
Photomatix Pro User Guide 21
The Contrast setting (Low, Medium, High) determines whether a dierence in brightness is large enough to
be detected as an edge. The higher the setting, the greater the brightness dierence has to be.
The Width box (next to the Attach to Edges box) sets the maximum distance Photomatix searches (in pixels)
from the original selection path. If Photomatix nds an edge within the Width setting, the selection is
redrawn to t the edge. If Photomatix nds a border of the image, the selection is redrawn along the border.
Changing the Width or Contrast setting immediately redraws the selection path to reect the new value.
To undo the edge t, clear the Attach to Edges checkbox.
Replacing the selected area
3.7.3 Replacing the Selected Area
Right-click (Windows) or control-click (Macintosh) anywhere within the selection. A contextual menu
appears.
– If you loaded bracketed photos, the menu identies them by their exposure dierence, relative to the
“normal” exposure. Click the photo at the EV you want.
– If you loaded a single image, click "Replace with source".
If you prefer not to see the lines marking your selection, uncheck the Selection Mode checkbox.
To discard the replacement and return to the initial preview, right-click within the selection and select the
checkmarked item in the contextual menu.
Returning to the initial preview
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