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Merge remote-tracking branch 'remotes/origin/occ/compounds_processing'
[modules/shaper.git] / src / ModelAPI / ModelAPI_Tools.cpp
old mode 100755 (executable)
new mode 100644 (file)
index b656c3f..b2a7e0f
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2017  CEA/DEN, EDF R&D
+// Copyright (C) 2014-2019  CEA/DEN, EDF R&D
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 //
 // You should have received a copy of the GNU Lesser General Public
 // License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 //
-// See http://www.salome-platform.org/ or
-// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
 
 #include "ModelAPI_Tools.h"
 #include <ModelAPI_Document.h>
 #include <ModelAPI_Object.h>
 #include <ModelAPI_AttributeDouble.h>
-#include <ModelAPI_ResultCompSolid.h>
+#include <ModelAPI_AttributeSelectionList.h>
+#include <ModelAPI_ResultBody.h>
 #include <ModelAPI_ResultParameter.h>
 #include <ModelAPI_ResultPart.h>
 #include <ModelAPI_AttributeDocRef.h>
 #include <ModelAPI_Validator.h>
+#include <ModelAPI_AttributeIntArray.h>
+#include <ModelAPI_ResultConstruction.h>
+#include <ModelAPI_AttributeBoolean.h>
 #include <list>
 #include <map>
 #include <iostream>
@@ -37,6 +40,8 @@
 #include <Events_Loop.h>
 #include <ModelAPI_Events.h>
 
+#include <GeomAPI_ShapeHierarchy.h>
+
 #define RECURSE_TOP_LEVEL 50
 
 //#define DEBUG_REMOVE_FEATURES
@@ -107,6 +112,7 @@ std::shared_ptr<GeomAPI_Shape> shape(const ResultPtr& theResult)
   return theResult->shape();
 }
 
+// LCOV_EXCL_START
 const char* toString(ModelAPI_ExecState theExecState)
 {
   switch (theExecState) {
@@ -159,6 +165,7 @@ std::string getFeatureError(const FeaturePtr& theFeature)
 
   return anError;
 }
+// LCOV_EXCL_STOP
 
 ObjectPtr objectByName(const DocumentPtr& theDocument, const std::string& theGroup,
                        const std::string& theName)
@@ -265,66 +272,66 @@ CompositeFeaturePtr compositeOwner(const FeaturePtr& theFeature)
   return CompositeFeaturePtr(); // not found
 }
 
-ResultCompSolidPtr compSolidOwner(const ResultPtr& theSub)
+ResultBodyPtr bodyOwner(const ResultPtr& theSub, const bool theRoot)
 {
-  int anIndex;
-  ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theSub);
-  if (aBody.get()) {
-    FeaturePtr aFeatureOwner = aBody->document()->feature(aBody);
-    if (aFeatureOwner.get()) {
-      std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
-        aFeatureOwner->results().cbegin();
-      for(; aResIter != aFeatureOwner->results().cend(); aResIter++) {
-        ResultCompSolidPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(*aResIter);
-        if (aComp && aComp->isSub(aBody, anIndex))
-          return aComp;
+  if (theSub.get()) {
+    ObjectPtr aParent = theSub->document()->parent(theSub);
+    if (aParent.get()) {
+      if (theRoot) { // try to find parent of parent
+        ResultPtr aResultParent = std::dynamic_pointer_cast<ModelAPI_Result>(aParent);
+        ResultBodyPtr aGrandParent = bodyOwner(aResultParent, true);
+        if (aGrandParent.get())
+          aParent = aGrandParent;
       }
+      return std::dynamic_pointer_cast<ModelAPI_ResultBody>(aParent);
     }
   }
-  return ResultCompSolidPtr(); // not found
+  return ResultBodyPtr(); // not found
 }
 
