Visualization - AIS_Shape bounding box re-computation is not working properly #422

Fixed issue with bounding box cleaning algorithm that was causing the bounding box to be only increased.
Now the bounding box is increased and decreased to fit the shape.

diff --git a/src/AIS/AIS_Shape.cxx b/src/AIS/AIS_Shape.cxx
index c734d11a63bf2b624e60846202be0c4fb719b36d..065e01be9c2912bc7f0d70b149bc326f954ea29b 100644 (file)
--- a/src/AIS/AIS_Shape.cxx
+++ b/src/AIS/AIS_Shape.cxx
@@ -735,6 +735,8 @@ const Bnd_Box& AIS_Shape::BoundingBox()
 
   if (myCompBB)
   {
+    // Clear the bounding box to re-compute it.
+    myBB.SetVoid();
     BRepBndLib::Add(myshape, myBB, false);
     myCompBB = Standard_False;
   }

diff --git a/tests/v3d/bugs/bug_gh421 b/tests/v3d/bugs/bug_gh421
new file mode 100644 (file)
index 0000000..183eecb
--- /dev/null
+++ b/tests/v3d/bugs/bug_gh421
@@ -0,0 +1,20 @@
+puts "============"
+puts "Visualization - Bounding box is not decreasing for mode 2 #421"
+puts "============"
+puts ""
+
+pload MODELING VISUALIZATION
+vclear
+
+box b 100 200 300
+vinit View1
+vdisplay b -dispMode 2
+# OK
+box b 10 200 300
+vdisplay b -dispMode 2
+
+vfit
+
+checkcolor 243 2 0 0 0
+
+vdump $::imagedir/${::casename}.png