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IDProjectCategoryView StatusDate SubmittedLast Update
0013769ParaView(No Category)public2013-01-05 19:332013-01-30 10:40
ReporterRuss Taylor 
Assigned ToAndy Bauer 
PrioritynormalSeverityminorReproducibilityhave not tried
StatusclosedResolutionfixed 
PlatformOSOS Version
Product Version3.98.0 
Target VersionFixed in Version3.98.1 
Summary0013769: Contour filter "Compute scalars" misbehaves
DescriptionAfter loading a data file with more than one data set in it (for example, the VTK file stored in http://www.cs.unc.edu/~taylorr/temp/Mcneil_CNTs.zip [^]), application of the contour filter does not allow me to click the "Compute Scalars" checkbox (it is grayed out). If I compute a range of values (Delete All/New Range) and Contour by "Result1", it does not carry Result1 into the output. Therefore, I cannot color the contours by the value I used to generate them.

Workaround shows another problem: If I use the Calculator on the original data set and make a Result1copy data set from Result1 and then Contour the output of the calculator by Result1, then it carries through Result1 and Result2 but not Result1copy. I would have expected it to keep Result2 and Result1copy. If I contour by Result1copy, it still carries through Result1 and Result2.

I'll add the workaround into my homework description for the class this semester, but it would be good if the checkbox was not grayed out so we could select the behavior that we usually want from this filter. It used to work in an older version.
TagsNo tags attached.
ProjectKitware
Topic Name13769_contour_polydata_scalars
Typeincorrect functionality
Attached Files

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  Notes
(0029994)
Andy Bauer (developer)
2013-01-07 12:37

 This fixes the issue of enabling the option to compute scalars. It does NOT fix the issue that with Compute Scalars unchecked that the arrays that are passed are independent of the array that is chosen to contour by. Although not intuitive from the GUI perspective, the behavior is proper in VTK in that SetInputArrayToProcess() is used to specify which array to use to contour while vtkDataSetAttributes separately allows a different array to be set as the active scalars which is used to determine which array to not pass through the filter.
(0030113)
Utkarsh Ayachit (administrator)
2013-01-11 14:43

 merged into master, where applicable.
(0030159)
Alan Scott (manager)
2013-01-16 22:03

 Linux, master, local server.

I confirmed that the first error has been fixed. Behavior is as stated as correct by Andy for the second issue.

 Issue History
Date Modified Username Field Change
2013-01-05 19:33 Russ Taylor New Issue
2013-01-06 11:48 Andy Bauer Assigned To => Andy Bauer
2013-01-06 11:49 Andy Bauer Status backlog => todo
2013-01-06 14:49 Andy Bauer Status todo => active development
2013-01-07 12:37 Andy Bauer Topic Name => 13769_contour_polydata_scalars
2013-01-07 12:37 Andy Bauer Note Added: 0029994
2013-01-07 12:37 Andy Bauer Status active development => gatekeeper review
2013-01-07 12:37 Andy Bauer Fixed in Version => git-next
2013-01-07 12:37 Andy Bauer Resolution open => fixed
2013-01-11 14:42 Utkarsh Ayachit Fixed in Version git-next => git-master
2013-01-11 14:43 Utkarsh Ayachit Status gatekeeper review => customer review
2013-01-11 14:43 Utkarsh Ayachit Note Added: 0030113
2013-01-16 22:03 Alan Scott Note Added: 0030159
2013-01-16 22:03 Alan Scott Status customer review => closed
2013-01-30 10:40 Utkarsh Ayachit Fixed in Version git-master => 3.98.1

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