gnuplot，直方图行堆叠列的问题
gnuplot, problem with histogram rowstacked columns
我正在根据数据文件创建行堆叠直方图。
这是我正在使用的脚本：
set title "Heat exchanger surface at the optimal solution"
set termopt enhanced
set grid
set key top left
#set key off
set xlabel "Working fluid"
set ylabel "A [m^{2}]"
#set xrange[0.0:0.0]
#set yrange[0.0:0.0]
set yrange[0.0:10.0]
set offsets 0.1,0.1,0,0
#set datafile missing '0.000000000000000000e+00'
#set datafile missing '0.000000'
set style data histogram
#set style histogram clustered
set style histogram rowstacked
#set style fill solid border
set style fill solid 1.00 border -1
set boxwidth 0.5
#set xtics ("R124" "R124", "Isobutane" "Isobutane", "R245fa" "R245fa", "Isopentane" "Isopentane", "Cyclopentane" "Cyclopentane")
#set xtics nomirror rotate by -45 scale 0 font ",8"
plot\
newhistogram "conventional cycle",\
"parasub_t3_dtpprec_5.txt" using ():xticlabels(2) notitle lc "#E74C3C", '' using () notitle lc rgb "#3498DB",\
newhistogram "recuperative cycle",\
"parasub_t3_dtpprec_5.txt" using ():xticlabels(2) title "A_{evap}" lc "#E74C3C", '' using () title "A_{cond}" lc rgb "#3498DB", '' using () title "A_{rec}" lc rgb "#1ABC9C",\
只要有多行数据，脚本就可以正常工作。例如下面的数据文件：
#(1) DTsup [oC] (2) T3 [oC] (3) pr [-] (4) phigh [Pa] (5) plow [Pa] (6) nth [-] (7) nthr [-] (8) wnet [J/kg] (9) wp [J/kg] (10) we [J/kg] (11) bwr [-] (12) Toout [K] (13) Tooutr [K] (14) Twout [K] (15) Twoutr [K] (16) mo [kg/s] (17) mor [kg/s] (18) mwf [kg/s] (19) mw [kg/s] (20) mwr [kg/s] (21) qevap [J/kg] (22) qevapr [J/kg] (23) qrec [J/kg] (24) qcond [J/kg] (25) qcondr [J/kg] (26) Aevap [m^2] (27) Aevapr [m^2] (28) Arec [m^2] (29) Acond [m^2] (30) Acondr [m^2] (31) Qin [W] (32) Qinr [W] (33) mbm [kg/s] (34) mbmr [kg/s] (35) Exde [W] (36) Exdp [W] (37) Exdevap [W] (38) Exdevapr [W] (39) Exdrec [W] (40) Exdcond [W] (41) Exdcondr [W] (42) nex [-] (43) nexr [-] (44) nthchp [-] (45) nthchpr [-] (46) nelchp [-] (47) nelchpr [-] (48) nchp [-] (49) nchpr [-] (50) PHR [-] (51) PHRr [-] (52) PESR [-] (53) PESRr [-]
0.000000 100.00 6.615031 722136.079363 109165.948144 0.120395 0.133603 54105.033173 1255.690368 55360.723541 0.022682 323.399196 342.291477 301.256224 300.341368 0.865955 0.833098 1.026809 11.974715 11.980348 449397.650120 404968.415600 44429.234520 395292.616947 350863.382427 1.749529 1.580108 0.905206 4.741577 4.431979 485732.339365 437710.913321 0.030358 0.027357 12646.313088 249.135367 75334.789746 68040.736716 1051.434109 10361.313998 7598.925672 0.797025 0.795329 0.835625 0.823077 0.102937 0.114231 0.938563 0.937308 0.123186 0.138785 0.193811 0.206780
0.000000 125.00 10.950918 1195467.347000 109165.948144 0.143171 0.165337 69590.450251 2224.353135 71814.803386 0.030973 323.636526 351.135647 301.686140 300.350555 0.728765 0.695743 0.798322 9.315172 9.314445 486065.769850 420901.502320 65164.267530 416475.319599 351311.052069 1.717772 1.493149 0.995391 3.798056 3.490943 408459.763072 353699.722503 0.025529 0.022106 12367.695114 342.877062 51440.216065 43942.601168 1342.638004 9868.981536 5917.282287 0.818783 0.819301 0.813988 0.792930 0.122411 0.141363 0.936399 0.934293 0.150384 0.178279 0.215916 0.236295
