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Empty line treatment when reading tables in pgfplots
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I have the problem that in some scenarios plots from tables are not drawn if empty lines are in the read input file. Boundaries etc. are drawn and set correctly and no errors are shown in the log.
Let's directly start with the MWE
documentclass[]{standalone}
usepackage{pgfplots,pgfplotstable}
pgfplotsset{compat=newest}
begin{filecontents}{data1.txt}
0 0
1 1
end{filecontents}
begin{filecontents}{data2.txt}
0 0
1 1
end{filecontents}
begin{document}
begin{tikzpicture}
begin{axis}
addplot [color=black] table[x index =0, y index = 1,] {./data1.txt};
addplot [color=red,very thick,dashed] table[x index =0, y index = 1,] {./data2.txt};
end{axis}
end{tikzpicture}
end{document}
and the outcome
The desired outcome would of course contain two identical lines:
When the same is done with pgfplotstableread, both command work fine (i.e., both datasets work). But for large datasets, this is not an option.
Somehow, the simple table {filename} has problems with an empty line inside table data. Interestingly, this does not occur if the first addplot does not receive and options (not even empty ones []).
Is this desired behavior? Is there an option to ignore empty lines also when reading tables like done in the MWE?
tikz-pgf pgfplots pgfplotstable
asked 2 hours ago
FaekynnFaekynn
1,0001825
add a comment |
I have the problem that in some scenarios plots from tables are not drawn if empty lines are in the read input file. Boundaries etc. are drawn and set correctly and no errors are shown in the log.
Let's directly start with the MWE
documentclass[]{standalone}
usepackage{pgfplots,pgfplotstable}
pgfplotsset{compat=newest}
begin{filecontents}{data1.txt}
0 0
1 1
end{filecontents}
begin{filecontents}{data2.txt}
0 0
1 1
end{filecontents}
begin{document}
begin{tikzpicture}
begin{axis}
addplot [color=black] table[x index =0, y index = 1,] {./data1.txt};
addplot [color=red,very thick,dashed] table[x index =0, y index = 1,] {./data2.txt};
end{axis}
end{tikzpicture}
end{document}
and the outcome
The desired outcome would of course contain two identical lines:
When the same is done with pgfplotstableread, both command work fine (i.e., both datasets work). But for large datasets, this is not an option.
Somehow, the simple table {filename} has problems with an empty line inside table data. Interestingly, this does not occur if the first addplot does not receive and options (not even empty ones []).
Is this desired behavior? Is there an option to ignore empty lines also when reading tables like done in the MWE?
tikz-pgf pgfplots pgfplotstable
asked 2 hours ago
FaekynnFaekynn
1,0001825
add a comment |
I have the problem that in some scenarios plots from tables are not drawn if empty lines are in the read input file. Boundaries etc. are drawn and set correctly and no errors are shown in the log.
Let's directly start with the MWE
documentclass[]{standalone}
usepackage{pgfplots,pgfplotstable}
pgfplotsset{compat=newest}
begin{filecontents}{data1.txt}
0 0
1 1
end{filecontents}
begin{filecontents}{data2.txt}
0 0
1 1
end{filecontents}
begin{document}
begin{tikzpicture}
begin{axis}
addplot [color=black] table[x index =0, y index = 1,] {./data1.txt};
addplot [color=red,very thick,dashed] table[x index =0, y index = 1,] {./data2.txt};
end{axis}
end{tikzpicture}
end{document}
and the outcome
The desired outcome would of course contain two identical lines:
When the same is done with pgfplotstableread, both command work fine (i.e., both datasets work). But for large datasets, this is not an option.
Somehow, the simple table {filename} has problems with an empty line inside table data. Interestingly, this does not occur if the first addplot does not receive and options (not even empty ones []).
