Balancing rocks on Poltesco beach, Exposure X5: When I saw this balancing pile of rocks, I was sure I could make a picture out of it, with the pebble beach in the foreground and the silvery sea and sky in the background.
Gradient mask
An image mask that transitions from clear to opaque gradually using a soft gradient. It could be used to darken a bright sky in a landscape shot, for example, without producing a hard edge where the adjustment takes effect.
DxO PhotoLab Graduated Filter, Control Points and Repair tool in action
This step-by-step editing walkthrough shows a number of DxO PhotoLab tools in action, principally the Local Adjustment tools, including the Graduated Filter and Control Point tools.