https://bugs.freedesktop.org/show_bug.cgi?id=82584
Priority: medium
Bug ID: 82584
Assignee: [email protected]
Summary: CHART: No Option to Use Logarithmic Visual Scale
Display Data with Zero or Negative Values
Severity: normal
Classification: Unclassified
OS: Windows (All)
Reporter: [email protected]
Hardware: Other
Status: UNCONFIRMED
Version: 4.3.0.4 release
Component: Chart
Product: LibreOffice
Created attachment 104587
--> https://bugs.freedesktop.org/attachment.cgi?id=104587&action=edit
screen shot of sample chart and pop up box
1. Create scatterplot chart with numeric x axis with at least one x value of
zero or less. (see attached screenshot)
2. Right click x axis to format axis.
3. In dialog box Scale --> check box Logarithmic Scale
4. Manually change the minimum x-scale from 1 to 0 (so that it displays the
data on the chart).
*EXPECTED* RESULT: LO should keep the same relative logarithmic scale as when
the minimum axis value is 1, but shift absolute values so that a value of 0
would be displayed in the position that 1 previously was displayed, a value of
4 in the location where 5 previously was displayed,etc. In this way, the
visual gaps of out of range values can be eliminated in the chart (what
logarithmic scale is useful to do), while being faithful to correct absolute
data values.
ACTUAL RESULT: (BUG) LO pops up error message saying that logarithmic chart
cannot display values of zero or lower. (See screenshot). This means that
logarithmic scale cannot be used to display data that includes 0 values or
lower.
LO should be able to display values of zero or lower on logarithmic *visual*
scale. LO should be able to create this visual effect regardless of the
absolute values, by calculating the visual effect using a variable
axis-intercept (adding or subtracting from absolute values to produce visual
effect). An artful solution would give user granular control of logarithmic
slope and intercept through dialog box (although that would involve more than
check box).
--
You are receiving this mail because:
You are the assignee for the bug.
_______________________________________________
Libreoffice-bugs mailing list
[email protected]
http://lists.freedesktop.org/mailman/listinfo/libreoffice-bugs
