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# SARDeramp
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Deramping/Reramping of S1 IW Burst.
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## Description
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This application does the deramping or reramping of S1 Iw burst.
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## Parameters
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**Input burst** `-in image` *Mandatory* <br />
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Input burst (from S1 Iw product).
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**Input SAR slave image (for interferometry processing** `-inslave image` <br />
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Slave SAR Image to extract SAR geometry (interferometry).
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**Output burst** `-out image [dtype]` *Mandatory* <br />
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Output burst (deramped or reramped).
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**Input deformation grid** `-ingrid image` <br />
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Input deformation grid.
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**Grid Step for range dimension into SLC geometry** `-gridsteprange int` *Default value: 150* <br />
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Grid Step for range dimension into SLC geometry.
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**Grid Step for azimut dimension into SLC geometry** `-gridstepazimut int` *Default value: 150* <br />
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Grid Step for azimut dimension into SLC geometry.
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**Activate Reramping mode** `-reramp bool` *Default value: false* <br />
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If true, then reramping else deramping.
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**Activate Shift mode (To reramp/deramp accordingly a deformation grid)** `-shift bool` *Default value: false* <br />
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If true, reramp/deramp accordingly a deformation grid (interferometry processing).
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**Available RAM (MB)** `-ram int` *Default value: 256* <br />
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Available memory for processing (in MB).
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## Examples
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From the command-line:
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```
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otbcli_SARDeramp -in s1b-s4-slc-vv-20160929t014610-20160929t014634-002277-003d71-002.tiff -out s1a-s4-slc-vv-20160818t014650-20160818t014715-012648-013db1-002_Deramp.tiff
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```
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From Python:
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```
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import otbApplication
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app = otbApplication.Registry.CreateApplication("SARDeramp")
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app.SetParameterString("in", "s1b-s4-slc-vv-20160929t014610-20160929t014634-002277-003d71-002.tiff")
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app.SetParameterString("out", "s1a-s4-slc-vv-20160818t014650-20160818t014715-012648-013db1-002_Deramp.tiff")
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app.ExecuteAndWriteOutput()
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```
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## Limitations
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Only Sentinel 1 products are supported for now. |