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Depth Merge is a Combine Filter which is useful to combine two different
pictures or layers. You can decide which part of every image or layer will
stay visible.
Every image is associated with a map which works as a mask. Simply
create this map as a grayscale gradient: when applied onto the image,
dark areas of the mask will show the underlying image and bright areas
will mask the image.
![[Note]](images/note.png)
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To work with this filter, images and maps must have the same size.
All images to be selected must be present on screen.
You can also use this filter on an image with several layers. All
layers will appear in the drop-down lists used to select images.
These layers must have the same size.
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9.2.2.
Accessing this Filter
You can find this filter through
→ →
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Source 1, Source 2
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Defines the source images to use for the blending.
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Depth Map
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Define the picture to use as transformation maps for the sources.
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Overlap
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Creates soft transitions between images.
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Offset
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This option shifts the merging limit, giving more or less
importance to an image against the other.
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Scale 1, Scale 2
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Same as above for Offset, but more sensitive and applied to each
map separately. When you scale to a lower value, it will affect
the map image's value, making it darker. So, black is more
dominant in the merge and you will see more of the image.
Maps are grayscale gradients created with the
Blend tool and modified with the
Curve tool.
You can understand what's going on. Image-1 is treated by map-1: the red
square is masked and the yellow square remains visible. Image-2 is
treated by map-2: the red circle is masked and the green circle remains
visible. In total, the green circle and the yellow square stay visible.
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