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I have been given some equirectangular projections from blender to visualize in VR. The rendering was done from within some 3d model. The horizon is almost like an S, so when I project it onto a sphere the perspective seems a bit off. Is there anything the blender guy can do to produce a flatter horizon, like restrict attitude of the sphere etc)? enter image description here

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  • $\begingroup$ Your description of your question is unclear. Could you perhaps provide screenshots? $\endgroup$ Nov 4, 2016 at 16:51
  • $\begingroup$ sorry here is the picture $\endgroup$
    – chris
    Nov 4, 2016 at 16:59

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I haven't had too much experience with equirectangular rendering in Blender, but as a photographer I can say that this happens in real life when the camera is not level, so perhaps check that they have their camera rotations all set to 0. I was able to straighten it using a pitch of 30º and a rotation of -2º:

enter image description here

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  • $\begingroup$ this looks better, seems reasonable because i think the guy just threw the camera in the model fairly arbitrarily $\endgroup$
    – chris
    Nov 7, 2016 at 12:38
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I could be wrong, but it looks like you haven't UV unwrapped the sphere. This tutorial explains the process well.

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  • $\begingroup$ Okay thanks, I have no idea how he did this but I will point him in this direction $\endgroup$
    – chris
    Nov 4, 2016 at 17:27

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