MantisBT - VTK
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IDProjectCategoryView StatusDate SubmittedLast Update
0013218VTK(No Category)public2012-06-03 02:282013-06-26 07:44
ReporterdennisHu 
Assigned ToDavid C. Lonie 
PrioritynormalSeverityminorReproducibilityhave not tried
StatusclosedResolutionfixed 
PlatformOSOS Version
Product Version5.8.0 
Target VersionFixed in Version6.0.1 
ProjectTBD
Typeincorrect functionality
Summary0013218: vtkTextActor will render very tiny wrong block if empty string/space is set as the input
DescriptionDetected this issue in VTK 5.10, i guess it is old issue related to 0010905
When empty string("")/space(" ") is set as vtkTextActor Input, got some error report as "No scalar values found for texture input!" from vtkOpenGLTexture.
I discovered there is some tiny block rendered on the screen.

I think the simple fix is not render vtkTextActor if Texture input data is empty(0).
Maybe better approach is correct some image data in vtkFreeTypeUtilities.
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Issue History
Date ModifiedUsernameFieldChange
2012-06-03 02:28dennisHuNew Issue
2013-06-25 16:30Dave DeMarleAssigned To => David C. Lonie
2013-06-25 16:30Dave DeMarleStatusbacklog => tabled
2013-06-26 07:40guestNote Added: 0031081
2013-06-26 07:40guestStatustabled => closed
2013-06-26 07:40guestResolutionopen => fixed
2013-06-26 07:40guestFixed in Version => 6.0.1
2013-06-26 07:42David C. LonieNote Added: 0031082
2013-06-26 07:42David C. LonieStatusclosed => backlog
2013-06-26 07:42David C. LonieResolutionfixed => reopened
2013-06-26 07:44David C. LonieStatusbacklog => tabled
2013-06-26 07:44David C. LonieResolutionreopened => fixed
2013-06-26 07:44David C. LonieStatustabled => closed

Notes
(0031081)
guest   
2013-06-26 07:40   
This bug is no longer present since the switch to vtkFreeTypeTools/vtkTextRenderer.
(0031082)
David C. Lonie   
2013-06-26 07:42   
Oops -- I accidentally closed this while not logged in. Just adding a note to say that it was me.