POV-Ray : Newsgroups : povray.general : Object clipping issue : Re: Object clipping issue Server Time: 16 Jun 2019 07:58:24 GMT
  Re: Object clipping issue  
From: Mike Horvath
Date: 21 Feb 2019 07:39:41
On 2/20/2019 2:57 PM, Alain wrote:
> Le 19-02-19 à 00:23, Mike Horvath a écrit :
>> On 2/18/2019 7:55 AM, Mike Horvath wrote:
>>> Better if I should attach the whole scene, no?
>>>
>>>
>>> Mike
>>
>> Performance is really poor in this scene. Each 600x600px frame of my 
>> test animation takes about 5 minutes to render on my machine. I am 
>> doing 120 frames. I guess I need to add some `bounded_by` statements 
>> in there somewhere...
>>
>>
>> Mike
> 
> 
> In this case, you have a difference of cylinders intersected by some 
> planes. Each block may end up with a bounding box large enough to 
> contain the whole outer cylinder. This is a case where manually bounding 
> with a tight box or a sphere can help.

Yes, I added bounding boxes and performance is very good now. Less than 
10 seconds per frame.

Mike


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