Imaging Plotting Commands

Markdown

All of the commands below are given for a given Source. The format for the commands are as follows: src[src#,CMD].

Below are commands for a given set of Fields, Wavelengths, Polarization States, Temperatures, Configurations given a particular source:

Command	Description
rx	x - Pupil coordinate in Pupil Units (un-normalized)
ry	y - Pupil coordinate in Pupil Units (un-normalized)
pkx	x - Ray slope in x direction in Image Space
pky	y - Ray slope in y direction in Image Space
px	x - Ray position at Image Surface
py	y - Ray position at Image Surface
opls	Total Optical Path length to the Exit Pupil
opds	Optical Path Difference to the Exit Pupil from given ray to the Field-Chief Ray
psf_x	x - coordinate for PSF
psf_y	y - coordinate for PSF
psf	Amplitude for PSF
mtf_sx	x - Spatial frequency
mtf_sy	y - Spatial frequency
mtf	Amplitude for MTF

Additionally associated constants for a given source group ( format: src[src#,CONSTANT] )

Constant	Description
centroid_x	x - coordinate for Centroid
centroid_y	y - coordinate for Centroid
chief_x	x - coordinate for Chief Ray
chief_y	y - coordinate for Chief Ray
chiefpri_x	x - coordinate for Chief Ray at primary wavelength
chiefpri_y	y - coordinate for Chief Ray at primary wavelength
opl_center	OPL of the Chief Ray to Exit Pupil
total_energy	Total Flux of Source Rays
detector_energy	Total Flux of Rays on Detector
strehl	Strehl ratio at Detector
piston	Zernike Piston Term
tilt	Zernike Tilt Term
tilt_axis_angle	Zernike Tilt Axis Angle
focus	Zernike focus/defocus
defocus	Zernike focus/defocus
astigmatism	Zernike Astigmatism
asti	Zernike Astigmatism
astigmatism_angle	Zernike Astigmatism Angle
coma	Zernike Coma
coma_angle	Zernike Coma Angle
spherical	Zernike Spherical

For Axial Color related commands for Polarization States, Temperatures, Configurations given a particular source:

Command	Description
axial_color_min	Minimum Focus for Axial Color
axial_color_avg	Average Focus for Axial Color
axial_color_max	Max Focus for Axial Color
axial_lambda	Wavelength for Axial Color
axial_zone	Zone for Axial Color

For our Particular Wavelengths vs Field: for a given Wavelength, Polarization States, Temperatures, Configurations given a particular source:

Command	Description
lateral_x	x - coordinate for Lateral Color
lateral_y	y - coordinate for Lateral Color
lateral_field	Field Angle
parabasal_avg	Parabasal Ray Trace focus Average Value
parabasal_max	Parabasal Ray Trace focus Max Value
parabasal_min	Parabasal Ray Trace focus Min Value
rms_spot	RMS Spot size
rms_spot_x	RMS Spot size in x direction
rms_spot_y	RMS Spot size in y direction
geo_spot	Max Spot size
geo_spot_x	Max Spot size in x direction
geo_spot_y	Max Spot size in y direction
vig_frac	Fraction of Rays that are vignetted
nominal_cr_x	x - coordinate for Chief Ray
nominal_cr_y	y - coordinate for Chief Ray
etendue	Etendue at Image surface
area	Area of spot made on the Image surface
solid_angle	Solid angle subtended at Image surface
flux	Flux at the Image surface
costheta	cosine of Angle relative to surface normal at Image surface
src_etendue	Etendue at the source
src_area	Area at the source
src_solid_angle	Solid angle at the source
src_flux	Flux at the Source
src_costheta	cosine of Angle relative to surface normal at Object surface

Constants for our Particular Wavelengths vs Field:

Constant	Description
linear_cr_offset	Offset position for Chief Ray position for Linear Fit
linear_cr_slope	Slope of parabasal Chief Ray for Linear Fit
linear_cr_nslope	Slope of parabasal Chief Ray passing through zero
min_geo	Minimum Geometric Spot Size
min_rms	Minimum RMS Spot Size
min_area	Minimum Area of Spot
max_flux	Maximum Flux at the Image Surface
min_solid_angle	Minimum Solid Angle at the Image Surface
min_src_area	Minimum Source Area
max_src_flux	Maximum Source Flux
min_src_solid_angle	Minimum Source Solid Angle

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Last updated October 18, 2026