Issue #3256: Hang up when displaying the model

Provide a workaround to eliminate the hang up.

diff --git a/src/ModuleBase/ModuleBase_Tools.cpp b/src/ModuleBase/ModuleBase_Tools.cpp
index a3697ee37f0c09d7f889585b732882b2b708af8e..08a9ef0aec393655d3924b746e912c1e55dac678 100644 (file)
--- a/src/ModuleBase/ModuleBase_Tools.cpp
+++ b/src/ModuleBase/ModuleBase_Tools.cpp
@@ -470,8 +470,12 @@ void setDefaultDeviationCoefficient(const TopoDS_Shape& theShape,
   double aDeflection;
   if (isConstruction)
     aDeflection = Config_PropManager::real("Visualization", "construction_deflection");
-  else
+  else {
     aDeflection = Config_PropManager::real("Visualization", "body_deflection");
+    // workaround (issue #3256): to avoid hang up on one of restricted models
+    // set the maximal deflection to be the same as a default body deflection
+    theDrawer->SetMaximalChordialDeviation(aDeflection);
+  }
 
   theDrawer->SetDeviationCoefficient(aDeflection);
 }