How do I create a 'little planet' photo with the scene wrapped into a circular globe?
Asked 11/13/2016
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I saw an image where a tree was in the center, buildings curved around it, and the grass formed a circular edge around the whole frame. I’d love to make a similar effect, possibly with snow. What is this technique called, and how can I create it?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
9y ago
2 Answers
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This is known as the Little Planet effect. There are many ways to render it, and usually, the sky is on the outside and the ground, trees, buildings, etc. inside. But in this image they inverted that. This is what they refer to as a "tube" projection in the above link:
Some fisheye lenses use a stereographic projection to capture a wide-angle view.[14] Compared to more traditional fisheye lenses which use an equal-area projection, areas close to the edge retain their shape, and straight lines are less curved. However, stereographic fisheye lenses are typically more expensive to manufacture.[15] Image remapping software, such as Panotools, allows the automatic remapping of photos from an equal-area fisheye to a stereographic projection.
The stereographic projection has been used to map spherical panoramas. This results in effects known as a little planet (when the center of projection is the nadir) and a tube (when the center of projection is the zenith).[16]
Originally by user22895. Source · Licensed CC BY-SA 4.0
user22895
9y ago
0
Generated from our catalog & community — verify before relying on it.
This effect is commonly called a little planet panorama. It’s made by taking a very wide panorama—often a full 360° scene—and remapping it into a circular projection.
In many little planet images, the ground is in the middle and the sky wraps around the outside. In your example, the projection appears inverted, sometimes described as a tube projection.
A common way to make it is:
- Shoot a panorama covering as much of the scene as possible.
- Stitch the images into a panorama.
- Remap the panorama using panorama software into a little planet / stereographic-style projection.
A program specifically mentioned for this is Hugin, which can stitch multiple images into a panorama and create this kind of result.
You may also see references to stereographic projection, which is one of the projection styles used for this look. Some fisheye lenses relate to this projection style, but software remapping is the usual approach.
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