0.000000 150.00 17.111919 1868038.858437 109165.948144 0.159571 0.190207 82665.881533 3599.317677 86265.199210 0.041724 323.971907 358.988006 302.090891 300.366300 0.654590 0.623571 0.672049 7.826862 7.838158 518050.203910 434609.996396 83440.207514 435384.322377 351944.114863 1.701833 1.434744 1.044041 3.277773 2.973168 366479.289887 307451.983717 0.022905 0.019216 12183.225690 466.601844 38046.705189 30728.594794 1564.632186 9976.733938 4991.692881 0.834443 0.837585 0.798407 0.769303 0.136433 0.162627 0.934841 0.931930 0.170882 0.211395 0.231097 0.257935
0.000000 175.00 25.632899 2798239.736148 109165.948144 0.170657 0.205830 91441.090019 5498.220729 96939.310748 0.056718 324.566507 362.694767 302.260397 300.382724 0.613275 0.584904 0.607556 7.087607 7.087352 535819.088490 444255.015085 91564.073405 444377.998471 352813.925066 1.589821 1.335576 1.040693 2.995781 2.711167 342673.623125 284115.439112 0.021417 0.017757 12237.465845 643.490745 30526.883339 23645.251436 1591.296117 9834.879936 4528.051268 0.844626 0.849901 0.787876 0.754461 0.145911 0.175985 0.933788 0.930446 0.185196 0.233259 0.241029 0.270913
给出这张图：
单行数据情况如下：
#(1) DTsup [oC] (2) T3 [oC] (3) pr [-] (4) phigh [Pa] (5) plow [Pa] (6) nth [-] (7) nthr [-] (8) wnet [J/kg] (9) wp [J/kg] (10) we [J/kg] (11) bwr [-] (12) Toout [K] (13) Tooutr [K] (14) Twout [K] (15) Twoutr [K] (16) mo [kg/s] (17) mor [kg/s] (18) mwf [kg/s] (19) mw [kg/s] (20) mwr [kg/s] (21) qevap [J/kg] (22) qevapr [J/kg] (23) qrec [J/kg] (24) qcond [J/kg] (25) qcondr [J/kg] (26) Aevap [m^2] (27) Aevapr [m^2] (28) Arec [m^2] (29) Acond [m^2] (30) Acondr [m^2] (31) Qin [W] (32) Qinr [W] (33) mbm [kg/s] (34) mbmr [kg/s] (35) Exde [W] (36) Exdp [W] (37) Exdevap [W] (38) Exdevapr [W] (39) Exdrec [W] (40) Exdcond [W] (41) Exdcondr [W] (42) nex [-] (43) nexr [-] (44) nthchp [-] (45) nthchpr [-] (46) nelchp [-] (47) nelchpr [-] (48) nchp [-] (49) nchpr [-] (50) PHR [-] (51) PHRr [-] (52) PESR [-] (53) PESRr [-]
0.000000 100.00 5.341869 2378728.179011 445298.822341 0.112752 0.114041 19161.460322 1801.363568 20962.823891 0.085931 324.451846 326.146202 300.506605 300.412249 0.927877 0.922580 2.899338 14.211155 14.212341 169943.894226 168023.173176 1920.721050 150782.433904 148861.712854 1.530831 1.516876 0.148261 5.350023 5.288725 518657.725517 512795.809645 0.032416 0.032050 14432.854403 1006.224611 85187.593357 84077.690879 91.521847 9284.760286 9108.082145 0.788085 0.787993 0.842886 0.841661 0.096403 0.097505 0.939289 0.939166 0.114372 0.115848 0.186111 0.187420
两列合并为一列，如下图所示：
老实说，我不知道该如何处理。
此外，我想知道是否有一种方法可以使框宽度保持不变，而不管列数如何。
提前致谢。
编辑：感谢 theozh 和 ethan 优雅的解决方案，问题已解决。这种行为似乎是一个错误，因为原始脚本在单行数据文件的情况下特别失败。
这种行为在我看来像是一个错误（或者是我不了解直方图样式的工作原理）。
通常，您可以通过 every ::a::b（检查 help every）将您的数据限制为仅原始数据的一部分。
在您的情况下，只要 b>a，它就会按预期工作。
但是，当您的数据仅包含一行时，即您将其限制为一行，例如a=0 和 b=0 你会得到奇怪的结果。
（到目前为止）我可以分开条形的唯一方法是引入一个虚拟的新直方图。
这会造成很大的差距，这不是很好。所以，我希望有更好的解决方案。
关于boxwidth，你可以设置为绝对值或相对值。检查 help boxwidth.
