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`boxplot/draw position` from `statistics` not compatible with `dateplot`
This has been driving me crazy over the last few days. I'm trying to use a boxplot prepared within a groupplot with date coordintaes in=x. Maybe someone can help with this.
I'm getting two main error messages:
- Using 'lua backend=false' for axis: x coord trafo unsupported.
- Paragraph ended before \pgfcalendar@datetojulian was complete
Minimum viable error tex file is below.
Run with: latexmk -f -lualatex -interaction=nonstopmode -halt-on-error minimal-boxplot-error.tex
\documentclass[12pt]{article}
\usepackage{pgfplots}
\pgfplotsset{compat=1.18}
\usepgfplotslibrary{groupplots}
\usepgfplotslibrary{dateplot}
\usepgfplotslibrary{statistics}
\usepackage{pgfcalendar}
\begin{document}
\begin{tikzpicture}
\begin{groupplot}[
group style={group size=1 by 1},
date coordinates in=x,
xmin=2013-01-01,
xmax=2013-12-01
]
\nextgroupplot[boxplot draw direction=y]
\addplot+[boxplot prepared={lower whisker=1, upper whisker=5, lower quartile=2, upper quartile=4, median=3, draw position=2013-06-01}] coordinates {};
\end{groupplot}
\end{tikzpicture}
\end{document}
Runaway argument?
\pgfplots@calender@ZEROSHIFT \relax \ifx \pgfplotstemptime \pgfutil@empty \ETC.
! File ended while scanning use of \pgfcalendar@datetojulian.
<inserted text>
\par
<*> minimal-boxplot-error.tex
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ons.pathmorphing.code.tex))
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decorations.pathreplacing.code.tex
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calc.code.tex
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))
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ode.tex (/usr/share/texmf-dist/tex/latex/pgf/utilities/pgfcalendar.sty
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\pgfcalendarcurrentjulian=\count288
\pgf@cal@easter@Y=\count289
\pgf@cal@easter@G=\count290
\pgf@cal@easter@C=\count291
\pgf@cal@easter@X=\count292
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\pgf@cal@easter@E=\count295
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\pgf@cal@easter@M=\count297
\pgf@cal@easter@julianday=\count298
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.code.tex) (/usr/share/texmf-dist/tex/latex/l3backend/l3backend-luatex.def
File: l3backend-luatex.def 2022-04-14 L3 backend support: PDF output (LuaTeX)
\l__color_backend_stack_int=\count299
\l__pdf_internal_box=\box62
)
(./minimal-boxplot-error.aux)
\openout1 = minimal-boxplot-error.aux
LaTeX Font Info: Checking defaults for OML/cmm/m/it on input line 8.
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LaTeX Font Info: Checking defaults for TS1/cmr/m/n on input line 8.
LaTeX Font Info: Trying to load font information for TS1+cmr on input line 8
.
(/usr/share/texmf-dist/tex/latex/base/ts1cmr.fd
File: ts1cmr.fd 2019/12/16 v2.5j Standard LaTeX font definitions
)
LaTeX Font Info: ... okay on input line 8.
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[Loading MPS to PDF converter (version 2006.09.02).]
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Package pgfplots notification 'compat/show suggested version=true': document ha
s been generated with the most recent feature set (\pgfplotsset{compat=1.18}).
Package pgfplots info on input line 15: Using 'lua backend=false' for axis: x c
oord trafo unsupported.
Package pgfplots info on input line 16: dateplot: setting 'date ZERO={}' for th
is axis.
)
Runaway argument?
\pgfplots@calender@ZEROSHIFT \relax \ifx \pgfplotstemptime \pgfutil@empty \ETC.
! File ended while scanning use of \pgfcalendar@datetojulian.
<inserted text>
\par
<*> minimal-boxplot-error.tex
Here is how much of LuaTeX's memory you used:
23332 strings out of 477762
100000,1144653 words of node,token memory allocated
633 words of node memory still in use:
3 hlist, 2 rule, 5 dir, 8 glue, 3 kern, 1 glyph, 16 attribute, 63 glue_spec,
16 attribute_list, 4 temp, 3 if_stack, 1 write, 5 pdf_literal, 2 pdf_colorstack
nodes
avail lists: 2:17,3:1,9:1
43358 multiletter control sequences out of 65536+600000
15 fonts using 723367 bytes
99i,3n,98p,741b,1794s stack positions out of 5000i,500n,10000p,200000b,80000s
! ==> Fatal error occurred, no output PDF file produced!
Issue seems to be related to FPU. The error occurs in /usr/share/texmf-dist/tex/generic/pgfplots/libs/tikzlibrarypgfplots.dateplot.code.tex.
I have added some logging to the problematic section:
\pgfplotsset{
/pgfplots/date ZERO/.code={%
\pgfplots@dateplot@parse@ZEROSHIFT{#1}%
\let\pgfplots@calender@ZEROSHIFT=\pgfmathresult
},
/pgfplots/date coordinates in/.code={%
\pgfkeysdef{/pgfplots/#1 coord trafo}{%
\begingroup
\edef\pgfplotstempjuliandate{##1}%
% check if we also have a TIME like '2006-01-01 11:21'
\expandafter\pgfutil@in@\expandafter:\expandafter{\pgfplotstempjuliandate}%
\ifpgfutil@in@
% we have a TIME!
\message{success: value ##1 is A TIME}
\expandafter\pgfplotslibdateplot@map@time\pgfplotstempjuliandate:\dateto\pgfplotstempjuliandate\timeto\pgfplotstemptime
\else
\message{error: value ##1 is not TIME}
\let\pgfplotstemptime=\pgfutil@empty
\fi
%
\expandafter\pgfplots@dateplot@ensure@ZEROSHIFT\expandafter{\pgfplotstempjuliandate}%
%
\expandafter\pgfcalendardatetojulian\expandafter{\pgfplotstempjuliandate}\c@pgf@counta%
{\advance \c@pgf@counta by -\pgfplots@calender@ZEROSHIFT\relax}%
\message{value ##1 is \pgfplotstemptime}
\ifx\pgfplotstemptime\pgfutil@empty%
% no time:
\message{no time}
\edef\pgfmathresult{\the\c@pgf@counta}%
\else
% add time fraction (which should be in the range [0,1]).
