360 Exterior VR Sky - Skydome

[Anonymous]

Hello,

i am doing an exterior Scene to render in 360 spherical panorama Animation to view it in VR, so my question is that i want to use a skydome model with texture instead of HDRI in the Scene (for some rendering reasons...) i have a sky texture that is perfectly seamless so it will wrap on the hemisphere perfectly, but the problem is that i still have this little visible line in the 3dsmax viewport and even in the render too.

[Francisco_Penaloza]

if you are sure that you map is perfectly seamless, you need to check your UVMapping.

I see that you are using a dome shape, and the mapping may be setup for sphere or environment.  You'll need to adjust accordingly.

[Alfred.DeFlaminis · Accepted solution]

Hello @Anonymous and welcome to the community,

That little seam at the poles is pretty common with some pano images.  Usually the are directly above the camera needs a bit of a touch up, even with a well calibrated pano head on your camera.  For textures in 2D, If your sky texture was seamless in 2D (Photoshop Filter->Other->Offset) that doesn't mean it won't have seams when pinched into a spherical shape.  I'm guessing that you mean the image is seamless as width x height (Filter offset) but remember that the top and bottom of the image will get pinched on a sphere, making it no so seamless with neighboring pixels at the poles. Example images.  Note the noticeable spread of the pixels at the top and bottom of these spherical images.  

There are some apps out there that will turn your image (length x width) into a spherical image to map onto a sphere for your purposes here.  However the easiest fix here is likely to turn off your gamma/LUT temporarily and paint out the seam with Viewport Canvas or map it to a sphere and paint it out in 3D mode in Photoshop.  Please let me know if you have any questions.

Best Regards,

[Alfred.DeFlaminis]

Hello @Anonymous,

I just wanted to follow up here, any progress on this issue?

Best Regards,