脚本：
### histogram rowstacked with just one row
reset session
$Data <<EOD
#(1) DTsup [oC] (2) T3 [oC] (3) pr [-] (4) phigh [Pa] (5) plow [Pa] (6) nth [-] (7) nthr [-] (8) wnet [J/kg] (9) wp [J/kg] (10) we [J/kg] (11) bwr [-] (12) Toout [K] (13) Tooutr [K] (14) Twout [K] (15) Twoutr [K] (16) mo [kg/s] (17) mor [kg/s] (18) mwf [kg/s] (19) mw [kg/s] (20) mwr [kg/s] (21) qevap [J/kg] (22) qevapr [J/kg] (23) qrec [J/kg] (24) qcond [J/kg] (25) qcondr [J/kg] (26) Aevap [m^2] (27) Aevapr [m^2] (28) Arec [m^2] (29) Acond [m^2] (30) Acondr [m^2] (31) Qin [W] (32) Qinr [W] (33) mbm [kg/s] (34) mbmr [kg/s] (35) Exde [W] (36) Exdp [W] (37) Exdevap [W] (38) Exdevapr [W] (39) Exdrec [W] (40) Exdcond [W] (41) Exdcondr [W] (42) nex [-] (43) nexr [-] (44) nthchp [-] (45) nthchpr [-] (46) nelchp [-] (47) nelchpr [-] (48) nchp [-] (49) nchpr [-] (50) PHR [-] (51) PHRr [-] (52) PESR [-] (53) PESRr [-]
0.000000 100.00 6.615031 722136.079363 109165.948144 0.120395 0.133603 54105.033173 1255.690368 55360.723541 0.022682 323.399196 342.291477 301.256224 300.341368 0.865955 0.833098 1.026809 11.974715 11.980348 449397.650120 404968.415600 44429.234520 395292.616947 350863.382427 1.749529 1.580108 0.905206 4.741577 4.431979 485732.339365 437710.913321 0.030358 0.027357 12646.313088 249.135367 75334.789746 68040.736716 1051.434109 10361.313998 7598.925672 0.797025 0.795329 0.835625 0.823077 0.102937 0.114231 0.938563 0.937308 0.123186 0.138785 0.193811 0.206780
0.000000 125.00 10.950918 1195467.347000 109165.948144 0.143171 0.165337 69590.450251 2224.353135 71814.803386 0.030973 323.636526 351.135647 301.686140 300.350555 0.728765 0.695743 0.798322 9.315172 9.314445 486065.769850 420901.502320 65164.267530 416475.319599 351311.052069 1.717772 1.493149 0.995391 3.798056 3.490943 408459.763072 353699.722503 0.025529 0.022106 12367.695114 342.877062 51440.216065 43942.601168 1342.638004 9868.981536 5917.282287 0.818783 0.819301 0.813988 0.792930 0.122411 0.141363 0.936399 0.934293 0.150384 0.178279 0.215916 0.236295
