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Description
Data structure used to characterize the pre-propagation data for a source. This structure serves as a definition of how rays are moved immediately after they have been created, but before they have been raytraced.
Definition
Type T_SOURCEPROPSPEC
x As Double
y As Double
z As Double
r As Double
kind As String
End Type
Members
x
The x value, see table below.
y
The y value, see table below.
z
The z value, see table below.
r
The r value, see table below.
kind
Describes the kind of propagation. Can be one of "byx", "byy", "byz", "tox", "toy", "toz", "opl", "point", "sphere+", "sphere-", or "none". All other values are treated as "none". Specifies how the x, y, z, and r values are treated, according to the table below
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If you select this Kind
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You mean this
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The x value is
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the y value is
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the z value is
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the r value is
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byx
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Propagate by x
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propagation distance in the x direction
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ignored
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ignored
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ignored
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byy
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Propagate by y
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ignored
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propagation distance in the y direction
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ignored
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ignored
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byz
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Propagate by z
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ignored
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ignored
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propagation distance in the z direction
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ignored
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tox
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Propagate to x
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propagate to the plane at the x value
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ignored
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ignored
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ignored
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toy
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Propagate to y
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ignored
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propagate to the plane at the y value
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ignored
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ignored
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toz
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Propagate to z
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ignored
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ignored
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propagate to the plane at the z value
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ignored
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opl
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Propagate by optical path length
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ignored
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ignored
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ignored
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propagate by the given opl
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point
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Propagate to the closest approach to the given point
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the x coordinate of the propagation point
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the y coordinate of the propagation point
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the z coordinate of the propagation point
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ignored
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sphere+
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Propagate to the most positive intersection with the sphere
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the x coordinate of the sphere's center
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the y coordinate of the sphere's center
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the z coordinate of the sphere's center
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the radius of the sphere
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sphere-
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Propagate to the most negative intersection with the sphere
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the x coordinate of the sphere's center
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the y coordinate of the sphere's center
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the z coordinate of the sphere's center
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the radius of the sphere
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none
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No Extra Propagation
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ignored
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ignored
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ignored
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ignored
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Used as Parameter in
GetSourcePropagationSpec
SetSourcePropagationSpec
Examples
Sources
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Copyright © Photon Engineering, LLC
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