On 9/19/2018 4:55 AM, Le Forgeron wrote:
> Le 19/09/2018 à 10:26, Mike Horvath a écrit :
>> There is a texture here for Saturn's ring:
>>
>> https://www.solarsystemscope.com/textures/
>>
>> How do I apply this texture to a POV-Ray disc? Thanks.
>>
>>
>> Mike
> 
> On my light side, I have uv-mapping of disc in hgpovray38, so that 
> should be trivial. (probably only a problem of orienting the texture 
> correctly in regard to UV axes)
> 
> On the official side, it might be a situation for the warp cylindrical.
> 
> http://wiki.povray.org/content/Reference:Warp
> 
> The dist_exp should probably be 0, as distance from the axis should be 
> ignored.
> 
> 
> 
> 


The cylindrical warp is not having the desire effect. See the attachment.


Mike



pigment
{
	image_map
	{
		png "2k_saturn_ring_alpha.png"
		map_type 0
	}
	warp
	{
		cylindrical
		orientation y
		dist_exp 0
	}
}

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