Stefan, No I had not tried this approach.......I will give it a go. Chris, I have ensured that my heights are the same......you are right, it does make a difference.
I am running more tests at the moment. Thanks guys. Chris Sellars Morsel Animation ----- Original Message ----- From: "Beg-inner" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, March 22, 2007 12:09 AM Subject: Re: Displacement mapping render times > Hi Chris..and all.. > > You might already done this.. > but I mention it again.. > > Instead of setting Bumpheight value just to a positive range.. > Like this -> 0 to 0.2 > > Have the Bumpheight value in the material(s) evenly spread around 0... > Like this -> -0.1 to 0.1 and then set your Displacement value in the > object(s) to 0.1 (As you notice you only now need half the value for the > Disp Val..and this should in most cases then at LEAST cut the render times > into 1/2 =) > > Take Care > Best Regards > Stefan Gustafsson ( Beg-inner ) > A Proud Owner and User of Real3D and Realsoft3D.. > > > > > Yes, this was my first error when I started using displacements, however > > it > > is not the problem I now face. The whole process just seems to be very > > slow, > > unless there is something else I am missing > > > > Thanks, > > > > Chris > > > >> My first guess is to make sure, that the amount of the displacement > >> (as defined in the property tag) is set to the appropriate size. > >> Meaning, if you displace a surface by a centimeter, the max > >> displacement value should be set to that amount as well, and not > >> higher.. that will conserve resources. > >> > >> Hope that helps. > >> Daniel > >> > >> On 3/21/07, Chris Sellars <[EMAIL PROTECTED]> wrote: > >> > In a reasonably complex scene which has quite a lot of displacement > > mapping, > >> > I am currently getting render times of over 7hrs for a single frame. If > > I > >> > disable diplacement mapping, I am getting render times of just 17 > > minutes. > >> > > >> > Does anyone know of an efficient method of getting these huge render > > times > >> > down, without impacting on the visual effect of the displacement maps ? > >> > > >> > Question for Vesa perhaps.........are there any plans to improve the > >> > rendering speed of diplacement mapping in the near future ? > >> > > >> > Thanks, > >> > > >> > Chris Sellars > >> > Morsel Animation > >> > > >> > > >> > >> > >> -- > >> No virus found in this incoming message. > >> Checked by AVG Free Edition. > >> Version: 7.5.446 / Virus Database: 268.18.15/728 - Release Date: > > 20/03/2007 08:07 > >> > > > > > > > > > > -- > > No virus found in this incoming message. > > Checked by AVG Free Edition. > > Version: 7.5.430 / Virus Database: 268.18.14/727 - Release Date: 3/19/2007 > > 11:49 AM > > > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.16/729 - Release Date: 21/03/2007 07:52 > >