-int compSolidIndex(const ResultPtr& theSub)
+int bodyIndex(const ResultPtr& theSub)
 {
   int anIndex = -1;
-  ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theSub);
-  if (aBody.get()) {
-    FeaturePtr aFeatureOwner = aBody->document()->feature(aBody);
-    if (aFeatureOwner.get()) {
-      std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
-        aFeatureOwner->results().cbegin();
-      for(; aResIter != aFeatureOwner->results().cend(); aResIter++) {
-        ResultCompSolidPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(*aResIter);
-        if (aComp && aComp->isSub(aBody, anIndex))
-          return anIndex;
-      }
-    }
+  ResultBodyPtr aParent = bodyOwner(theSub);
+  if (aParent.get()) {
+    ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theSub);
+    if (aBody.get() && aParent->isSub(aBody, anIndex))
+      return anIndex;
   }
   return anIndex; // not found
 }
 
 bool hasSubResults(const ResultPtr& theResult)
 {
-  ResultCompSolidPtr aCompSolid = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(theResult);
+  ResultBodyPtr aCompSolid = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theResult);
   return aCompSolid.get() && aCompSolid->numberOfSubs() > 0;
 }
 
+void allSubs(const ResultBodyPtr& theResult, std::list<ResultPtr>& theResults,
+             const bool theLowerOnly) {
+  // iterate sub-bodies of compsolid
+  ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theResult);
+  if (aComp.get()) {
+    int aNumSub = aComp->numberOfSubs();
+    for (int a = 0; a < aNumSub; a++) {
+      ResultBodyPtr aSub = aComp->subResult(a);
+      if (!theLowerOnly || aSub->numberOfSubs() == 0)
+        theResults.push_back(aSub);
+      allSubs(aSub, theResults);
+    }
+  }
+}
+
 void allResults(const FeaturePtr& theFeature, std::list<ResultPtr>& theResults)
 {
   if (!theFeature.get()) // safety: for empty feature no results
     return;
   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
-  std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
+  std::list<ResultPtr>::const_iterator aRIter = aResults.begin();
   for (; aRIter != aResults.cend(); aRIter++) {
     theResults.push_back(*aRIter);
-    // iterate sub-bodies of compsolid
-    ResultCompSolidPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(*aRIter);
-    if (aComp.get()) {
-      int aNumSub = aComp->numberOfSubs();
-      for(int a = 0; a < aNumSub; a++) {
-        theResults.push_back(aComp->subResult(a));
-      }
-    }
+    ResultBodyPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aRIter);
+    allSubs(aResult, theResults);
   }
 }
 
@@ -606,58 +613,62 @@ void getConcealedResults(const FeaturePtr& theFeature,
   }
 }
 
-std::pair<std::string, bool> getDefaultName(
-    const std::shared_ptr<ModelAPI_Result>& theResult,
-    const int theResultIndex)
+std::pair<std::string, bool> getDefaultName(const std::shared_ptr<ModelAPI_Result>& theResult,
+                                            const bool theInherited)
 {
   typedef std::list< std::pair < std::string, std::list<ObjectPtr> > > ListOfReferences;
 
   SessionPtr aSession = ModelAPI_Session::get();
-  FeaturePtr anOwner = ModelAPI_Feature::feature(theResult->data()->owner());
 
-  ResultCompSolidPtr aCompSolidRes = compSolidOwner(theResult);
-  if (aCompSolidRes) {
+  ResultBodyPtr anOwnerRes = bodyOwner(theResult);
+  if (anOwnerRes) {
     // names of sub-solids in CompSolid should be default (for example,
     // result of boolean operation 'Boolean_1_1' is a CompSolid which is renamed to 'MyBOOL',
     // however, sub-elements of 'MyBOOL' should be named 'Boolean_1_1_1', 'Boolean_1_1_2' etc.)
     std::ostringstream aDefaultName;
-    aDefaultName << anOwner->name();
-    // compute default name of CompSolid (name of feature + index of CompSolid's result)
-    int aCompSolidResultIndex = 0;
-    const std::list<ResultPtr>& aResults = anOwner->results();
-    for (std::list<ResultPtr>::const_iterator anIt = aResults.begin();
-         anIt != aResults.end(); ++anIt, ++aCompSolidResultIndex)
-      if (aCompSolidRes == *anIt)
-        break;
-    aDefaultName << "_" << (aCompSolidResultIndex + 1) << "_" << (theResultIndex + 1);
+    aDefaultName << getDefaultName(anOwnerRes).first;
+    aDefaultName << "_" << (bodyIndex(theResult) + 1);
     return std::pair<std::string, bool>(aDefaultName.str(), false);
   }
 
