Start the Viewer¶
To start LaVue
$ lavue
or
$ lavue3
for python 3 version (for older debian/ubuntu releases).
Start the Viewer in the expert mode¶
Changing LaVue settings is available in the expert mode, i.e.
$ lavue -m expert
under an additional button: Configuration.
Launching options¶
To get all possible command-line parameters
$ lavue -h
usage: lavue [-h] [-v] [-m MODE] [-y STYLE] [-e STYLESHEET] [-j INSTANCE]
[-f IMAGEFILE] [-s SOURCE] [-c CONFIGURATION] [-z] [-o MBUFFER]
[--channel CHANNEL] [-b BKGFILE] [-k MASKFILE] [-p MASKHIGHVALUE]
[-t TRANSFORMATION] [-i SCALING] [-l LEVELS] [-q AUTOFACTOR]
[-g GRADIENT] [-r VIEWRANGE] [-x] [-u TOOL] [-a TANGODEVICE]
[-d DOORDEVICE] [-n ANALYSISDEVICE]
2d detector live image viewer
optional arguments:
-h, --help show this help message and exit
-v, --version program version
-m MODE, --mode MODE interface mode, i.e. user, expert
-y STYLE, --style STYLE
Qt style
-e STYLESHEET, --stylesheet STYLESHEET
Qt stylesheet
-j INSTANCE, --instance INSTANCE
LaVue instance with separate configuration
-ns, --no-space-instance
the configuration file name without a space character
(in the future major release it will become the default one)
--organization ORGANIZATION
Organization name
--domain DOMAIN
Organization domain name
--configuration-path CONFIGPATH
Base configuration path
-f IMAGEFILE, --image-file IMAGEFILE
image file name to show, e.g. /tmp/myfile2.nxs://entry/data/pilatus,,-1
-s SOURCE, --source SOURCE
image source, i.e. hidra, http, tangoattr,
tangoevents, tangofile, doocsprop, tineprop,
epicspv, zmq, asapo, nxsfile, test
multiple-source names is separated by semicolon ';'
-c CONFIGURATION, --configuration CONFIGURATION
configuration strings for the image source separated by comma, e.g.
hidra -> '-c haspilatus300k.desy.de'
http -> '-c haso228eiger/1.5.0'
tangoattr -> '-c sys/tg_test/1/double_image_ro'
tangoevents -> '-c sys/lamccds/1/video_last_image'
tangofile -> '-c p00/plt/1/LastImageTaken,p00/plt/1/LastImagePath'
zmq -> '-c haso228:5535,topic'
doocsprop -> '-c TTF2.FEL/BLFW2.CAM/BL0M1.CAM/IMAGE_EXT'
nxsfile -> '-c /tmp/myfile.nxs://entry/data/pilatus'
or '-c /tmp/myfile2.nxs://entry/data/pilatus,0,34'
tineprop -> '-c /HASYLAB/P00_LM00/Output/Frame'
asapo -> '-c pilatus,substream2'
epicspv -> '-c '00SIM0:cam1:,[640,480]'
configuration for multiple-sources is separated by semicolon ';'
--offset OFFSET relative offset x,y[,TRANSFORMATION]
where x,y are position of the first pixel for a particular image source
while optional TRANSFORMATION can be:
flip-up-down, flipud, fud, flip-left-right, fliplr, flr, transpose, t,
rot90, r90, rot180, r180, r270, rot270, rot180+transpose, rot180t or r180t
offset for multiple-sources is separated by semicolon ';'
e.g.
;200,300;,54;121,3
200,300;100,
200,300;100,200,t
;200,300,r45;,52;11,3,r180t
-w RANGEWINDOW, --range-window RANGEWINDOW
range window slices, i.e. x1:x2,y1:y2 , e.g. -w 10:500,20:200
where 'm' is '-'
--ds-factor DSFACTOR integer down-sampling factor
--ds-reduction DSREDUCTION
down-sampling reduction function, i.e. 'max', 'min', 'mean' or 'sum'
-z, --filters apply image filters
-o MBUFFER, --memory-buffer MBUFFER
size of memory buffer in frames
--channel CHANNEL
default channel number or 'sum', 'mean', 'rgb' or RGB channels separated by comma e.g.'0,1,3'
-b BKGFILE, --bkg-file BKGFILE
background file-name to load
--bkg-scale BKGSCALE background scaling factor
--bright-field-file BRIGHTFIELDFILE
bright field file-name to load
--bright-field-scale BRIGHTFIELDSCALE
bright field scaling factor
-k MASKFILE, --mask-file MASKFILE
mask file-name to load
-p MASKHIGHVALUE, --mask-high-value MASKHIGHVALUE
highest pixel value to show
-t TRANSFORMATION, --transformation TRANSFORMATION
image transformation, i.e.
flip-up-down, flip-left-right, transpose,
rot90, rot180, rot270, rot180+transpose
--overflow OVERFLOWVALUE
above the overflow value all pixels are shown in a special color defined in the configuration
-i SCALING, --scaling SCALING
intensity scaling, i.e. sqrt, linear, log
-l LEVELS, --levels LEVELS
intensity display levels e.g. -l m20,20
where 'm' is '-'
the RGB channel levels can be added separated by ';' e.g.
-l '0,40;1,35;0,30;2,45;green'
where 0,40 are the main intensity dispay levels
1,35 are the red channel intensity dispay levels
0,30 are the green channel intensity dispay levels
2,45 are the blue channel intensity dispay levels
and the green channel level widgets are selected
-q AUTOFACTOR, --factor AUTOFACTOR
factor of the highest pick for automatic levels in %, e.g. -q 0.5
-g GRADIENT, --gradient GRADIENT
color gradient, i.e. grey, highcontrast, thermal, flame,
bipolar, spectrum, spectrumclip, greyclip, reversegrey, cyclic,
yellowy, inverted
the multi channel color gradients can be added separated by ';' e.g. -g 'thermal;flame'
-r VIEWRANGE, --range VIEWRANGE
viewbox range, i.e. xmin,ymin,xsize,ysize , e.g. -r 5.6,m60.7,543.2,444.11
where 'm' is '-'
-x, --start connect the image source
-u TOOL, --tool TOOL utility tool, i.e. intensity, roi, movemotors, meshscan, maxima,
linecut, projections, 1d-plot, angle/q, q+roi+proj, parameters, diffractogram
--tool-configuration TOOLCONFIG
JSON dictionary with tool configuration, e.g. {"rows_to_plot":"0,1","buffer_size":512}
-a TANGODEVICE, --tango-device TANGODEVICE
tango device of LavueController to communicated with clients during the run
-d DOORDEVICE, --door DOORDEVICE
door device to communicated with sardana during the run
-n ANALYSISDEVICE, --analysis-device ANALYSISDEVICE
tango analysis device of LambdaOnlineAnalysis to communicate with analysis clients during the run
--log LOG logging level, i.e. debug, info, warning, error, critical