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IDProjectCategoryView StatusDate SubmittedLast Update
0030223Open CASCADE[OCCT] OCCT:Visualizationpublic2018-10-09 16:402018-10-15 12:30
Reporterkgv 
Assigned Topdn 
PrioritynormalSeverityminor 
StatusassignedResolutionopen 
PlatformOSOS Version
Product Version[OCCT] 6.8.0 
Target Version[OCCT] 7.4.0*Fixed in Version 
Summary0030223: Visualization, TKOpenGl - frustum culling does not clip objects within perspective camera
DescriptionWithin test script below which uses perspective projection,
frustum culling has no effect (all structures are rendered),
although it is clearly seen that 3 points at right side (pr1, pr2, pr3)
are far behind camera frustum.
Steps To Reproduce
pload MODELING VISUALIZATION
vclear
vinit View1 -width 800 -height 400
vdrawparray g trianglestrips v -97.9819 -175.225 -7.6706 v -97.9819  194.163 -7.6706 v 271.406  -175.225 
-7.6706 v 271.406   194.163 -7.6706

vpoint pl1  -4 -17  0
vpoint pl2  -4 -10 14
vpoint pl3   0  -6 17
vpoint pr1 179  17 39
vpoint pr2 174  -2 12
vpoint pr3 177   0 15
vfit
vrenderparams -perfCounters ALL -perfUpdateInterval -1

vcamera -persp
vviewparams -scale 5 -proj -0 -1 -0 -up 0 0 1 -at -157 9.5 19
vviewparams -scale 5 -proj -0 -1 -0 -up 0 0 1 -at -157 9.5 19
TagsNo tags attached.
Test case number
Attached Filespng file icon cull_KO.png (21,239 bytes) 2018-10-09 16:41

- Relationships
child of 0024307closedapn TKOpenGl - efficient culling of large number of presentations 

-  Notes
(0079956)
git (administrator)
2018-10-15 12:30

Branch CR30223_debug has been created by kgv.

SHA-1: b2fe622e57c73330cd4c09f07980690cb9f0551b


Detailed log of new commits:

Author: kgv
Date: Mon Oct 15 12:29:42 2018 +0300

    0030223: Visualization, TKOpenGl - frustum culling does not clip objects within perspective camera

Author: kgv
Date: Mon Sep 17 18:11:05 2018 +0300

    0030144: Visualization, TKOpenGl - extend OpenGl_FrameStats with frame timers

- Issue History
Date Modified Username Field Change
2018-10-09 16:40 kgv New Issue
2018-10-09 16:40 kgv Assigned To => kgv
2018-10-09 16:41 kgv File Added: cull_KO.png
2018-10-09 16:42 kgv Relationship added child of 0024307
2018-10-09 16:42 kgv Product Version 7.3.0 => 6.8.0
2018-10-09 16:42 kgv Description Updated View Revisions
2018-10-09 16:43 kgv Description Updated View Revisions
2018-10-09 17:00 kgv Assigned To kgv => pdn
2018-10-09 17:00 kgv Status new => assigned
2018-10-15 12:30 git Note Added: 0079956


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