TeX - LaTeX Asked on December 4, 2020
I want:
· integers without zeros, e.g. -2 —> -2 (not -2.0000)
· non-integers with zerofill,
e.g. 1.23 —> 1.2300
e.g. 1.2345 –> 1.2345
Hints:
· A pgfmath
-solution would be nice (in the difference to siunitx etc.).
· And I need that in a pgfplotstable
, but I do not know whether this is a pgfplotstable-specific problem.
What do I have to set?
documentclass{article}
usepackage{pgfplotstable}
pgfplotsset{compat=1.17}
begin{document}
pgfplotstableset{col sep=comma}
section{Actual}
pgfplotstabletypeset[
fixed relative,
zerofill, precision=4, % no effect
]{
0, 1, -2, 1.23, 1.2345
}
section{Target}
pgfplotstabletypeset[string type]{
0, 1, -2, 1.2300, 1.2345
}
end{document}
You can set key /pgfplots/table/@cell content
from hook /pgfplots/table/assign cell content
in order to define custom output markup for each cell. The argument of assign cell content
is the unformatted data read from the input table. pgfmathifisint
allows one to run conditional code that depends on whether said data represents an integer.
documentclass{article}
usepackage{pgfplotstable}
pgfplotsset{compat=1.17}
begin{document}
pgfplotstableset{col sep=comma}
pgfplotstabletypeset[
every column/.style={
assign cell content/.code={%
pgfmathifisint{##1}
{defmyOptions{}}%
{defmyOptions{fixed, zerofill, precision=4}}%
expandafterpgfmathprintnumbertoexpandafter[myOptions]
{pgfretval}{myFormattedValue}%
pgfplotstableset{@cell content/.expand once=myFormattedValue}%
},
}]{
0, 1, -2, 1.23, 1.2345
}
end{document}
The hook /pgfplots/table/assign cell content
is run inside a TeX group, therefore there is no need to manually clean up macros myOptions
and myFormattedValue
afterwards: this is automatic.
The following is equivalent and shorter, but has a bit more redundancy:
documentclass{article}
usepackage{pgfplotstable}
pgfplotsset{compat=1.17}
begin{document}
pgfplotstableset{col sep=comma}
pgfplotstabletypeset[
every column/.style={
assign cell content/.code={%
pgfmathifisint{##1}
{pgfmathprintnumberto{pgfretval}{myFormattedValue}}
{pgfmathprintnumberto[fixed, zerofill, precision=4]
{pgfretval}{myFormattedValue}}%
pgfplotstableset{@cell content/.expand once=myFormattedValue}%
},
}]{
0, 1, -2, 1.23, 1.2345
}
end{document}
Also possible, putting all the logic inside each @cell content
(which might use a bit more memory, perhaps?):
documentclass{article}
usepackage{pgfplotstable}
pgfplotsset{compat=1.17}
begin{document}
pgfplotstableset{col sep=comma}
pgfplotstabletypeset[
every column/.style={
assign cell content/.style={
@cell content={%
pgfmathifisint{##1}
{pgfmathprintnumber{pgfretval}}
{pgfmathprintnumber[fixed, zerofill, precision=4]{pgfretval}}%
},
},
}]{
0, 1, -2, 1.23, 1.2345
}
end{document}
Correct answer by frougon on December 4, 2020
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