0.000000 150.00 17.111919 1868038.858437 109165.948144 0.159571 0.190207 82665.881533 3599.317677 86265.199210 0.041724 323.971907 358.988006 302.090891 300.366300 0.654590 0.623571 0.672049 7.826862 7.838158 518050.203910 434609.996396 83440.207514 435384.322377 351944.114863 1.701833 1.434744 1.044041 3.277773 2.973168 366479.289887 307451.983717 0.022905 0.019216 12183.225690 466.601844 38046.705189 30728.594794 1564.632186 9976.733938 4991.692881 0.834443 0.837585 0.798407 0.769303 0.136433 0.162627 0.934841 0.931930 0.170882 0.211395 0.231097 0.257935
0.000000 175.00 25.632899 2798239.736148 109165.948144 0.170657 0.205830 91441.090019 5498.220729 96939.310748 0.056718 324.566507 362.694767 302.260397 300.382724 0.613275 0.584904 0.607556 7.087607 7.087352 535819.088490 444255.015085 91564.073405 444377.998471 352813.925066 1.589821 1.335576 1.040693 2.995781 2.711167 342673.623125 284115.439112 0.021417 0.017757 12237.465845 643.490745 30526.883339 23645.251436 1591.296117 9834.879936 4528.051268 0.844626 0.849901 0.787876 0.754461 0.145911 0.175985 0.933788 0.930446 0.185196 0.233259 0.241029 0.270913
EOD
set title "Heat exchanger surface at the optimal solution"
set termopt enhanced
set grid
set xlabel "Working fluid"
set ylabel "A [m^{2}]"
set yrange[0.0:10.0]
set offsets 0.1,0.1,0,0
set key top left noautotitle
set style data histogram
set style histogram rowstacked
set style fill solid 1.00 border -1
set boxwidth 0.5
a=0
b=0
plot\
newhistogram "conventional cycle", \
$Data u ():xtic(2) every ::a::b lc rgb "#E74C3C" , \
'' u () every ::a::b lc rgb "#3498DB", \
newhistogram "", '' u (0), \
newhistogram "recuperative cycle", \
'' u ():xtic(2) every ::a::b title "A_{evap}" lc rgb "#E74C3C", \
'' u () every ::a::b title "A_{cond}" lc rgb "#3498DB", \
'' u () every ::a::b title "A_{rec}" lc rgb "#1ABC9C"
### end of script
结果：
Panus Cladus>
In the case of single row data like the following,
the two columns collapse into one.
theozh>
The only way (so far) I could separate the bars is introducing a dummy
newhistogram. This creates a large gap which is not so nice. So, I
hope there is a much better solution.
newhistogram 绘图元素采用可选关键字 at <x-coordinate>。您可以修改您的 plot 命令，为每个系列的集群堆栈提供起始 x。例如，假设您在一个图中绘制许多这样的数据文件；图中有不同数量的线，但您知道最大值为 10。您可以构建一个 plot 命令
file(i) = sprintf("File%d.dat",i)
plot for [i=1:N] \
newhistogram at i*10 title file(i), \
file(i) using (), '' using (), ...
