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<p class="MsoNormal">I asked a similar question awhile ago .. I don’t think it’s possible …<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Steve<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Kst <kst-bounces@kde.org> <b>On Behalf Of </b>Bill Gee<br>
<b>Sent:</b> Saturday, February 15, 2020 10:40 AM<br>
<b>To:</b> kst@kde.org<br>
<b>Subject:</b> [EXTERNAL] Using dates on the X-axis<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-family:"Courier New"">I generate graphs every now and then which show a year of data. The data is temperature and water depth. It all works well, except that the x-axis is marked in days since zero.
I would MUCH rather have the x-axis show actual dates. It would be enough to show the first of each month. There are 35000 data points in each graph, so showing every date would not work!<o:p></o:p></span></p>
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<span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">So far I have not found a way to do this. Can anyone give me any clues?<o:p></o:p></span></p>
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<span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">KST version = 2.0.8 (from Fedora repository)<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">Fedora 31, 64-bit<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">Qt = 4.8.7<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">KDE = whatever version installs to Fedora 31<o:p></o:p></span></p>
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<span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">A short sample of the input data file:<o:p></o:p></span></p>
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<span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">===============<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New";color:black;background:white">Date,Water Pressure,Barometric Pressure,Water Depth,Temperature
</span><span style="font-family:"Courier New""><br>
01/01/19 00:00:00,14.7982,14.3716,0.869,53.623 <br>
01/01/19 00:30:00,14.8026,14.379,0.863,53.623 <br>
01/01/19 01:00:00,14.8028,14.3821,0.857,53.798 <br>
01/01/19 01:30:00,14.8092,14.3938,0.846,53.798 <br>
01/01/19 02:00:00,14.8223,14.4057,0.849,53.798 <br>
01/01/19 02:30:00,14.8288,14.4162,0.841,53.798 <br>
01/01/19 03:00:00,14.8246,14.4162,0.832,53.973 <br>
01/01/19 03:30:00,14.8289,14.4191,0.835,53.973 <br>
01/01/19 04:00:00,14.8246,14.4176,0.829,53.973 <br>
01/01/19 04:30:00,14.8289,14.425,0.823,53.973 <br>
01/01/19 05:00:00,14.8336,14.431,0.820,54.147 <br>
01/01/19 05:30:00,14.8379,14.4368,0.817,54.147 <br>
01/01/19 06:00:00,14.8465,14.4472,0.813,54.147 <br>
01/01/19 06:30:00,14.853,14.4532,0.815,54.147 <br>
01/01/19 07:00:00,14.8596,14.4606,0.813,54.147 <br>
01/01/19 07:30:00,14.8661,14.4739,0.799,54.147 <br>
01/01/19 08:00:00,14.8748,14.4798,0.805,54.147 <br>
01/01/19 08:30:00,14.8771,14.4901,0.788,54.322 <br>
01/01/19 09:00:00,14.8793,14.4946,0.784,54.322 <br>
01/01/19 09:30:00,14.888,14.5035,0.783,54.322<br>
================<br>
<br>
In the data wizard, I specify the first line of the file as field names. In "Date/Time Interpretation" I set<o:p></o:p></span></p>
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<span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">Interpret Field = Date<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">Formatted String = MM/dd/yy hh:mm:ss<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">Offset = Relative, 0.00 seconds<o:p></o:p></span></p>
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<span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">In the window for editing a graph, under X-Axis I have tried every combination I can think of for date interpretation and display format.
None of them produce what I want.<o:p></o:p></span></p>
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<span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">Thanks!<br>
-- <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-family:"Courier New"">Bill Gee<o:p></o:p></span></p>
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<span style="font-family:"Courier New""> <o:p></o:p></span></p>
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<span style="font-family:"Courier New""> <o:p></o:p></span></p>
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