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Barco Media Server XHD-Series User Guide
4.
Use the cropping template to crop content with the Media Encoder.
This produces a video package. The package can be dragged on the
Timeline like a video. To output the package from multiple player
machines, enable the "Canvas texturing" option for the video element.
Working with UV mapping
The use of content viewpoints can be limiting in some situations, for example:
1.
Video projectors surround the projection surface on which you expect
to project from all angles.
2.
The projection surface surrounds the video projectors.
In both scenarios, using a single content viewpoint is not enough to cover the whole
projection surface. In those situations, you might consider using the UV mapping
technique to achieve an 'all-around' projection.
UV mapping consists of unfolding a 3D model onto a flat surface, like a piece of clothing
is composed of multiple cut of 2D pieces tied together. This 2D unfolded version of the
model can then be exported as a 2D image, so that artists can draw into it, as they would
do inside a content viewpoint. The main difference is that a custom-made UV map allows
coverage of ALL desired angles for the projection surface.
Figure I.22. 3D cube
170
Appendix I: Workflow layouts
Barco Pn: 60600320
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