Christie RPMSP-D132U, Руководство пользователя

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4-28 RPMSP-D132U & RPMSP-D180U User Manual User Manual
020-100245-03 Rev. 1 (11-2010)
Section 4: Advanced Configuration and Controls
F
IGURE
4-25 E
DGE
B
LENDING
C
ONCEPT
For best results, use the same projector model and type throughout your display wall. Avoid high-gain screens
whenever possible—the optical performance of such screens demands minimal image offset, thus projectors
must be located very close to one another.
Edge blending software controls are located in the 2-page
Edge Blending submenu—access via Configuration
menu, then go to the Geometry and Color menu and select Edge Blending . The More option opens the second
page of the Edge Blending submenu.
Use edge blending controls to set the precise width , shape and midpoint you need to blend overlapping edges
together smoothly.
•
Blend Width
determines how much area is used for blending along an overlapping edge. Slidebar values
represent the number of 8-pixel steps used for the blend. For example, a setting of “3” creates a blended
edge 24 pixels wide. A setting of “0” signifies no blending. For best results in most applications, use a
blend width of 16-48 steps (128-384 pixels).
• Ranges: 0-80 horizontal, 0-60 vertical.
•
Blend Shape
determines the rate of roll-off across the blend width, i.e. how quickly the white levels
across the blend change from light and dark. Increasing the Blend Shape setting accelerates the rate of
change at both extremes so that less of the region appears mid-gray (see Figure 3.58) Decreasing the
Blend Shape setting slows the rate of change so that more of the region appears mid-gray. For most appli-
cations, this subtle control is best left close to 50.
F
IGURE
4-26 “S
HAPE
” E
XAMPLES
•
Blend Midpoint
determines the white level at the blend midpoint (the point equidistant between the begin-
ning and end of the blend). Increasing the Blend Midpoint setting creates a blend that appears brighter
than the rest of the image. Decreasing the Blend Midpoint setting creates a blend that is darker than the
rest of the image. A setting of 50 means the midpoint is approximately 50% black—for best results in
most applications, keep fairly close to this default.