Raytrace Properties - Reflect Specular

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Reflect Specular

Page Contents

Description

The Reflect Specular raytrace control allows only reflected rays to propagate if the flux (power) exceeds the specified thresholds. This control does not allow Total Internal Reflection.

Navigation

This feature can be accessed in the following ways:

•Double mouse click the Reflect Specular node of the Raytrace Properties tree folder.

•Right mouse click the Reflect Specular node of the Raytrace Properties tree folder and select "Edit a Raytrace Control Set" from the list menu.

•In the Coating/Raytrace Control tab of a surface dialog, select the Reflect Specular raytrace control and press the "Edit/View" button.

Controls

Control	Inputs / Description	Defaults
Name	Name of the Raytrace Control.	Reflect Specular
Description	Alpha-numeric description of the Raytrace Control.	Allow reflected specular ray only
Ray Power Cutoff Thresholds
Specular Refl- Abs/Rel Power	Controls specular reflected ray cutoff. Rays with power less than or equal to this value are not propagated.	0, 0
Specular Trans- Abs/Rel Power	Controls specular transmitted ray cutoff. Rays with power less than or equal to this value are not propagated.	0, 0
Scatter Refl- Abs/Rel Power	Controls scattered reflected ray cutoff. Rays with power less than or equal to this value are not propagated.	0, 0
Scatter Trans- Abs/Rel Power	Controls scattered transmitted ray cutoff. Rays with power less than or equal to this value are not propagated.	0, 0
Absorbed- Abs/Rel Power	Controls absorbed ray cutoff. Rays with power less than or equal to this value are not created.	0, 0
Intersection Count Cutoff
Total	This value sets the maximum number of surface intersections for each ray. Maximum of 1,000,000.	1000
Consecutive	This value sets the number of consecutive intersections each ray can have with a single surface.	10
Ancestry Level Cutoff
Specular	This value sets the maximum number of Specular generations that can be split.	2
Scatter	This value sets the maximum number of Scatter generations that can be split.	1
Spec+Scat	When active, a ray will be suppressed if the sum of its specular and scatter ancestry exceed the specified value.	Unchecked (10)
Allowed Ray Operations
Allow reflected ray	Check this box to allow propagation of the reflected ray component.	Checked
Allow transmitted ray	Check this box to allow propagation of the transmitted ray component.	Unchecked
Allow Total Internal Reflection	Check this box to allow propagation a ray that undergoes Total Internal Reflection.	Checked
Allow reflected ray	Check this box to allow propagation of the reflected scatter component.	Checked
Allow transmitted ray	Check this box to allow propagation of the transmitted scatter component.	Checked
Allow absorbed ray	Creates an absorbed ray which remains on the surface (see Application Note below).	Unchecked
Parent Ray Specifier
Largest incoherent power	Check this radio button to allow FRED to determine the Parent ray following a surface intersection.	Selected
Transmitted	Check this radio button to always make the transmitted ray the Parent ray.	Not selected
Reflected	Check this radio button to always make the reflected ray the Parent ray.	Not selected
Monte-Carlo (1 ray only)	Check this radio button to invoke Monte-Carlo raytracing. Chooses either the transmitted, reflected or scattered ray based upon probability.	Not selected

OK	Accept settings and close dialog box.
Close	Discard Settings and close dialog box.
Apply	Apply Settings and keep dialog box open.
Help	Access this Help page.