Artificial Elements - FOG

Step 1 : Hue/sat adjustment layer

Step 2: desat to -100; Lightness to +100 (get a white image)

Step 3: Press D (to set default colours)

Step 4: Press G - for the gradient tool (linear gradient

Step 5: Click on layer mask thumbnail to get mask

Step 6: drag gradient across image to get white at top & nothing at bottom.

Step 7: paint back (or erace) on mask thumbnail to get areas to front of image without or with less white.

Step 8: New background layer called Mist

Step 9: Select area in middle of canvas (feather ~30)

Step 10: select Filters>Render > Clouds; then Command D to deselect.

Step 11:Select 'Blending options' in layers pallet (ie top RH corner of layers window) & do as follows. Can split triangle by holding alt + click on it:

Step 12: mask unwanted mist.