Pixel Value¶
Get the value of a pixel.
Detailed description¶
Get the value of a pixel. Pay attention, index starts at 0.
Parameters¶
This section describes in details the parameters available for this application. Table [1] presents a summary of these parameters and the parameters keys to be used in command-line and programming languages. Application key is PixelValue .
| [1] | Table: Parameters table for Pixel Value. |
| Parameter Key | Parameter Type | Parameter Description |
|---|---|---|
| in | Input image | Input image |
| coordx | Int | Int |
| coordy | Int | Int |
| cl | List | List |
| value | String | String |
| inxml | XML input parameters file | XML input parameters file |
| outxml | XML output parameters file | XML output parameters file |
- Input Image: Input image.
- Col index: Column index of the wanted pixel (starts at 0).
- Line index: Line index of the wanted pixel (starts at 0).
- Channels: Displayed channels.
- Pixel Value: Pixel radiometric value.
- Load otb application from xml file: Load otb application from xml file.
- Save otb application to xml file: Save otb application to xml file.
Example¶
To run this example in command-line, use the following:
otbcli_PixelValue -in QB_Toulouse_Ortho_XS.tif -coordx 50 -coordy 100 -cl Channel1
To run this example from Python, use the following code snippet:
#!/usr/bin/python
# Import the otb applications package
import otbApplication
# The following line creates an instance of the PixelValue application
PixelValue = otbApplication.Registry.CreateApplication("PixelValue")
# The following lines set all the application parameters:
PixelValue.SetParameterString("in", "QB_Toulouse_Ortho_XS.tif")
PixelValue.SetParameterInt("coordx", 50)
PixelValue.SetParameterInt("coordy", 100)
# The following line execute the application
PixelValue.ExecuteAndWriteOutput()
Limitations¶
None
Authors¶
This application has been written by OTB-Team.