Function to help while debugging the surveyDialog.
Moving the GeoTools class to a new package
Fixing references
Adding a set of helper functions to GeoTools
Adding a helper class to sample a line.
Renaming a method.
Fixing a problem with methods visibilities
Forgot to add the new sampled points to the resulting list
Fixing references
Extracting code to build a grid.
Testing if generating a grid in real-time is too CPU intensive