[Geotiff] Images vs DEMs in GeoTiff

[Frank Warmerdam]

Nagle, Gail A (US SSA) wrote:
> Hello,
> 
>  
> 
> Is there currently anyway to determine if a given GeoTIFF file contains 
> pixels or posts?
> 
> In other words, is there a tag that states that the file is an image or 
> a DEM? If not a specific tag, then perhaps a combination of tags?

Gail,

Yes, the GTRasterTypeGeoKey geokey can have the value RasterPixelIsArea or
RasterIsPoint.

Best regards,
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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