\message{no add time fraction (which should be in the range}
\ifdim\pgfplotstemptime pt<1pt
% discard prefix '0.':
\expandafter\pgfplotslibdateplot@discard@zero@dot\pgfplotstemptime\to\pgfplotstemptime
\edef\pgfmathresult{\the\c@pgf@counta.\pgfplotstemptime}%
\else
% assume \pgfplotstemptime=1pt :
\advance\c@pgf@counta by1
\edef\pgfmathresult{\the\c@pgf@counta}%
\fi
\fi
\pgfmath@smuggleone\pgfmathresult
\endgroup
}%
It shows that the DATE value 2021-01-01 00:001 gets converted to 1Y1.0e0 which later creates runaway argument error in \edef\pgfmathresult{\the\c@pgf@counta.\pgfplotstemptime}%
success: value 2021-01-01 00:01 is A TIME value 2021-01-01 00:01 is 0.00069
no add time fraction (which should be in the range
success: value 2021-12-01 00:01 is A TIME value 2021-12-01 00:01 is 0.00069
no add time fraction (which should be in the range
error: value 1Y1.0e0] is not TIME
Runaway argument?
1Y1.0e0]+/{\c@pgf@counta }{\advance \c@pgf@counta by -\pgfplots@calender@ZEROSH
IFT \ETC.
! Paragraph ended before \pgfcalendar@datetojulian was complete.
<to be read again>
\par
l.114
653 words of node memory still in use:
3 hlist, 2 rule, 5 dir, 10 glue, 3 kern, 1 glyph, 18 attribute, 63 glue_spec
, 18 attribute_list, 4 temp, 2 if_stack, 1 write, 5 pdf_literal, 2 pdf_colorsta
ck nodes
avail lists: 2:16,3:1,9:1
! ==> Fatal error occurred, no output PDF file produced!
Underlying problem might be that dateplot works with FPU fixed and boxplot with FPU float data types.
Would be great if someone more experienced could tell me if this investigation is going on the right path..
First error message can be circumvented if in tikzlibrarypgfplots.dateplot.code.tex at function /pgfplots/date coordinates in/.code= we add a check if it is actually a date or not at the very beginning, like this: \pgfcalendarifdate{\pgfplotstempjuliandate}{all}{ /* normal function */ }{ /* just return FPU float */ }
I have monkeypatched tikzlibrarypgfplots.dateplot.code.tex and now it proceeds with the function.
However, sometimes the function is called with proper dates, e.g. "2020-01-01" and sometimes it is called with FPU floats such as 1Y2.0110002e3]. The problem is that it seems that dateplot internally uses gregorian days for counting, but the boxplot module from tikzlibrarypgfplots.statistics.code.tex tries to use these weird FPU floats. If the FPU float 1Y2.0110002e3 is decoded, it turns into stuff such as 2011.0002000000000 or 2010.6003000000000, which is "out of dimension" for the dateplot logic.
I need to find a way to turn these 2010.6003000000000 results into proper gregorian days that dateplot needs.
Here is my relevant log:
INPUT pgfplotstempjuliandate = 2020-03-06 raute: x vs. doppelraute 2020-03-06
++DATE++ YES: 2020-03-06is a DATE!
error: value 2020-03-06 does NOT have a time attached
pgfplotstempjuliandate = 2020-03-06 value 2020-03-06 is no time
(((returning 2458915))) INPUT pgfplotstempjuliandate = 2020-03-06
raute: x vs. doppelraute 2020-03-06 ++DATE++ YES: 2020-03-06is a DATE!
error: value 2020-03-06 does NOT have a time attached
pgfplotstempjuliandate = 2020-03-06 value 2020-03-06 is no time
(((returning 2458915))) INPUT pgfplotstempjuliandate = 1Y2.0110002e3]
raute: x vs. doppelraute 1Y2.0110002e3] (((returning 2011.0002000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0110002e3]
raute: x vs. doppelraute 1Y2.0110002e3] (((returning 2011.0002000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0110002e3]
raute: x vs. doppelraute 1Y2.0110002e3] (((returning 2011.0002000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0106802e3]
raute: x vs. doppelraute 1Y2.0106802e3] (((returning 2010.6802000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0113202e3]
raute: x vs. doppelraute 1Y2.0113202e3] (((returning 2011.3202000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0106003e3]
raute: x vs. doppelraute 1Y2.0106003e3] (((returning 2010.6003000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0114001e3]
raute: x vs. doppelraute 1Y2.0114001e3] (((returning 2011.4001000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0106003e3]
raute: x vs. doppelraute 1Y2.0106003e3] (((returning 2010.6003000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0114001e3]
raute: x vs. doppelraute 1Y2.0114001e3] (((returning 2011.4001000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0106003e3]
raute: x vs. doppelraute 1Y2.0106003e3] (((returning 2010.6003000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0114001e3]
raute: x vs. doppelraute 1Y2.0114001e3] (((returning 2011.4001000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0106003e3]
raute: x vs. doppelraute 1Y2.0106003e3] (((returning 2010.6003000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0114001e3]
raute: x vs. doppelraute 1Y2.0114001e3] (((returning 2011.4001000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0113202e3]
raute: x vs. doppelraute 1Y2.0113202e3] (((returning 2011.3202000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0106802e3]
raute: x vs. doppelraute 1Y2.0106802e3] (((returning 2010.6802000000000)))
Package pgfplots Warning: Axis range for axis x is approximately empty; enlargi
ng it (it is [2458915.000000000:2458915.000000000]) on input line 119.
OOOOOOOOOOOOOO==OOOOO coord inv trafo:: 2200000.0000 x
OOOOOOOOOOOOOO==OOOOO coord inv trafo:: 2400000.0000 x
OOOOOOOOOOOOOO==OOOOO coord inv trafo:: 2600000.0000 x
OOOOOOOOOOOOOO==OOOOO coord inv trafo:: 2800000.0000 x
INPUT pgfplotstempjuliandate = 1Y2.0110002e3]
raute: x vs. doppelraute 1Y2.0110002e3] (((returning 2011.0002000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0110002e3]
raute: x vs. doppelraute 1Y2.0110002e3] (((returning 2011.0002000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0106802e3]
raute: x vs. doppelraute 1Y2.0106802e3] (((returning 2010.6802000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0113202e3]
raute: x vs. doppelraute 1Y2.0113202e3] (((returning 2011.3202000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0110002e3]
raute: x vs. doppelraute 1Y2.0110002e3] (((returning 2011.0002000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0110002e3]
raute: x vs. doppelraute 1Y2.0110002e3] (((returning 2011.0002000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0106802e3]
raute: x vs. doppelraute 1Y2.0106802e3] (((returning 2010.6802000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0113202e3]
raute: x vs. doppelraute 1Y2.0113202e3] (((returning 2011.3202000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0106003e3]
raute: x vs. doppelraute 1Y2.0106003e3] (((returning 2010.6003000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0114001e3]
raute: x vs. doppelraute 1Y2.0114001e3] (((returning 2011.4001000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0106003e3]
raute: x vs. doppelraute 1Y2.0106003e3] (((returning 2010.6003000000000)))
INPUT pgfplotstempjuliandate = 1Y2.0114001e3]
Here is the monkeypatched tikzlibrarypgfplots.dateplot.code.tex
%--------------------------------------------
%
% Package pgfplots, library for high-level coordinates.
