如何使gnuplot pm3d地图填充该区域？
我正在绘制一张热图，数据范围为r轴0-60度和0-1度。我有步骤5的角度0-60的数据，但并非所有的r轴数据都是1，因此图像中所示的绘图填充了该区域，我尝试使用dgrid3d，但它给出的是正方形而不是饼图。我尝试使用table，但它的输出相同。不管怎么说，解决这个问题如何使gnuplot pm3d地图填充该区域？,gnuplot,Gnuplot,我正在绘制一张热图，数据范围为r轴0-60度和0-1度。我有步骤5的角度0-60的数据，但并非所有的r轴数据都是1，因此图像中所示的绘图填充了该区域，我尝试使用dgrid3d，但它给出的是正方形而不是饼图。我尝试使用table，但它的输出相同。不管怎么说，解决这个问题 如果没有用于测试的数据文件，很难提供帮助dgrid3d始终创建矩形栅格。因此，您可能必须执行类似于setdgrid3d；设置表格“tmp.dat”；splot'file2'u 1:2:3；未设置表；取消设置dgrid3d；设置
如果没有用于测试的数据文件，很难提供帮助<代码>dgrid3d始终创建矩形栅格。因此，您可能必须执行类似于
setdgrid3d；设置表格“tmp.dat”；splot'file2'u 1:2:3；未设置表；取消设置dgrid3d；设置pm3d；splot'tmp.dat'u（$2*cos（$1））：（$2*sin（$1））：3reset
set term pngcairo enhanced size 800,800
set output 'polar.png'
set angles degrees
set multiplot
set lmargin at screen 0.1
set tmargin at screen 0.9
set rmargin at screen 0.9
set bmargin at screen 0.1
set samples 1000
unset border
set pm3d interpolate 10,10
set pm3d map
unset key
#set dgrid3d #20,20
unset xtics
unset ytics
# plot the heatmap
set parametric
set isosamples 15
set style data lines
set yrange[0:1]
set xrange[0:1]
set colorbox user origin 0.9,0.1 size 0.03,0.8
set dgrid3d
#set mapping spherical
splot 'file2' u 1:2:3 w pm3d
#splot 'file' u ($2*cos($1)):($2*sin($1)):3 w pm3d
unset parametric
R_max = 1
dR = 0.2
phi_max = 60.
dphi = 15
set xr [0:R_max]
set yr [0:R_max]
set xtics out nomirror
unset ytics
set style line 42 lc rgb '#666666' dt 3
unset key
plot \
for [i=0:phi_max/dphi] (x>=0&&x<=R_max*cos(i*dphi))?tan(i*dphi)*x:1/0 w l ls 42
set polar
set trange [0:phi_max]
unset raxis
unset rtics
plot \
for [i=1:ceil(R_max/dR)] i*dR<=R_max?i*dR:1/0 w l ls 42
unset raxis
unset rtics
#plot cos(t) w l lw 2 lc rgb 'dark-red'
unset polar
unset multiplot
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