MantisBT - Bender
View Issue Details
IDProjectCategoryView StatusDate SubmittedLast Update
0013777BenderWeight Modulespublic2012-12-05 08:452013-04-02 14:28
ReporterJulien Finet 
Assigned ToYuanxin Liu 
PrioritynormalSeverityminorReproducibilitysometimes
StatusclosedResolutionfixed 
PlatformOSOS Version
Product Version 
Target Version1.0Fixed in Version1.0 
Summary0013777: Holes in results with Evaluate Weight
DescriptionThe Evaluation of the weights on the surface creates holes of weight.
Blue spots have a weight of 0. Lerp produces errors for those points.
Steps To ReproduceCreate an armature for the left arm (Armatures module)
Compute weight for each bone (Armature Weight module)
Evaluate weights on the skin surface (Evaluate Weight module)
Save output model as vtk file
Open Paraview to visualize the result
In display tab, turn the "Color by" to weight_1
Additional InformationAssert/Crash when "Surface vertices to evaluate at" spreads outside the region of the weight volumes.
TagsNo tags attached.
Relationships
related to 0014025closed johan andruejol Detach hand voxels from spine voxels 
Attached Filespng EvaluateWeight-Holes.png (118,171) 2012-12-05 09:55
https://public.kitware.com/Bug/file/4583/EvaluateWeight-Holes.png
png
Issue History
Date ModifiedUsernameFieldChange
2012-12-05 08:45Julien FinetNew Issue
2012-12-05 08:45Julien FinetStatusnew => assigned
2012-12-05 08:45Julien FinetAssigned To => Yuanxin Liu
2012-12-05 09:55Julien FinetFile Added: EvaluateWeight-Holes.png
2012-12-05 09:56Julien FinetDescription Updatedbug_revision_view_page.php?rev_id=966#r966
2012-12-05 10:12Julien FinetNote Added: 0031830
2012-12-06 15:09Julien FinetNote Added: 0031847
2012-12-07 11:32Yuanxin LiuNote Added: 0031851
2012-12-09 17:47Yuanxin LiuNote Added: 0031860
2012-12-09 17:47Yuanxin LiuStatusassigned => resolved
2012-12-09 17:47Yuanxin LiuResolutionopen => fixed
2013-01-17 17:53Julien FinetFixed in Version => 0.1
2013-03-04 08:44Julien FinetStatusresolved => closed
2013-03-04 08:44Julien FinetFixed in Version0.1 => 1.0
2013-03-18 17:12Julien FinetRelationship addedrelated to 0014025
2013-04-02 14:28Julien FinetTarget Version => 1.0

Notes
(0031830)
Julien Finet   
2012-12-05 10:12   
For the crashes, please review: https://github.com/finetjul/bender/commits/13777-evaluate-weight-out-of-bounds-crash [^]
(0031847)
Julien Finet   
2012-12-06 15:09   
See arm.tar.gz on nas3
(0031851)
Yuanxin Liu   
2012-12-07 11:32   
The crash issue is resolved in the heat-diffusion branch of git@github.com:kitleo/bender.git

Your github changes have been pulled in as well.
(0031860)
Yuanxin Liu   
2012-12-09 17:47   
A new option "Padding" is added to ArmatureWeight. The default is Padding=1. With Padding>=1, we should no longer see holes in the weight interpolated over the outer surface.