%
% Copyright 2007/2008/2009 by Christian Feuersänger.
%
% This program is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program. If not, see <http://www.gnu.org/licenses/>.
%
%--------------------------------------------
\pgfutil@usemodule{pgfcalendar}
% Idea: allow
%--------------------------------------------------
% \begin{tikzpicture}
% \begin{axis}[
% date coordinates in=x,
% xticklabel={\day.\month.},
% ]
% \addplot coordinates {
% (2008-01-5, 5)
% (2008-01-12, 10)
% (2008-01-16, 20)
% };
% \end{axis}
% \end{tikzpicture}
%--------------------------------------------------
\def\pgfplotslibdateplot@number@to@julian@and@time#1.#2\julianto#3\hourto#4\minuteto#5{%
#3=#1
\pgf@xa=0.#2pt
\multiply\pgf@xa by24
\afterassignment\pgfplots@gobble@until@relax
\c@pgf@countb=\the\pgf@xa\relax
\edef#4{\the\c@pgf@countb}%
\advance\pgf@xa by-#4pt
\multiply\pgf@xa by60
\afterassignment\pgfplots@gobble@until@relax
\c@pgf@countb=\the\pgf@xa\relax
% round minutes (we may loose precision here)
\advance\pgf@xa by-\the\c@pgf@countb pt
\ifdim\pgf@xa>0.5pt
\advance\c@pgf@countb by1
\ifnum\c@pgf@countb=60
\c@pgf@countb=#4 %
\advance\c@pgf@countb by1
\edef#4{\the\c@pgf@countb}%
\c@pgf@countb=0
\fi
\fi
\edef#5{\the\c@pgf@countb}%
}
% #1 the date
% #2 the hours
% #3 the minutes
% #4 is either empty or is the seconds.
% #5 a macro which will be filled with the date part.
% #6 the macro which will contain a number in the range [0,1]
% representing hours and minutes.
%
% If you don't have seconds, you have to provide the second ':' sign
% as dummy! In that case #4 will be empty.
\def\pgfplotslibdateplot@map@time#1 #2:#3:#4\dateto#5\timeto#6{%
\pgf@xa=#2pt
\divide\pgf@xa by24
\pgf@xb=#3pt
\divide\pgf@xb by1440
\advance\pgf@xa by\pgf@xb
\ifdim\pgf@xa<0pt
\pgf@xa=0pt
\else
\ifdim\pgf@xa>1pt
\pgf@xa=1pt
\fi
\fi
\def#5{#1}%
\edef#6{\pgf@sys@tonumber\pgf@xa}%
}%
\def\pgfplotslibdateplot@discard@zero@dot 0.#1\to#2{\def#2{#1}}%
%--------------------------------------------------
%This here extends it to SECONDS, but the precision is too low
% \def\pgfplotslibdateplot@map@time#1 #2:#3:#4\dateto#5\timeto#6{%
% \pgf@xa=#2pt
% \divide\pgf@xa by24
% %
% \pgf@xb=#3pt
% \divide\pgf@xb by1440
% \advance\pgf@xa by\pgf@xb
% %
% \def\pgfplots@loc@TMPc{#4}%
% \ifx\pgfplots@loc@TMPc\pgfutil@empty
% \else
% \edef\pgfplots@loc@TMPc{\pgfplotslibdateplot@discard@trailing@colon #4}%
% \pgf@xb=\pgfplots@loc@TMPc pt
% \divide\pgf@xb by1440
% \divide\pgf@xb by60
% \advance\pgf@xa by\pgf@xb
% \fi
% %
% \ifdim\pgf@xa<0pt
% \pgf@xa=0pt
% \else
% \ifdim\pgf@xa>1pt
% \pgf@xa=1pt
% \fi
% \fi
% \def#5{#1}%
% \edef#6{\pgf@sys@tonumber\pgf@xa}%
% }%
% \def\pgfplotslibdateplot@discard@trailing@colon#1:{#1}%
%--------------------------------------------------
\let\pgfplots@calender@ZEROSHIFT=\pgfutil@empty
\def\pgfplots@dateplot@ensure@ZEROSHIFT#1{%
\ifx\pgfplots@calender@ZEROSHIFT\pgfutil@empty
\ifx\pgfplots@global@dateplot@defaultshift\pgfutil@empty
\pgfplots@log4{dateplot: setting 'date ZERO={#1}' for this axis.}%
\pgfplots@dateplot@parse@ZEROSHIFT{#1}%
\global\let\pgfplots@global@dateplot@defaultshift=\pgfmathresult
\fi
%
\let\pgfplots@calender@ZEROSHIFT=\pgfplots@global@dateplot@defaultshift
\fi
}%
% defines \pgfplots@calender@ZEROSHIFT to be the zero shift
\def\pgfplots@dateplot@get@ZEROSHIFT{%
\ifx\pgfplots@calender@ZEROSHIFT\pgfutil@empty
\ifx\pgfplots@global@dateplot@defaultshift\pgfutil@empty
% should never happen
\pgfplots@error{Illegal internal state: no 'date ZERO' value found}%
\def\pgfplots@calender@ZEROSHIFT{0}%
\else
\let\pgfplots@calender@ZEROSHIFT=\pgfplots@global@dateplot@defaultshift
\fi
\fi
}%
\def\pgfplots@dateplot@parse@ZEROSHIFT#1{%
\begingroup
\pgfcalendardatetojulian{#1}\c@pgf@counta
\edef\pgfmathresult{\the\c@pgf@counta}%
\pgfmath@smuggleone\pgfmathresult
\endgroup
}%
\expandafter\def\expandafter\pgfplots@notify@options@are@set\expandafter{\pgfplots@notify@options@are@set
\global\let\pgfplots@global@dateplot@defaultshift=\pgfutil@empty
}
\usepackage{xstring}
\pgfplotsset{
/pgfplots/date ZERO/.code={%
\pgfplots@dateplot@parse@ZEROSHIFT{#1}%
\let\pgfplots@calender@ZEROSHIFT=\pgfmathresult
},
/pgfplots/date coordinates in/.code={%
\pgfkeysdef{/pgfplots/#1 coord trafo}{%
\begingroup
\edef\pgfplotstempjuliandate{##1}%
\message{INPUT pgfplotstempjuliandate = \pgfplotstempjuliandate}\relax%
\message{raute: #1 vs. doppelraute ##1}
% count minuses
\StrCount{\pgfplotstempjuliandate}{-}[\tmpcountminuses]
%\message{tmpcountminuses \tmpcountminuses}
% if two minuses, it is a date
\ifnum \tmpcountminuses=2
\message{++DATE++}
\message{YES: \pgfplotstempjuliandate is a DATE!}
% NOT A NUMBER!!!
