Monthly Archives: April 2012

The case of the write-protected disk

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Here’s the answer to the Cannot create projects or scenes – The disk is write-protected case I mentioned in my last week on the frontline post.

If you get this “the disk is write protected” error when you try to save a scene, it’s probably because you are trying to save your scene in the XSI_SAMPLES project. The XSI_SAMPLES folder is in the Softimage installation folder (in C:\Program Files\Autodesk), so you usually don’t have write permissions to XSI_SAMPLES.

You need a project to save a scene, so create a new project somewhere where you have write permissions, for example, in your Documents folder.

Then save your scene.

New in Softimage 2013: Script the codec for viewport captures

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In Softimage 2013, you can use the ViewportCapture.DSCodec parameter to set the codec for your viewport captures.

http://vimeo.com/39630053

DSCodec is an string that encodes the codec ID and parameters. To get the DSCodec value, do a viewport capture and set the Codec. Softimage will log the DSCodec value in the script history:

# INFO : ViewportCapture.DSCodec: AAAAFnNwdGxycHphAAAAAAAQAAACAAAAABR0cHJsAAACAAAeAAAAAAAYAAAAGGRyYXQAAAAAAAAAUwAAAQAAAAEAAAAACW1wc28AAAAADG1mcmEAAAAAAAAADHBzZnIAAAAAAAAACWJmcmEAAAAACm1wZXMAAAAAABxoYXJkAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAKc2RuZQAAAAAADGNtZnJhcHBsAAAAAA==

Here’s a Python snippet that shows how to set the DSCodec parameter:

from siutils import si
si = si()					# win32com.client.Dispatch('XSI.Application')
from siutils import log		# LogMessage
from siutils import disp	# win32com.client.Dispatch
from siutils import C		# win32com.client.constants

def dispFix( badDispatch ):
	    import win32com.client.dynamic
	    # Re-Wraps a bad dispatch into a working one:
	    return win32com.client.dynamic.Dispatch(badDispatch)

oViewportCapture = dispFix(si.Dictionary.GetObject( "ViewportCapture" ))
oViewportCapture.NestedObjects("File Name").Value = "C:\\test.mov";

oDSCodec = oViewportCapture.NestedObjects("DSCodec")

#log( oDSCodec.Value )
# INFO : ViewportCapture.DSCodec: AAAAFnNwdGxycHphAAAAAAAQAAACAAAAABR0cHJsAAACAAAeAAAAAAAYAAAAGGRyYXQAAAAAAAAAUwAAAQAAAAEAAAAACW1wc28AAAAADG1mcmEAAAAAAAAADHBzZnIAAAAAAAAACWJmcmEAAAAACm1wZXMAAAAAABxoYXJkAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAKc2RuZQAAAAAADGNtZnJhcHBsAAAAAA==

oDSCodec.Value = "AAAAFnNwdGxycHphAAAAAAAQAAACAAAAABR0cHJsAAACAAAeAAAAAAAYAAAAGGRyYXQAAAAAAAAAUwAAAQAAAAEAAAAACW1wc28AAAAADG1mcmEAAAAAAAAADHBzZnIAAAAAAAAACWJmcmEAAAAACm1wZXMAAAAAABxoYXJkAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAKc2RuZQAAAAAADGNtZnJhcHBsAAAAAA=="

Screenshots of the week

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Shed: Making of Bell Fibe

Neural net
by Mossman

Changing contexts
by gustavoeb

ICE trig maths, camera facing angles
by Rob Chapman

ICE trig maths, camera facing angles
by peter_b
“with the combination of the normal at the surface, the orientation of the particle and the vector from point to camera – and dot / cross products, you can do plenty different things.”

Motion Tools v0.3
by gustavoeb

Filter volume emission by weightmap
by patrick nethercoat

LK Lightning 1.5.0 is out!