Extracting a thumbnail of C4d file. [SOLVED]

Helper

On 27/11/2014 at 03:23, xxxxxxxx wrote:

Hi all,

I am trying to extract the thumbnail of a C4d file. I don't want to use rendering as it is time consuming. Do we have any other option of saving a frame in png, tif or jpeg format. Any other method which can help me here would be fine too.

Thanks

Nishant

Helper

On 27/11/2014 at 04:11, xxxxxxxx wrote:

Hello Nishant,

you might try this one:
Just a test doc with a cube...
As it uses the hardware render, it is not that time consuming:

  
import c4d  
import os  
from c4d import bitmaps, documents, storage  
  
def WriteBitmap(bmp, format=c4d.FILTER_JPG,settings=c4d.BaseContainer()) :  
  mfs = storage.MemoryFileStruct()  
  mfs.SetMemoryWriteMode()  
  hf = storage.HyperFile()  
  if hf.Open(0, mfs, c4d.FILEOPEN_WRITE, c4d.FILEDIALOG_NONE) :  
      if not hf.WriteImage(bmp,format,settings) :  
            
          return None  
      hf.Close()  
  return mfs  
  
def main() :  
  
  doc = c4d.documents.GetActiveDocument()  
  doc.InsertObject(c4d.BaseObject(c4d.Ocube))   
    
  
  flags = c4d.DRAWFLAGS_FORCEFULLREDRAW  
  c4d.DrawViews(flags)   
    
    
  rd = doc.GetActiveRenderData().GetData()  
  xres = int(rd[c4d.RDATA_XRES])  
  yres = int(rd[c4d.RDATA_YRES])  
  bmp = bitmaps.BaseBitmap()  
  bmp.Init(x=xres, y=yres, depth=24)  
  
  rd[c4d.RDATA_RENDERENGINE] = c4d.RDATA_RENDERENGINE_PREVIEWHARDWARE   
  res = documents.RenderDocument(doc, rd, bmp, c4d.RENDERFLAGS_EXTERNAL)  
  
  mfs = WriteBitmap(bmp)  
  
  if res==c4d.RENDERRESULT_OK:  
      previewBmp = doc.GetDocPreviewBitmap()  
      if not previewBmp.InitWith(mfs) :  
          raise StandardError, "Not working"  
  
  path = "/Users/monkeytack/Desktop/projekt_x/2014-11-05_projekt_x.c4d"  
  c4d.documents.SaveDocument(doc, path , c4d.SAVEDOCUMENTFLAGS_0, c4d.FORMAT_C4DEXPORT)  
  c4d.documents.KillDocument(doc)  
  c4d.documents.LoadFile(path)                             
  
    
if __name__=='__main__':  
  main()

Best wishes
Martin

Helper

On 27/11/2014 at 04:41, xxxxxxxx wrote:

Hello,

to get the preview image of a (saved) scene simply use GetDocPreviewBitmap()[URL-REMOVED].

best wishes,
Sebastian

[URL-REMOVED] @maxon: This section contained a non-resolving link which has been removed.

Helper

On 01/12/2014 at 21:25, xxxxxxxx wrote:

Hi,
Thanks for the help guys.

Thanks
Nishant