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8. Geometry Menu
Image 8-124
Whatcanbedone?
What is the Basic Principal of Soft Edge ?
The principle of edge blending is archived by linear modulation of the light output in the overlap zone so that the light output in that
zone equals the light output of the rest of the image.
Adjustable overlapping area
50%
100%
50%
100%
image 2image 1
image 2image 1
Light output per image
Total composite light output
Image 8-125
Soft Edge Basic Principle
Soft Edge Preparations
To ensure proper soft edge adjustment, be sure that the following adjustments are done perfectly on all projectors:
• Geometry
• Color Matching (Input Balance, Gamma)
When projecting on acylindrical screen, the adjustments mentioned abovecan bedone byusing theprojector
adjustments in combination with Polaris.
Polaris is a Test Pattern Generator software that can generate a user-defined test pattern that is used to align
projection systems. It also has the ability to generate predefined patterns for standardized projection sys-
tems. The software is developed to run on IRIX (Order numbers for Polaris: R9898300 for a 6 months license,
R9893301 for a full license).
8.5.9.2 Starting Up the Softedge Adjustment
How to Start Up the Softedge Adjustment?
1. Press the MENU key to activate the Menu bar.
2. Push the cursor key ← or → to highlight Geometry in the menubar.
3. Push the ↓ key to pull down the Geometry menu.
4. Push the cursor key ↑ or ↓ to to high
light Edit in the menubar.
5. Push the → key to pull down the Edit menu.
6. Push the cursor key ← or → to highlight Blanking / Softedge in the menubar.
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R5976870 BARCOREALITY SIM 5PLUS/SIM 5R 04/04/2007