DEM
===========


Product Description
-------------------


The product represents the Digital Elevation Model (elevation in m), by default from SRTM USGS.

The geotiff file  has 2 bands: 

+ **band 1** is the elevation (in m)
+ **band 2** is a shaded view of the topography (simulated SAR amplitude image from the DEM)

the png file has 1 band:

+ **band 1** is the elevation, normalized by a color palette.


Available products
------------------- 


The DEM is computed in two resolutions:

- rint = 2 (resolution of interferogram)
- runw = 8 (resolution of unwrapped interferogram)

The DEM is computed in one geometry (radar geometry) :

.. toctree::
   :maxdepth: 3
   
   DEM_radar