Bug 56580 - logarithmic graph Y error shows as a diagonal line when apply negative error values
Summary: logarithmic graph Y error shows as a diagonal line when apply negative error ...
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Chart (show other bugs)
(earliest affected) release
Hardware: Other All
: high normal
Assignee: Not Assigned
Whiteboard: BSA
Depends on:
Blocks: Chart
  Show dependency treegraph
Reported: 2012-10-30 11:47 UTC by stephanfrye
Modified: 2020-05-23 03:43 UTC (History)
1 user (show)

See Also:
Crash report or crash signature:

Sample graph showing diagonal negative error bar (3.94 KB, image/png)
2012-10-30 12:53 UTC, stephanfrye
testcase (11.92 KB, application/vnd.oasis.opendocument.spreadsheet)
2013-05-30 18:59 UTC, Jorendc

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Description stephanfrye 2012-10-30 11:47:54 UTC
Problem description: 
Diagonal Y error bar

Steps to reproduce:
1. make column diagram
2. logarithmic Y axis
3. set value for the negative Y-error greater than the Y-value

Current behavior:
negative error bar starts in the upper left corner

Expected behavior:
error bar goes into negative area

Platform (if different from the browser): 
Browser: Opera/9.80 (Windows NT 5.1; U; de) Presto/2.10.289 Version/12.02
Comment 1 stephanfrye 2012-10-30 12:53:09 UTC
Created attachment 69304 [details]
Sample graph showing diagonal negative error bar
Comment 2 Jorendc 2013-05-30 18:33:51 UTC

Thanks for reporting. I did some tests and I can reproduce your behavior.

Some more detailed steps:
* Open Calc
* Type some values in rows and columns
* select values and create a regular bar chart of it (just skip all steps of creating one)
* Double click on your chart
* Format > Axis > Y
* Go to tab 'scale'
* check 'logaritmic scale' -> OK

* Insert > Y Error Bars
* 'Constant Value' and make sure you set 'Negative (-)' value quite high
* Ok

Deselect chart (if necessary)

Result: just a line, no chart. If you select the line and double click on it, a chart will be displayed again.

Tested using Linux Mint 15 x64 with LibreOffice Version:
Build ID: fa3d5ca1f99fe253689004a45ec2888ebbe85fd

Kind regards,
Comment 3 Jorendc 2013-05-30 18:59:07 UTC
Created attachment 80064 [details]
Comment 4 QA Administrators 2015-06-08 14:42:04 UTC Comment hidden (obsolete)
Comment 5 Buovjaga 2015-06-21 18:51:33 UTC
(In reply to Jorendc from comment #3)
> Created attachment 80064 [details]
> testcase


Win 7 Pro 64-bit Version:
Build ID: 3ecef8cedb215e49237a11607197edc91639bfcd
TinderBox: Win-x86@62-merge-TDF, Branch:MASTER, Time: 2015-06-19_23:16:58
Locale: fi-FI (fi_FI)
Comment 6 QA Administrators 2016-09-20 10:10:37 UTC Comment hidden (obsolete)
Comment 7 wim.burmeister@ibs.fr 2016-10-20 05:40:05 UTC
The bug still persists in version 5.2.2.
Tested on Windows

Using logarithmic y scale, negative values of the error bar provokes diagonal lines, graph collapses to diagonal line when not selected.

Same problem as Bug 86407. 

Under linux graph draws correctly but collapses to diagonal line when not selected.
Comment 8 QA Administrators 2017-10-23 14:04:28 UTC Comment hidden (obsolete)
Comment 9 QA Administrators 2020-05-23 03:43:08 UTC
Dear stephanfrye,

To make sure we're focusing on the bugs that affect our users today, LibreOffice QA is asking bug reporters and confirmers to retest open, confirmed bugs which have not been touched for over a year.

There have been thousands of bug fixes and commits since anyone checked on this bug report. During that time, it's possible that the bug has been fixed, or the details of the problem have changed. We'd really appreciate your help in getting confirmation that the bug is still present.

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