Is this desired behavior? Is there an option to ignore empty lines also when reading tables like done in the MWE?
tikz-pgf pgfplots pgfplotstable
asked 2 hours ago
FaekynnFaekynn
1,0001825
I have the problem that in some scenarios plots from tables are not drawn if empty lines are in the read input file. Boundaries etc. are drawn and set correctly and no errors are shown in the log.
Let's directly start with the MWE
documentclass[]{standalone}
usepackage{pgfplots,pgfplotstable}
pgfplotsset{compat=newest}
begin{filecontents}{data1.txt}
0 0
1 1
end{filecontents}
begin{filecontents}{data2.txt}
0 0
1 1
end{filecontents}
begin{document}
begin{tikzpicture}
begin{axis}
addplot [color=black] table[x index =0, y index = 1,] {./data1.txt};
addplot [color=red,very thick,dashed] table[x index =0, y index = 1,] {./data2.txt};
end{axis}
end{tikzpicture}
end{document}
and the outcome
The desired outcome would of course contain two identical lines:
When the same is done with pgfplotstableread, both command work fine (i.e., both datasets work). But for large datasets, this is not an option.
Somehow, the simple table {filename} has problems with an empty line inside table data. Interestingly, this does not occur if the first addplot does not receive and options (not even empty ones []).
Is this desired behavior? Is there an option to ignore empty lines also when reading tables like done in the MWE?
tikz-pgf pgfplots pgfplotstable
tikz-pgf pgfplots pgfplotstable
asked 2 hours ago
FaekynnFaekynn
1,0001825
asked 2 hours ago
FaekynnFaekynn
1,0001825
edited 2 hours ago
Faekynn
asked 2 hours ago
FaekynnFaekynn
1,0001825
asked 2 hours ago
FaekynnFaekynn
1,0001825
asked 2 hours ago
FaekynnFaekynn
1,0001825
1,0001825
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
To weed out empty rows you only need to say empty line=none, see p. 45 of the manual.
documentclass[]{standalone}
usepackage{pgfplots,pgfplotstable}
pgfplotsset{compat=newest}
begin{filecontents*}{data1.txt}
0 0
1 1
end{filecontents*}
begin{filecontents*}{data2.txt}
0 0
1 1
end{filecontents*}
begin{document}
begin{tikzpicture}
begin{axis}
addplot [color=black,empty line=none] table[x index =0, y index = 1] {./data1.txt};
addplot [color=red,very thick,dashed] table[x index =0, y index = 1] {./data2.txt};
end{axis}
end{tikzpicture}
end{document}
answered 2 hours ago
marmotmarmot
122k6160300
Oh i know. (I tried to mention in the text that this works). But for large data it is not very practical. (The manual says the macro version is slower from 200 entries on)
– Faekynn
2 hours ago
@Faekynn Oh, sorry, I misread this. Then I do not know an answer but personally I feel that, if you want to deal with huge data sets and want to have high performance, you may want to weed these empty lines out with some faster tools like perl or something of that sort.
– marmot
2 hours ago
Perl, sed and so are of course possible, but not that portable. I guess it should be possible though: writing justaddplot table {file}surprisingly works. Only once i add a plot option, the graph disappears. So, in some cases it is treated correctly...
– Faekynn
2 hours ago
Maybe somebody else knows with a deeper understanding of the pgfplots interna...
– Faekynn
2 hours ago
@Faekynn I completely revised the answer. You only need to sayempty line=none.
– marmot
2 hours ago
|
show 2 more comments
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1 Answer
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active
oldest
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1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
To weed out empty rows you only need to say empty line=none, see p. 45 of the manual.
documentclass[]{standalone}
usepackage{pgfplots,pgfplotstable}
pgfplotsset{compat=newest}
begin{filecontents*}{data1.txt}
0 0
1 1
end{filecontents*}
begin{filecontents*}{data2.txt}
0 0
1 1
end{filecontents*}
begin{document}
begin{tikzpicture}
begin{axis}
addplot [color=black,empty line=none] table[x index =0, y index = 1] {./data1.txt};
addplot [color=red,very thick,dashed] table[x index =0, y index = 1] {./data2.txt};
end{axis}
end{tikzpicture}
end{document}
answered 2 hours ago
marmotmarmot
122k6160300
Oh i know. (I tried to mention in the text that this works). But for large data it is not very practical. (The manual says the macro version is slower from 200 entries on)
– Faekynn
2 hours ago
@Faekynn Oh, sorry, I misread this. Then I do not know an answer but personally I feel that, if you want to deal with huge data sets and want to have high performance, you may want to weed these empty lines out with some faster tools like perl or something of that sort.
