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pgfplots: How to force datetime to only display xticks with even times (18:00) instead of odd times (18:34)?

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1

Assumed we have the following plot from user darthbith to display a pgfplot with a time axis:

---

Minimum Working Example (MWE):

documentclassstandalone
usepackagepgfplots
usepgfplotslibrarydateplot, statistics
pgfplotssetcompat=newest

usepackagefilecontents

beginfilecontents*data.txt
 no, date, value
 1, 2015-09-13 21:00:00, 922
 2, 2015-09-13 22:00:00, 3993
 3, 2015-09-13 23:00:00, 3003
 4, 2015-09-14 00:00:00, 991
 5, 2015-09-14 01:00:00, 2021
 6, 2015-09-14 02:00:00, 841
 7, 2015-09-14 03:00:00, 2812
 8, 2015-09-14 14:00:00, 991
 9, 2015-09-14 15:00:00, 231
 10, 2015-09-14 16:00:00, 678
endfilecontents*

begindocument

begintikzpicture

beginaxis[ xlabel=Time,
 ylabel=Value,
 date coordinates in=x,
 table/col sep=comma,
 date ZERO=2015-09-13,
 xticklabel=hour:minute,
 xticklabel style=rotate=90, anchor=near xticklabel, ]

 addplot+[no markers] table[x=date,y=value] data.txt;
endaxis

endtikzpicture

enddocument

---

Screenshot of the result:

---

Description of the issue:

As you can see, the x-axis has displayed very odd xticks.

How can I force pgfplots to only display even xticks, e.g. nice times like 19:00, 20:00 etc. instead of those unhappy odd random times like 19:12?

---

I know that I could simply use an approach to only show desired xticks via

• 
  xticks = 20:00, 21:00
  and


• 
  xtick label = 20:00, 21:00,

however - this is causing a lot of work in case you have longer time spans containing many values. I guess it is possible to force pgfplots to display only even time numbers by itself anyhow?

tikz-pgf pgfplots datetime axis ticks

share

asked 7 mins ago

DaveDave

903619

add a comment | 

1

Assumed we have the following plot from user darthbith to display a pgfplot with a time axis:

---

Minimum Working Example (MWE):

documentclassstandalone
usepackagepgfplots
usepgfplotslibrarydateplot, statistics
pgfplotssetcompat=newest

usepackagefilecontents

beginfilecontents*data.txt
 no, date, value
 1, 2015-09-13 21:00:00, 922
 2, 2015-09-13 22:00:00, 3993
 3, 2015-09-13 23:00:00, 3003
 4, 2015-09-14 00:00:00, 991
 5, 2015-09-14 01:00:00, 2021
 6, 2015-09-14 02:00:00, 841
 7, 2015-09-14 03:00:00, 2812
 8, 2015-09-14 14:00:00, 991
 9, 2015-09-14 15:00:00, 231
 10, 2015-09-14 16:00:00, 678
endfilecontents*

begindocument

begintikzpicture

beginaxis[ xlabel=Time,
 ylabel=Value,
 date coordinates in=x,
 table/col sep=comma,
 date ZERO=2015-09-13,
 xticklabel=hour:minute,
 xticklabel style=rotate=90, anchor=near xticklabel, ]

 addplot+[no markers] table[x=date,y=value] data.txt;
endaxis

endtikzpicture

enddocument

---

Screenshot of the result:

---

Description of the issue:

As you can see, the x-axis has displayed very odd xticks.

How can I force pgfplots to only display even xticks, e.g. nice times like 19:00, 20:00 etc. instead of those unhappy odd random times like 19:12?

---

I know that I could simply use an approach to only show desired xticks via

• 
  xticks = 20:00, 21:00
  and


• 
  xtick label = 20:00, 21:00,

however - this is causing a lot of work in case you have longer time spans containing many values. I guess it is possible to force pgfplots to display only even time numbers by itself anyhow?

tikz-pgf pgfplots datetime axis ticks

share

asked 7 mins ago

DaveDave

903619

add a comment | 

Assumed we have the following plot from user darthbith to display a pgfplot with a time axis:

---

Minimum Working Example (MWE):

documentclassstandalone
usepackagepgfplots
usepgfplotslibrarydateplot, statistics
pgfplotssetcompat=newest

usepackagefilecontents

beginfilecontents*data.txt
 no, date, value
 1, 2015-09-13 21:00:00, 922
 2, 2015-09-13 22:00:00, 3993
 3, 2015-09-13 23:00:00, 3003
 4, 2015-09-14 00:00:00, 991
 5, 2015-09-14 01:00:00, 2021
 6, 2015-09-14 02:00:00, 841
 7, 2015-09-14 03:00:00, 2812
 8, 2015-09-14 14:00:00, 991
 9, 2015-09-14 15:00:00, 231
 10, 2015-09-14 16:00:00, 678
endfilecontents*

begindocument

begintikzpicture

beginaxis[ xlabel=Time,
 ylabel=Value,
 date coordinates in=x,
 table/col sep=comma,
 date ZERO=2015-09-13,
 xticklabel=hour:minute,
 xticklabel style=rotate=90, anchor=near xticklabel, ]

 addplot+[no markers] table[x=date,y=value] data.txt;
endaxis

endtikzpicture

enddocument

---

Screenshot of the result:

---

Description of the issue:

As you can see, the x-axis has displayed very odd xticks.

How can I force pgfplots to only display even xticks, e.g. nice times like 19:00, 20:00 etc. instead of those unhappy odd random times like 19:12?

---

I know that I could simply use an approach to only show desired xticks via

• 
  xticks = 20:00, 21:00
  and


• 
  xtick label = 20:00, 21:00,

however - this is causing a lot of work in case you have longer time spans containing many values. I guess it is possible to force pgfplots to display only even time numbers by itself anyhow?

tikz-pgf pgfplots datetime axis ticks

share

asked 7 mins ago

DaveDave

903619

documentclassstandalone
usepackagepgfplots
usepgfplotslibrarydateplot, statistics
pgfplotssetcompat=newest

usepackagefilecontents

beginfilecontents*data.txt
 no, date, value
 1, 2015-09-13 21:00:00, 922
 2, 2015-09-13 22:00:00, 3993
 3, 2015-09-13 23:00:00, 3003
 4, 2015-09-14 00:00:00, 991
 5, 2015-09-14 01:00:00, 2021
 6, 2015-09-14 02:00:00, 841
 7, 2015-09-14 03:00:00, 2812
 8, 2015-09-14 14:00:00, 991
 9, 2015-09-14 15:00:00, 231
 10, 2015-09-14 16:00:00, 678
endfilecontents*

begindocument

begintikzpicture

beginaxis[ xlabel=Time,
 ylabel=Value,
 date coordinates in=x,
 table/col sep=comma,
 date ZERO=2015-09-13,
 xticklabel=hour:minute,
 xticklabel style=rotate=90, anchor=near xticklabel, ]

 addplot+[no markers] table[x=date,y=value] data.txt;
endaxis

endtikzpicture

enddocument

share

asked 7 mins ago

DaveDave

903619

share

asked 7 mins ago

DaveDave

903619

asked 7 mins ago

DaveDave

903619

asked 7 mins ago

DaveDave

903619