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There are two ways to make an image similar to today's. Outside in and inside out. It all depends on if you flip the original
panorama or not. If you leave the pano
right side up, using Adobe Photoshop CS5's (and earlier version's) Polar
Coordinates Filter (Filter/Distort/Polar Coordinates) set to Rectangular To
Polar, you'll get a view as if you're in a hole looking up at the scene. To you flip the pano vertically (Image/Image
Rotation/Flip Canvas Vertical) and then apply the same Polar Coordinates Filter
you'll wind up with a view as though you're on a high point seeing a 360 degree
scan looking straight down. Sort of like
seeing a shot of a full moon with lots of detail on the edge.
When a panorama is used to make this type of polar
projection image the scene will start out as a rectangle. The Canvas should be expanded (Image/Canvas
Size) it create a square format. The
scene can then be brought into a circular form using Free Transform (Edit/Free
Transform) and pulling the center handles up and down.
What you end with in either case is some sort of circle and
from the outer edge of the circle to the square edges of the "paper"
you'll have what looks like zoom lines.
It's a pretty (if you ask me) unfinished look. In order to give the appearance of sky in
today's image the "zoomy" lines were masked out. A Layer Mask was added and the Elliptical
Marquee Tool (M) used with the Shift Key held down (to constrain the shape to a
circle) to define the edge of the circle.
The Layer Mask was then filled with Black, hiding the zoom lines.
A blank Layer was added under the Masked Layer (Ctrl - Add
New Layer icon). The Eyedropper Tool (I)
(eye) was then used to sample the color of the sky. This set the Foreground Color to the same
color as the sky in the image. The
Background Color was then set to another shade of blue several shades darker
than the foreground. Using the Gradient
Tool (G) set to Radial Gradient the blank Layer was filled using an inside to
outside stroke holding down the mouse button.
A couple attempts were needed to correctly position the inner blue
shade.
Typical color enhancement to the "ground Layer"
was done using individual (Red, Yellow, Green, Cyan, Blue, and Magenta)
Hue/Saturation Adjustment Layers.
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