一个down-side的解决方案是你可能不希望在短数据文件生成的簇之后额外space。 auto-placement 本来可以避免这种情况，但如前所述，当只有一行数据时它似乎有一个错误。
Work-around:
故障似乎是专门发生的，因为第一个位置是在 x=0。您可以通过为第一个文件 提供明确的起始 x-coordinate 来解决这个问题。
这适用于 1 行数据文件和作为示例给出的 4 行数据文件。
plot\
newhistogram at 1 "conventional cycle",\
DATA using ():xticlabels(2) notitle lc "#E74C3C", '' using () notitle lc rgb "#3498DB",\
newhistogram "recuperative cycle",\
"" using ():xticlabels(2) title "A_{evap}" lc "#E74C3C", '' using () title "A_{cond}" lc
rgb "#3498DB", '' using () title "A_{rec}" lc rgb "#1ABC9C",\
我正在根据数据文件创建行堆叠直方图。 这是我正在使用的脚本：
set title "Heat exchanger surface at the optimal solution"
set termopt enhanced
set grid
set key top left
#set key off
set xlabel "Working fluid"
set ylabel "A [m^{2}]"
#set xrange[0.0:0.0]
#set yrange[0.0:0.0]
set yrange[0.0:10.0]
set offsets 0.1,0.1,0,0
#set datafile missing '0.000000000000000000e+00'
#set datafile missing '0.000000'
set style data histogram
#set style histogram clustered
set style histogram rowstacked
#set style fill solid border
set style fill solid 1.00 border -1
set boxwidth 0.5
#set xtics ("R124" "R124", "Isobutane" "Isobutane", "R245fa" "R245fa", "Isopentane" "Isopentane", "Cyclopentane" "Cyclopentane")
#set xtics nomirror rotate by -45 scale 0 font ",8"
plot\
newhistogram "conventional cycle",\
"parasub_t3_dtpprec_5.txt" using ():xticlabels(2) notitle lc "#E74C3C", '' using () notitle lc rgb "#3498DB",\
newhistogram "recuperative cycle",\
"parasub_t3_dtpprec_5.txt" using ():xticlabels(2) title "A_{evap}" lc "#E74C3C", '' using () title "A_{cond}" lc rgb "#3498DB", '' using () title "A_{rec}" lc rgb "#1ABC9C",\
只要有多行数据，脚本就可以正常工作。例如下面的数据文件：
#(1) DTsup [oC] (2) T3 [oC] (3) pr [-] (4) phigh [Pa] (5) plow [Pa] (6) nth [-] (7) nthr [-] (8) wnet [J/kg] (9) wp [J/kg] (10) we [J/kg] (11) bwr [-] (12) Toout [K] (13) Tooutr [K] (14) Twout [K] (15) Twoutr [K] (16) mo [kg/s] (17) mor [kg/s] (18) mwf [kg/s] (19) mw [kg/s] (20) mwr [kg/s] (21) qevap [J/kg] (22) qevapr [J/kg] (23) qrec [J/kg] (24) qcond [J/kg] (25) qcondr [J/kg] (26) Aevap [m^2] (27) Aevapr [m^2] (28) Arec [m^2] (29) Acond [m^2] (30) Acondr [m^2] (31) Qin [W] (32) Qinr [W] (33) mbm [kg/s] (34) mbmr [kg/s] (35) Exde [W] (36) Exdp [W] (37) Exdevap [W] (38) Exdevapr [W] (39) Exdrec [W] (40) Exdcond [W] (41) Exdcondr [W] (42) nex [-] (43) nexr [-] (44) nthchp [-] (45) nthchpr [-] (46) nelchp [-] (47) nelchpr [-] (48) nchp [-] (49) nchpr [-] (50) PHR [-] (51) PHRr [-] (52) PESR [-] (53) PESRr [-]
0.000000 100.00 6.615031 722136.079363 109165.948144 0.120395 0.133603 54105.033173 1255.690368 55360.723541 0.022682 323.399196 342.291477 301.256224 300.341368 0.865955 0.833098 1.026809 11.974715 11.980348 449397.650120 404968.415600 44429.234520 395292.616947 350863.382427 1.749529 1.580108 0.905206 4.741577 4.431979 485732.339365 437710.913321 0.030358 0.027357 12646.313088 249.135367 75334.789746 68040.736716 1051.434109 10361.313998 7598.925672 0.797025 0.795329 0.835625 0.823077 0.102937 0.114231 0.938563 0.937308 0.123186 0.138785 0.193811 0.206780
