List of sphere projections: Difference between revisions

 
(7 intermediate revisions by the same user not shown)
Line 2: Line 2:
These are often used for 360 images, 360 videos, and world maps.
These are often used for 360 images, 360 videos, and world maps.


==List==
* [[Wikipedia: Equirectangular projection]]
* [[Wikipedia: Mercator projection]]
* [[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]


==List==
==Converting Between Projections==
* [[Equirectangular Projection]]
See FFmpeg's [https://ffmpeg.org/ffmpeg-filters.html#v360 v360 filter]<br>
* [[Mercator Projection]]
You can also try [https://github.com/facebook/transform360 Facebook's Transform360]
* [[Cube Map]]
 
* [[Gnomonic Projection]]
;Converting EAC to equirectangular
* [[Geostationary Projection]]
<pre>
ffmpeg -i input.mp4 -vf "v360=eac:e" output.mp4
</pre>


==Resources==
==Resources==
* [https://en.wikipedia.org/wiki/List_of_map_projections Wikipedia List of map projections]
* [[Wikipedia: List of map projections]]
* [[Wikipedia: 360 video projection]]