On 22/09/2018 16:22, Mike Horvath wrote:
> On 9/22/2018 6:36 AM, Mike Horvath wrote:
>> On 9/22/2018 4:27 AM, Stephen wrote:
>>> On 22/09/2018 06:41, Mike Horvath wrote:
>>>> Is there a way to change the handedness of a scene? I am doing a lot 
>>>> of astronomy calculations, and they are all right handed.
>>>>
>>>
>>> You could put all that Matrix maths in the Bezier-patch torus thread 
>>> to use.
>>>
>>> http://www.techart3d.com/2016/02/convert-left-handed-to-right-handed-coordinates/ 
>>>
>>
>> What would I need to do for astronomy maths? In the equations I am 
>> using the Z and Y axes are switched.
>>
>> Also, how do I multiply matrix transforms in POV-Ray?
>>
>>
>> Mike
> 
> The directions of rotations also seem reversed.
> 
> 
Not unexpected. That sounds like handiness. Try scale -1 * x




-- 

Regards
     Stephen

Post a reply to this message