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IDProjectCategoryView StatusDate SubmittedLast Update
0008692ParaViewBugpublic2009-03-06 12:422011-01-13 17:00
ReporterAlan Scott 
Assigned ToUtkarsh Ayachit 
PriorityhighSeverityminorReproducibilityalways
StatusclosedResolutionfixed 
PlatformOSOS Version
Product Version 
Target Version3.6.2Fixed in Version3.6.2 
Summary0008692: (Venus - Medium) Log plots with zero data doesn't work.
DescriptionWhen doing log plots of data with a zero and negative data, ParaView just presents a plot without the log scale.

There should be a user selectable option in the display tab to ignore any data that is zero or less (i.e., illegal).

open disk_out_ref.exo.
calculator. output is badData, formula is Temp-400.
plot over line, z axis. apply.
Left axis, log scale.
Display tab, only display by badData. There should be an option to display data as log, and ignore 0 and negative.

What would really be nice is if you could make a user input threashold, that all data less than this is ignored.
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  Notes
(0017350)
Utkarsh Ayachit (administrator)
2009-09-08 17:20

Alan,

There's already a mechanism to specify the range for the axes. In the View Settings dialog for the axes, after clicking the "Use logarithmic scale" checkbox, select, "Specify the Axis Range" radio button, then specify a range eg. [0.001, 600] and you'll see that you can plot the badData as expected. Does that suffice? Is this is matter of just documenting it better?
(0017352)
Alan Scott (manager)
2009-09-08 18:47

Lets consider this an acceptable option.

How about modifying the error box that comes up to be clearer? For instance, it currently says: "Warning: Invalid range for a logarithmic scale. Please select a range greater than zero. "

How about the following: "Warning: Invalid range for a logarithmic scale. For this axis, please select "Specify the Axis Range", and supply a Minimum value greater than zero. " or somesuch verbiage.

Then, mark this bug resolved.
(0017353)
Alan Scott (manager)
2009-09-08 18:47

Back to you.
(0017355)
Utkarsh Ayachit (administrator)
2009-09-09 09:38

This is tough one! :). The error comes from VTK. Now VTK does not have the notion of "Specify Axis Range" etc. so it wouldn't make sense to report such an error in VTK. How about:

"Warning: Invalid range for a logarithmic scale. Please specify a range with minimum value greater than 0 for this axis."
(0017398)
Alan Scott (manager)
2009-09-11 19:17

Your verbiage is fine. Lets use it.
(0017683)
Utkarsh Ayachit (administrator)
2009-09-21 16:01

/cvsroot/ParaView3/ParaView3/VTK/GUISupport/Qt/Chart/vtkQtChartAxis.cxx,v <-- VTK/GUISupport/Qt/Chart/vtkQtChartAxis.cxx
new revision: 1.9.2.3; previous revision: 1.9.2.2


/cvsroot/ParaView3/ParaView3/VTK/GUISupport/Qt/Chart/vtkQtChartAxis.cxx,v <-- VTK/GUISupport/Qt/Chart/vtkQtChartAxis.cxx
new revision: 1.13; previous revision: 1.12
(0017722)
Alan Scott (manager)
2009-09-22 22:10

Tested local server, trunk.

 Issue History
Date Modified Username Field Change
2009-03-06 12:42 Alan Scott New Issue
2009-03-11 16:48 Ken Moreland Category 3.6 => 3.8
2009-05-13 13:39 Utkarsh Ayachit Target Version => 3.8
2009-08-24 16:25 Alan Scott Category => Bug
2009-08-24 16:25 Alan Scott Target Version 3.8 => 3.6.2
2009-09-08 17:02 Alan Scott Priority normal => high
2009-09-08 17:20 Utkarsh Ayachit Note Added: 0017350
2009-09-08 17:20 Utkarsh Ayachit Status backlog => @20@
2009-09-08 18:47 Alan Scott Note Added: 0017352
2009-09-08 18:47 Alan Scott Note Added: 0017353
2009-09-08 18:47 Alan Scott Assigned To => Utkarsh Ayachit
2009-09-08 18:47 Alan Scott Status @20@ => tabled
2009-09-09 09:38 Utkarsh Ayachit Note Added: 0017355
2009-09-09 09:38 Utkarsh Ayachit Status tabled => @20@
2009-09-11 19:17 Alan Scott Note Added: 0017398
2009-09-11 19:17 Alan Scott Status @20@ => tabled
2009-09-21 16:01 Utkarsh Ayachit Note Added: 0017683
2009-09-21 16:01 Utkarsh Ayachit Status tabled => @80@
2009-09-21 16:01 Utkarsh Ayachit Fixed in Version => 3.6.2
2009-09-21 16:01 Utkarsh Ayachit Resolution open => fixed
2009-09-22 22:10 Alan Scott Note Added: 0017722
2009-09-22 22:10 Alan Scott Status @80@ => closed
2011-01-13 17:00 Source_changeset_attached => VTK master a2bd8391
2011-01-13 17:00 Source_changeset_attached => VTK master 020ef709


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