QT 5 Quirk and PanoCube Plus

• Subject: QT 5 Quirk and PanoCube Plus
• From: "gerds2" <email@hidden>
• Date: Sat, 27 Sep 2003 16:23:11 -0400

This is just a small quirk (bug) I discovered with QT 5.

PanoCube Plus allows one to take an equirectangular image and converts it
to 6 cube faces, and then creates the QT movie. Panocube plus also
allows you to specify the jpg compression level for each cube face
individually.

So, here is the bug which I found. I was doing a couple of panos inside a
house with
light walls, and I had decided to give cube face 1 a different compression
level
from all the other cube faces. When you do this, QT 5 will display that one
cube face
at a very slight difference in brightness. This happens even if the difference
in
compression is only 1%. When panning around, you actually can see the edges of
the
cube face. I had face 1 at 96%, and the others at 95% (I know, but never mind
the high compression levels, that is not the point...).

This bug occurs for me on Win XP and Win 98 with QT5, both the plugin and
standalone player.
The problem does not occur for QT 6. I also doubt that most people would
notice this
problem for an outdoor shot.

Just a heads up. I say this because many here say that only QT 5 or higher for
their cubics.
If they view their own panos on QT 6, they may not be aware of what may
happen.


Eric
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