– marmot
2 hours ago
Perl, sed and so are of course possible, but not that portable. I guess it should be possible though: writing justaddplot table {file}surprisingly works. Only once i add a plot option, the graph disappears. So, in some cases it is treated correctly...
– Faekynn
2 hours ago
Maybe somebody else knows with a deeper understanding of the pgfplots interna...
– Faekynn
2 hours ago
@Faekynn I completely revised the answer. You only need to sayempty line=none.
– marmot
2 hours ago
|
show 2 more comments
To weed out empty rows you only need to say empty line=none, see p. 45 of the manual.
documentclass[]{standalone}
usepackage{pgfplots,pgfplotstable}
pgfplotsset{compat=newest}
begin{filecontents*}{data1.txt}
0 0
1 1
end{filecontents*}
begin{filecontents*}{data2.txt}
0 0
1 1
end{filecontents*}
begin{document}
begin{tikzpicture}
begin{axis}
addplot [color=black,empty line=none] table[x index =0, y index = 1] {./data1.txt};
addplot [color=red,very thick,dashed] table[x index =0, y index = 1] {./data2.txt};
end{axis}
end{tikzpicture}
end{document}
answered 2 hours ago
marmotmarmot
122k6160300
Oh i know. (I tried to mention in the text that this works). But for large data it is not very practical. (The manual says the macro version is slower from 200 entries on)
– Faekynn
2 hours ago
@Faekynn Oh, sorry, I misread this. Then I do not know an answer but personally I feel that, if you want to deal with huge data sets and want to have high performance, you may want to weed these empty lines out with some faster tools like perl or something of that sort.
– marmot
2 hours ago
Perl, sed and so are of course possible, but not that portable. I guess it should be possible though: writing justaddplot table {file}surprisingly works. Only once i add a plot option, the graph disappears. So, in some cases it is treated correctly...
– Faekynn
2 hours ago
Maybe somebody else knows with a deeper understanding of the pgfplots interna...
– Faekynn
2 hours ago
@Faekynn I completely revised the answer. You only need to sayempty line=none.
– marmot
2 hours ago
|
show 2 more comments
To weed out empty rows you only need to say empty line=none, see p. 45 of the manual.
documentclass[]{standalone}
usepackage{pgfplots,pgfplotstable}
pgfplotsset{compat=newest}
begin{filecontents*}{data1.txt}
0 0
1 1
end{filecontents*}
begin{filecontents*}{data2.txt}
0 0
1 1
end{filecontents*}
begin{document}
begin{tikzpicture}
begin{axis}
addplot [color=black,empty line=none] table[x index =0, y index = 1] {./data1.txt};
addplot [color=red,very thick,dashed] table[x index =0, y index = 1] {./data2.txt};
end{axis}
end{tikzpicture}
end{document}
answered 2 hours ago
marmotmarmot
122k6160300
To weed out empty rows you only need to say empty line=none, see p. 45 of the manual.
