John VanSickle <evi### [at] KOSHERhotmailcom> wrote:
> On 3/31/2013 10:25 AM, nimda wrote:
> > John VanSickle <evi### [at] KOSHERhotmailcom> wrote:
> >>
> >> See if you can replace the complex objects and their shadows with
> >> sprites.  Getting the projection math right is going to be non-trivial.
> >>
> >> Regards,
> >> John
> >
> > I suppose this will involve the use of the "trace" function?
> > Or, maybe take a picture of the object/shadow and make the surroundings
> > transparent with GIMP or so, en then use this as an image-map on a box or so.
>
> The second choice.
>
> You can tell POV-Ray to make the surroundings transparent, so that the
> GIMP is not needed.
>
And how would that be done?

> You will probably also want to make another rendering to use to make the
> shadow in the scene, so that each of these objects is represented by two
> polygons.  One polygon is shadowless and has the image of the object
> itself.  The other polygon is the cast shadow.  This is because the
> sprite representation of your object will probably not cast a realistic
> shadow.
>
> I should probably give this idea a test to see how difficult it is.
>
I'm certainly going to do that.

> Regards,
> John

Thanks for the hints.

Greetings,
Marc

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