern the first release of the ASTER GDEM data base. The public distribution of a second, much improved version, started in October 2011 (refer to [http://www.jspacesystems.or.jp/e/ Japan Space Systems'] [http://www.jspacesystems.or.jp/ersdac/GDEM/E/ ASTER GDEM dedicated website] for [http://www.jspacesystems.or.jp/ersdac/GDEM/E/4.html details] and [http://www.jspacesystems.or.jp/ersdac/GDEM/ver2Validation/Summary_GDEM2_validation_report_final.pdf a high-level validation study]).'''		<p style="font-size: 150%; text-align: left;">'''Attention''' </p>'''The following instructions concern the first release of the ASTER GDEM data base. The public distribution of a second, much improved version, started in October 2011 (refer to [http://www.jspacesystems.or.jp/e/ Japan Space Systems'] [http://www.jspacesystems.or.jp/ersdac/GDEM/E/ ASTER GDEM dedicated website] for [http://www.jspacesystems.or.jp/ersdac/GDEM/E/4.html details] and [http://www.jspacesystems.or.jp/ersdac/GDEM/ver2Validation/Summary_GDEM2_validation_report_final.pdf a high-level validation study]).'''

	</div>		</div>

⚠️NikosA: restructured again, minor typo

2013-01-01T00:13:40Z

restructured again, minor typo

← Older revision		Revision as of 00:13, 1 January 2013
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			<div class="boilerplate metadata" id="attention" style="-moz-border-radius:30px; border: 1px double #4da948; margin-bottom: 1em; padding: 0 .25em; background-color: #dcdcdc;">
			<p style="font-size: 150%; text-align: left;">'''Attention''' </p>'''The following instructions concern the first release of the ASTER GDEM data base. The public distribution of a second, much improved version, started in October 2011 (refer to [http://www.jspacesystems.or.jp/e/ Japan Space Systems'] [http://www.jspacesystems.or.jp/ersdac/GDEM/E/ ASTER GDEM dedicated website] for [http://www.jspacesystems.or.jp/ersdac/GDEM/E/4.html details] and [http://www.jspacesystems.or.jp/ersdac/GDEM/ver2Validation/Summary_GDEM2_validation_report_final.pdf a high-level validation study]).'''
			</div>

	== Download ==		== Download ==
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	* from [http://www.gdem.aster.ersdac.or.jp/ Japan's Ground Data System]		* from [http://www.gdem.aster.ersdac.or.jp/ Japan's Ground Data System]

	== Importing ASTER GDEM tiles in ~~GRAS~~' data base ==		== Importing ASTER GDEM tiles in GRASS' data base ==
	~~<div class="boilerplate metadata" id="attention" style="-moz-border-radius:30px; border: 1px double #4da948; margin-bottom: 1em; padding: 0 .25em; background-color: #dcdcdc;">~~
	<p style="font-size: 150%; text-align: left;">'''Attention''' </p>'''The following instructions concern the first release of the ASTER GDEM data base. The public distribution of a second, much improved version, started in October 2011 (refer to [http://www.jspacesystems.or.jp/e/ Japan Space Systems'] [http://www.jspacesystems.or.jp/ersdac/GDEM/E/ ASTER GDEM dedicated website] for [http://www.jspacesystems.or.jp/ersdac/GDEM/E/4.html details] and [http://www.jspacesystems.or.jp/ersdac/GDEM/ver2Validation/Summary_GDEM2_validation_report_final.pdf a high-level validation study]).'''
	~~</div>~~
	=== Mosaicking ASTER GDEM tiles ===		=== Mosaicking ASTER GDEM tiles ===
	Mosaicking all tiles can be done with <code>gdalwarp</code> and <code>wildcards</code>: <source lang="bash">		Mosaicking all tiles can be done with <code>gdalwarp</code> and <code>wildcards</code>: <source lang="bash">

⚠️NikosA: /* Steps to import ASTER GDEM tiles in GRASS: */ restructured, improved formatting and wording, references to ASTER GDEM v2

2013-01-01T00:10:56Z

Steps to import ASTER GDEM tiles in GRASS:: restructured, improved formatting and wording, references to ASTER GDEM v2

← Older revision		Revision as of 00:10, 1 January 2013
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	* from [http://www.gdem.aster.ersdac.or.jp/ Japan's Ground Data System]		* from [http://www.gdem.aster.ersdac.or.jp/ Japan's Ground Data System]

