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- Newsgroups: comp.sys.amiga.graphics
- Path: sparky!uunet!stanford.edu!agate!rsoft!mindlink!a4482
- From: Jeff_Holinski@mindlink.bc.ca (Jeff Holinski)
- Subject: Re: IMAGINE
- Organization: MIND LINK! - British Columbia, Canada
- Date: Tue, 26 Jan 1993 20:57:44 GMT
- Message-ID: <20093@mindlink.bc.ca>
- Sender: news@deep.rsoft.bc.ca (Usenet)
- Lines: 23
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- The disappearing faces problem in Trace mode has to do with the size of the
- Imagine workspace. It defaults to 2048 by 2048 by 2048 units. If your object
- is too big to fit into this space Imagine will not render the faces that are
- outside of it. To fix it go into the action editor and add a size bar to the
- Global actor. Make sure the size is set to x=0, y=0, z=0.
- This tells Imagine to resize the workspace to fit the objects as it renders
- each frame. It makes renders SLIGHTLY slower, but not as slow as re-rendering
- bad frames.
-
- You could also make the object smaller to fit into the default workspace, but
- I don't recommend it. If you make an object too small you will DRAMATICLY
- increase rendering times.
-
- Another problem people run into in Trace mode is lights. If you make an
- object a lightsource (eg. a lightbulb) and it's set to cast shadows it may
- render fine in scanline but not emit any light in Trace mode. This is because
- the light comes from the objects axis which is usually inside the lightbulb.
- The light gets to the glass of the bulb and stops. The solution is to move
- the axis outside the object, or turn of shadowcasting for that light.
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