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  • app_SARDEMToAmplitude

app_SARDEMToAmplitude · Changes

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ENH : Wiki for DiapOTB module authored Sep 17, 2019 by Gaëlle USSEGLIO's avatar Gaëlle USSEGLIO
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Applications/app_SARDEMToAmplitude.md 0 → 100644
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# SARDEMToAmplitude
Simu_SAR step for Diapason chain.
## Description
This application executes the Simu_SAR step with three internal applications : SARDEMProjection, SARAmplitudeEstimation and SARMultiLook.
## Parameters
**Input DEM** `-indem image` *Mandatory* <br />
DEM to extract DEM geometry.
**Input SAR image** `-insar image` *Mandatory* <br />
SAR Image to extract SAR geometry.
**Output simulated amplitude Image (this output image is multilooked)** `-out image [dtype]` *Mandatory* <br />
Output simulated amplitude Image (this output image is multilooked).
**Available RAM (MB)** `-ram int` *Default value: 256* <br />
Available memory for processing (in MB).
**No Data values for the DEM** `-nodata int` *Default value: -32768* <br />
No Data values for the DEM.
**Averaging on distance** `-mlran int` *Default value: 3* <br />
Averaging on distance
**Averaging on azimut** `-mlazi int` *Default value: 3* <br />
Averaging on azimut
**Gain to apply on ML image** `-mlgain float` *Default value: 1* <br />
Gain to apply on ML image
## Examples
From the command-line:
```
otbcli_SARDEMToAmplitude -indem S21E055.hgt -insar s1a-s4-slc-vv-20160818t014650-20160818t014715-012648-013db1-002_SLC.tiff -out s1a-s4-simu-amplitude.tiff
```
From Python:
```
import otbApplication
app = otbApplication.Registry.CreateApplication("SARDEMToAmplitude")
app.SetParameterString("indem", "S21E055.hgt")
app.SetParameterString("insar", "s1a-s4-slc-vv-20160818t014650-20160818t014715-012648-013db1-002_SLC.tiff")
app.SetParameterString("out", "s1a-s4-simu-amplitude.tiff")
app.ExecuteAndWriteOutput()
```
## Limitations
Only Sentinel 1 products are supported for now.
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