Round down to 0 any cell value less than 1
Round down to 0 any cell value less than 1

Some cells end up with really small values (1e-12).  Round them down to
0 to make things more presentable.

ricardog/raster-project,ricardog/raster-project,ricardog/raster-project,ricardog/raster-project,ricardog/raster-project