/vis/rayTracer/

RayTracer commands.

Sub-directories :

Commands :

trace [fileName]

Start the ray tracing.
Define the name of output JPEG file.

Available Geant4 state(s) : Idle

Parameters

fileName

type s

Omittable : default value = g4RayTracer.jpeg

column [nPixel]

Define the number of horizontal pixels.

Range : nPixel > 0

Available at all Geant4 states.

Parameters

nPixel

type i

row [nPixel]

Define the number of virtical pixels.

Range : nPixel > 0

Available at all Geant4 states.

Parameters

nPixel

type i

target [X] [Y] [Z] [Unit]

Define the center position of the target.

Available at all Geant4 states.

Parameters

X	type d	Omittable : default value = 0
Y	type d	Omittable : default value = 0
Z	type d	Omittable : default value = 0
Unit	type s	Omittable : default value = m	Parameter candidates : pc km m cm mm um nm Ang fm parsec kilometer meter centimeter millimeter micrometer nanometer angstrom fermi

eyePosition [X] [Y] [Z] [Unit]

Define the eye position.
Eye direction is calsurated from (target - eyePosition).

Available at all Geant4 states.

Parameters

X	type d	Omittable : default value = 0
Y	type d	Omittable : default value = 0
Z	type d	Omittable : default value = 0
Unit	type s	Omittable : default value = m	Parameter candidates : pc km m cm mm um nm Ang fm parsec kilometer meter centimeter millimeter micrometer nanometer angstrom fermi

lightDirection [Px] [Py] [Pz]

Define the direction of illumination light.
The vector needs not to be a unit vector, but it must not be a zero vector.

Range : Px != 0 || Py != 0 || Pz != 0

Available at all Geant4 states.

Parameters

Px	type d	Omittable : default value = 0.1
Py	type d	Omittable : default value = 0.2
Pz	type d	Omittable : default value = 0.3

span [span] [Unit]

Define the angle per 100 pixels.

Range : span>0.

Available at all Geant4 states.

Parameters

span	type d	Omittable : default value = 50
Unit	type s	Omittable : default value = deg	Parameter candidates : rad mrad sr deg radian milliradian steradian degree

headAngle [headAngle] [Unit]

Define the head direction.

Range : headAngle>=0. && headAngle<360.

Available at all Geant4 states.

Parameters

headAngle	type d	Omittable : default value = 270
Unit	type s	Omittable : default value = deg	Parameter candidates : rad mrad sr deg radian milliradian steradian degree

attenuation [Length] [Unit]

Define the attenuation length for transparent material.
Note that this value is independent to the attenuation length for the optical photon processes.

Range : Length > 0.

Available at all Geant4 states.

Parameters

Length	type d	Omittable : default value = 1
Unit	type s	Omittable : default value = m	Parameter candidates : pc km m cm mm um nm Ang fm parsec kilometer meter centimeter millimeter micrometer nanometer angstrom fermi

distortion [flag]

Distortion effect of the fish eye lens.

Available at all Geant4 states.

Parameters

flag

type b

Omittable : default value = 0

ignoreTransparency [flag]

Ignore transparency even if the alpha of G4Colour < 1.

Available at all Geant4 states.

Parameters

flag

type b

Omittable : default value = 0

backgroundColour [red] [green] [blue]

Command has been deprecated. Use /vis/viewer/set/background instead.

Available at all Geant4 states.

Parameters

red	type d	Omittable : default value = 1
green	type d	Omittable : default value = 1
blue	type d	Omittable : default value = 1