-lineplot: Plots a field component along an axis.

 ##############################################################################
 # Flags: nomenu, noprompt, nomessage,                                        #
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 # section: -lineplot                                                         #
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 # symbol    = e_1                                                            #
 # quantity  = e                                                              #
 # solution  = 1                                                              #
 # component = z                                                              #
 #                                                                            #
 # direction = z                                                              #
 # startpoint= ( 0.0, 0.0, -1.0e+30 )                                         #
 # used:       ( undefined, undefined, undefined )                            #
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 # plotopts = -geometry 690x560+10+10                                         #
 # showtext = yes                       -- (yes | no)                         #
 # onlyplotfiles= no                    -- (yes | no)                         #
 ##############################################################################
 # doit, ?, return, end, help, ls                                             #
 ##############################################################################

• symbol= QUAN_ISOL:
  This is the full name of the symbol to be processed.
• quantity= QUAN:
  This is the first part of the "symbol".
• solution= ISOL:
  This is the last part of the "symbol", the index of the "symbol".

• component= [x|y|z|]:
  The wanted component of the 3D-field to be plotted.
• direction= [x|y|z]:
  The direction along which the component shall be plotted.
• startpoint= (X0, Y0, Z0):
  The startpoint from which the component shall be plotted.
• plotopts= ANY STRING CONTAING OPTIONS FOR THE PLOT-PROGRAMS:
  gd1.pp does not display the data itself, but writes a datafile for mymtv2 (1D and 2D data) or gd1.3dplot (3D data) and starts mymtv2 or gd1.3dplot to display these data.
  Useful options are:
  • -geometry X11-GEOMETRY Initial geometry for the X11 window of mymtv2 or gd1.3dplot.

• showtext= [yes|no]:
  This flags, whether the annotation text shall appear in the plots.

• onlyplotfiles= [yes|no]:
  This flags, whether plotfiles shall be written AND mymtv2 or gd1.3dplot shall be started to display them on an X11 display, or whether only the plotfiles shall be produced.

Example To specify as database the last computed database, then to generate a plot of the x-component of the electric field of the third field in the database, starting from the lowest z-coordinate in the grid, up to the highest z-coordinate at the position (x,y)= (0,0), we say (using abbreviations):

 -gen, i @last
 -linepl, sym e_3, comp x, dir z, sta (0,0,@zmin), do

In full glory, without abbreviations, this is:

 -general
    infile= @last
 -lineplot
    symbol= e_3
    component= x
    direction= z
    startpoint= ( 0, 0, @zmin )
  doit