Image Processing Reference
In-Depth Information
Figure 3.96
The transformation
frame around the
selection in the image
and the extended tool
settings of the Ellipse
Select tool (Image
courtesy of NASA)
• Reduce the feathering in your selection to about 5 px (
Select > Feather
).
• Access the
Edit > Copy
function and copy the object within the selection—
the moon—to the clipboard. Then close the
moon.png
image.
• Switch to the
fenice_base.xcf
image.
• Set the top layer to active in the
Layers
dialog.
• Choose
Edit > Paste
. Since the top layer is active, the content from the
clipboard - still the moon - is inserted on top of this layer.
• Accept the pasted layer as a new layer by right-clicking and selecting
New
Layer
. Call this layer
moon
.
• Position the layer and use the
Scale tool
to enlarge it until you're happy.
• Now transform the moon into a sickle. To do this, irst drag an elliptic
selection with strong feathering (about 200 px) partially over the moon.
Choose
Edit > Clear
to delete the contents of the selection. Select
Select >
None
to delete the elliptical selection. Reduce the opacity of the moon to
about 75% in the
Layers
dialog.
• In the
Layers
dialog, select
Addition
or
Screen
in the
Mode
drop-down
menu.
• Save your image.
As you can see, most of the work steps are slowly becoming routine as
you repeat them. So far, however, we haven't used any
Mode
options. The
Normal
mode produces overlays that act as you would intuitively expect them
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