% check if we also have a TIME like '2006-01-01 11:21'
\expandafter\pgfutil@in@\expandafter:\expandafter{\pgfplotstempjuliandate}%
\ifpgfutil@in@
% we have a TIME!
\message{success: value ##1 does have a TIME attached}
\expandafter\pgfplotslibdateplot@map@time\pgfplotstempjuliandate:\dateto\pgfplotstempjuliandate\timeto\pgfplotstemptime
\else
\message{error: value ##1 does NOT have a time attached}
\let\pgfplotstemptime=\pgfutil@empty
\fi
%
\expandafter\pgfplots@dateplot@ensure@ZEROSHIFT\expandafter{\pgfplotstempjuliandate}%
%
\message{pgfplotstempjuliandate = \pgfplotstempjuliandate}%
\expandafter\pgfcalendardatetojulian\expandafter{\pgfplotstempjuliandate}\c@pgf@counta\relax%
{\advance \c@pgf@counta by -\pgfplots@calender@ZEROSHIFT\relax}%
\message{value ##1 is \pgfplotstemptime}
\ifx\pgfplotstemptime\pgfutil@empty%
% no time:
\message{no time}
\edef\pgfmathresult{\the\c@pgf@counta}%
\else
% add time fraction (which should be in the range
% [0,1]).
\message{add time fraction (which should be in the range}
\ifdim\pgfplotstemptime pt<1pt
% discard prefix '0.':
\message{discard prefix '0.':}%
\expandafter\pgfplotslibdateplot@discard@zero@dot\pgfplotstemptime\to\pgfplotstemptime%
\edef\pgfmathresult{\the\c@pgf@counta.\pgfplotstemptime}%
\else
% assume \pgfplotstemptime=1pt :
\message{assume \pgfplotstemptime=1pt :}
\advance\c@pgf@counta by1
\edef\pgfmathresult{\the\c@pgf@counta}%
\fi
\fi
\else
\StrCount{\pgfplotstempjuliandate}{]}[\tmpcountbrackets]
% \message{tmpcountbrackets \tmpcountbrackets}
\StrCount{\pgfplotstempjuliandate}{.}[\tmpcountdots]
% \message{tmpcountdots \tmpcountdots}
\StrCount{\pgfplotstempjuliandate}{e}[\tmpcountsmalle]
% \message{tmpcountsmalle \tmpcountsmalle}
\ifnum \tmpcountbrackets=1
\ifnum \tmpcountdots=1
\ifnum \tmpcountsmalle=1
% \message{**** FUCKING FLOAT ****}
% \message{convert \pgfplotstempjuliandate from float to fixed }
\pgfmathfloattofixed{\pgfplotstempjuliandate}
% \message{converted result: \pgfmathresult }
\else
\message{*** anything ***}
\message{nothing to do, return as is}
\edef\pgfmathresult{\pgfplotstempjuliandate}
\fi
\else
\message{*** anything ***}
\message{nothing to do, return as is}
\edef\pgfmathresult{\pgfplotstempjuliandate}
\fi
\else
\ifnum \tmpcountdots=1
\ifnum \tmpcountsmalle=1
\message{*** SCIENTIFIC NOTATION ***}
\else
\message{*** FIXED ***}
\message{nothing to do, return as is}
\edef\pgfmathresult{\pgfplotstempjuliandate}
\fi
\else
\message{*** anything ***}
\message{nothing to do, return as is}
\edef\pgfmathresult{\pgfplotstempjuliandate}
\fi
\fi
\fi
\message{ (((returning \pgfmathresult))) }
\pgfmath@smuggleone\pgfmathresult
\endgroup
}%
\pgfkeysdef{/pgfplots/#1 coord inv trafo}{%
\edef\pgfplotstempjuliandatenumeric{##1}%
\begingroup
\message{ OOOOOOOOOOOOOO==OOOOO coord inv trafo:: ##1 #1}
\pgfplots@dateplot@get@ZEROSHIFT
%
\expandafter\pgfplotslibdateplot@number@to@julian@and@time\pgfplotstempjuliandatenumeric\julianto{\c@pgf@counta}\hourto\Hour\minuteto\Minute%
\advance\c@pgf@counta by\pgfplots@calender@ZEROSHIFT\relax
\expandafter\pgfcalendarjuliantodate\expandafter{\the\c@pgf@counta}\year\month\day
\xdef\pgfplotslibdateplot@TMP{%
\noexpand\def\noexpand\year{\year}%
\noexpand\def\noexpand\month{\month}%
\noexpand\def\noexpand\day{\day}%
\noexpand\def\noexpand\Hour{\Hour}%
\noexpand\def\noexpand\Minute{\Minute}%
}%
\endgroup
\pgfplotslibdateplot@TMP
\let\hour=\Hour
\let\minute=\Minute
\ifnum\hour<10
\edef\hour{0\hour}%
\fi
\ifnum\minute<10
\edef\minute{0\minute}%
\fi
\def\Second{0}%
\def\second{00}%
\edef\lowlevel{##1}%
\pgfkeysifdefined{/pgfplots/date default inv/#1}{%
\edef\pgfmathresult{\pgfkeysvalueof{/pgfplots/date default inv/#1}}%
}{%
\edef\pgfmathresult{\year-\month-\day\space\hour:\minute:\second}%
}%
}%
\pgfkeysifdefined{/pgfplots/#1ticklabel/.@cmd}{%
\pgfkeysalso{%
/pgfplots/#1ticklabel={\tick},%
/pgfplots/scaled #1 ticks=false,%
/pgfplots/plot coordinates/math parser=false,%
}%
}{%
% OK. The style can be used for other coordinates as well
% (like hist/data)
}%
%
\pgfkeysifdefined{/pgfplots/#1 is expr}{%
\pgfkeyssetvalue{/pgfplots/#1 is expr}{0}%
}{}%
%
% Allow a callback (optional)
\pgfkeysifdefined{/pgfplots/#1/@execute on coord trafo changed/.@cmd}{%
\pgfkeysalso {/pgfplots/#1/@execute on coord trafo changed}%
}{}%
},
/pgfplots/date coordinates in/.value required,
%
% #1: the argument for 'data coordinates in={#1}
% #2: the default for the inverse transformation. If there is
% none, a default will be chosen automatically (with full
% information)
/pgfplots/date coordinates default inverse/.style 2 args={%
/pgfplots/date default inv/#1/.initial=#2,
},
/pgfplots/date coordinates default inverse={x}{\year-\month-\day},
/pgfplots/date coordinates default inverse={y}{\year-\month-\day},
/pgfplots/date coordinates default inverse={z}{\year-\month-\day},
}
I have the conversion from boxplot FPU float to dateplot fixed number (+ ZEROSHIFT) working with this code
Modified tikzlibrarypgfplots.dateplot.code.tex
%--------------------------------------------
%
% Package pgfplots, library for high-level coordinates.