0.000000 125.00 10.950918 1195467.347000 109165.948144 0.143171 0.165337 69590.450251 2224.353135 71814.803386 0.030973 323.636526 351.135647 301.686140 300.350555 0.728765 0.695743 0.798322 9.315172 9.314445 486065.769850 420901.502320 65164.267530 416475.319599 351311.052069 1.717772 1.493149 0.995391 3.798056 3.490943 408459.763072 353699.722503 0.025529 0.022106 12367.695114 342.877062 51440.216065 43942.601168 1342.638004 9868.981536 5917.282287 0.818783 0.819301 0.813988 0.792930 0.122411 0.141363 0.936399 0.934293 0.150384 0.178279 0.215916 0.236295
0.000000 150.00 17.111919 1868038.858437 109165.948144 0.159571 0.190207 82665.881533 3599.317677 86265.199210 0.041724 323.971907 358.988006 302.090891 300.366300 0.654590 0.623571 0.672049 7.826862 7.838158 518050.203910 434609.996396 83440.207514 435384.322377 351944.114863 1.701833 1.434744 1.044041 3.277773 2.973168 366479.289887 307451.983717 0.022905 0.019216 12183.225690 466.601844 38046.705189 30728.594794 1564.632186 9976.733938 4991.692881 0.834443 0.837585 0.798407 0.769303 0.136433 0.162627 0.934841 0.931930 0.170882 0.211395 0.231097 0.257935
0.000000 175.00 25.632899 2798239.736148 109165.948144 0.170657 0.205830 91441.090019 5498.220729 96939.310748 0.056718 324.566507 362.694767 302.260397 300.382724 0.613275 0.584904 0.607556 7.087607 7.087352 535819.088490 444255.015085 91564.073405 444377.998471 352813.925066 1.589821 1.335576 1.040693 2.995781 2.711167 342673.623125 284115.439112 0.021417 0.017757 12237.465845 643.490745 30526.883339 23645.251436 1591.296117 9834.879936 4528.051268 0.844626 0.849901 0.787876 0.754461 0.145911 0.175985 0.933788 0.930446 0.185196 0.233259 0.241029 0.270913
给出这张图：
单行数据情况如下：
#(1) DTsup [oC] (2) T3 [oC] (3) pr [-] (4) phigh [Pa] (5) plow [Pa] (6) nth [-] (7) nthr [-] (8) wnet [J/kg] (9) wp [J/kg] (10) we [J/kg] (11) bwr [-] (12) Toout [K] (13) Tooutr [K] (14) Twout [K] (15) Twoutr [K] (16) mo [kg/s] (17) mor [kg/s] (18) mwf [kg/s] (19) mw [kg/s] (20) mwr [kg/s] (21) qevap [J/kg] (22) qevapr [J/kg] (23) qrec [J/kg] (24) qcond [J/kg] (25) qcondr [J/kg] (26) Aevap [m^2] (27) Aevapr [m^2] (28) Arec [m^2] (29) Acond [m^2] (30) Acondr [m^2] (31) Qin [W] (32) Qinr [W] (33) mbm [kg/s] (34) mbmr [kg/s] (35) Exde [W] (36) Exdp [W] (37) Exdevap [W] (38) Exdevapr [W] (39) Exdrec [W] (40) Exdcond [W] (41) Exdcondr [W] (42) nex [-] (43) nexr [-] (44) nthchp [-] (45) nthchpr [-] (46) nelchp [-] (47) nelchpr [-] (48) nchp [-] (49) nchpr [-] (50) PHR [-] (51) PHRr [-] (52) PESR [-] (53) PESRr [-]
0.000000 100.00 5.341869 2378728.179011 445298.822341 0.112752 0.114041 19161.460322 1801.363568 20962.823891 0.085931 324.451846 326.146202 300.506605 300.412249 0.927877 0.922580 2.899338 14.211155 14.212341 169943.894226 168023.173176 1920.721050 150782.433904 148861.712854 1.530831 1.516876 0.148261 5.350023 5.288725 518657.725517 512795.809645 0.032416 0.032050 14432.854403 1006.224611 85187.593357 84077.690879 91.521847 9284.760286 9108.082145 0.788085 0.787993 0.842886 0.841661 0.096403 0.097505 0.939289 0.939166 0.114372 0.115848 0.186111 0.187420
两列合并为一列，如下图所示：
老实说，我不知道该如何处理。
此外，我想知道是否有一种方法可以使框宽度保持不变，而不管列数如何。
提前致谢。
编辑：感谢 theozh 和 ethan 优雅的解决方案，问题已解决。这种行为似乎是一个错误，因为原始脚本在单行数据文件的情况下特别失败。
这种行为在我看来像是一个错误（或者是我不了解直方图样式的工作原理）。
通常，您可以通过 every ::a::b（检查 help every）将您的数据限制为仅原始数据的一部分。
在您的情况下，只要 b>a，它就会按预期工作。
但是，当您的数据仅包含一行时，即您将其限制为一行，例如a=0 和 b=0 你会得到奇怪的结果。
（到目前为止）我可以分开条形的唯一方法是引入一个虚拟的新直方图。
这会造成很大的差距，这不是很好。所以，我希望有更好的解决方案。
关于boxwidth，你可以设置为绝对值或相对值。检查 help boxwidth.
脚本：
### histogram rowstacked with just one row
reset session
$Data <<EOD
#(1) DTsup [oC] (2) T3 [oC] (3) pr [-] (4) phigh [Pa] (5) plow [Pa] (6) nth [-] (7) nthr [-] (8) wnet [J/kg] (9) wp [J/kg] (10) we [J/kg] (11) bwr [-] (12) Toout [K] (13) Tooutr [K] (14) Twout [K] (15) Twoutr [K] (16) mo [kg/s] (17) mor [kg/s] (18) mwf [kg/s] (19) mw [kg/s] (20) mwr [kg/s] (21) qevap [J/kg] (22) qevapr [J/kg] (23) qrec [J/kg] (24) qcond [J/kg] (25) qcondr [J/kg] (26) Aevap [m^2] (27) Aevapr [m^2] (28) Arec [m^2] (29) Acond [m^2] (30) Acondr [m^2] (31) Qin [W] (32) Qinr [W] (33) mbm [kg/s] (34) mbmr [kg/s] (35) Exde [W] (36) Exdp [W] (37) Exdevap [W] (38) Exdevapr [W] (39) Exdrec [W] (40) Exdcond [W] (41) Exdcondr [W] (42) nex [-] (43) nexr [-] (44) nthchp [-] (45) nthchpr [-] (46) nelchp [-] (47) nelchpr [-] (48) nchp [-] (49) nchpr [-] (50) PHR [-] (51) PHRr [-] (52) PESR [-] (53) PESRr [-]
0.000000 100.00 6.615031 722136.079363 109165.948144 0.120395 0.133603 54105.033173 1255.690368 55360.723541 0.022682 323.399196 342.291477 301.256224 300.341368 0.865955 0.833098 1.026809 11.974715 11.980348 449397.650120 404968.415600 44429.234520 395292.616947 350863.382427 1.749529 1.580108 0.905206 4.741577 4.431979 485732.339365 437710.913321 0.030358 0.027357 12646.313088 249.135367 75334.789746 68040.736716 1051.434109 10361.313998 7598.925672 0.797025 0.795329 0.835625 0.823077 0.102937 0.114231 0.938563 0.937308 0.123186 0.138785 0.193811 0.206780
0.000000 125.00 10.950918 1195467.347000 109165.948144 0.143171 0.165337 69590.450251 2224.353135 71814.803386 0.030973 323.636526 351.135647 301.686140 300.350555 0.728765 0.695743 0.798322 9.315172 9.314445 486065.769850 420901.502320 65164.267530 416475.319599 351311.052069 1.717772 1.493149 0.995391 3.798056 3.490943 408459.763072 353699.722503 0.025529 0.022106 12367.695114 342.877062 51440.216065 43942.601168 1342.638004 9868.981536 5917.282287 0.818783 0.819301 0.813988 0.792930 0.122411 0.141363 0.936399 0.934293 0.150384 0.178279 0.215916 0.236295
0.000000 150.00 17.111919 1868038.858437 109165.948144 0.159571 0.190207 82665.881533 3599.317677 86265.199210 0.041724 323.971907 358.988006 302.090891 300.366300 0.654590 0.623571 0.672049 7.826862 7.838158 518050.203910 434609.996396 83440.207514 435384.322377 351944.114863 1.701833 1.434744 1.044041 3.277773 2.973168 366479.289887 307451.983717 0.022905 0.019216 12183.225690 466.601844 38046.705189 30728.594794 1564.632186 9976.733938 4991.692881 0.834443 0.837585 0.798407 0.769303 0.136433 0.162627 0.934841 0.931930 0.170882 0.211395 0.231097 0.257935
