[Kst] [Bug 234403] New: Equation is corrupted upon changing data file
arwalker at sumusltd.com
Thu Apr 15 02:41:19 CEST 2010
Summary: Equation is corrupted upon changing data file
Platform: Compiled Sources
AssignedTo: kst at kde.org
ReportedBy: arwalker at sumusltd.com
Version: 1.7.0 (using KDE 4.4.2)
Installed from: Compiled From Sources
The following was submitted to kst.kde.org by email:
I defined some equations which calculate the resistance of an NTC temperature
sensor from the raw data reading which is a voltage. The equation looks like
where Channel0 is the voltage reading, Channel5 the reference voltage (also
logged) and Rref a scalar.
Now when I change the data file all equations get corrupted. The above looks
like this after changing to the new data file:
so Channel0 is simply missing.
Interestingly the data show up right in all plots so when reading the data file
everything seems to be calculated right.
The problem is when I save the kst file all equations are lost as they are not
valid expressions and are not saved to the kst file. When I reload the kst file
after saving with corrupted equations the equations are simply empty.
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