%
% Copyright 2007/2008/2009 by Christian Feuersänger.
%
% This program is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program. If not, see <http://www.gnu.org/licenses/>.
%
%--------------------------------------------
\pgfutil@usemodule{pgfcalendar}
% Idea: allow
%--------------------------------------------------
% \begin{tikzpicture}
% \begin{axis}[
% date coordinates in=x,
% xticklabel={\day.\month.},
% ]
% \addplot coordinates {
% (2008-01-5, 5)
% (2008-01-12, 10)
% (2008-01-16, 20)
% };
% \end{axis}
% \end{tikzpicture}
%--------------------------------------------------
\def\pgfplotslibdateplot@number@to@julian@and@time#1.#2\julianto#3\hourto#4\minuteto#5{%
#3=#1
\pgf@xa=0.#2pt
\multiply\pgf@xa by24
\afterassignment\pgfplots@gobble@until@relax
\c@pgf@countb=\the\pgf@xa\relax
\edef#4{\the\c@pgf@countb}%
\advance\pgf@xa by-#4pt
\multiply\pgf@xa by60
\afterassignment\pgfplots@gobble@until@relax
\c@pgf@countb=\the\pgf@xa\relax
% round minutes (we may loose precision here)
\advance\pgf@xa by-\the\c@pgf@countb pt
\ifdim\pgf@xa>0.5pt
\advance\c@pgf@countb by1
\ifnum\c@pgf@countb=60
\c@pgf@countb=#4 %
\advance\c@pgf@countb by1
\edef#4{\the\c@pgf@countb}%
\c@pgf@countb=0
\fi
\fi
\edef#5{\the\c@pgf@countb}%
}
% #1 the date
% #2 the hours
% #3 the minutes
% #4 is either empty or is the seconds.
% #5 a macro which will be filled with the date part.
% #6 the macro which will contain a number in the range [0,1]
% representing hours and minutes.
%
% If you don't have seconds, you have to provide the second ':' sign
% as dummy! In that case #4 will be empty.
\def\pgfplotslibdateplot@map@time#1 #2:#3:#4\dateto#5\timeto#6{%
\pgf@xa=#2pt
\divide\pgf@xa by24
\pgf@xb=#3pt
\divide\pgf@xb by1440
\advance\pgf@xa by\pgf@xb
\ifdim\pgf@xa<0pt
\pgf@xa=0pt
\else
\ifdim\pgf@xa>1pt
\pgf@xa=1pt
\fi
\fi
\def#5{#1}%
\edef#6{\pgf@sys@tonumber\pgf@xa}%
}%
\def\pgfplotslibdateplot@discard@zero@dot 0.#1\to#2{\def#2{#1}}%
%--------------------------------------------------
%This here extends it to SECONDS, but the precision is too low
% \def\pgfplotslibdateplot@map@time#1 #2:#3:#4\dateto#5\timeto#6{%
% \pgf@xa=#2pt
% \divide\pgf@xa by24
% %
% \pgf@xb=#3pt
% \divide\pgf@xb by1440
% \advance\pgf@xa by\pgf@xb
% %
% \def\pgfplots@loc@TMPc{#4}%
% \ifx\pgfplots@loc@TMPc\pgfutil@empty
% \else
% \edef\pgfplots@loc@TMPc{\pgfplotslibdateplot@discard@trailing@colon #4}%
% \pgf@xb=\pgfplots@loc@TMPc pt
% \divide\pgf@xb by1440
% \divide\pgf@xb by60
% \advance\pgf@xa by\pgf@xb
% \fi
% %
% \ifdim\pgf@xa<0pt
% \pgf@xa=0pt
% \else
% \ifdim\pgf@xa>1pt
% \pgf@xa=1pt
% \fi
% \fi
% \def#5{#1}%
% \edef#6{\pgf@sys@tonumber\pgf@xa}%
% }%
% \def\pgfplotslibdateplot@discard@trailing@colon#1:{#1}%
%--------------------------------------------------
\let\pgfplots@calender@ZEROSHIFT=\pgfutil@empty
\def\pgfplots@dateplot@ensure@ZEROSHIFT#1{%
\ifx\pgfplots@calender@ZEROSHIFT\pgfutil@empty
\ifx\pgfplots@global@dateplot@defaultshift\pgfutil@empty
\pgfplots@log4{dateplot: setting 'date ZERO={#1}' for this axis.}%
\pgfplots@dateplot@parse@ZEROSHIFT{#1}%
\global\let\pgfplots@global@dateplot@defaultshift=\pgfmathresult
\fi
%
\let\pgfplots@calender@ZEROSHIFT=\pgfplots@global@dateplot@defaultshift
\fi
}%
% defines \pgfplots@calender@ZEROSHIFT to be the zero shift
\def\pgfplots@dateplot@get@ZEROSHIFT{%
\ifx\pgfplots@calender@ZEROSHIFT\pgfutil@empty
\ifx\pgfplots@global@dateplot@defaultshift\pgfutil@empty
% should never happen
\pgfplots@error{Illegal internal state: no 'date ZERO' value found}%
\def\pgfplots@calender@ZEROSHIFT{0}%
\else
\let\pgfplots@calender@ZEROSHIFT=\pgfplots@global@dateplot@defaultshift
\fi
\fi
}%
\def\pgfplots@dateplot@parse@ZEROSHIFT#1{%
\begingroup
\pgfcalendardatetojulian{#1}\c@pgf@counta
\edef\pgfmathresult{\the\c@pgf@counta}%
\pgfmath@smuggleone\pgfmathresult
\endgroup
}%
\expandafter\def\expandafter\pgfplots@notify@options@are@set\expandafter{\pgfplots@notify@options@are@set
\global\let\pgfplots@global@dateplot@defaultshift=\pgfutil@empty
}
\usepackage{xstring}
\pgfplotsset{
/pgfplots/date ZERO/.code={%
\pgfplots@dateplot@parse@ZEROSHIFT{#1}%
\let\pgfplots@calender@ZEROSHIFT=\pgfmathresult
},
/pgfplots/date coordinates in/.code={%
\pgfkeysdef{/pgfplots/#1 coord trafo}{%
\begingroup
\edef\pgfplotstempjuliandate{##1}%
\message{INPUT pgfplotstempjuliandate = \pgfplotstempjuliandate}\relax%
\message{raute: #1 vs. doppelraute ##1}
% count minuses
\StrCount{\pgfplotstempjuliandate}{-}[\tmpcountminuses]
%\message{tmpcountminuses \tmpcountminuses}
% if two minuses, it is a date
\ifnum \tmpcountminuses=2
\message{++DATE++}
\message{YES: \pgfplotstempjuliandate is a DATE!}
% NOT A NUMBER!!!
