[Bf-cycles] Cycles Bug Report

[Brecht Van Lommel]

Hi,

On Thu, Oct 20, 2011 at 2:17 PM, Andrew Price <andrew at blenderguru.com> wrote:
> In complex scenes, previewing the scene in GPU mode results in an overload
> and a black screen. However, if you click the layers one by one then it
> doesn't. Very bizarre. I made this short video to show you what I mean:
> http://www.screencast.com/t/RnwLcZxIFq2

Are there any errors in the console?

> When using hair particles with DupliObjects, it will never render the
> emitter, only the particles. Even though 'Emitter' is enabled in the
> particle render options.

Added this to the bugs list.

> Cycles only recognizes the 'Preview' value for modifiers. Eg. If you add a
> subsurf modifier with View: 1 and Render: 3. It will render the View value,
> not the Render value.

This should be fixed in latest svn since a few days.

> Most HDR images seem to warp strangely when looking at the back side. Here's
> a screenshot: http://i.imgur.com/PYqdD.jpg

Cycles expects latlong maps, is that the format you used? See here for
comparison of formats:
http://gl.ict.usc.edu/HDRShop/tutorial/tutorial4.html

> Image textures don't work until you set vector to 'Generated'. Not a big
> one, but it might confuse new users.

Image textures use UV coordinates by default, unlike other textures
which use Generated.

Thanks,
Brecht.