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On 24/03/2011 at 06:56, xxxxxxxx wrote:
User Information: Cinema 4D Version: R12 Platform: Mac ; Language(s) :
--------- Hey guys,
just started learning Python and stumbled on a problem what is apparently a bug. When I render the image with my script and show it in the picture viewer, the resulting image is just black.
Here's the script I use:
import c4d from c4d import bitmaps, documents doc = documents.GetActiveDocument() rd = doc.GetActiveRenderData().GetData() res_x = 512 # image resolution x res_y = 512 # image resolution y bitdepth = 8 # image depth bmp = bitmaps.BaseBitmap() bmp.Init(x=res_x, y=res_y, depth=bitdepth) documents.RenderDocument(doc, rd, bmp, c4d.RENDERFLAGS_EXTERNAL) bitmaps.ShowBitmap(bmp)
On 24/03/2011 at 10:23, xxxxxxxx wrote:
Hi pelZ,
The bit depth in your code is not correct.
Cheers, Sebastian
bitdepth = 24 # image depth
On 24/03/2011 at 11:56, xxxxxxxx wrote:
Originally posted by xxxxxxxx Hi pelZ, The bit depth in your code is not correct. Cheers, Sebastian bitdepth = 24 # image depth
Originally posted by xxxxxxxx
Hi Sebastian,
that fixes the problem. Thanks! But why is it 24 (16 and 32 seem to work as well)?
Ciao, Philipp
On 24/03/2011 at 16:59, xxxxxxxx wrote:
16 bit works fine as well but the image has a lower quality.
On 24/03/2011 at 22:38, xxxxxxxx wrote:
When you render an Image "with 8 Bit" it is 8 Bit per Channel, not the overall bitdepth.
There are 3 Channels. (RGB) 3 * 8 = 24
With Alpha, there are 4 Channels. 4 * 8 = 32
Higher Bitdepths per Channel: 4 * 32 = 128
Cheers, nux