% check if we also have a TIME like '2006-01-01 11:21'
\expandafter\pgfutil@in@\expandafter:\expandafter{\pgfplotstempjuliandate}%
\ifpgfutil@in@
% we have a TIME!
\message{success: value ##1 does have a TIME attached}
\expandafter\pgfplotslibdateplot@map@time\pgfplotstempjuliandate:\dateto\pgfplotstempjuliandate\timeto\pgfplotstemptime
\else
\message{error: value ##1 does NOT have a time attached}
\let\pgfplotstemptime=\pgfutil@empty
\fi
%
\expandafter\pgfplots@dateplot@ensure@ZEROSHIFT\expandafter{\pgfplotstempjuliandate}%
%
\message{pgfplotstempjuliandate = \pgfplotstempjuliandate }%
\expandafter\pgfcalendardatetojulian\expandafter{\pgfplotstempjuliandate}\c@pgf@counta\relax%
\message{ZEROSHIFT \pgfplots@calender@ZEROSHIFT }
{\advance \c@pgf@counta by -\pgfplots@calender@ZEROSHIFT\relax}%
\message{value ##1 is \pgfplotstemptime ||}
\ifx\pgfplotstemptime\pgfutil@empty%
% no time:
\message{no time}
\edef\pgfmathresult{\the\c@pgf@counta}%
\else
% add time fraction (which should be in the range
% [0,1]).
\message{add time fraction (which should be in the range}
\ifdim\pgfplotstemptime pt<1pt
% discard prefix '0.':
\message{discard prefix '0.':}%
\expandafter\pgfplotslibdateplot@discard@zero@dot\pgfplotstemptime\to\pgfplotstemptime%
\edef\pgfmathresult{\the\c@pgf@counta.\pgfplotstemptime}%
\else
% assume \pgfplotstemptime=1pt :
\message{assume \pgfplotstemptime=1pt :}
\advance\c@pgf@counta by1
\edef\pgfmathresult{\the\c@pgf@counta}%
\fi
\fi
\else
\StrCount{\pgfplotstempjuliandate}{]}[\tmpcountbrackets]
% \message{tmpcountbrackets \tmpcountbrackets}
\StrCount{\pgfplotstempjuliandate}{.}[\tmpcountdots]
% \message{tmpcountdots \tmpcountdots}
\StrCount{\pgfplotstempjuliandate}{e}[\tmpcountsmalle]
% \message{tmpcountsmalle \tmpcountsmalle}
\ifnum \tmpcountbrackets>0
\ifnum \tmpcountdots>0
\ifnum \tmpcountsmalle>0
\message{**** FUCKING FLOAT ****}
\message{add the zeroshift of \pgfplots@calender@ZEROSHIFT to \pgfplotstempjuliandate}
\pgfmathfloatparsenumber{\pgfplots@calender@ZEROSHIFT}
\message{zeroshift as float: \pgfmathresult, will add to \pgfplotstempjuliandate}
\pgfmathfloatadd@{\pgfmathresult}{\pgfplotstempjuliandate}
\message{ -> convert \pgfmathresult from float to fixed }
\pgfmathfloattofixed{\pgfmathresult}
\message{ -> converted result: \pgfmathresult }
\else
\message{*** anything ***}
\message{nothing to do, return as is}
\edef\pgfmathresult{\pgfplotstempjuliandate}
\fi
\else
\message{*** anything ***}
\message{nothing to do, return as is}
\edef\pgfmathresult{\pgfplotstempjuliandate}
\fi
\else
\ifnum \tmpcountdots=1
\ifnum \tmpcountsmalle=1
\message{*** SCIENTIFIC NOTATION ***}
\else
\message{*** FIXED ***}
\message{nothing to do, return as is}
\edef\pgfmathresult{\pgfplotstempjuliandate}
\fi
\else
\message{*** anything ***}
\message{nothing to do, return as is}
\edef\pgfmathresult{\pgfplotstempjuliandate}
\fi
\fi
\fi
\message{ (((returning \pgfmathresult))) }
\pgfmath@smuggleone\pgfmathresult
\endgroup
}%
\pgfkeysdef{/pgfplots/#1 coord inv trafo}{%
\edef\pgfplotstempjuliandatenumeric{##1}%
\begingroup
\message{ OOOOOOOOOOOOOO==OOOOO coord inv trafo:: ##1 #1}
\pgfplots@dateplot@get@ZEROSHIFT
%
\expandafter\pgfplotslibdateplot@number@to@julian@and@time\pgfplotstempjuliandatenumeric\julianto{\c@pgf@counta}\hourto\Hour\minuteto\Minute%
\advance\c@pgf@counta by\pgfplots@calender@ZEROSHIFT\relax
\expandafter\pgfcalendarjuliantodate\expandafter{\the\c@pgf@counta}\year\month\day
\xdef\pgfplotslibdateplot@TMP{%
\noexpand\def\noexpand\year{\year}%
\noexpand\def\noexpand\month{\month}%
\noexpand\def\noexpand\day{\day}%
\noexpand\def\noexpand\Hour{\Hour}%
\noexpand\def\noexpand\Minute{\Minute}%
}%
\endgroup
\pgfplotslibdateplot@TMP
\let\hour=\Hour
\let\minute=\Minute
\ifnum\hour<10
\edef\hour{0\hour}%
\fi
\ifnum\minute<10
\edef\minute{0\minute}%
\fi
\def\Second{0}%
\def\second{00}%
\edef\lowlevel{##1}%
\pgfkeysifdefined{/pgfplots/date default inv/#1}{%
\edef\pgfmathresult{\pgfkeysvalueof{/pgfplots/date default inv/#1}}%
}{%
\edef\pgfmathresult{\year-\month-\day\space\hour:\minute:\second}%
}%
}%
\pgfkeysifdefined{/pgfplots/#1ticklabel/.@cmd}{%
\pgfkeysalso{%
/pgfplots/#1ticklabel={\tick},%
/pgfplots/scaled #1 ticks=false,%
/pgfplots/plot coordinates/math parser=false,%
}%
}{%
% OK. The style can be used for other coordinates as well
% (like hist/data)
}%
%
\pgfkeysifdefined{/pgfplots/#1 is expr}{%
\pgfkeyssetvalue{/pgfplots/#1 is expr}{0}%
}{}%
%
% Allow a callback (optional)
\pgfkeysifdefined{/pgfplots/#1/@execute on coord trafo changed/.@cmd}{%
\pgfkeysalso {/pgfplots/#1/@execute on coord trafo changed}%
}{}%
},
/pgfplots/date coordinates in/.value required,
%
% #1: the argument for 'data coordinates in={#1}
% #2: the default for the inverse transformation. If there is
% none, a default will be chosen automatically (with full
% information)
/pgfplots/date coordinates default inverse/.style 2 args={%
/pgfplots/date default inv/#1/.initial=#2,
},
/pgfplots/date coordinates default inverse={x}{\year-\month-\day},
/pgfplots/date coordinates default inverse={y}{\year-\month-\day},
/pgfplots/date coordinates default inverse={z}{\year-\month-\day},
}
So my current understanding of this issue is that dateplot (tikzlibrarypgfplots.dateplot.code.tex) adds the x coord trafo function to the axis, with which all dates (e.g. 2022-01-01) are converted to x values. Now the LaTeX part of boxplot (tikzlibrarypgfplots.statistics.code.tex) takes these values and gives them to the LUA part of boxplot.
