draw_time_lag(ncfile, values)
  ncfile = '#' list of couples ('%' formed) [prefilen];[predslice];[pretvarn];[prevarn]%[futfilen];
      [futdslice];[futtvarn];[futvarn]
    'pre': values to act as previous values
    'fut': values to act as future values

    [filen]: name of the file
    [dimslice]: '|' list of [dimn],[dimrange]
      [dimn]: name of the dimension
      [dimrange]: range for the slice
        * [integer]: which value of the dimension
        * -1: all along the dimension
        * -9: last value of the dimension
        * [beg]@[end]@[inc] slice from [beg] to [end] every [inc]
        * NOTE, no dim name all the dimension size
      [tvarn]: name of the variable time
      [yvarn]: name of the variable to use for the values
  values = [dimxyfmt];[axeskind];[preaxislab];[preunits];[futaxislab];[futunits];[prerangevals];
      [futrangevals];[timevals];[labels];[figlagkind];[graphtit];[legvalues];[kindfig];[fign];[close]
    [dimxyfmt]=[dxs],[dxf],[Ndx],[ordx],[dys],[dyf],[Ndy],[ordy]: format of the values at each
        axis (or single 'auto' for 'auto','auto')
      [dxs]: style of x-axis ('auto' for 'pretty')
        'Nfix', values computed at even 'Ndx'
        'Stringlist', a given list of strings
        'Vfix', values computed at even 'Ndx' increments
        'pretty', values computed following aprox. 'Ndx' at 'pretty' intervals (2.,2.5,4,5,10)
      [dxf]: format of the labels at the x-axis
      [Ndx]: Number of ticks at the x-axis (for 'Stringlist', '@' list of labels)
      [ordx]: angle of orientation of ticks at the x-axis ('auto' for horizontal)
      [dys]: style of y-axis ('auto' for 'pretty')
      [dyf]: format of the labels at the y-axis
      [Ndy]: Number of ticks at the y-axis
      [ordy]: angle of orientation of ticks at the y-axis ('auto' for horizontal)
    [axeskind]: type of axes to be plotted
      'centered': crossed at 0,0 at the center of the figure
      'box': around the figure
    [preaxislab]: Label for the future-axis ('!' for spaces)
    [preunits]: units of the future-label
    [futaxislab]: Label for the future-axis ('!' for spaces)
    [futunits]: units of the future-label
    [prerangevals]: Range of the previous axis with the values (single 'None' for 'auto','auto')
      [vmin],[vmax]: minimum and maximum values
      'auto': the computed minimumm or maximum of the values
    [futrangevals]: Range of the future axis with the values (single 'None' for 'auto','auto')
      [vmin],[vmax]: minimum and maximum values
      'auto': the computed minimumm or maximum of the values
    [timevals]: [timen]|[units]|[kind]|[tfmt] time labels characteristics
      [timen]; name of the time variable
      [units]; units string according to CF conventions ([tunits] since
        [YYYY]-[MM]-[DD] [[HH]:[MI]:[SS]], '!' for spaces)
      [kind]; kind of output
        'Nval': according to a given number of values as 'Nval',[Nval]
        'exct': according to an exact time unit as 'exct',[tunit];
          tunit= [Nunits],[tu]; [tu]= 'c': centuries, 'y': year, 'm': month,
            'w': week, 'd': day, 'h': hour, 'i': minute, 's': second,
            'l': milisecond
      [tfmt]; desired format
    [labels]: ',' list of labels for the legend ('None' for no-labels, '!' for spaces)
    [figlagkind]=[kindname],[valueskind] kind of time-lag plot
      'repeatPeriod',[Nlag],[period],[colorbar],[cbarfmt],[cbaror],[ltype],[lwidth],[mtype],[msize
]:           time-lag for a given repeating sub-period, Line-conected points following a colorbar and time-values
        [Nlag]: number of time steps as lag
        [period]: period to be repeated allover the time-data
        [colorbar]: name of the color bar to use ('auto' for rainbow)
        [cbarfmt]: format of the numbers in the colorbar
        [cbaror]: orientation of the colorbar ('auto' for vertical)
        [ltype]: type of the lines (single value for the same, or 'auto')
        [lsize]: width of the lines (single value for the same, or 'auto')
        [mtype]: type of the markers (single value for the same, or 'auto')
        [msize]: size of the markers (single value for the same, or 'auto')
      'shadTline',[Nlag],[colorbar],[cbarfmt],[cbaror],[ltype],[lwidth],[mtype],[msize]: Line-conected
          points following a colorbar and time-values
        [Nlag]: number of time steps as lag
        [colorbar]: name of the color bar to use ('auto' for rainbow)
        [cbarfmt]: format of the numbers in the colorbar
        [cbaror]: orientation of the colorbar ('auto' for vertical)
        [ltype]: type of the lines (single value for the same, or 'auto')
        [lsize]: width of the lines (single value for the same, or 'auto')
        [mtype]: type of the markers (single value for the same, or 'auto')
        [msize]: size of the markers (single value for the same, or 'auto')
      'simplepts',[Nlag],[col],[type],[size]: Simple points assuming that values have all the same times
        [Nlag]: number of time steps as lag
        [col]: '@' list of colors of the points (single value for the same, or 'auto')
        [type]:types of the points (single value for the same, or 'auto')
        [size]: sizes of the points kind of lag-time figure (single value for the same, or 'auto')
        labels= list of labels for legend (None for no legend, and 'None' for no specific label)
        [graphtit]: title of the figure '!' for spaces
    [legvalues]=[locleg]|[fontsize]:
      [locleg]: location of the legend (0, autmoatic)
        1: 'upper right', 2: 'upper left', 3: 'lower left', 4: 'lower right',
        5: 'right', 6: 'center left', 7: 'center right', 8: 'lower center',
        9: 'upper center', 10: 'center'
      [fontsize]: font size for the legend (auto for 12)
    [kindfig]: kind of output figure (png, pdf, ps)
    [fign]: name of the figure (without extension)
    [close]: whether figure should be close or not