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https://git.dev.opencascade.org/repos/occt.git
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f751596e46
Redesign of selection mechanism: - implemented 3-level BVH tree for selection; - selection now calculates in 3D space; - intersection tests were moved to SelectMgr_BaseFrustum descendants; - removed .cdl files in Select3D and .cdl related to selection in MeshVS; - SelectMgr_ViewerSelectors are now shared between local and global contexts; - transformations of sensitive entities are now stored in SelectMgr_SelectableObject only. Sensitive entities are independent from transformations, it is applied to SelectMgr_SelectingVolumeManager instance only; - connected and multiple connected interactive objects are now represented by their child objects only for SelectMgr_SelectionManager; - if interactive object has child objects, they will be stored as separate objects in SelectMgr_SelectionManager now. - test cases bugs/vis/bug24623_1, bug24623_2, bug24623_3, bug24623_4 to test performance and memory issues.
75 lines
1.7 KiB
Plaintext
75 lines
1.7 KiB
Plaintext
puts "============"
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puts "OCC24623_2"
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puts "============"
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puts ""
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#######################################################################
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puts "Visualization - improve selection mechanism"
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# tests performance of selection algorithm. Creates a spiral via polyline
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# and checks its selection in neutral point. For representative result,
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# increase the number of points in POINTS_NUM and check time measurments
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# in comparsion to previous OCCT versions.
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#######################################################################
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set POINTS_NUM 1000
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set STEP 0.3
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pload ALL
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set aCoef 0.2
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set aZ 0
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# unset aPointCoords
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list aPointCoords
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for {set i 0} {$i < $POINTS_NUM} {incr i} {
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set aX [expr $aCoef * $aZ * cos($aZ)]
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set aY [expr $aCoef * $aZ * sin($aZ)]
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set aZ [expr $aZ + $STEP]
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lappend aPointCoords $aX
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lappend aPointCoords $aY
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lappend aPointCoords $aZ
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}
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vinit
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set aMemInit [meminfo h]
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puts "Initial mem: [expr $aMemInit / (1024 * 1024)] MiB ([expr $aMemInit])"
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polyline p {*}$aPointCoords
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vdisplay p
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vfit
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puts "Selection time before the transformations:"
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chrono aTimer reset
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chrono aTimer start
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vmoveto 223 236
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chrono aTimer stop
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chrono aTimer show
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vmoveto 0 0
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chrono aTimer reset
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chrono aTimer start
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vmoveto 223 236
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chrono aTimer stop
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chrono aTimer show
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puts ""
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puts "Applying transformations..."
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vtranslateview 1 0 0
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vrotate 100 100 100
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puts ""
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puts "Selection time after the transformations:"
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chrono aTimer reset
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chrono aTimer start
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vmoveto 115 160
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chrono aTimer stop
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chrono aTimer show
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vmoveto 0 0
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chrono aTimer reset
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chrono aTimer start
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vmoveto 115 160
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chrono aTimer stop
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chrono aTimer show
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set aMemSel [meminfo h]
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puts "Selection mem: [expr $aMemSel / (1024 * 1024)] MiB ([expr $aMemSel])"
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checkcolor 131 195 0 1 1
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