+  FeaturePtr anOwner = ModelAPI_Feature::feature(theResult->data()->owner());
   DataPtr aData = anOwner->data();
 
   ListOfReferences aReferences;
-  aData->referencesToObjects(aReferences);
-
   // find first result with user-defined name
   ListOfReferences::const_iterator aFoundRef = aReferences.end();
-  for (ListOfReferences::const_iterator aRefIt = aReferences.begin();
-       aRefIt != aReferences.end(); ++aRefIt) {
-    bool isConcealed = aSession->validators()->isConcealed(anOwner->getKind(), aRefIt->first);
-    bool isMainArg = isConcealed &&
-                     aSession->validators()->isMainArgument(anOwner->getKind(), aRefIt->first);
-    if (isConcealed) {
-      // check the referred object is a Body
-      // (for example, ExtrusionCut has a sketch as a first attribute which is concealing)
-      bool isBody = aRefIt->second.size() > 1 || (aRefIt->second.size() == 1 &&
-                    aRefIt->second.front()->groupName() == ModelAPI_ResultBody::group());
-      if (isBody && (isMainArg || aFoundRef == aReferences.end() ||
-          aData->isPrecedingAttribute(aRefIt->first, aFoundRef->first)))
-        aFoundRef = aRefIt;
-
-      if (isMainArg)
-        break;
+  if (theInherited) {
+    aData->referencesToObjects(aReferences);
+
+    for (ListOfReferences::const_iterator aRefIt = aReferences.begin();
+         aRefIt != aReferences.end(); ++aRefIt) {
+      bool isConcealed = aSession->validators()->isConcealed(anOwner->getKind(), aRefIt->first);
+      bool isMainArg = isConcealed &&
+                       aSession->validators()->isMainArgument(anOwner->getKind(), aRefIt->first);
+      if (isConcealed) {
+        // check the referred object is a Body
+        // (for example, ExtrusionCut has a sketch as a first attribute which is concealing)
+        bool isBody = aRefIt->second.size() > 1 || (aRefIt->second.size() == 1 &&
+                      aRefIt->second.front().get() &&
+                      aRefIt->second.front()->groupName() == ModelAPI_ResultBody::group());
+        if (isBody && (isMainArg || aFoundRef == aReferences.end() ||
+            aData->isPrecedingAttribute(aRefIt->first, aFoundRef->first)))
+          aFoundRef = aRefIt;
+
+        if (isMainArg)
+          break;
+      }
     }
   }
+  // get the result number in the feature
+  int anIndexInOwner = 0;
+  const std::list<ResultPtr>& anOwnerResults = anOwner->results();
+  std::list<ResultPtr>::const_iterator aResIt = anOwnerResults.cbegin();
+  for(; aResIt != anOwnerResults.cend(); aResIt++) {
+    if(*aResIt == theResult)
+      break;
+    anIndexInOwner++;
+  }
 
   // find an object which is concealed by theResult
   if (aFoundRef != aReferences.end() && !aFoundRef->second.empty()) {
@@ -665,12 +676,12 @@ std::pair<std::string, bool> getDefaultName(
     std::map<ResultPtr, int> aNbRefToObject;
     // search the object by result index
     std::list<ObjectPtr>::const_iterator anObjIt = aFoundRef->second.begin();
-    int aResultIndex = theResultIndex;
+    int aResultIndex = anIndexInOwner;
     while (--aResultIndex >= 0) {
       ResultPtr aCurRes = std::dynamic_pointer_cast<ModelAPI_Result>(*anObjIt);
-      ResultCompSolidPtr aParentCompSolid = ModelAPI_Tools::compSolidOwner(aCurRes);
-      if (aParentCompSolid)
-        aCurRes = aParentCompSolid;
+      ResultBodyPtr aParentBody = ModelAPI_Tools::bodyOwner(aCurRes);
+      if (aParentBody)
+        aCurRes = aParentBody;
       if (aNbRefToObject.find(aCurRes) == aNbRefToObject.end())
         aNbRefToObject[aCurRes] = 1;
       else
@@ -686,9 +697,9 @@ std::pair<std::string, bool> getDefaultName(
     if ((*anObjIt)->groupName() == ModelAPI_ResultBody::group()) {
       // check the result is part of CompSolid
       ResultPtr anObjRes = std::dynamic_pointer_cast<ModelAPI_Result>(*anObjIt);
-      ResultCompSolidPtr aParentCompSolid = ModelAPI_Tools::compSolidOwner(anObjRes);
-      if (aParentCompSolid)
-        anObjRes = aParentCompSolid;
+      ResultBodyPtr aParentBody = ModelAPI_Tools::bodyOwner(anObjRes);
+      if (aParentBody)
+        anObjRes = aParentBody;
 
