Feature request #12030
Ln (natural logarithm) button in Raster Calculator
|Pull Request or Patch supplied:||No||Resolution:||fixed/implemented|
|Easy fix?:||No||Copied to github as #:||20233|
It would be great if an 'Ln' logarithm function was available in the Raster Calculator. This would allow temperature and other geophysical parameters to be calculated from thermal radiance bands. The plugin 'RasterCalc' solved this for older versions of QGIS, but is not compatible with the current release.
#1 Updated by George Rodrigues da Cunha Silva almost 8 years ago
This is true. I'm developing a plugin that obviously depends on such calculation.
For what I can see in the repository, it seems simple to implement, but I do not have c++ skills or the environment to properly rig everything and do all the testing.
These are the supported nodes:
We should support log and logn.
This is where the magic happens: