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3d histogram without external programs
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I have found the answer from @marmot in the following post, which looks very nice and doesn't need any external programs. But I have some problem to adjust the z axis to my data.
3-dimensional histogram in pgfplots
In this example the z values of my data are not between 0 and 100, but between 0 and 1000.
I don't get the part where it says "here one has to cheat". What do I need to adjust for z values not between 0 and 100?
documentclass[tikz,border=3.14pt]{standalone}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.15}
begin{document}
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=8,
ymin=-10,ymax=8,
zmin=0,zmax=1000,
enlargelimits=upper,
ztick={0,500,1000},
zticklabels={0,500,1000}, % here one has to "cheat"
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
]
addplot3 [visualization depends on={z as myz},
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter,only marks,
mark=cube*,mark size=5]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
end{tikzpicture}
end{document}
Result:
EDIT:
Now after Marmot presented a really nice solution for plotting a 3d histogram, I am asking if it's possible to make it even more automatic, by also computing the depth and width of the bars?
ADDITION:
I have some data sets with a very high range in x and y. When I change the cube size like suggested in x and y direction I get very small bars (see first image below). My data is a classification, where the range is split up in 64 or 100 classes. So one bar needs to be as big as the range divided by 64 or 100 in x and y direction. The solution marmot suggested works fine, but in this specific case the cube sizes are to small. It says 0,00192pt in x and 0,00272pt in y direction. Right now I am calculating the cube size by hand. I take the values given by marmot and multiply them with my range and then divide them with my classes. For x direction: 0,00192pt*65000/64=1,95pt and for y: 0,00272pt*65000/64=2,7625pt. (Result in second image)
How can I adapt this to the code?
tikz-pgf pgfplots
asked Jun 6 '18 at 8:04
sporcsporc
493214
add a comment |
I have found the answer from @marmot in the following post, which looks very nice and doesn't need any external programs. But I have some problem to adjust the z axis to my data.
3-dimensional histogram in pgfplots
In this example the z values of my data are not between 0 and 100, but between 0 and 1000.
I don't get the part where it says "here one has to cheat". What do I need to adjust for z values not between 0 and 100?
documentclass[tikz,border=3.14pt]{standalone}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.15}
begin{document}
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=8,
ymin=-10,ymax=8,
zmin=0,zmax=1000,
enlargelimits=upper,
ztick={0,500,1000},
zticklabels={0,500,1000}, % here one has to "cheat"
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
]
addplot3 [visualization depends on={z as myz},
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter,only marks,
mark=cube*,mark size=5]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
end{tikzpicture}
end{document}
Result:
EDIT:
Now after Marmot presented a really nice solution for plotting a 3d histogram, I am asking if it's possible to make it even more automatic, by also computing the depth and width of the bars?
ADDITION:
I have some data sets with a very high range in x and y. When I change the cube size like suggested in x and y direction I get very small bars (see first image below). My data is a classification, where the range is split up in 64 or 100 classes. So one bar needs to be as big as the range divided by 64 or 100 in x and y direction. The solution marmot suggested works fine, but in this specific case the cube sizes are to small. It says 0,00192pt in x and 0,00272pt in y direction. Right now I am calculating the cube size by hand. I take the values given by marmot and multiply them with my range and then divide them with my classes. For x direction: 0,00192pt*65000/64=1,95pt and for y: 0,00272pt*65000/64=2,7625pt. (Result in second image)
How can I adapt this to the code?
tikz-pgf pgfplots
asked Jun 6 '18 at 8:04
sporcsporc
493214
add a comment |
I have found the answer from @marmot in the following post, which looks very nice and doesn't need any external programs. But I have some problem to adjust the z axis to my data.
3-dimensional histogram in pgfplots
In this example the z values of my data are not between 0 and 100, but between 0 and 1000.
I don't get the part where it says "here one has to cheat". What do I need to adjust for z values not between 0 and 100?
documentclass[tikz,border=3.14pt]{standalone}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.15}
begin{document}
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=8,
ymin=-10,ymax=8,
zmin=0,zmax=1000,
enlargelimits=upper,
ztick={0,500,1000},
zticklabels={0,500,1000}, % here one has to "cheat"
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
]
addplot3 [visualization depends on={z as myz},
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter,only marks,
mark=cube*,mark size=5]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
end{tikzpicture}
end{document}
Result:
EDIT:
Now after Marmot presented a really nice solution for plotting a 3d histogram, I am asking if it's possible to make it even more automatic, by also computing the depth and width of the bars?
ADDITION:
I have some data sets with a very high range in x and y. When I change the cube size like suggested in x and y direction I get very small bars (see first image below). My data is a classification, where the range is split up in 64 or 100 classes. So one bar needs to be as big as the range divided by 64 or 100 in x and y direction. The solution marmot suggested works fine, but in this specific case the cube sizes are to small. It says 0,00192pt in x and 0,00272pt in y direction. Right now I am calculating the cube size by hand. I take the values given by marmot and multiply them with my range and then divide them with my classes. For x direction: 0,00192pt*65000/64=1,95pt and for y: 0,00272pt*65000/64=2,7625pt. (Result in second image)
How can I adapt this to the code?
tikz-pgf pgfplots
asked Jun 6 '18 at 8:04
sporcsporc
493214
I have found the answer from @marmot in the following post, which looks very nice and doesn't need any external programs. But I have some problem to adjust the z axis to my data.
3-dimensional histogram in pgfplots
In this example the z values of my data are not between 0 and 100, but between 0 and 1000.
I don't get the part where it says "here one has to cheat". What do I need to adjust for z values not between 0 and 100?
documentclass[tikz,border=3.14pt]{standalone}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.15}
begin{document}
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=8,
ymin=-10,ymax=8,
zmin=0,zmax=1000,
enlargelimits=upper,
ztick={0,500,1000},
zticklabels={0,500,1000}, % here one has to "cheat"
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
]
addplot3 [visualization depends on={z as myz},
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter,only marks,
mark=cube*,mark size=5]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
end{tikzpicture}
end{document}
Result:
EDIT:
Now after Marmot presented a really nice solution for plotting a 3d histogram, I am asking if it's possible to make it even more automatic, by also computing the depth and width of the bars?
ADDITION:
I have some data sets with a very high range in x and y. When I change the cube size like suggested in x and y direction I get very small bars (see first image below). My data is a classification, where the range is split up in 64 or 100 classes. So one bar needs to be as big as the range divided by 64 or 100 in x and y direction. The solution marmot suggested works fine, but in this specific case the cube sizes are to small. It says 0,00192pt in x and 0,00272pt in y direction. Right now I am calculating the cube size by hand. I take the values given by marmot and multiply them with my range and then divide them with my classes. For x direction: 0,00192pt*65000/64=1,95pt and for y: 0,00272pt*65000/64=2,7625pt. (Result in second image)
How can I adapt this to the code?
tikz-pgf pgfplots
tikz-pgf pgfplots
asked Jun 6 '18 at 8:04
sporcsporc
493214
asked Jun 6 '18 at 8:04
sporcsporc
493214
edited Jul 3 '18 at 7:31
sporc
asked Jun 6 '18 at 8:04
sporcsporc
493214
asked Jun 6 '18 at 8:04
sporcsporc
493214
asked Jun 6 '18 at 8:04
sporcsporc
493214
493214
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
You also need to adjust the height in that case. Note that you also draw some of the bars at the same x and y values. The current version of this trick doesn't support this. Before fixing this I would like to know if you really mean to draw them at the same x-y positions. UPDATE: I added an improved sort. Have a guess from whom I stole it. (Hint: his last name starts with "F" and ends with "euersänger";-) ANOTHER UPDATE: I made the thing more automatic. Due to the usual expansion issues, I could not make the conversion fully automatic, but now at least it will tell you what to put.
documentclass[tikz,border=3.14pt]{standalone}
usetikzlibrary{calc}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.16}
% from https://tex.stackexchange.com/a/102770/121799
defpgfplotsinvokeiflessthan#1#2#3#4{%
pgfkeysvalueof{/pgfplots/iflessthan/.@cmd}{#1}{#2}{#3}{#4}pgfeov
}%
defpgfplotsmulticmpthree#1#2#3#4#5#6do#7#8{%
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#1}{#4}{%
% first key <:
#7%
}{%
pgfplotsinvokeiflessthan{#4}{#1}{%
% first key >:
#8%
}{%
% first key ==:
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#2}{#5}{%
% second key <
#7%
}{%
pgfplotsinvokeiflessthan{#5}{#2}{%
% second key >
#8%
}{%
% second key ==
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#3}{#6}{%
% third key <
#7%
}{%
% third key >=
#8%
}%
}%
}%
}%
}%
}%
begin{document}
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
%pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
pgfplotstablesort[create on use/sortkey/.style={
create col/assign/.code={%
edefentry{{thisrow{x}}{thisrow{y}}{thisrow{myvalue}}}%
pgfkeyslet{/pgfplots/table/create col/next content}entry
}
},
sort key=sortkey,
sort cmp={%
iflessthan/.code args={#1#2#3#4}{%
edeftemp{#1#2}%
expandafterpgfplotsmulticmpthreetempdo{#3}{#4}%
},
},
sort,
columns/Mtx/.style={string type},
columns/Kind/.style={string type},]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=9,
ymin=-10,ymax=8,
zmin=0,zmax=2000,
enlargelimits=upper,
ztick={0,1000,2000},
zticklabels={0,500,1000}, % here one has to "cheat"
% meaning that one has to put labels which are the actual value
% divided by 2. This is because the bars will be centered at these
% values
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
execute at begin plot={}
]
path let p1=($(axis cs:0,0,1)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{conv}{2*y1}
typeout{Kindlyspacespace considerspace settingspace thespace
prefactorspace ofspace zspace tospace conv}};
addplot3 [visualization depends on={
0.09952*z as myz}, % you'll get told how to adjust the prefactor
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter,only marks,
mark=cube*,mark size=5,opacity=1]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={1*thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
end{tikzpicture}
end{document}
ADDENDUM: In this version, the dimension for "full size" bars are computed, i.e. the x and y dimensions to make the bar fill out one unit in each direction. It also checks if the user already has put the correct z scale. It computes the correct scale factor, and asks you to recompile if necessary.
documentclass[tikz,border=3.14pt]{standalone}
usetikzlibrary{calc}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.16}
% from https://tex.stackexchange.com/a/102770/121799
defpgfplotsinvokeiflessthan#1#2#3#4{%
pgfkeysvalueof{/pgfplots/iflessthan/.@cmd}{#1}{#2}{#3}{#4}pgfeov
}%
defpgfplotsmulticmpthree#1#2#3#4#5#6do#7#8{%
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#1}{#4}{%
% first key <:
#7%
}{%
pgfplotsinvokeiflessthan{#4}{#1}{%
% first key >:
#8%
}{%
% first key ==:
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#2}{#5}{%
% second key <
#7%
}{%
pgfplotsinvokeiflessthan{#5}{#2}{%
% second key >
#8%
}{%
% second key ==
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#3}{#6}{%
% third key <
#7%
}{%
% third key >=
#8%
}%
}%
}%
}%
}%
}%
begin{document}
ifdefinedgconv
else
pgfmathsetmacro{gconv}{0.1}
fi
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
%pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
pgfplotstablesort[create on use/sortkey/.style={
create col/assign/.code={%
edefentry{{thisrow{x}}{thisrow{y}}{thisrow{myvalue}}}%
pgfkeyslet{/pgfplots/table/create col/next content}entry
}
},
sort key=sortkey,
sort cmp={%
iflessthan/.code args={#1#2#3#4}{%
edeftemp{#1#2}%
expandafterpgfplotsmulticmpthreetempdo{#3}{#4}%
},
},
sort,
columns/Mtx/.style={string type},
columns/Kind/.style={string type},]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=9,
ymin=-10,ymax=8,
zmin=0,zmax=2000,
enlargelimits=upper,
ztick={0,1000,2000},
zticklabels={0,500,1000}, % here one has to "cheat"
% meaning that one has to put labels which are the actual value
% divided by 2. This is because the bars will be centered at these
% values
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
execute at begin plot={}
]
path let p1=($(axis cs:0,0,1)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{conv}{2*y1}
ifxgconvconv
else
xdefgconv{conv}
typeout{Pleasespace recompilespace thespace file!}
fi
};
path let p1=($(axis cs:1,0,0)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{convx}{veclen(x1,y1)}
typeout{Onespace unitspace inspace xspace
directionspace isspaceconvx pt}
};
path let p1=($(axis cs:0,1,0)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}
typeout{Onespace unitspace inspace yspace
directionspace isspaceconvy pt}
};
addplot3 [visualization depends on={
gconv*z as myz}, % you may have to recompile to get the prefactor right
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter/@pre marker code/.append style={/pgfplots/cube/size x=11.66135pt},%
scatter/@pre marker code/.append style={/pgfplots/cube/size y=9.10493pt},%
scatter,only marks,
mark=cube*,mark size=5,opacity=1]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={1*thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
makeatletter
immediatewrite@mainaux{xdefstringgconv{gconv}relax}
makeatother
end{tikzpicture}
end{document}
answered Jun 6 '18 at 13:53
marmotmarmot
115k5145276
I really appreciate your efforts. Thank you! When you change the angle of the view, for example toview={50}{70}something get's messed up with the sorting, the bars are overlapping, the same happens when you setx dir=reversed. Maybe there is a solution for it by changing the sorting algorithm. One little addition: You could add "pt" at the end of the typeout for the depth and width.
– sporc
Jun 12 '18 at 7:35
@sporc Yes, of course, if you change the view, it won't work any more. And I am doing the sort independently of the view. At this point, I don't see any easy way to fix that. But thanks for the remark onpt, I'll change this right away.
– marmot
Jun 12 '18 at 14:45
Could you please explain how you calculate the x and y dimensions. As far as I understand you take the length from (1,0,0) to (0,0,0) for x and divide it by xmax? I am asking beacuase I want to adjust the code so that it takes the length (1,0,0) to (0,0,0) and divides it by a fix value, like 100. So that 100 bars would fit along the axis
– sporc
Jun 28 '18 at 11:22
@sporc Yes, that's precisely how I compute it.
– marmot
Jun 28 '18 at 14:18
I can't see where you divide. Isn't this just the length?pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}
– sporc
Jun 29 '18 at 6:44
|
show 8 more comments
Your Answer
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You also need to adjust the height in that case. Note that you also draw some of the bars at the same x and y values. The current version of this trick doesn't support this. Before fixing this I would like to know if you really mean to draw them at the same x-y positions. UPDATE: I added an improved sort. Have a guess from whom I stole it. (Hint: his last name starts with "F" and ends with "euersänger";-) ANOTHER UPDATE: I made the thing more automatic. Due to the usual expansion issues, I could not make the conversion fully automatic, but now at least it will tell you what to put.
documentclass[tikz,border=3.14pt]{standalone}
usetikzlibrary{calc}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.16}
% from https://tex.stackexchange.com/a/102770/121799
defpgfplotsinvokeiflessthan#1#2#3#4{%
pgfkeysvalueof{/pgfplots/iflessthan/.@cmd}{#1}{#2}{#3}{#4}pgfeov
}%
defpgfplotsmulticmpthree#1#2#3#4#5#6do#7#8{%
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#1}{#4}{%
% first key <:
#7%
}{%
pgfplotsinvokeiflessthan{#4}{#1}{%
% first key >:
#8%
}{%
% first key ==:
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#2}{#5}{%
% second key <
#7%
}{%
pgfplotsinvokeiflessthan{#5}{#2}{%
% second key >
#8%
}{%
% second key ==
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#3}{#6}{%
% third key <
#7%
}{%
% third key >=
#8%
}%
}%
}%
}%
}%
}%
begin{document}
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
%pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
pgfplotstablesort[create on use/sortkey/.style={
create col/assign/.code={%
edefentry{{thisrow{x}}{thisrow{y}}{thisrow{myvalue}}}%
pgfkeyslet{/pgfplots/table/create col/next content}entry
}
},
sort key=sortkey,
sort cmp={%
iflessthan/.code args={#1#2#3#4}{%
edeftemp{#1#2}%
expandafterpgfplotsmulticmpthreetempdo{#3}{#4}%
},
},
sort,
columns/Mtx/.style={string type},
columns/Kind/.style={string type},]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=9,
ymin=-10,ymax=8,
zmin=0,zmax=2000,
enlargelimits=upper,
ztick={0,1000,2000},
zticklabels={0,500,1000}, % here one has to "cheat"
% meaning that one has to put labels which are the actual value
% divided by 2. This is because the bars will be centered at these
% values
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
execute at begin plot={}
]
path let p1=($(axis cs:0,0,1)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{conv}{2*y1}
typeout{Kindlyspacespace considerspace settingspace thespace
prefactorspace ofspace zspace tospace conv}};
addplot3 [visualization depends on={
0.09952*z as myz}, % you'll get told how to adjust the prefactor
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter,only marks,
mark=cube*,mark size=5,opacity=1]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={1*thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
end{tikzpicture}
end{document}
ADDENDUM: In this version, the dimension for "full size" bars are computed, i.e. the x and y dimensions to make the bar fill out one unit in each direction. It also checks if the user already has put the correct z scale. It computes the correct scale factor, and asks you to recompile if necessary.
documentclass[tikz,border=3.14pt]{standalone}
usetikzlibrary{calc}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.16}
% from https://tex.stackexchange.com/a/102770/121799
defpgfplotsinvokeiflessthan#1#2#3#4{%
pgfkeysvalueof{/pgfplots/iflessthan/.@cmd}{#1}{#2}{#3}{#4}pgfeov
}%
defpgfplotsmulticmpthree#1#2#3#4#5#6do#7#8{%
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#1}{#4}{%
% first key <:
#7%
}{%
pgfplotsinvokeiflessthan{#4}{#1}{%
% first key >:
#8%
}{%
% first key ==:
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#2}{#5}{%
% second key <
#7%
}{%
pgfplotsinvokeiflessthan{#5}{#2}{%
% second key >
#8%
}{%
% second key ==
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#3}{#6}{%
% third key <
#7%
}{%
% third key >=
#8%
}%
}%
}%
}%
}%
}%
begin{document}
ifdefinedgconv
else
pgfmathsetmacro{gconv}{0.1}
fi
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
%pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
pgfplotstablesort[create on use/sortkey/.style={
create col/assign/.code={%
edefentry{{thisrow{x}}{thisrow{y}}{thisrow{myvalue}}}%
pgfkeyslet{/pgfplots/table/create col/next content}entry
}
},
sort key=sortkey,
sort cmp={%
iflessthan/.code args={#1#2#3#4}{%
edeftemp{#1#2}%
expandafterpgfplotsmulticmpthreetempdo{#3}{#4}%
},
},
sort,
columns/Mtx/.style={string type},
columns/Kind/.style={string type},]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=9,
ymin=-10,ymax=8,
zmin=0,zmax=2000,
enlargelimits=upper,
ztick={0,1000,2000},
zticklabels={0,500,1000}, % here one has to "cheat"
% meaning that one has to put labels which are the actual value
% divided by 2. This is because the bars will be centered at these
% values
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
execute at begin plot={}
]
path let p1=($(axis cs:0,0,1)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{conv}{2*y1}
ifxgconvconv
else
xdefgconv{conv}
typeout{Pleasespace recompilespace thespace file!}
fi
};
path let p1=($(axis cs:1,0,0)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{convx}{veclen(x1,y1)}
typeout{Onespace unitspace inspace xspace
directionspace isspaceconvx pt}
};
path let p1=($(axis cs:0,1,0)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}
typeout{Onespace unitspace inspace yspace
directionspace isspaceconvy pt}
};
addplot3 [visualization depends on={
gconv*z as myz}, % you may have to recompile to get the prefactor right
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter/@pre marker code/.append style={/pgfplots/cube/size x=11.66135pt},%
scatter/@pre marker code/.append style={/pgfplots/cube/size y=9.10493pt},%
scatter,only marks,
mark=cube*,mark size=5,opacity=1]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={1*thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
makeatletter
immediatewrite@mainaux{xdefstringgconv{gconv}relax}
makeatother
end{tikzpicture}
end{document}
answered Jun 6 '18 at 13:53
marmotmarmot
115k5145276
I really appreciate your efforts. Thank you! When you change the angle of the view, for example toview={50}{70}something get's messed up with the sorting, the bars are overlapping, the same happens when you setx dir=reversed. Maybe there is a solution for it by changing the sorting algorithm. One little addition: You could add "pt" at the end of the typeout for the depth and width.
– sporc
Jun 12 '18 at 7:35
@sporc Yes, of course, if you change the view, it won't work any more. And I am doing the sort independently of the view. At this point, I don't see any easy way to fix that. But thanks for the remark onpt, I'll change this right away.
– marmot
Jun 12 '18 at 14:45
Could you please explain how you calculate the x and y dimensions. As far as I understand you take the length from (1,0,0) to (0,0,0) for x and divide it by xmax? I am asking beacuase I want to adjust the code so that it takes the length (1,0,0) to (0,0,0) and divides it by a fix value, like 100. So that 100 bars would fit along the axis
– sporc
Jun 28 '18 at 11:22
@sporc Yes, that's precisely how I compute it.
– marmot
Jun 28 '18 at 14:18
I can't see where you divide. Isn't this just the length?pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}
– sporc
Jun 29 '18 at 6:44
|
show 8 more comments
You also need to adjust the height in that case. Note that you also draw some of the bars at the same x and y values. The current version of this trick doesn't support this. Before fixing this I would like to know if you really mean to draw them at the same x-y positions. UPDATE: I added an improved sort. Have a guess from whom I stole it. (Hint: his last name starts with "F" and ends with "euersänger";-) ANOTHER UPDATE: I made the thing more automatic. Due to the usual expansion issues, I could not make the conversion fully automatic, but now at least it will tell you what to put.
documentclass[tikz,border=3.14pt]{standalone}
usetikzlibrary{calc}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.16}
% from https://tex.stackexchange.com/a/102770/121799
defpgfplotsinvokeiflessthan#1#2#3#4{%
pgfkeysvalueof{/pgfplots/iflessthan/.@cmd}{#1}{#2}{#3}{#4}pgfeov
}%
defpgfplotsmulticmpthree#1#2#3#4#5#6do#7#8{%
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#1}{#4}{%
% first key <:
#7%
}{%
pgfplotsinvokeiflessthan{#4}{#1}{%
% first key >:
#8%
}{%
% first key ==:
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#2}{#5}{%
% second key <
#7%
}{%
pgfplotsinvokeiflessthan{#5}{#2}{%
% second key >
#8%
}{%
% second key ==
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#3}{#6}{%
% third key <
#7%
}{%
% third key >=
#8%
}%
}%
}%
}%
}%
}%
begin{document}
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
%pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
pgfplotstablesort[create on use/sortkey/.style={
create col/assign/.code={%
edefentry{{thisrow{x}}{thisrow{y}}{thisrow{myvalue}}}%
pgfkeyslet{/pgfplots/table/create col/next content}entry
}
},
sort key=sortkey,
sort cmp={%
iflessthan/.code args={#1#2#3#4}{%
edeftemp{#1#2}%
expandafterpgfplotsmulticmpthreetempdo{#3}{#4}%
},
},
sort,
columns/Mtx/.style={string type},
columns/Kind/.style={string type},]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=9,
ymin=-10,ymax=8,
zmin=0,zmax=2000,
enlargelimits=upper,
ztick={0,1000,2000},
zticklabels={0,500,1000}, % here one has to "cheat"
% meaning that one has to put labels which are the actual value
% divided by 2. This is because the bars will be centered at these
% values
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
execute at begin plot={}
]
path let p1=($(axis cs:0,0,1)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{conv}{2*y1}
typeout{Kindlyspacespace considerspace settingspace thespace
prefactorspace ofspace zspace tospace conv}};
addplot3 [visualization depends on={
0.09952*z as myz}, % you'll get told how to adjust the prefactor
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter,only marks,
mark=cube*,mark size=5,opacity=1]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={1*thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
end{tikzpicture}
end{document}
ADDENDUM: In this version, the dimension for "full size" bars are computed, i.e. the x and y dimensions to make the bar fill out one unit in each direction. It also checks if the user already has put the correct z scale. It computes the correct scale factor, and asks you to recompile if necessary.
documentclass[tikz,border=3.14pt]{standalone}
usetikzlibrary{calc}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.16}
% from https://tex.stackexchange.com/a/102770/121799
defpgfplotsinvokeiflessthan#1#2#3#4{%
pgfkeysvalueof{/pgfplots/iflessthan/.@cmd}{#1}{#2}{#3}{#4}pgfeov
}%
defpgfplotsmulticmpthree#1#2#3#4#5#6do#7#8{%
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#1}{#4}{%
% first key <:
#7%
}{%
pgfplotsinvokeiflessthan{#4}{#1}{%
% first key >:
#8%
}{%
% first key ==:
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#2}{#5}{%
% second key <
#7%
}{%
pgfplotsinvokeiflessthan{#5}{#2}{%
% second key >
#8%
}{%
% second key ==
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#3}{#6}{%
% third key <
#7%
}{%
% third key >=
#8%
}%
}%
}%
}%
}%
}%
begin{document}
ifdefinedgconv
else
pgfmathsetmacro{gconv}{0.1}
fi
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
%pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
pgfplotstablesort[create on use/sortkey/.style={
create col/assign/.code={%
edefentry{{thisrow{x}}{thisrow{y}}{thisrow{myvalue}}}%
pgfkeyslet{/pgfplots/table/create col/next content}entry
}
},
sort key=sortkey,
sort cmp={%
iflessthan/.code args={#1#2#3#4}{%
edeftemp{#1#2}%
expandafterpgfplotsmulticmpthreetempdo{#3}{#4}%
},
},
sort,
columns/Mtx/.style={string type},
columns/Kind/.style={string type},]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=9,
ymin=-10,ymax=8,
zmin=0,zmax=2000,
enlargelimits=upper,
ztick={0,1000,2000},
zticklabels={0,500,1000}, % here one has to "cheat"
% meaning that one has to put labels which are the actual value
% divided by 2. This is because the bars will be centered at these
% values
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
execute at begin plot={}
]
path let p1=($(axis cs:0,0,1)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{conv}{2*y1}
ifxgconvconv
else
xdefgconv{conv}
typeout{Pleasespace recompilespace thespace file!}
fi
};
path let p1=($(axis cs:1,0,0)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{convx}{veclen(x1,y1)}
typeout{Onespace unitspace inspace xspace
directionspace isspaceconvx pt}
};
path let p1=($(axis cs:0,1,0)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}
typeout{Onespace unitspace inspace yspace
directionspace isspaceconvy pt}
};
addplot3 [visualization depends on={
gconv*z as myz}, % you may have to recompile to get the prefactor right
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter/@pre marker code/.append style={/pgfplots/cube/size x=11.66135pt},%
scatter/@pre marker code/.append style={/pgfplots/cube/size y=9.10493pt},%
scatter,only marks,
mark=cube*,mark size=5,opacity=1]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={1*thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
makeatletter
immediatewrite@mainaux{xdefstringgconv{gconv}relax}
makeatother
end{tikzpicture}
end{document}
answered Jun 6 '18 at 13:53
marmotmarmot
115k5145276
I really appreciate your efforts. Thank you! When you change the angle of the view, for example toview={50}{70}something get's messed up with the sorting, the bars are overlapping, the same happens when you setx dir=reversed. Maybe there is a solution for it by changing the sorting algorithm. One little addition: You could add "pt" at the end of the typeout for the depth and width.
– sporc
Jun 12 '18 at 7:35
@sporc Yes, of course, if you change the view, it won't work any more. And I am doing the sort independently of the view. At this point, I don't see any easy way to fix that. But thanks for the remark onpt, I'll change this right away.
– marmot
Jun 12 '18 at 14:45
Could you please explain how you calculate the x and y dimensions. As far as I understand you take the length from (1,0,0) to (0,0,0) for x and divide it by xmax? I am asking beacuase I want to adjust the code so that it takes the length (1,0,0) to (0,0,0) and divides it by a fix value, like 100. So that 100 bars would fit along the axis
– sporc
Jun 28 '18 at 11:22
@sporc Yes, that's precisely how I compute it.
– marmot
Jun 28 '18 at 14:18
I can't see where you divide. Isn't this just the length?pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}
– sporc
Jun 29 '18 at 6:44
|
show 8 more comments
You also need to adjust the height in that case. Note that you also draw some of the bars at the same x and y values. The current version of this trick doesn't support this. Before fixing this I would like to know if you really mean to draw them at the same x-y positions. UPDATE: I added an improved sort. Have a guess from whom I stole it. (Hint: his last name starts with "F" and ends with "euersänger";-) ANOTHER UPDATE: I made the thing more automatic. Due to the usual expansion issues, I could not make the conversion fully automatic, but now at least it will tell you what to put.
documentclass[tikz,border=3.14pt]{standalone}
usetikzlibrary{calc}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.16}
% from https://tex.stackexchange.com/a/102770/121799
defpgfplotsinvokeiflessthan#1#2#3#4{%
pgfkeysvalueof{/pgfplots/iflessthan/.@cmd}{#1}{#2}{#3}{#4}pgfeov
}%
defpgfplotsmulticmpthree#1#2#3#4#5#6do#7#8{%
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#1}{#4}{%
% first key <:
#7%
}{%
pgfplotsinvokeiflessthan{#4}{#1}{%
% first key >:
#8%
}{%
% first key ==:
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#2}{#5}{%
% second key <
#7%
}{%
pgfplotsinvokeiflessthan{#5}{#2}{%
% second key >
#8%
}{%
% second key ==
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#3}{#6}{%
% third key <
#7%
}{%
% third key >=
#8%
}%
}%
}%
}%
}%
}%
begin{document}
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
%pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
pgfplotstablesort[create on use/sortkey/.style={
create col/assign/.code={%
edefentry{{thisrow{x}}{thisrow{y}}{thisrow{myvalue}}}%
pgfkeyslet{/pgfplots/table/create col/next content}entry
}
},
sort key=sortkey,
sort cmp={%
iflessthan/.code args={#1#2#3#4}{%
edeftemp{#1#2}%
expandafterpgfplotsmulticmpthreetempdo{#3}{#4}%
},
},
sort,
columns/Mtx/.style={string type},
columns/Kind/.style={string type},]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=9,
ymin=-10,ymax=8,
zmin=0,zmax=2000,
enlargelimits=upper,
ztick={0,1000,2000},
zticklabels={0,500,1000}, % here one has to "cheat"
% meaning that one has to put labels which are the actual value
% divided by 2. This is because the bars will be centered at these
% values
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
execute at begin plot={}
]
path let p1=($(axis cs:0,0,1)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{conv}{2*y1}
typeout{Kindlyspacespace considerspace settingspace thespace
prefactorspace ofspace zspace tospace conv}};
addplot3 [visualization depends on={
0.09952*z as myz}, % you'll get told how to adjust the prefactor
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter,only marks,
mark=cube*,mark size=5,opacity=1]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={1*thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
end{tikzpicture}
end{document}
ADDENDUM: In this version, the dimension for "full size" bars are computed, i.e. the x and y dimensions to make the bar fill out one unit in each direction. It also checks if the user already has put the correct z scale. It computes the correct scale factor, and asks you to recompile if necessary.
documentclass[tikz,border=3.14pt]{standalone}
usetikzlibrary{calc}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.16}
% from https://tex.stackexchange.com/a/102770/121799
defpgfplotsinvokeiflessthan#1#2#3#4{%
pgfkeysvalueof{/pgfplots/iflessthan/.@cmd}{#1}{#2}{#3}{#4}pgfeov
}%
defpgfplotsmulticmpthree#1#2#3#4#5#6do#7#8{%
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#1}{#4}{%
% first key <:
#7%
}{%
pgfplotsinvokeiflessthan{#4}{#1}{%
% first key >:
#8%
}{%
% first key ==:
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#2}{#5}{%
% second key <
#7%
}{%
pgfplotsinvokeiflessthan{#5}{#2}{%
% second key >
#8%
}{%
% second key ==
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#3}{#6}{%
% third key <
#7%
}{%
% third key >=
#8%
}%
}%
}%
}%
}%
}%
begin{document}
ifdefinedgconv
else
pgfmathsetmacro{gconv}{0.1}
fi
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
%pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
pgfplotstablesort[create on use/sortkey/.style={
create col/assign/.code={%
edefentry{{thisrow{x}}{thisrow{y}}{thisrow{myvalue}}}%
pgfkeyslet{/pgfplots/table/create col/next content}entry
}
},
sort key=sortkey,
sort cmp={%
iflessthan/.code args={#1#2#3#4}{%
edeftemp{#1#2}%
expandafterpgfplotsmulticmpthreetempdo{#3}{#4}%
},
},
sort,
columns/Mtx/.style={string type},
columns/Kind/.style={string type},]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=9,
ymin=-10,ymax=8,
zmin=0,zmax=2000,
enlargelimits=upper,
ztick={0,1000,2000},
zticklabels={0,500,1000}, % here one has to "cheat"
% meaning that one has to put labels which are the actual value
% divided by 2. This is because the bars will be centered at these
% values
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
execute at begin plot={}
]
path let p1=($(axis cs:0,0,1)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{conv}{2*y1}
ifxgconvconv
else
xdefgconv{conv}
typeout{Pleasespace recompilespace thespace file!}
fi
};
path let p1=($(axis cs:1,0,0)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{convx}{veclen(x1,y1)}
typeout{Onespace unitspace inspace xspace
directionspace isspaceconvx pt}
};
path let p1=($(axis cs:0,1,0)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}
typeout{Onespace unitspace inspace yspace
directionspace isspaceconvy pt}
};
addplot3 [visualization depends on={
gconv*z as myz}, % you may have to recompile to get the prefactor right
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter/@pre marker code/.append style={/pgfplots/cube/size x=11.66135pt},%
scatter/@pre marker code/.append style={/pgfplots/cube/size y=9.10493pt},%
scatter,only marks,
mark=cube*,mark size=5,opacity=1]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={1*thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
makeatletter
immediatewrite@mainaux{xdefstringgconv{gconv}relax}
makeatother
end{tikzpicture}
end{document}
answered Jun 6 '18 at 13:53
marmotmarmot
115k5145276
You also need to adjust the height in that case. Note that you also draw some of the bars at the same x and y values. The current version of this trick doesn't support this. Before fixing this I would like to know if you really mean to draw them at the same x-y positions. UPDATE: I added an improved sort. Have a guess from whom I stole it. (Hint: his last name starts with "F" and ends with "euersänger";-) ANOTHER UPDATE: I made the thing more automatic. Due to the usual expansion issues, I could not make the conversion fully automatic, but now at least it will tell you what to put.
documentclass[tikz,border=3.14pt]{standalone}
usetikzlibrary{calc}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.16}
% from https://tex.stackexchange.com/a/102770/121799
defpgfplotsinvokeiflessthan#1#2#3#4{%
pgfkeysvalueof{/pgfplots/iflessthan/.@cmd}{#1}{#2}{#3}{#4}pgfeov
}%
defpgfplotsmulticmpthree#1#2#3#4#5#6do#7#8{%
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#1}{#4}{%
% first key <:
#7%
}{%
pgfplotsinvokeiflessthan{#4}{#1}{%
% first key >:
#8%
}{%
% first key ==:
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#2}{#5}{%
% second key <
#7%
}{%
pgfplotsinvokeiflessthan{#5}{#2}{%
% second key >
#8%
}{%
% second key ==
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#3}{#6}{%
% third key <
#7%
}{%
% third key >=
#8%
}%
}%
}%
}%
}%
}%
begin{document}
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
%pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
pgfplotstablesort[create on use/sortkey/.style={
create col/assign/.code={%
edefentry{{thisrow{x}}{thisrow{y}}{thisrow{myvalue}}}%
pgfkeyslet{/pgfplots/table/create col/next content}entry
}
},
sort key=sortkey,
sort cmp={%
iflessthan/.code args={#1#2#3#4}{%
edeftemp{#1#2}%
expandafterpgfplotsmulticmpthreetempdo{#3}{#4}%
},
},
sort,
columns/Mtx/.style={string type},
columns/Kind/.style={string type},]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=9,
ymin=-10,ymax=8,
zmin=0,zmax=2000,
enlargelimits=upper,
ztick={0,1000,2000},
zticklabels={0,500,1000}, % here one has to "cheat"
% meaning that one has to put labels which are the actual value
% divided by 2. This is because the bars will be centered at these
% values
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
execute at begin plot={}
]
path let p1=($(axis cs:0,0,1)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{conv}{2*y1}
typeout{Kindlyspacespace considerspace settingspace thespace
prefactorspace ofspace zspace tospace conv}};
addplot3 [visualization depends on={
0.09952*z as myz}, % you'll get told how to adjust the prefactor
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter,only marks,
mark=cube*,mark size=5,opacity=1]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={1*thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
end{tikzpicture}
end{document}
ADDENDUM: In this version, the dimension for "full size" bars are computed, i.e. the x and y dimensions to make the bar fill out one unit in each direction. It also checks if the user already has put the correct z scale. It computes the correct scale factor, and asks you to recompile if necessary.
documentclass[tikz,border=3.14pt]{standalone}
usetikzlibrary{calc}
usepackage{pgfplots}
usepackage{pgfplotstable}
pgfplotsset{compat=1.16}
% from https://tex.stackexchange.com/a/102770/121799
defpgfplotsinvokeiflessthan#1#2#3#4{%
pgfkeysvalueof{/pgfplots/iflessthan/.@cmd}{#1}{#2}{#3}{#4}pgfeov
}%
defpgfplotsmulticmpthree#1#2#3#4#5#6do#7#8{%
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#1}{#4}{%
% first key <:
#7%
}{%
pgfplotsinvokeiflessthan{#4}{#1}{%
% first key >:
#8%
}{%
% first key ==:
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#2}{#5}{%
% second key <
#7%
}{%
pgfplotsinvokeiflessthan{#5}{#2}{%
% second key >
#8%
}{%
% second key ==
pgfplotsset{float <}%
pgfplotsinvokeiflessthan{#3}{#6}{%
% third key <
#7%
}{%
% third key >=
#8%
}%
}%
}%
}%
}%
}%
begin{document}
ifdefinedgconv
else
pgfmathsetmacro{gconv}{0.1}
fi
pgfplotstableread[col sep=comma,header=true]{%
x,y,color,myvalue
2,3,1,1000
4,3,2,30
2,7,3,0.75
7,7,4,450
8,5,2,300
2,5,1,100
4,-4,2,1
4,1,3,750
5,-1,4,4
5,2,2,300
1,-2,1,100
2,5,2,5
3,-8,3,750
4,5,4,420
7,-2,2,200
}{datatable}
%
%pgfplotstablesort[col sep=comma,header=true]resulttable{datatable}
pgfplotstablesort[create on use/sortkey/.style={
create col/assign/.code={%
edefentry{{thisrow{x}}{thisrow{y}}{thisrow{myvalue}}}%
pgfkeyslet{/pgfplots/table/create col/next content}entry
}
},
sort key=sortkey,
sort cmp={%
iflessthan/.code args={#1#2#3#4}{%
edeftemp{#1#2}%
expandafterpgfplotsmulticmpthreetempdo{#3}{#4}%
},
},
sort,
columns/Mtx/.style={string type},
columns/Kind/.style={string type},]resulttable{datatable}
begin{tikzpicture}%[x={(0.866cm,-0.5cm)},y={(0.866cm,0.5cm)},z={(0cm,1 cm)}]
pgfplotsset{set layers}
begin{axis}[% from section 4.6.4 of the pgfplotsmanual
view={120}{40},
width=320pt,
height=280pt,
z buffer=none,
xmin=-1,xmax=9,
ymin=-10,ymax=8,
zmin=0,zmax=2000,
enlargelimits=upper,
ztick={0,1000,2000},
zticklabels={0,500,1000}, % here one has to "cheat"
% meaning that one has to put labels which are the actual value
% divided by 2. This is because the bars will be centered at these
% values
xtick=data,
extra tick style={grid=major},
ytick=data,
grid=minor,
xlabel={$x$},
ylabel={$y$},
zlabel={$z$},
minor tick num=1,
point meta=explicit,
colormap name=viridis,
scatter/use mapped color={
draw=mapped color,fill=mapped color!70},
execute at begin plot={}
]
path let p1=($(axis cs:0,0,1)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{conv}{2*y1}
ifxgconvconv
else
xdefgconv{conv}
typeout{Pleasespace recompilespace thespace file!}
fi
};
path let p1=($(axis cs:1,0,0)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{convx}{veclen(x1,y1)}
typeout{Onespace unitspace inspace xspace
directionspace isspaceconvx pt}
};
path let p1=($(axis cs:0,1,0)-(axis cs:0,0,0)$) in
pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}
typeout{Onespace unitspace inspace yspace
directionspace isspaceconvy pt}
};
addplot3 [visualization depends on={
gconv*z as myz}, % you may have to recompile to get the prefactor right
scatter/@pre marker code/.append style={/pgfplots/cube/size z=myz},%
scatter/@pre marker code/.append style={/pgfplots/cube/size x=11.66135pt},%
scatter/@pre marker code/.append style={/pgfplots/cube/size y=9.10493pt},%
scatter,only marks,
mark=cube*,mark size=5,opacity=1]
table[x expr={thisrow{x}},y expr={thisrow{y}},z
expr={1*thisrow{myvalue}},
meta expr={thisrow{color}}
] resulttable;
end{axis}
makeatletter
immediatewrite@mainaux{xdefstringgconv{gconv}relax}
makeatother
end{tikzpicture}
end{document}
answered Jun 6 '18 at 13:53
marmotmarmot
115k5145276
edited 4 hours ago
answered Jun 6 '18 at 13:53
marmotmarmot
115k5145276
answered Jun 6 '18 at 13:53
marmotmarmot
115k5145276
answered Jun 6 '18 at 13:53
marmotmarmot
115k5145276
115k5145276
I really appreciate your efforts. Thank you! When you change the angle of the view, for example toview={50}{70}something get's messed up with the sorting, the bars are overlapping, the same happens when you setx dir=reversed. Maybe there is a solution for it by changing the sorting algorithm. One little addition: You could add "pt" at the end of the typeout for the depth and width.
– sporc
Jun 12 '18 at 7:35
@sporc Yes, of course, if you change the view, it won't work any more. And I am doing the sort independently of the view. At this point, I don't see any easy way to fix that. But thanks for the remark onpt, I'll change this right away.
– marmot
Jun 12 '18 at 14:45
Could you please explain how you calculate the x and y dimensions. As far as I understand you take the length from (1,0,0) to (0,0,0) for x and divide it by xmax? I am asking beacuase I want to adjust the code so that it takes the length (1,0,0) to (0,0,0) and divides it by a fix value, like 100. So that 100 bars would fit along the axis
– sporc
Jun 28 '18 at 11:22
@sporc Yes, that's precisely how I compute it.
– marmot
Jun 28 '18 at 14:18
I can't see where you divide. Isn't this just the length?pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}
– sporc
Jun 29 '18 at 6:44
|
show 8 more comments
I really appreciate your efforts. Thank you! When you change the angle of the view, for example toview={50}{70}something get's messed up with the sorting, the bars are overlapping, the same happens when you setx dir=reversed. Maybe there is a solution for it by changing the sorting algorithm. One little addition: You could add "pt" at the end of the typeout for the depth and width.
– sporc
Jun 12 '18 at 7:35
@sporc Yes, of course, if you change the view, it won't work any more. And I am doing the sort independently of the view. At this point, I don't see any easy way to fix that. But thanks for the remark onpt, I'll change this right away.
– marmot
Jun 12 '18 at 14:45
Could you please explain how you calculate the x and y dimensions. As far as I understand you take the length from (1,0,0) to (0,0,0) for x and divide it by xmax? I am asking beacuase I want to adjust the code so that it takes the length (1,0,0) to (0,0,0) and divides it by a fix value, like 100. So that 100 bars would fit along the axis
– sporc
Jun 28 '18 at 11:22
@sporc Yes, that's precisely how I compute it.
– marmot
Jun 28 '18 at 14:18
I can't see where you divide. Isn't this just the length?pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}
– sporc
Jun 29 '18 at 6:44
I really appreciate your efforts. Thank you! When you change the angle of the view, for example to
view={50}{70} something get's messed up with the sorting, the bars are overlapping, the same happens when you set x dir=reversed. Maybe there is a solution for it by changing the sorting algorithm. One little addition: You could add "pt" at the end of the typeout for the depth and width.– sporc
Jun 12 '18 at 7:35
I really appreciate your efforts. Thank you! When you change the angle of the view, for example to
view={50}{70} something get's messed up with the sorting, the bars are overlapping, the same happens when you set x dir=reversed. Maybe there is a solution for it by changing the sorting algorithm. One little addition: You could add "pt" at the end of the typeout for the depth and width.– sporc
Jun 12 '18 at 7:35
@sporc Yes, of course, if you change the view, it won't work any more. And I am doing the sort independently of the view. At this point, I don't see any easy way to fix that. But thanks for the remark on
pt, I'll change this right away.– marmot
Jun 12 '18 at 14:45
@sporc Yes, of course, if you change the view, it won't work any more. And I am doing the sort independently of the view. At this point, I don't see any easy way to fix that. But thanks for the remark on
pt, I'll change this right away.– marmot
Jun 12 '18 at 14:45
Could you please explain how you calculate the x and y dimensions. As far as I understand you take the length from (1,0,0) to (0,0,0) for x and divide it by xmax? I am asking beacuase I want to adjust the code so that it takes the length (1,0,0) to (0,0,0) and divides it by a fix value, like 100. So that 100 bars would fit along the axis
– sporc
Jun 28 '18 at 11:22
Could you please explain how you calculate the x and y dimensions. As far as I understand you take the length from (1,0,0) to (0,0,0) for x and divide it by xmax? I am asking beacuase I want to adjust the code so that it takes the length (1,0,0) to (0,0,0) and divides it by a fix value, like 100. So that 100 bars would fit along the axis
– sporc
Jun 28 '18 at 11:22
@sporc Yes, that's precisely how I compute it.
– marmot
Jun 28 '18 at 14:18
@sporc Yes, that's precisely how I compute it.
– marmot
Jun 28 '18 at 14:18
I can't see where you divide. Isn't this just the length?
pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}– sporc
Jun 29 '18 at 6:44
I can't see where you divide. Isn't this just the length?
pgfextra{pgfmathsetmacro{convy}{veclen(x1,y1)}– sporc
Jun 29 '18 at 6:44
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