       // return name of reference result only if it has been renamed by the user,
       // in other case compose a default name
@@ -711,48 +722,337 @@ std::pair<std::string, bool> getDefaultName(
   aDefaultName << anOwner->name();
   // if there are several results (issue #899: any number of result),
   // add unique prefix starting from second
-  if (theResultIndex > 0 || theResult->groupName() == ModelAPI_ResultBody::group())
-    aDefaultName << "_" << theResultIndex + 1;
+  if (anIndexInOwner > 0 || theResult->groupName() == ModelAPI_ResultBody::group())
+    aDefaultName << "_" << anIndexInOwner + 1;
   return std::pair<std::string, bool>(aDefaultName.str(), false);
 }
 
-std::string getDefaultName(const ResultPtr& theResult)
+std::set<FeaturePtr> getParents(const FeaturePtr& theFeature)
 {
-  FeaturePtr anOwner = ModelAPI_Feature::feature(theResult->data()->owner());
+  std::set<FeaturePtr> aParents;
+  for (FeaturePtr aCurFeat = theFeature; aCurFeat; ) {
+    CompositeFeaturePtr aFoundComposite;
+    const std::set<AttributePtr>& aRefs = aCurFeat->data()->refsToMe();
+    for (std::set<AttributePtr>::const_iterator anIt = aRefs.begin();
+      anIt != aRefs.end(); ++anIt) {
+      FeaturePtr aF = ModelAPI_Feature::feature((*anIt)->owner());
+      aFoundComposite = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aF);
+      if (aFoundComposite && aFoundComposite->isSub(aCurFeat))
+        break;
+      else
+        aFoundComposite = CompositeFeaturePtr();
+    }
 
-  // names of sub-solids in CompSolid should be default (for example,
-  // result of boolean operation 'Boolean_1_1' is a CompSolid which is renamed to 'MyBOOL',
-  // however, sub-elements of 'MyBOOL' should be named 'Boolean_1_1_1', 'Boolean_1_1_2' etc.)
-  std::ostringstream aDefaultName;
-  aDefaultName << anOwner->name();
+    if (aFoundComposite) {
+      aParents.insert(aFoundComposite);
+      aCurFeat = aFoundComposite;
+    }
+    else {
+      // add the part containing high-level feature
+      SessionPtr aSession = ModelAPI_Session::get();
+      DocumentPtr aPartSetDoc = aSession->moduleDocument();
+      std::list<FeaturePtr> aPartSetFeatures = aPartSetDoc->allFeatures();
+      for (std::list<FeaturePtr>::const_iterator anIt = aPartSetFeatures.begin();
+        anIt != aPartSetFeatures.end(); ++anIt) {
+        aFoundComposite = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(*anIt);
+        if (aFoundComposite && aFoundComposite->isSub(aCurFeat)) {
+          aParents.insert(aFoundComposite);
+          break;
+        }
+      }
 
-  ResultPtr aResToSearch = theResult;
-  ResultCompSolidPtr aCompSolidRes = compSolidOwner(theResult);
-  if (aCompSolidRes)
-    aResToSearch = aCompSolidRes;
-
-  // obtain index of result
-  int aResIndex = 1;
-  const std::list<ResultPtr>& aResults = anOwner->results();
-  for (std::list<ResultPtr>::const_iterator anIt = aResults.begin();
-       anIt != aResults.end(); ++anIt, ++aResIndex)
-    if (aResToSearch == *anIt)
-      break;
+      aCurFeat = FeaturePtr();
+    }
+  }
+  return aParents;
+}
 
