List of sphere projections: Difference between revisions

Latest revision as of 18:23, 14 May 2020

Below is a list of common projections which are used to project the texture of a sphere onto a 2D surface.
These are often used for 360 images, 360 videos, and world maps.

List

More Projections

Hybrid Projection For Encoding 360 VR Videos

Converting Between Projections

See FFmpeg's v360 filter
You can also try Facebook's Transform360

Converting EAC to equirectangular

ffmpeg -i input.mp4 -vf "v360=eac:e" output.mp4

@@ Line 1: / Line 1: @@
 Below is a list of common projections which are used to project the texture of a sphere onto a 2D surface.<br>
 These are often used for 360 images, 360 videos, and world maps.
 ==List==
-* [[Equirectangular projection]]
+* [[Wikipedia: Equirectangular projection]]
-* [[Mercator projection]]
+* [[Wikipedia: Mercator projection]]
-* [[Cube mapping]]
+* [[Wikipedia: Cube mapping]]
 * [[Gnomonic projection]]
 * [[Geostationary projection]]
 * [[Wikipedia:Transverse Mercator projection]]
+* [[Wikipedia:360_video_projection#Equi-Angular_Cubemap_(EAC) | Wikipedia: Equiangular Cubemap]]
 ==More Projections==
 * [https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8798261 Hybrid Projection For Encoding 360 VR Videos]
+==Converting Between Projections==
+See FFmpeg's [https://ffmpeg.org/ffmpeg-filters.html#v360 v360 filter]<br>
+You can also try [https://github.com/facebook/transform360 Facebook's Transform360]
+;Converting EAC to equirectangular
+<pre>
+ffmpeg -i input.mp4 -vf "v360=eac:e" output.mp4
+</pre>
 ==Resources==
-* [https://en.wikipedia.org/wiki/List_of_map_projections Wikipedia List of map projections]
+* [[Wikipedia: List of map projections]]
+* [[Wikipedia: 360 video projection]]