> Hello everybody, is there a software in the market, to warp dvds or
> video to protect them with a mirror?
Perhaps it is time to add this to the FAQ ....
From the thread it does appear you wish to project standard video content,
rather than fisheye. There are a few ways of doing this, I suggest the last
option is the best.
1. You simply project the material as if it was a fisheye. The result is a
maximally distorted image on the dome. Can work tolerably well for abstract
content, for example: music visualisers, fractals, etc.
2. Using warpplayer I can create a mesh that will present the DVD material on
the dome at various sizes as if it was residing on a plane, or cylinder in 3D
space. In general, the pixel efficiency is generally quite poor, that is, for
the less distorted image only a small part of the available pixels in the
projector frame are used.
3. You simply point the projector directly at the dome, for a standard spherical
mirror setup this involves moving the projector, not a good thing to do during a
session when the projector is hot. With most commodity projectors, and certainly
the ones most people are using with the spherical mirror, the image on the dome
will be modestly small but also minimally distorted.
4. You leave the projector where it is but lift out the spherical mirror and
replace it with a planar mirror. This folds the light path and effectively means
the projector is a meter further away (outside the dome) so you get a slightly
bigger image on the dome and still relatively undistorted. No need to move the
projector.
Anyone using other techniques that I could add to the FAQ?