Start the Viewer

To start LaVue

  $ lavue

for python 2.7 or

  $ lavue3

for python 3.

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
-f IMAGEFILE, --image-file IMAGEFILE
                        image file name to show
  -s SOURCE, --source SOURCE
                        image source, i.e. hidra, http, tangoattr,
                            tangofile, zmq, nxsfile, test
  -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'
                          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'
  -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
  -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
  -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 '-'
-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
-r VIEWRANGE, --range VIEWRANGE
viewbox range, i.e. xmin,ymin,xsize,ysize , e.g. -l 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,
                          linecut, projections, 1d-plot, angle/q, q+roi+proj
  -a TANGODEVICE, --tango-device TANGODEVICE
                        tango device 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