Problem National Map Viewer

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DaveL
Posts: 14
Joined: 19 May 2011 16:53
Location: Greenville,CA

Problem National Map Viewer

#1 Post by DaveL »

[ Admin edit: split from http://forum.transdem.de/viewtopic.php?f=8&t=20 ]

Hi Phil,

A TIF that I just got from the above source will not load in TDem.
The complaint is it cannot handle 32 bit samples......

Knowing me, I have not done something correctly !!


Dave
geophil
Posts: 1515
Joined: 05 Jan 2011 16:45
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Re: Geo Data - USA

#2 Post by geophil »

Are you opening this .tif as a DEM or as a raster map - and which one is it supposed to be?
DaveL
Posts: 14
Joined: 19 May 2011 16:53
Location: Greenville,CA

Re: Geo Data - USA

#3 Post by DaveL »

Only as a raster map.
I thought I downloaded a GeoTiff.......

Dave
geophil
Posts: 1515
Joined: 05 Jan 2011 16:45
Contact:

Re: Geo Data - USA

#4 Post by geophil »

You will usually get this error when you try to open an NED DEM as a raster map. GeoTIFF is legal for both, however, the NED DEM will have a single "colour" band with 32 bit samples which won't make much sense as a raster image.
DaveL
Posts: 14
Joined: 19 May 2011 16:53
Location: Greenville,CA

Re: Geo Data - USA

#5 Post by DaveL »

Thanks Roland,
The file opened as a DEM.

Dave
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