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<< Click to Display Table of Contents >> General Tools - Digital Elevation Model Fusion - DEM Fusion Weighted Average |
  
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<< Click to Display Table of Contents >> General Tools - Digital Elevation Model Fusion - DEM Fusion Weighted Average |
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Purpose
Two existing DEMs or DSMs, previously generated with SARscape or OPTICALscape, can be combined by exploiting their pixel resolution and reliability.
Technical Note
This module provides the most straight-forward way to combine two DEMs with respective accuracy/reliability information at raster level. The DEMs information is combined in a weighted way in each pixel location using a weighted average procedure. The program is intended to combine DEM products with:
| - | same grid size. |
| - | same number of rows and columns. |
| - | same Cartographic System or, in case of slant range products, same pixel sampling and same number of rows and columns. |
If these conditions are not met, it is necessary that the lower resolution product ("Low DEM file" input), and the associated files, are resized to the same pixel sampling and pixel number of the high resolution product ("High DEM file" input), in order to have all inputs of the same dimension. The resize operation can be performed using the Data Preparation module.
Input File(s)
DEM File 1
File name of the higher resolution input DEM. This file is mandatory.
Weight File 1
Input weight file related to the higher resolution input DEM. This can be represented by the resolution (InSAR DEM) or the reliability (Stereo DEM). This file is mandatory.
DEM File 2
File name of the lower resolution input DEM. This file is mandatory.
Weight File2
Input weight file related to the lower resolution input DEM. This can be represented by the resolution (InSAR DEM) or the reliability (Stereo DEM). This file is mandatory.
Output file
Name of the output root. This file is mandatory.
Parameters - Global
It brings to the general section of the Preferences parameters. Any modified value will be used and stored for further processing sessions.
Parameters - Other Parameters
It brings to the general section of the Preferences parameters. Any modified value will be used and stored for further processing sessions.
Output Files
Output file
Name of the output root. This file is mandatory.
Output
_dem
Fusion resulting Digital Elevation Model with the corresponding header files (.sml, .hdr).
General Functions
Exec
The processing step is executed.
Store Batch
The processing step is stored in the batch list. The Batch Browser button allows to load the batch processing list.
Close
The window will be closed.
Help
Specific help document section.
Specific Function(s)
None.
Task, SARscapeBatch object, SARscapeBatch script example
References None.