-  // compute default name of CompSolid (name of feature + index of CompSolid's result)
-  aDefaultName << "_" << aResIndex;
+void fillShapeHierarchy(const GeomShapePtr& theShape,
+                        const ResultPtr& theContext,
+                        GeomAPI_ShapeHierarchy& theHierarchy)
+{
+  ResultBodyPtr aResCompSolidPtr = ModelAPI_Tools::bodyOwner(theContext);
+  if (aResCompSolidPtr.get()) {
+    std::shared_ptr<GeomAPI_Shape> aContextShape = aResCompSolidPtr->shape();
+    if (aContextShape->shapeType() <= GeomAPI_Shape::COMPSOLID) {
+      theHierarchy.addParent(theShape, aContextShape);
+      fillShapeHierarchy(aContextShape, aResCompSolidPtr, theHierarchy);
+    }
+  }
+}
 
-  if (aCompSolidRes) {
-    // obtain index of result in compsolid and compose a default name
-    int aNbSubs = aCompSolidRes->numberOfSubs();
-    for (int anIndex = 0; anIndex < aNbSubs; ++anIndex)
-      if (aCompSolidRes->subResult(anIndex) == theResult) {
-        aDefaultName << "_" << (anIndex + 1);
-        break;
+
+void removeResults(const std::list<ResultPtr>& theResults)
+{
+  // collect all documents where the results must be removed
+  std::map<DocumentPtr, std::list<ResultPtr> > aDocs;
+
+  std::list<ResultPtr>::const_iterator aResIter = theResults.cbegin();
+  for(; aResIter != theResults.cend(); aResIter++) {
+    DocumentPtr aDoc = (*aResIter)->document();
+    if (!aDocs.count(aDoc))
+      aDocs[aDoc] = std::list<ResultPtr>();
+    aDocs[aDoc].push_back(*aResIter);
+  }
+  // create a "remove" feature in each doc
+  std::map<DocumentPtr, std::list<ResultPtr> >::iterator aDoc = aDocs.begin();
+  for(; aDoc != aDocs.end(); aDoc++) {
+    FeaturePtr aRemove = aDoc->first->addFeature("RemoveResults");
+    if (aRemove) {
+      for(aResIter = aDoc->second.cbegin(); aResIter != aDoc->second.cend(); aResIter++)
+        aRemove->selectionList("results")->append(*aResIter, GeomShapePtr());
+    }
+  }
+}
+
+
+//**************************************************************
+void setDeflection(ResultPtr theResult, const double theDeflection)
+{
+  if (!theResult.get())
+    return;
+
+  AttributeDoublePtr aDeflectionAttr = theResult->data()->real(ModelAPI_Result::DEFLECTION_ID());
+  if (aDeflectionAttr.get() != NULL) {
+    aDeflectionAttr->setValue(theDeflection);
+  }
+}
+
+// used by GUI only
+// LCOV_EXCL_START
+double getDeflection(const std::shared_ptr<ModelAPI_Result>& theResult)
+{
+  double aDeflection = -1;
+  // get deflection from the attribute of the result
+  if (theResult.get() != NULL &&
+    theResult->data()->attribute(ModelAPI_Result::DEFLECTION_ID()).get() != NULL) {
+    AttributeDoublePtr aDoubleAttr = theResult->data()->real(ModelAPI_Result::DEFLECTION_ID());
+    if (aDoubleAttr.get() && aDoubleAttr->isInitialized()) {
+      double aValue = aDoubleAttr->value();
+      if (aValue > 0) /// zero value should not be used as a deflection(previous studies)
+        aDeflection = aDoubleAttr->value();
+    }
+  }
+  return aDeflection;
+}
+
+//******************************************************
+void setColor(ResultPtr theResult, const std::vector<int>& theColor)
+{
+  if (!theResult.get())
+    return;
+
+  AttributeIntArrayPtr aColorAttr = theResult->data()->intArray(ModelAPI_Result::COLOR_ID());
+  if (aColorAttr.get() != NULL) {
+    if (!aColorAttr->size()) {
+      aColorAttr->setSize(3);
+    }
+    aColorAttr->setValue(0, theColor[0]);
+    aColorAttr->setValue(1, theColor[1]);
+    aColorAttr->setValue(2, theColor[2]);
+  }
+}
+
+void getColor(const std::shared_ptr<ModelAPI_Result>& theResult, std::vector<int>& theColor)
+{
+  theColor.clear();
+  // get color from the attribute of the result
+  if (theResult.get() != NULL &&
+    theResult->data()->attribute(ModelAPI_Result::COLOR_ID()).get() != NULL) {
+    AttributeIntArrayPtr aColorAttr = theResult->data()->intArray(ModelAPI_Result::COLOR_ID());
+    if (aColorAttr.get() && aColorAttr->size()) {
+      theColor.push_back(aColorAttr->value(0));
+      theColor.push_back(aColorAttr->value(1));
+      theColor.push_back(aColorAttr->value(2));
+    }
+  }
+}
+
+//******************************************************
+void getIsoLines(const std::shared_ptr<ModelAPI_Result>& theResult,
+  bool& isVisible, std::vector<int>& theNbLines)
+{
+  theNbLines.clear();
+  isVisible = false;
+  if (!theResult.get())
+    return;
+  if (theResult->groupName() == ModelAPI_ResultConstruction::group()) {
