gnuplot：带有重叠抽搐的连接轴

Question

前段时间我发现了一种以很好的方式加入Axes的方法。现在我重新审视报告的情节，我发现我不满意......

原因是我的情节tics处的标签之间存在重叠。由于我加入了轴，右边的一个图tics的左边和第一个将重叠，如下面的例子所示，随机的sin和cos绘制。

我怎样才能以一般方式规避这一点。请注意，我将在系列中绘制很多这样的数字，根据我的数据值，找出每个tics不是我的选项。

提前致谢！

我的情节文件：JointAxes.gp

# Generic gnuPlot script for plotting multiple plots in a single figure

# Resetting all variables. Standard for all plots.
reset

# Setting (terminal) options. 
set terminal pdfcairo color font ",8"
set output 'JointAxes.pdf'

# Option to plot multiple graphs in one picture, note the number of figs here is 4 (2 by 2). 
set multiplot layout 2,2 rowsfirst

# Macro's needed to produce a figure with all plots 'touching'.
set macros
# Small plot labels
LABEL = "at graph 0.9,0.9"
# Axes adjustment
set format x "%.1f"

XAXE = 'set xlabel "Extent"; set xtics -2*pi,pi/3 # N.B. tics should be changed due to conjoined axes.
YAXE = 'set ylabel "Amplitude"; set ytics -1,0.25

NOX = "unset xtics;\
    unset xlabel"
NOY =  "unset ytics;\
    unset ylabel"

# Locking the graphs at fixed points in the figure
# Margins for each row resp. column
TMARGIN = "set tmargin at screen 0.90; set bmargin at screen 0.55"
BMARGIN = "set tmargin at screen 0.55; set bmargin at screen 0.20"
LMARGIN = "set lmargin at screen 0.10; set rmargin at screen 0.50"
RMARGIN = "set lmargin at screen 0.50; set rmargin at screen 0.90"

# General plot markup
unset key
# Legend/key adjustment
# set key samplen 3 # length of legend colour-bar
# set key spacing 1 # spacing between samples

# Optional: Adjusting range
set yrange [-1:1]
set xrange [-pi:pi]

# Plotting the first of the 'sub'-plot
@YAXE; @NOX 
@TMARGIN; @LMARGIN
set label 1 'a' @LABEL
plot sin(x)

# Plotting the second 'sub'-plot, i.e. a new plot command.
@NOX; @NOY
@TMARGIN; @RMARGIN
set label 1 'b' @LABEL
plot cos(x)

# Plotting 3rd
@YAXE; @XAXE
@BMARGIN; @LMARGIN
set label 1 'c' @LABEL
plot sin(x + 1.57)

#And Fourth
@NOY; @XAXE
@BMARGIN; @RMARGIN
set label 1 'd' @LABEL
plot cos(x + 1.57)

unset multiplot
set terminal wxt
set output

# OEF