While the LUA part of boxplot is running (stastics.lua), it keeps on calling LaTeX functions, to figure out (x,y) of the boxplot. Both exchange values, and these values are sometimes of the wrong format (FPU float vs. decimal + ZEROSHIFT for date axis).
Fix for boxplot reverse-encoding of time axis:
\pgfkeysdef{/pgfplots/#1 coord inv trafo}{%
\edef\pgfplotstempjuliandatenumeric{##1}%
\begingroup
\pgfplots@dateplot@get@ZEROSHIFT
\message{ OOOOOOOOOOOOOO==OOOOO coord inv trafo:: ##1 #1 with zeroshift \pgfplots@calender@ZEROSHIFT}
%
\expandafter\pgfplotslibdateplot@number@to@julian@and@time\pgfplotstempjuliandatenumeric\julianto{\c@pgf@counta}\hourto\Hour\minuteto\Minute%
\message{counta value before: \arabic{pgf@counta}}
\ifnum \arabic{pgf@counta}<\pgfplots@calender@ZEROSHIFT
\advance\c@pgf@counta by\pgfplots@calender@ZEROSHIFT\relax
\fi
\message{counta value after: \arabic{pgf@counta}}
\expandafter\pgfcalendarjuliantodate\expandafter{\the\c@pgf@counta}\year\month\day
\xdef\pgfplotslibdateplot@TMP{%
\noexpand\def\noexpand\year{\year}%
\noexpand\def\noexpand\month{\month}%
\noexpand\def\noexpand\day{\day}%
\noexpand\def\noexpand\Hour{\Hour}%
\noexpand\def\noexpand\Minute{\Minute}%
}%
\endgroup
\pgfplotslibdateplot@TMP
\let\hour=\Hour
\let\minute=\Minute
\ifnum\hour<10
\edef\hour{0\hour}%
\fi
\ifnum\minute<10
\edef\minute{0\minute}%
\fi
\def\Second{0}%
\def\second{00}%
\edef\lowlevel{##1}%
\pgfkeysifdefined{/pgfplots/date default inv/#1}{%
\edef\pgfmathresult{\pgfkeysvalueof{/pgfplots/date default inv/#1}}%
}{%
\edef\pgfmathresult{\year-\month-\day\space\hour:\minute:\second}%
}%
\message{coord inv result for #1 ##1 is \pgfmathresult}%
}%
@muzimuzhi can you please help me? I have spent three days deep diving into the horrible LaTeX syntax and the pgfplots framework. I have identified that the interaction between tikzlibrarypgfplots.dateplot.code.tex and tikzlibrarypgfplots.statistics.code.tex is bugged when handling date coordinates.
I'm quite sure this could be fixed if tikzlibrarypgfplots.statistics.code.tex would check if the x coord trafo function exists for the axis and would call the x coord trafo function and then work with the returning value.
What do you think?
I have found a way to check for x coord trafo using \pgfkeysifdefined{/pgfplots/x coord trafo/.@cmd}{}{}, but I don't know how to execute this function from within tikzlibrarypgfplots.statistics.code.tex with the ##1 parameter.
I have tried \pgfkeysvalueof{/pgfplots/x coord trafo/.@cmd}}{##1} but it gives an error.
Thank you.
The attempt below seems to work.
Update: To be a serious patch, library dateplot can turn on some boolean whose value is tested in the central pgfplots.code.tex and library files. Currently dateplot is incompatible with many pgfplots components, see https://github.com/pgf-tikz/pgfplots/labels/dateplot.
Notable changes:
- Added a new key handler
/.date to julianand hence changeddraw position=2013-06-01todraw position/.date to julian=2013-06-01. - Patched key
/pgfplots/date coordinates inso when it's passed an fpu float instead of a date, the float is converted to date.-
Relevant
git diff(if it's preferable)diff --git a/tex/generic/pgfplots/libs/tikzlibrarypgfplots.dateplot.code.tex b/tex/generic/pgfplots/libs/tikzlibrarypgfplots.dateplot.code.tex index e485978..af33720 100644 --- a/tex/generic/pgfplots/libs/tikzlibrarypgfplots.dateplot.code.tex +++ b/tex/generic/pgfplots/libs/tikzlibrarypgfplots.dateplot.code.tex @@ -169,6 +169,16 @@ \pgfkeysdef{/pgfplots/#1 coord trafo}{% \begingroup \edef\pgfplotstempjuliandate{##1}% + % convert float to julian date + \expandafter\pgfutil@in@\expandafter Y\expandafter{\pgfplotstempjuliandate}% + \ifpgfutil@in@ + \pgfmathfloattofixed{\pgfplotstempjuliandate}% + % quick \pgfmathfloatround@ + \pgfkeysvalueof{/pgf/number format/precision/.@cmd}0\pgfeov + \pgfmathroundto{\pgfmathresult}% + \pgfcalendarjuliantodate{\pgfmathresult}{\year}{\month}{\day}% + \edef\pgfplotstempjuliandate{\year-\month-\day}% + \fi % check if we also have a TIME like '2006-01-01 11:21' \expandafter\pgfutil@in@\expandafter:\expandafter{\pgfplotstempjuliandate}% \ifpgfutil@in@
-
- Changed
\nextgroupplot[boxplot draw direction=y]to\nextgroupplot[boxplot/draw direction=y]because I can only find key/pgfkeys/boxplot/draw direction.
