No Data management

Brief Description

Manage No-Data

Tags

Image Manipulation, Conversion, Image Dynamic

Long Description

This application has two modes. The first allows building a mask of no-data pixels from the no-data flags read from the image file. The second allows updating the change the no-data value of an image (pixels value and metadata). This last mode also allows replacing NaN in images with a proper no-data value. To do so, one should activate the NaN is no-data option.

Parameters

Input image (in): Input image
Output Image (out): Output image
Consider NaN as no-data (usenan): If active, the application will consider NaN as no-data values as well
No-data handling mode (mode): Allows choosing between different no-data handling options
- Build a no-data Mask (buildmask):
  - Inside Value (mode.buildmask.inv): Value given in the output mask to pixels that are not no data pixels
  - Outside Value (mode.buildmask.outv): Value given in the output mask to pixels that are no data pixels
- Change the no-data value (changevalue):
  - The new no-data value (mode.changevalue.newv): The new no-data value
- Apply a mask as no-data (apply): Apply an external mask to an image using the no-data value of the input image
  - Mask image (mode.apply.mask): Mask to be applied on input image (valid pixels have non null values)
  - Nodata value used (mode.apply.ndval): No Data value used according to the mask image

Available RAM (Mb) (ram): Available memory for processing (in MB)
Load otb application from xml file (inxml): Load otb application from xml file
Save otb application to xml file (outxml): Save otb application to xml file

Limitations

None

Authors

OTB-Team