[Manifold-l] fly-through: definition of 3D-trajectory possible?

[Martin Roseveare]

The message that apparently arrived on the list today (Sunday)
pertaining to 3D fly-throughs has appeared at random from the
directionsmag servers and was one I sent weeks ago that didn't show up.

I hope no confusion was caused!


Martin Roseveare
Senior Geophysicist

 
Web: www.archaeophysica.co.uk
Phone: +44 (0) 1989 730 564
Fax: +44 (0) 7050 369 790

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-----Original Message-----
From: manifold-l-bounces at directionsmedia.net
[mailto:manifold-l-bounces at directionsmedia.net] On Behalf Of Martin
Roseveare
Sent: 17 December 2006 09:16
To: Dr. Harald von der Osten; Manifold-L
Subject: RE: [Manifold-l] fly-through: definition of 3D-trajectory
possible?

I'm pretty sure that Manifold can't define a 3D path like you describe,
at least, not as a simple object. You can define curved profiles from
surfaces so I guess if you knew the camera was a constant height above
the ground for example you could perhaps use a DEM to create a profile
and then add your camera height to it. What you would do with it then I
don't know!

Saving terrains to a video file has got to be one of the most
complicated things ever - you'd have to save a sequence of frames
captured as you moved across the terrain and then use external software
to interpolate between them and build the video. It could of course be
automated through use of a script which, provided you knew the
trajectory in advance, might speed the process considerably.

If you can tell me more about what you're trying to achieve I might be
able to offer more insight.

Martin Roseveare
Senior Geophysicist

 
Web: www.archaeophysica.co.uk
Phone: +44 (0) 1989 730 564
Fax: +44 (0) 7050 369 790

This e-mail and any attachment may contain proprietary or confidential
material and be subject to legal privilege. If you have received it in
error please promptly erase it from your system and inform the sender.
It should not be copied, disclosed to, retained or used in any way by
any other party.

Nothing in this e-mail should be regarded as representing a binding
contract unless explicitly stated otherwise. All opinions are those of
the sender and not necessarily ArchaeoPhysica Ltd.

-----Original Message-----
From: manifold-l-bounces at lists.directionsmag.com
[mailto:manifold-l-bounces at lists.directionsmag.com] On Behalf Of Dr.
Harald von der Osten
Sent: 23 November 2006 14:15
To: Manifold-L
Subject: [Manifold-l] fly-through: definition of 3D-trajectory possible?

Dear specialists,


is it possible to create - maybe based on splines - a 3D-trajectory
which
defines the camera position for a fly-though?

Is it possible to save the fly-through to a videofile?

May be the answer of my first question is just "no". So - maybe it could
be a
feature for a version > ( >>> (?) ) 7 ?

Thanks a lot

Harald




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