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RVIDLINES HELP
STATUS LINE
The status line gives the pixel position, observed wavelength,
rest wavelength, user wavelength, velocity residual, and optional
line identification:
pixel observed rest user Vresidual [identification]
CURSOR KEY SUMMARY
? Help l Match list w Window graph
a Affect all features m Mark feature y Find peaks
b Deblend n Next feature z Zoom graph
c Center feature(s) o Go to line + Next feature
d Delete feature(s) p Pan graph - Previous feature
f Fit velocity q Quit . Nearest feature
i Initialize r Redraw graph I Interrupt
j Preceding line t Reset position
k Next line u Enter coordinate
COLON COMMAND SUMMARY
:show [file] :features [file] :coordlist [file]
:cradius [value] :threshold [value] :database [file]
:ftype [type] :fwidth [value] :image [image]
:labels [type] :match [value] :maxfeatures [value]
:minsep [value] :read [image [ap]] :write [image [ap]]
:zwidth [value] :add [image [ap]]
CURSOR KEYS
? Clear the screen and print menu of options
a Apply next (c)enter or (d)elete operation to (a)ll features
b Mark and de(b)lend features by Gaussian fitting
c (C)enter the feature nearest the cursor
d (D)elete the feature nearest the cursor
f (F)it a redshift and velocity from the fitted and user coordinates
i (I)nitialize (delete features and coordinate fit)
j Go to the preceding image line or column in a 2D or multispec image
k Go to the next image line or column in a 2D or multispec image
l Match coordinates in the coordinate (l)ist
m (M)ark a new feature near the cursor and enter coordinate and label
n Move the cursor or zoom to the (n)ext feature (same as +)
o Go to the specified image line or column in a 2D or multispec image
p (P)an to user defined window after (z)ooming on a feature
q (Q)uit and continue with next image (also carriage return)
r (R)edraw the graph
t Reset the position of a feature without centering
u Enter a new (u)ser coordinate and label for the current feature
w (W)indow the graph. Use '?' to window prompt for more help.
y Automatically find "maxfeatures" strongest peaks and identify them
z (Z)oom on the feature nearest the cursor
. Move the cursor or zoom to the feature nearest the cursor
+ Move the cursor or zoom to the next feature
- Move the cursor or zoom to the previous feature
I Interrupt task and exit immediately. Database information is not saved.
COLON COMMANDS
The parameters are listed or set with the following commands which may be
abbreviated. To list the value of a parameter type the command alone.
:show file Show the values of all the parameters
:features file Write feature list to file (default is STDOUT)
:coordlist file Coordinate list file
:cradius value Centering radius in pixels
:threshold value Detection threshold for feature centering
:database name Database for recording feature records
:ftype value Feature type
(emission|absorption|gemission|gabsorption)
:fwidth value Feature width in pixels
:image imagename Set a new image or show the current image
:labels value Feature label type
(none|index|pixel|coords|user|both)
:match value Coordinate list matching distance
:maxfeatures value Maximum number of features automatically found
:minsep value Minimum separation allowed between features
:read name ap Read a record from the database
(name and ap default to the current spectrum)
:write name ap Write a record to the database
(name and ap default to the current spectrum)
:add name ap Add features from the database
(name and ap default to the current spectrum)
:zwidth value Zoom width in user units
Labels:
none - No labels
index - Sequential numbers in order of increasing pixel position
pixel - Pixel coordinates
coords - User coordinates such as wavelength
user - User labels
both - Combination of coords and user
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