Shade MAP - Correct usage

[GVC1123]

Any chance to get the "save shade map" mode to create an image that includes DOF and anti-aliasing so that the output image can be used? We're doing a stereoscopic set up and I'm rendering the left-eye view with "save shade map", and re-using said shademap for the right eye. This way I'm only rendering two images, but it seems I'll have to render THREE images if I want the DOF / anti-aliasing and motion blur, right?
-One to create shademap (don't have to save this)
-One for left eye
-On for right eye

[squintnic]

can i precalculate a shadmape sequence with this to use with MB?
untick 'render final image' ?

im doing a BF / LC animation and it would be quite handy (if possible?) to use to speed things up

[Svetlozar Draganov]

Any chance to get the "save shade map" mode to create an image that includes DOF and anti-aliasing so that the output image can be used? We're doing a stereoscopic set up and I'm rendering the left-eye view with "save shade map", and re-using said shademap for the right eye. This way I'm only rendering two images, but it seems I'll have to render THREE images if I want the DOF / anti-aliasing and motion blur, right?
-One to create shademap (don't have to save this)
-One for left eye
-On for right eye

You could actually render left and right eye one one single pass - Vray will produce a single image which will contain both eyes.

can i precalculate a shadmape sequence with this to use with MB?
untick 'render final image' ?

im doing a BF / LC animation and it would be quite handy (if possible?) to use to speed things up

Yes - this is possible , you have to first bake ShadeMap and then use it to render final images with DOF and MotionBlur.
I just did a simple test - and the final render with ShadeMap and MotionBlur is very quick.

[GVC1123]

Thanks Svetlozar, that's true I can render both in one pass using the "both" option. However, aside from the efficiency of this feature it seems the rendertime (which is my main concern) is still equivalent to rendering a left and a right eye, in essence requiring the rendertime of two normal size frames.

I think there will still be the rendertime issue for stereo images:
1) Render time of shademap (optimized with no anti-aliasing)
2) Plus render time of two extra images, for left and right (optimized by precompued shademap)

So here I have three images which in theory should be faster than simply rendering TWO images without any shademap.
If there was only a way to utilize the first render (listed #1) as a final render, it seems the whole process would be greatly sped up. However, from what I see in other forums, it seems Vlado has explained that it is not currently possible.

[peterguthrie]

does using the shademap to speed up DOF work correctly through glass?

thanks

[vasil.minkov]

Shade map will not work correctly with refraction and may cause incorrect rendering. You should "Exclude" all refractive objects. Alternatively you could use transparency instead of refraction.

Shade map could not track refraction, so when rendering in "Use shade map" mode, everything behind a refractive glass will look like it was "projected" or "drawn" onto the glass.
It may still produce useful result in certain cases - if the glass covers an opaque table probably it will look fine. If there are a distant objects behind the glass, most likely they'll look distorted.

[vlado]

does using the shademap to speed up DOF work correctly through glass?

Nope; you will need to exclude the glass from the shademap.

Best regards,
Vlado

[Guest]

Shade map creation with DR is now supported in the nightly builds.
Both the client and server software should be updated.

Regards,

Is this in the official build now? I am playing around with it and I end up with darker buckets both on the shade map element and the final render. Pretty sure everything is set up as it should be in regards to DR as normal renders without shade map come out just fine. Just wanted to make sure I wasn't scratching my head for something that isn't supposed to work anyway.

[vasil.minkov]

Distributed rendering of shade maps is not available in VRay 2.4. It is supported in the nightly builds only.
For access to the Nightly Builds section you could write to support@chaosgroup.com.

[Guest]

Distributed rendering of shade maps is not available in VRay 2.4. It is supported in the nightly builds only.
For access to the Nightly Builds section you could write to support@chaosgroup.com.

Thanks for the update