Graphics Programs Reference
In-Depth Information
seamless 360 degree panorama that can be exported to a third-party program
for posting on the Web as an interactive wraparound panorama.
1.
Open
HDR-Panorama.psd
if it is not already open.
O
2.
Press Cmd+A to select all. Choose Select a Transform Selection.
Select the middle-left reference point on the options bar, make sure
the aspect ratio is unlocked, and type
50%
in the Width text box
(see Figure 14.15). Press Enter to select exactly the left half of the
panorama.
HDR-Panorama
.jpg
is avail-
able on the topic's
down loads page.
Middle-left reference point
Aspect ratio unlocked
FIGURe 14.15
Transforming the selection to precisely select half of the panorama
3.
Press Cmd+J to copy the selection to Layer 1. Press Opt+[ to select the
Background layer. Cmd+click the Layer 1 thumbnail to reselect what
you selected in step 2. Press Shift+Cmd+I to invert the selection and
thus select the right half of the panorama. Press Cmd+J to copy the
selection to Layer 2. Figure 14.16 shows the resulting layers.
FIGURe 14.16
Copying
each half of the panorama
to separate layers
4.
Toggle off the Background layer and look for a vertical seam, one
pixel wide, between Layers 1 and 2. Zoom into this seam until you
can see individual pixels (see Figure 14.17).