0.000000 175.00 25.632899 2798239.736148 109165.948144 0.170657 0.205830 91441.090019 5498.220729 96939.310748 0.056718 324.566507 362.694767 302.260397 300.382724 0.613275 0.584904 0.607556 7.087607 7.087352 535819.088490 444255.015085 91564.073405 444377.998471 352813.925066 1.589821 1.335576 1.040693 2.995781 2.711167 342673.623125 284115.439112 0.021417 0.017757 12237.465845 643.490745 30526.883339 23645.251436 1591.296117 9834.879936 4528.051268 0.844626 0.849901 0.787876 0.754461 0.145911 0.175985 0.933788 0.930446 0.185196 0.233259 0.241029 0.270913
EOD
set title "Heat exchanger surface at the optimal solution"
set termopt enhanced
set grid
set xlabel "Working fluid"
set ylabel "A [m^{2}]"
set yrange[0.0:10.0]
set offsets 0.1,0.1,0,0
set key top left noautotitle
set style data histogram
set style histogram rowstacked
set style fill solid 1.00 border -1
set boxwidth 0.5
a=0
b=0
plot\
newhistogram "conventional cycle", \
$Data u ():xtic(2) every ::a::b lc rgb "#E74C3C" , \
'' u () every ::a::b lc rgb "#3498DB", \
newhistogram "", '' u (0), \
newhistogram "recuperative cycle", \
'' u ():xtic(2) every ::a::b title "A_{evap}" lc rgb "#E74C3C", \
'' u () every ::a::b title "A_{cond}" lc rgb "#3498DB", \
'' u () every ::a::b title "A_{rec}" lc rgb "#1ABC9C"
### end of script
结果：
Panus Cladus> In the case of single row data like the following, the two columns collapse into one.
theozh> The only way (so far) I could separate the bars is introducing a dummy newhistogram. This creates a large gap which is not so nice. So, I hope there is a much better solution.
newhistogram 绘图元素采用可选关键字 at <x-coordinate>。您可以修改您的 plot 命令，为每个系列的集群堆栈提供起始 x。例如，假设您在一个图中绘制许多这样的数据文件；图中有不同数量的线，但您知道最大值为 10。您可以构建一个 plot 命令
file(i) = sprintf("File%d.dat",i)
plot for [i=1:N] \
newhistogram at i*10 title file(i), \
file(i) using (), '' using (), ...
一个down-side的解决方案是你可能不希望在短数据文件生成的簇之后额外space。 auto-placement 本来可以避免这种情况，但如前所述，当只有一行数据时它似乎有一个错误。
Work-around:
故障似乎是专门发生的，因为第一个位置是在 x=0。您可以通过为第一个文件 提供明确的起始 x-coordinate 来解决这个问题。 这适用于 1 行数据文件和作为示例给出的 4 行数据文件。
plot\
newhistogram at 1 "conventional cycle",\
DATA using ():xticlabels(2) notitle lc "#E74C3C", '' using () notitle lc rgb "#3498DB",\
newhistogram "recuperative cycle",\
"" using ():xticlabels(2) title "A_{evap}" lc "#E74C3C", '' using () title "A_{cond}" lc
rgb "#3498DB", '' using () title "A_{rec}" lc rgb "#1ABC9C",\