	== ~~Steps to import~~ ASTER GDEM tiles in ~~GRASS~~: ==		== Importing ASTER GDEM tiles in GRAS' data base ==
			<div class="boilerplate metadata" id="attention" style="-moz-border-radius:30px; border: 1px double #4da948; margin-bottom: 1em; padding: 0 .25em; background-color: #dcdcdc;">
			<p style="font-size: 150%; text-align: left;">'''Attention''' </p>'''The following instructions concern the first release of the ASTER GDEM data base. The public distribution of a second, much improved version, started in October 2011 (refer to [http://www.jspacesystems.or.jp/e/ Japan Space Systems'] [http://www.jspacesystems.or.jp/ersdac/GDEM/E/ ASTER GDEM dedicated website] for [http://www.jspacesystems.or.jp/ersdac/GDEM/E/4.html details] and [http://www.jspacesystems.or.jp/ersdac/GDEM/ver2Validation/Summary_GDEM2_validation_report_final.pdf a high-level validation study]).'''
			</div>
			=== Mosaicking ASTER GDEM tiles ===
			Mosaicking all tiles can be done with <code>gdalwarp</code> and <code>wildcards</code>: <source lang="bash">
			gdalwarp AST*.tif aster_mosaic.tif</source>

			The big <code>aster_mosaic.tif</code> can be imported in GRASS' data base as usual by using the <code>r.in.gdal</code> module.

			=== Importing individual ASTER GDEM tiles in GRASS ===
			<source lang="bash">
	# save downloaded zip files in one directory		# save downloaded zip files in one directory
	# enter in directory and unzip files at once		# enter in directory and unzip files at once
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	# assign colors		# assign colors
	r.colors aster_gdem color=terrain		r.colors aster_gdem color=terrain
			</source>

	~~'''Note 1:''' You can also mosaic all tiles with gdalwarp and wildcards:~~		== Special color rules ==
	~~gdalwarp AST*.tif mosaic.tif~~

	~~'''Note 2:''' Experimenting on~~ color rules ~~that~~ replicate NASA's [http://www.nasa.gov/images/content/363790main_PIA12090_gdem-press-colorized-topo.tif "GDEM press colorized topo"] published at [http://www.nasa.gov/topics/earth/features/20090629.html "Mission News"]~~. Some color rules to start with..~~.		Below are some starter color rules attempting to replicate NASA's [http://www.nasa.gov/images/content/363790main_PIA12090_gdem-press-colorized-topo.tif "GDEM press colorized topo"] published at [http://www.nasa.gov/topics/earth/features/20090629.html "Mission News"].

			<source lang="bash">
	# create a file (named for example '''aster_gdem''')		# create a file (named for example '''aster_gdem''')
	# under the directory '''/etc/colors'''		# under the directory '''/etc/colors'''
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	# apply colors		# apply colors
	r.colors aster_gdem color=aster_gdem		r.colors aster_gdem color=aster_gdem
			</source>

	== See also ==		== See also ==

Neteler: /* See also */

2012-12-20T15:04:44Z

⚠️NikosA: /* See also */ Category: DEM

2012-12-12T06:14:32Z

⚠️NikosA: minor comments formatting

2012-10-16T21:38:45Z

minor comments formatting

← Older revision		Revision as of 21:38, 16 October 2012
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	'''Note 2:''' Experimenting on color rules that replicate NASA's [http://www.nasa.gov/images/content/363790main_PIA12090_gdem-press-colorized-topo.tif "GDEM press colorized topo"] published at [http://www.nasa.gov/topics/earth/features/20090629.html "Mission News"]. Some color rules to start with...		'''Note 2:''' Experimenting on color rules that replicate NASA's [http://www.nasa.gov/images/content/363790main_PIA12090_gdem-press-colorized-topo.tif "GDEM press colorized topo"] published at [http://www.nasa.gov/topics/earth/features/20090629.html "Mission News"]. Some color rules to start with...

	# create a file (named for example '''aster_gdem''') under the directory '''/etc/colors''' within the local grass installation (e.g. '''/usr/local/grass-6.4.0svn/etc/colors/aster_gdem''')		# create a file (named for example '''aster_gdem''')
			# under the directory '''/etc/colors'''
			# within the local grass installation (e.g. '''/usr/local/grass-6.4.0svn/etc/colors/aster_gdem''')

	# copy-paste the following rules		# copy-paste the following rules

⚠️Madi: /* See also */

2012-10-16T21:12:40Z

← Older revision		Revision as of 07:48, 19 February 2013
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	[[Category: Geodata]]		[[Category: Geodata]]
	[[Category: Tutorial]]		[[Category: Tutorial]]
	~~[[Category: DEM]]~~
	[[Category: Import]]		[[Category: Import]]

← Older revision		Revision as of 15:04, 20 December 2012
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	[[Category: Geodata]]		[[Category: Geodata]]
	[[Category: Tutorial]]		[[Category: Tutorial]]
	~~[[Category:How to]]~~
	[[Category: DEM]]		[[Category: DEM]]
			[[Category: Import]]

← Older revision		Revision as of 06:14, 12 December 2012
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	[[Category: Tutorial]]		[[Category: Tutorial]]
	[[Category:How to]]		[[Category:How to]]
			[[Category: DEM]]

← Older revision		Revision as of 21:12, 16 October 2012
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	[[Category: Geodata]]		[[Category: Geodata]]
	[[Category: Tutorial]]		[[Category: Tutorial]]
			[[Category:How to]]