+    theNbLines.push_back(0);
+    theNbLines.push_back(0);
+  }
+  else {
+    // get color from the attribute of the result
+    AttributeIntArrayPtr aAttr = theResult->data()->intArray(ModelAPI_Result::ISO_LINES_ID());
+    if (aAttr.get()) {
+      if (aAttr->size()) {
+        theNbLines.push_back(aAttr->value(0));
+        theNbLines.push_back(aAttr->value(1));
       }
+    }
+    AttributeBooleanPtr aBoolAttr =
+      theResult->data()->boolean(ModelAPI_Result::SHOW_ISO_LINES_ID());
+    if (aBoolAttr.get()) {
+      isVisible = aBoolAttr->value();
+    }
+  }
+}
+
+//******************************************************
+void setIsoLines(ResultPtr theResult, const std::vector<int>& theIso)
+{
+  if (!theResult.get())
+    return;
+
+  AttributeIntArrayPtr aAttr = theResult->data()->intArray(ModelAPI_Result::ISO_LINES_ID());
+  if (aAttr.get() != NULL) {
+    if (!aAttr->size()) {
+      aAttr->setSize(2);
+    }
+    aAttr->setValue(0, theIso[0]);
+    aAttr->setValue(1, theIso[1]);
+  }
+}
+
+//******************************************************
+void showIsoLines(std::shared_ptr<ModelAPI_Result> theResult, bool theShow)
+{
+  if (!theResult.get())
+    return;
+
+  AttributeBooleanPtr aAttr = theResult->data()->boolean(ModelAPI_Result::SHOW_ISO_LINES_ID());
+  if (aAttr.get() != NULL) {
+    aAttr->setValue(theShow);
+  }
+}
+
+//******************************************************
+bool isShownIsoLines(std::shared_ptr<ModelAPI_Result> theResult)
+{
+  if (!theResult.get())
+    return false;
+
+  AttributeBooleanPtr aAttr = theResult->data()->boolean(ModelAPI_Result::SHOW_ISO_LINES_ID());
+  if (aAttr.get() != NULL) {
+    return aAttr->value();
+  }
+  return false;
+}
+
+//**************************************************************
+void setTransparency(ResultPtr theResult, double theTransparency)
+{
+  if (!theResult.get())
+    return;
+
+  AttributeDoublePtr anAttribute = theResult->data()->real(ModelAPI_Result::TRANSPARENCY_ID());
+  if (anAttribute.get() != NULL) {
+    anAttribute->setValue(theTransparency);
+  }
+}
+
+double getTransparency(const std::shared_ptr<ModelAPI_Result>& theResult)
+{
+  double aTransparency = -1;
+  // get transparency from the attribute of the result
+  if (theResult.get() != NULL &&
+    theResult->data()->attribute(ModelAPI_Result::TRANSPARENCY_ID()).get() != NULL) {
+    AttributeDoublePtr aDoubleAttr = theResult->data()->real(ModelAPI_Result::TRANSPARENCY_ID());
+    if (aDoubleAttr.get() && aDoubleAttr->isInitialized()) {
+      aTransparency = aDoubleAttr->value();
+    }
+  }
+  return aTransparency;
+}
+// LCOV_EXCL_STOP
+
+void copyVisualizationAttrs(
+  std::shared_ptr<ModelAPI_Result> theSource, std::shared_ptr<ModelAPI_Result> theDest)
+{
+  // color
+  AttributeIntArrayPtr aSourceColor = theSource->data()->intArray(ModelAPI_Result::COLOR_ID());
+  if (aSourceColor.get() && aSourceColor->isInitialized() && aSourceColor->size()) {
+    AttributeIntArrayPtr aDestColor = theDest->data()->intArray(ModelAPI_Result::COLOR_ID());
+    if (aDestColor.get()) {
+      aDestColor->setSize(aSourceColor->size());
+      for(int a = 0; a < aSourceColor->size(); a++)
+        aDestColor->setValue(a, aSourceColor->value(a));
+    }
   }
+  // Iso-lines
+  AttributeIntArrayPtr aSource = theSource->data()->intArray(ModelAPI_Result::ISO_LINES_ID());
+  if (aSource.get() && aSource->isInitialized() && aSource->size()) {
+    AttributeIntArrayPtr aDest = theDest->data()->intArray(ModelAPI_Result::ISO_LINES_ID());
+    if (aDest.get()) {
+      aDest->setSize(aSource->size());
+      for(int a = 0; a < aSource->size(); a++)
+        aDest->setValue(a, aSource->value(a));
+    }
+  }
+  // deflection
+  AttributeDoublePtr aSourceDefl = theSource->data()->real(ModelAPI_Result::DEFLECTION_ID());
+  if (aSourceDefl.get() && aSourceDefl->isInitialized()) {
+    AttributeDoublePtr aDestDefl = theDest->data()->real(ModelAPI_Result::DEFLECTION_ID());
+    if (aDestDefl.get()) {
+      aDestDefl->setValue(aSourceDefl->value());
+    }
+  }
+  // transparency
+  AttributeDoublePtr aSourceTransp = theSource->data()->real(ModelAPI_Result::TRANSPARENCY_ID());
+  if (aSourceTransp.get() && aSourceTransp->isInitialized()) {
+    AttributeDoublePtr aDestTransp = theDest->data()->real(ModelAPI_Result::TRANSPARENCY_ID());
+    if (aDestTransp.get()) {
+      aDestTransp->setValue(aSourceTransp->value());
+    }
+  }
+}
 
