Ray Directions - Single Direction (plane wave)

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Single Direction (plane wave)

Page Contents

Description

The Single Direction (plane wave) option propagates rays along the specified direction, emitting from each of the specified ray positions. The single direction is specified using a direction cosine vector. Internally, FRED will normalize the vector to unit length.

Navigation

This feature can be accessed by selecting Single Direction (plane wave) as the ray direction type on the Positions/Directions tab of a detailed source dialog box.

Controls

Control	Inputs / Description	Defaults
Ray Directions
Type	Drop down menu of ray direction types. select Single Direction.	Single Direction (plane wave)
Parameters
Direction	(x,y,z) vector specifying the plane wave direction. The vector can be entered using the Vector Entry Control.	0, 0, 1

OK	Accept settings and close dialog box.
Cancel	Discard settings and close dialog box.
Help	Access this Help page.