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0029311: Implementation of the Oriented Bounding Boxes (OBB) functionality
1. The class Bnd_OBB has been created to describe the Oriented Bounding Box. 2. Several key methods have been implemented: Bnd_OBB::IsOut(...), Bnd_OBB::Add(...) and Bnd_OBB::Enlarge(...). 3. Interface of Bnd_Box class has changed. New methods have been created. See Bnd_Box.hxx for detailed information. 4. BRepBndLib and Draw_Box classes have been amended in order to provide correct work with Bnd_OBB class. 5. Interface of "bounding" DRAW-command has been changed. Please see help for detailed information. 6. New DRAW-command "isbbinterf" has been created. Please see help for detailed information. 7. "boundingstr" and "optbounding" DRAW-commands have been eliminated because their function can be made by "bounding" DRAW-command (e.g. see tests/bugs/vis/buc60857 or samples/tcl/snowflake.tcl test cases). 8. Documentation has been updated.
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@@ -41,11 +41,11 @@ tcopy bxx b10
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# make some boxes hollow
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for {set i 1} {$i <= 1} {incr i} {
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set dim [boundingstr b$i]
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set dx [expr [lindex $dim 3] - [lindex $dim 0]]
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set x1 [expr [lindex $dim 0] + 0.1 * $dx]
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set x2 [expr [lindex $dim 1] + 0.1 * $dx]
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set x3 [expr [lindex $dim 2] + 0.1 * $dx]
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set dim [bounding -s b$i -save xmin ymin zmin xmax ymax zmax]
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set dx [dval xmax-xmin]
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set x1 [dval xmin+0.1*$dx]
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set x2 [dval ymin+0.1*$dx]
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set x3 [dval zmin+0.1*$dx]
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box bc $x1 $x2 $x3 0.8*$dx 0.8*$dx $dx
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bcut bb b$i bc
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tcopy bb b$i
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@@ -135,7 +135,7 @@ vfit
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# add dimension:
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# detect vertices extremal in X direction
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boundingstr snowflake x1 y1 z1 x2 y2 z2
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bounding -s snowflake -save x1 y1 z1 x2 y2 z2
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plane f1 x1 0 0 1 0 0
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plane f2 x2 0 0 1 0 0
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mkface f1 f1
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