[Bf-cycles] RenderSettings.use_border

[Sebastian Röthlisberger]

Hi,

some time ago i've made a quick hack into Network Render addon, to render one image as tiles on a Farm. Was only one or two lines of code. Would be Great if this would be as well a future feature of cycles ;-)

bashi


On 25.06.2012, at 12:43, Brecht Van Lommel wrote:

> Hi,
> 
> Here are the properties:
> http://www.blender.org/documentation/blender_python_api_2_63_12/bpy.types.RenderSettings.html#bpy.types.RenderSettings.border_max_x
> 
> This will become a builtin Cycles feature soon though, to render tiled
> with less memory.
> 
> Brecht.
> 
> On Sun, Jun 24, 2012 at 4:36 PM, Jordan Miller <jrdnmlr at gmail.com> wrote:
>> Hi,
>> 
>> This works in Cycles!
>> 
>> I am trying to scale-up my renders for printing poster-size. Obviously I run out of memory quickly with my video card. However, if we could break up the scene into chunks and render those then it would be a lot faster to use GPU since it could fit on the GPU memory.
>> 
>> My experiments here are true, the use border setting followed by shift-B to define the rendered area. A scene that barely does not fit on my video card DOES fit if I create 4 versions of the .blend file with a shift-B defined quadrant in each one for rendering.
>> 
>> How do I script the border size option? I found:
>> RenderSettings.use_border
>> 
>> But that is a boolean and does not have values for x,y.
>> 
>> So if we can find the python definition for these then I could add a preference for rendering "Tiles" with cycles that the user could assemble afterwards.
>> 
>> This could allow crowd-sourcing of Mango rendering, for example, where even weak GPU cards could render pixels for the final movie.
>> 
>> please help me find how to programmatically set the shift-B border size and position so that we can add this feature to Blender!
>> 
>> thanks,
>> jordan
>> 
>> 
>> 
>> 
>> 
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