documentclass[]{standalone}
usepackage{pgfplots,pgfplotstable}
pgfplotsset{compat=newest}
begin{filecontents*}{data1.txt}
0 0
1 1
end{filecontents*}
begin{filecontents*}{data2.txt}
0 0
1 1
end{filecontents*}
begin{document}
begin{tikzpicture}
begin{axis}
addplot [color=black,empty line=none] table[x index =0, y index = 1] {./data1.txt};
addplot [color=red,very thick,dashed] table[x index =0, y index = 1] {./data2.txt};
end{axis}
end{tikzpicture}
end{document}
answered 2 hours ago
marmotmarmot
122k6160300
edited 2 hours ago
answered 2 hours ago
marmotmarmot
122k6160300
answered 2 hours ago
marmotmarmot
122k6160300
answered 2 hours ago
marmotmarmot
122k6160300
122k6160300
Oh i know. (I tried to mention in the text that this works). But for large data it is not very practical. (The manual says the macro version is slower from 200 entries on)
– Faekynn
2 hours ago
@Faekynn Oh, sorry, I misread this. Then I do not know an answer but personally I feel that, if you want to deal with huge data sets and want to have high performance, you may want to weed these empty lines out with some faster tools like perl or something of that sort.
– marmot
2 hours ago
Perl, sed and so are of course possible, but not that portable. I guess it should be possible though: writing justaddplot table {file}surprisingly works. Only once i add a plot option, the graph disappears. So, in some cases it is treated correctly...
– Faekynn
2 hours ago
Maybe somebody else knows with a deeper understanding of the pgfplots interna...
– Faekynn
2 hours ago
@Faekynn I completely revised the answer. You only need to sayempty line=none.
– marmot
2 hours ago
|
show 2 more comments
Oh i know. (I tried to mention in the text that this works). But for large data it is not very practical. (The manual says the macro version is slower from 200 entries on)
– Faekynn
2 hours ago
@Faekynn Oh, sorry, I misread this. Then I do not know an answer but personally I feel that, if you want to deal with huge data sets and want to have high performance, you may want to weed these empty lines out with some faster tools like perl or something of that sort.
– marmot
2 hours ago
Perl, sed and so are of course possible, but not that portable. I guess it should be possible though: writing justaddplot table {file}surprisingly works. Only once i add a plot option, the graph disappears. So, in some cases it is treated correctly...
– Faekynn
2 hours ago
Maybe somebody else knows with a deeper understanding of the pgfplots interna...
– Faekynn
2 hours ago
@Faekynn I completely revised the answer. You only need to sayempty line=none.
– marmot
2 hours ago
Oh i know. (I tried to mention in the text that this works). But for large data it is not very practical. (The manual says the macro version is slower from 200 entries on)
– Faekynn
2 hours ago
Oh i know. (I tried to mention in the text that this works). But for large data it is not very practical. (The manual says the macro version is slower from 200 entries on)
– Faekynn
2 hours ago
@Faekynn Oh, sorry, I misread this. Then I do not know an answer but personally I feel that, if you want to deal with huge data sets and want to have high performance, you may want to weed these empty lines out with some faster tools like perl or something of that sort.
– marmot
2 hours ago
@Faekynn Oh, sorry, I misread this. Then I do not know an answer but personally I feel that, if you want to deal with huge data sets and want to have high performance, you may want to weed these empty lines out with some faster tools like perl or something of that sort.
– marmot
2 hours ago
Perl, sed and so are of course possible, but not that portable. I guess it should be possible though: writing just
addplot table {file} surprisingly works. Only once i add a plot option, the graph disappears. So, in some cases it is treated correctly...– Faekynn
2 hours ago
Perl, sed and so are of course possible, but not that portable. I guess it should be possible though: writing just
addplot table {file} surprisingly works. Only once i add a plot option, the graph disappears. So, in some cases it is treated correctly...– Faekynn
2 hours ago
Maybe somebody else knows with a deeper understanding of the pgfplots interna...
– Faekynn
2 hours ago
Maybe somebody else knows with a deeper understanding of the pgfplots interna...
– Faekynn
2 hours ago
@Faekynn I completely revised the answer. You only need to say
empty line=none.– marmot
2 hours ago
@Faekynn I completely revised the answer. You only need to say
empty line=none.– marmot
2 hours ago
|
show 2 more comments
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