[UW-GIS-L] On the topic of DEMs (Pakistan)

[Harvey Greenberg]

Yes, that 1" (~30m) DEM is the finest world dataset.  Although it shows 
fine detail, there is a distracting nubbiness, and I usually use the 3" 
(~90m) SRTM data, especially the HydroSHEDS version.  If you don't want 
to download and mosaic it yourself, I have much of Asia as a 
(conditioned) 3" DEM and a hillshade.  The hillshade has bilinear 
pyramids, which is the only decent way to display high-resolution 
hillshades.  You can arrange to come by my office and clip out what you 
want.  If you want to start at a lower resolution, the HydroSHEDS site 
has that too.

harvey

Matthew Parsons wrote:

> Joe,

>

> You might want to consider the ASTER global DEM available via NASA.

> http://gcmd.nasa.gov/KeywordSearch/Metadata.do?Portal=GCMD&MetadataType=0&MetadataView=Full&KeywordPath=&EntryId=ASTGTM1 

>

>

> Press release info: 

> http://www.nasa.gov/home/hqnews/2009/jun/HQ_09-150_ASTER_Topographic_Map.html 

>

>

> -Matt

>

>

> Josef Eckert wrote:

>> Hi,

>>

>> I'm hunting for DEMs of Pakistan and India, and I'm unable to obtain 

>> funds for a paid solution.  I was wondering if anyone had 

>> recommendations on where to pick up these for free?  I'll only be 

>> using them as a hillshade, so resolution isn't terribly important.

>>

>> Best,

>> Joe Eckert

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	Harvey Greenberg
	University of Washington
	Department of Earth and Space Sciences
        College of the Environment
	Box 351310
	Seattle WA 98195-1310