\documentclass[12pt]{article}
\usepackage{pgfplots}
\pgfplotsset{compat=1.18}
\usepgfplotslibrary{dateplot, groupplots, statistics}
\usepackage{pgfcalendar}
\usepackage{xpatch}
\makeatletter
% defined in tikzlibrarypgfplots.dateplot.code.tex
\pgfkeysgetvalue{/pgfplots/date coordinates in/.@cmd}{\pgfkeys@code}
\xpatchcmd\pgfkeys@code
{%
\expandafter\pgfutil@in@\expandafter:\expandafter{\pgfplotstempjuliandate}%
}
{%
\expandafter\pgfutil@in@\expandafter Y\expandafter{\pgfplotstempjuliandate}%
\ifpgfutil@in@
% convert float to fixed number, then to integer, finally to date
\begingroup
\pgfmathfloattofixed{\pgfplotstempjuliandate}%
% quick \pgfmathfloatround@
\pgfkeysvalueof{/pgf/number format/precision/.@cmd}0\pgfeov
\pgfmathroundto{\pgfmathresult}%
\pgfcalendarjuliantodate{\pgfmathresult}{\year}{\month}{\day}%
\edef\pgfplotstempjuliandate{\year-\month-\day}%
\pgfmath@smuggleone\pgfplotstempjuliandate
\endgroup
\fi
\expandafter\pgfutil@in@\expandafter:\expandafter{\pgfplotstempjuliandate}%
}
{}{\PatchFailed}
\pgfkeyslet{/pgfplots/date coordinates in/.@cmd}{\pgfkeys@code}
% new handler "/.date to julian"
\pgfkeys{
/handlers/.date to julian/.code={%
\pgfcalendardatetojulian{#1}\pgfcalendarcurrentjulian
\pgfkeysalso{\pgfkeyscurrentpath=\the\pgfcalendarcurrentjulian}%
}
}
\makeatother
\begin{document}
\begin{tikzpicture}
\begin{groupplot}[
group style={group size=1 by 1},
date coordinates in=x,
xmin=2013-01-01,
xmax=2013-12-01,
xticklabel style={rotate=90}
]
\nextgroupplot[boxplot/draw direction=y]
\addplot+[
boxplot prepared={
lower whisker=1, upper whisker=5, lower quartile=2, upper quartile=4, median=3,
draw position/.date to julian=2013-06-01
}] coordinates {};
\end{groupplot}
\end{tikzpicture}
\end{document}
OMG you fixed it!!!! Thank you so much!!!
Is there a way we can turn this into a patch? Is there anything I can contribute?
\documentclass[12pt]{article}
\usepackage{pgfplots}
\pgfplotsset{compat=1.18}
\usepgfplotslibrary{groupplots}
\usepgfplotslibrary{statistics}
\usepgfplotslibrary{dateplot}
\pgfplotsset{lua backend=true}
\usepackage{xpatch}
\makeatletter
% defined in tikzlibrarypgfplots.dateplot.code.tex
\pgfkeysgetvalue{/pgfplots/date coordinates in/.@cmd}{\pgfkeys@code}
\xpatchcmd\pgfkeys@code
{%
\expandafter\pgfutil@in@\expandafter:\expandafter{\pgfplotstempjuliandate}%
}
{%
\expandafter\pgfutil@in@\expandafter Y\expandafter{\pgfplotstempjuliandate}%
\ifpgfutil@in@
% convert float to fixed number, then to integer, finally to date
\begingroup
\pgfmathfloattofixed{\pgfplotstempjuliandate}%
% quick \pgfmathfloatround@
\pgfkeysvalueof{/pgf/number format/precision/.@cmd}0\pgfeov
\pgfmathroundto{\pgfmathresult}%
\pgfcalendarjuliantodate{\pgfmathresult}{\year}{\month}{\day}%
\edef\pgfplotstempjuliandate{\year-\month-\day}%
\pgfmath@smuggleone\pgfplotstempjuliandate
\endgroup
\fi
\expandafter\pgfutil@in@\expandafter:\expandafter{\pgfplotstempjuliandate}%
}
{}{\PatchFailed}
\pgfkeyslet{/pgfplots/date coordinates in/.@cmd}{\pgfkeys@code}
% new handler "/.date to julian"
\pgfkeys{
/handlers/.date to julian/.code={%
\pgfcalendardatetojulian{#1}\pgfcalendarcurrentjulian
\pgfkeysalso{\pgfkeyscurrentpath=\the\pgfcalendarcurrentjulian}%
}
}
\makeatother
\begin{document}
\begin{figure}
\begin{tikzpicture}
\begin{axis}[
group style={
group size=1 by 1,
},
ymin={0},
ymax={10},
xmin={2020-01-01},
xmax={2022-01-01},
boxplot/draw direction=y,
boxplot/box extend=100,
boxplot/draw position/.date to julian={2021-02-02},
% use fpu=false,
date coordinates in=x,
date ZERO={2020-01-01},
xtick={2020-01-01, 2021-01-01, 2022-01-01}
]
\addplot+[
boxplot prepared={
lower whisker=1.1,
upper whisker=5.1,
lower quartile=2.1,
upper quartile=4.1,
median=3.1,
},
blue, mark=x
] coordinates {
% coords will always be printed on top of the boxplot
(0, 1)
(0, 2)
(0, 9)
};
\addplot[red, mark=x] coordinates {
(2020-01-01, 5)
(2020-06-01, 5)
(2021-01-01, 5)
};
\end{axis}
\end{tikzpicture}
\end{figure}
\end{document}
Is there a way we can turn this into a patch?
Unfortunately the attempt in my previous comment is not qualified as a patch. It is incomplete (date with time is not supported), the if-float test (if the value contains Y) is fragile, and there still exists many more incompatibilities between dateplot library and other pgfplots components, for example keys that accept a full or axis-specific coordinate.
This issue did report a representitave compatibility problem between pgfplots libraries, so I'll reopen it to keep a track of bugs.