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Questions tagged [fisheye]

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Creating a new mathematical fisheye model

I've been using blender mostly for scientific research in computer science. Right now, I would like to use a specific type of fisheye camera that was only calibrated with a specific mathematical model....
Archjbald's user avatar
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How to convert fisheye model parameters calibrated in OpenCV into fisheye in Blender?

I want to simulate a real-world fisheye in Blender, using parameters calibrated in OpenCV. However, I don't know how to map these parameters into Blender.
wangwang's user avatar
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Cycles camera: Trying to understand Fisheye Polynomial lens and approximate a convex parabolic mirror

According to the documentation, the polynomial fisheye lens in Cycles can be used to approximate a wide range of fisheye cameras by using the formula $$ r = \sqrt{x^2 + y^2} \\ \theta = k_0 + k_1 r + ...
kram1032's user avatar
  • 337
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Alternatives to freestyle and grease pencil when using panoramic cameras? For full-dome rendering. Cycles only <3

I'm working on a full dome project, rendering in Cycles with a fisheye equidistant camera with a 210d FoV angle. Since freestyle and grease pencil are not supported with panoramic cameras (please let ...
Emma Forgues's user avatar
3 votes
1 answer

Tilting stereoscopic panoramic and fisheye rendering for fulldome planetrium

I'm hoping I can explain this properly. I'm looking into rendering stereoscopic 3D fisheye images for planetariums. I've previously used 3dsmax, Vray and Domemaster3D created by Roberto Ziche and ...
Ian Smith's user avatar
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Panoramic lens weird gap between objects

I encountered this problem when I tried to use the Fisheye lens. There is no gap between the ground and the object but when I switch the render engine to the Cycles render view this gap appears. ...
KüllüUkalaTatlısı's user avatar
2 votes
1 answer

Black areas in Fisheye lens corners

today I wanted to try if it is possible to make mini planets with Fisheye similar to this: The problem I have is that when I try to render my test with any settings I will always get black corners ...
MikoCG's user avatar
  • 3,856
2 votes
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Freestyle with panoramic camera

I started using the panoramic camera, especially the fisheye equisolid, and upon trying to render a frame with freestyle, the lines are places as if the camera was still in the perspective lens type. ...
Throndronis's user avatar
  • 1,041
2 votes
1 answer

Fisheye + Freestyle

I would like to render a freestyle line over a render with fisheye lens in 2.9. Is this possible?
Jehu Campos's user avatar
0 votes
1 answer

No distortions with Strokes in a Fisheye render (Cycles)?

I would like to draw my the scene with strokes and render it for a dome view (fisheye 210º) but when i finished to draw and start the render, I have no fisheye distortion, everything is flat like a ...
JulienL's user avatar
2 votes
0 answers

Path tracing for arbitrary camera rendering

I am trying to implement a custom camera with large FOV in blender. I know, that Cycles render engine allows to use a fisheye lense, by it in not enough for me, I need a specific camera with ...
Sergey Mishakin's user avatar
4 votes
1 answer

I want to use the light probe as a fisheye or spherical camera in Eevee. How can I directly access image data produced by the lightprobe?

I want to use the light probe as a fisheye or spherical camera in Eevee. I assume a panoramic fisheye option will be developed for Eevee at some point, but in the meantime perhaps the light probe can ...
Ron Proctor's user avatar