Appendix A — Shaped and Unshaped Video
A-8
Correct Operation With Unshaped Fill Video
shows what happens when the DPM is set for an
unshaped video output and
UNSHAPED
is selected in the Map
Inputs menu. In this case, the input Shaping circuit shapes the fill
video properly to fit the key hole that is cut into the Background,
to produce the desired composite image (
NOTE:
This process also applies to non-shaped video. Therefore
UNSHAPED
should always be selected for a normal key.
Figure A-7. Correct Unshaped Keying Operation
x
x
+
Invert
Background
Keyhole in Background
Key
Foreground
(Key Fill)
UNSHAPED selected in
Map Inputs Menu
(turns ON Shaping Circuit)
Unshaped
Shaped Video
Background
plus
Foreground
0000-01
Summary of Contents for Grass Valley 3000
Page 16: ...xvi Preface ...
Page 108: ...2 72 Section 2 Startup Configuration ...
Page 115: ...3 7 Transitions Figure 3 1 A Mix Transition Starting Video Midway Transition Ending Video ...
Page 141: ...4 3 Starting Conditions Figure 4 1 Source 1 Figure 4 2 Source 2 ...
Page 222: ...4 84 Section 4 Switcher Operations ...
Page 240: ...Appendix A Shaped and Unshaped Video A 18 ...
Page 256: ...B 16 Appendix B Keyframe Facts ...
Page 262: ...Appendix C Super Black C 6 ...
Page 276: ...G 14 Glossary ...