support fuzzy parameter in all boolean operations

[modules/shaper.git] / src / FeaturesPlugin / FeaturesPlugin_Intersection.cpp

diff --git a/src/FeaturesPlugin/FeaturesPlugin_Intersection.cpp b/src/FeaturesPlugin/FeaturesPlugin_Intersection.cpp
index 4d8705ab5905627a98b93ec6f8a17744a4f7d161..42dff80df439f7fa30c40b2e0b91aadb66620af4 100644 (file)
--- a/src/FeaturesPlugin/FeaturesPlugin_Intersection.cpp
+++ b/src/FeaturesPlugin/FeaturesPlugin_Intersection.cpp
@@ -23,6 +23,7 @@
 #include <ModelAPI_Document.h>
 #include <ModelAPI_BodyBuilder.h>
 #include <ModelAPI_ResultBody.h>
+#include <ModelAPI_AttributeDouble.h>
 #include <ModelAPI_AttributeSelectionList.h>
 #include <ModelAPI_Tools.h>
 
@@ -33,6 +34,7 @@
 
 #include <sstream>
 
+
 static const std::string INTERSECTION_VERSION_1("v9.5");
 
 //=================================================================================================
@@ -46,6 +48,12 @@ void FeaturesPlugin_Intersection::initAttributes()
   AttributePtr anObjectsAttr = data()->addAttribute(OBJECT_LIST_ID(),
                        ModelAPI_AttributeSelectionList::typeId());
 
+  data()->addAttribute(FUZZY_PARAM_ID(), ModelAPI_AttributeDouble::typeId());
+  // Initialize the fuzzy parameter with a value below Precision::Confusion() to indicate,
+  // that the internal algorithms should use their default fuzzy value, if none was specified
+  // by the user.
+  real(FUZZY_PARAM_ID())->setValue(1.e-8);
+
   initVersion(INTERSECTION_VERSION_1, anObjectsAttr, AttributePtr());
 }
 
@@ -60,11 +68,15 @@ void FeaturesPlugin_Intersection::execute()
     return;
   }
 
+  // Getting fuzzy parameter.
+  // Used as additional tolerance to eliminate tiny results.
+  double aFuzzy = real(FUZZY_PARAM_ID())->value();
+
   int aResultIndex = 0;
 
   // Create result.
   const ListOfShape& anObjects = anObjectsHierarchy.objects();
-  GeomMakeShapePtr anIntersectionAlgo(new GeomAlgoAPI_Intersection(anObjects));
+  GeomMakeShapePtr anIntersectionAlgo(new GeomAlgoAPI_Intersection(anObjects, aFuzzy));
 
   // Checking that the algorithm worked properly.
   std::string anError;