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6.1.6 Advanced configuration of TransForm A
The geometry of the rendering machines, the assignment of video and graphic channels, the R
keys and the configuration of the projection channels are defined in the configuration file of T
/etc/MMTconfig/MMTConfigSections
The file MMTConfigSections consists of four sections: geometry, video, channels and rctrl.
geometry
This section starts with the keyword geometry and defines the geometry of the rendering machines, if in a
distributed system multiple logical screens are used. This geometry section must not be changed manually, but it
is configured by means of the X.11 configuration script EOSconfig, please refer to section
distributed system with multiple logical
section
4.1 Multi-screen
capability.
With multiple logical screens an individual color depth and visual class can be assigned to each screen. Multiple
logical screens can be used in two different modes: Separate-screens or Contiguous-screens. These modes differ
only in the behavior of the cursor and in the demands of the arrangement of projection cubes.
The contiguous-screens mode is used if multiple screens shall be displayed on one display wall. The screens must
completely fill the rectangular array of the display wall. The cursor can be moved continuously over all screens
on the whole display wall. In the geometry section the keyword ContiguousScreens must be written in a
line. The following lines contain each a rendering machine (engine-x), the module arrangement (m×n), the
position within the display wall (X Y) and optional the color depth (bpp xx) and visual class (cc x). The visual
class may have the values 3 (pseudo color), 4 (true color) or 5 (direct color). Please see section
capabilities
for the possible color settings. All screens where not explicitly color depth and visual class is assigned
use the settings of the X server configuration.
geometry
ContiguousScreens
engine-0
2x1
0 0
engine-1
1x1
2 0
engine-2
3x1
0 1
Barco – TransForm A - X Terminal – DOC-3265-2 – user's manual – Revision 09 – September-2006
screens. General information about multiple logical screens can be found in
bpp 16
cc 4
bpp 16
cc 5
6. Advanced configuration
0
1
2
Rendering 2 Rendering 0
Rendering 1
A
RGUS
A
RGUS
RGUS
A
A
RGUS
A
RGUS
A
RGUS
A
RGUS
Three independent screens in contiguous mode
(The examples each are shows in an OmniBus configuration)
_____________________________________________________
-C
hot-
EMOTE
ONTROL
F
A:
RANS
ORM
3.4.4 Configuring a
4.2.2 Color
Figure 6-11
6-10
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