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Description
Creates a toroidal aspheric surface by specification of the base radius of curvature, conic constant and even order aspheric coefficients in X and Y. The following table describes the mathematical form of the Toroidal Asphere surface.
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Surface Sag
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Relationships
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Functional Form
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X-derivative
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Y-derivative
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Z-derivative
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Navigation
This feature can be accessed by selecting Toroidal Asphere (Toroid, Potato chip, etc., with non-symmetric aspheric terms) as the surface type on the Surface tab in a surface dialog box.
Controls
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Control
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Inputs / Description
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Defaults
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Logical Parent
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Name of Parent entity.
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Custom Element Name
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Name
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Name of surface supplied by user.
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Surf n
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Description
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Description of the surface.
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Traceable
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Surface can be raytraced.
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Checked
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Use for trimming only
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Never raytrace. Surface used for trimming only.
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Unchecked
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Type
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Surface type. Select Toroidal Asphere.
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Plane
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Surface Settings
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Rad
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X & Y radii of curvature.
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0
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Conic
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X & Y Conic constants.
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0
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Ai, Bi coefficients
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X & Y aspheric term coefficients.
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0
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OK
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Accept settings and close dialog box.
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Cancel
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Discard settings and close dialog box.
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Apply
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Accept settings and keep dialog box open.
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Help
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Access this Help page.
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Application Notes
Surface deformation
The Toroidal asphere is a sagable surface.
Related Topics
Surface types summary
Create a new surface
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Copyright © Photon Engineering, LLC
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