On 9/19/2018 7:47 AM, clipka wrote:
> Am 19.09.2018 um 13:22 schrieb Mike Horvath:
>> Another question: The bitmap is long in the horizontal direction, but I
>> don't know which end is supposed to be closer to the axis and which is
>> supposed to be toward the outside of the ring. Any ideas?
> 
> Left side of the image is the planet side.
> 
> Another question to be figured out is, what are the proper distances
> from Saturn's center to the inner and outer border of the image?
> 
> My guesstimation - judging from
> https://en.wikipedia.org/wiki/Rings_of_Saturn - is that the image is
> supposed to represent the range from the start of the D ring (left side,
> 66,900 km from Saturn's center) to the F ring (right side, ~140,220 km).
> 
> Alternatively, the image may be supposed to start at the planet's
> equatorial surface, 60,268 km from the center.
> 

I emailed the owner of that site but haven't gotten a response yet.


Mike

Post a reply to this message

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
	}
}

Post a reply to this message

Attachments:
Download 'orrery_sphere_trail.png' (332 KB)

Preview of image 'orrery_sphere_trail.png'

Disregard. I got it working.

Mike

Post a reply to this message

Le 18-09-22 à 15:03, Mike Horvath a écrit :
> Disregard. I got it working.
> 
> Mike

Let me guess : You rotated the image 90°

Post a reply to this message

Le 22/09/2018 à 21:03, Mike Horvath a écrit :
> Disregard. I got it working.
> 
> Mike

I hope you rotated the texture in the correct direction.

Post a reply to this message

Attachments:
Download 'saturn.png' (273 KB)

Preview of image 'saturn.png'

On 23/09/2018 09:16, Le_Forgeron wrote:
> Le 22/09/2018 à 21:03, Mike Horvath a écrit :
>> Disregard. I got it working.
>>
>> Mike
> 
> I hope you rotated the texture in the correct direction.
> 
> 

LOL
Have you been told that you are cruel, recently?


-- 

Regards
     Stephen

Post a reply to this message

Le 23/09/2018 à 10:39, Stephen a écrit :
> On 23/09/2018 09:16, Le_Forgeron wrote:
>> Le 22/09/2018 à 21:03, Mike Horvath a écrit :
>>> Disregard. I got it working.
>>>
>>> Mike
>>
>> I hope you rotated the texture in the correct direction.
>>
>>
> 
> LOL
> Have you been told that you are cruel, recently?
> 
> 

I could serve my question to myself, guess what occurred on first try ?

And we get no final picture from Mike, so I felt frustrated.

Post a reply to this message

On 23/09/2018 12:11, Le_Forgeron wrote:
> Le 23/09/2018 à 10:39, Stephen a écrit :
>> On 23/09/2018 09:16, Le_Forgeron wrote:
>>> Le 22/09/2018 à 21:03, Mike Horvath a écrit :
>>>> Disregard. I got it working.
>>>>
>>>> Mike
>>>
>>> I hope you rotated the texture in the correct direction.
>>>
>>>
>>
>> LOL
>> Have you been told that you are cruel, recently?
>>
>>
> 
> I could serve my question to myself, guess what occurred on first try ?
> 

It worked first time? ;)


> And we get no final picture from Mike, so I felt frustrated.
> 

An image is worth a thousand words. :)

-- 

Regards
     Stephen

Post a reply to this message

Am 23.09.2018 um 13:11 schrieb Le_Forgeron:
> And we get no final picture from Mike, so I felt frustrated.

Final picture? What is that? ;)

Post a reply to this message

On 9/23/2018 8:16 AM, Stephen wrote:
> On 23/09/2018 12:11, Le_Forgeron wrote:
>> Le 23/09/2018 à 10:39, Stephen a écrit :
>>> On 23/09/2018 09:16, Le_Forgeron wrote:
>>>> Le 22/09/2018 à 21:03, Mike Horvath a écrit :
>>>>> Disregard. I got it working.
>>>>>
>>>>> Mike
>>>>
>>>> I hope you rotated the texture in the correct direction.
>>>>
>>>>
>>>
>>> LOL
>>> Have you been told that you are cruel, recently?
>>>
>>>
>>
>> I could serve my question to myself, guess what occurred on first try ?
>>
> 
> It worked first time? ;)
> 
> 
>> And we get no final picture from Mike, so I felt frustrated.
>>
> 
> An image is worth a thousand words. :)
> 

I did that thing, that made that other thing work.

Sorry my computer is too slow to post a picture.


Mike

Post a reply to this message