raytrace material render as black in scanline

[blaz]

Hi,

I have this problem recently after i upgrade one of my system to 64 bit version. when i render the scene file in 32 bit version the mirror (raytrace material) render as a black surface without any reflection on it. and when i use back the same file in the 64 bit system it renders fine (with proper reflections).

Is this a kind of a bug between 32 bit and 64 bit version. i tried to google this issue but not find any solution so far.

 

any help or comment appreciated.. thanks.

FYI, i have install the SP2 in the 32 bit and 64 bit and still doesnt fix the problem.

 

 

regards,

[Jennifer]

Hi,

 

I have not seen any differences between 32 and 64 bit renders, in any SP of max. I saw a comment recently where someone said that the number accuracy of 64-bit is higher, which makes sense if the software is using more bits to represent standard floating-point numbers. Still, somethng as simple as a mirror reflecting should work in each.

 

Have you tried mental ray?

 

BTW, a flat mirror surface (or any flat reflective surface) will render faster with a Standard Material using the Flat Mirror map in the Reflection channel. Raytrace is only necessary for curved objects, and will render much slower.

[blaz]

Hi jennifer,

Thank for your reply,i havent try with flat mirror yet. because of the deadline this afternoon. i got basin tap that using the same raytrace material. which still gave me the black surface.

I will try using the flat mirror tomorrow to see what will happen.

but i tried in 3 different workstation today three of them are 32 bit and gave me the same black result (like a switched off raytrace)...

 

regards,