-  return aDefaultName.str();
+std::list<FeaturePtr> referencedFeatures(
+  std::shared_ptr<ModelAPI_Result> theTarget, const std::string& theFeatureKind,
+  const bool theSortResults)
+{
+  std::set<FeaturePtr> aResSet; // collect in the set initially to avoid duplicates
+  std::list<ResultPtr> allSubRes;
+  allSubRes.push_back(theTarget);
+  ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theTarget);
+  if (aBody.get())
+    allSubs(aBody, allSubRes);
+  std::list<ResultPtr>::iterator aSub = allSubRes.begin();
+  for(; aSub != allSubRes.end(); aSub++) {
+    const std::set<AttributePtr>& aRefs = (*aSub)->data()->refsToMe();
+    std::set<AttributePtr>::const_iterator aRef = aRefs.cbegin();
+    for(; aRef != aRefs.cend(); aRef++) {
+      FeaturePtr aFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
+      if (aFeat.get() && (theFeatureKind.empty() || aFeat->getKind() == theFeatureKind))
+        aResSet.insert(aFeat);
+    }
+  }
+  // add also feature of the target that may be referenced as a whole
+  FeaturePtr aTargetFeature = theTarget->document()->feature(theTarget);
+  const std::set<AttributePtr>& aRefs = aTargetFeature->data()->refsToMe();
+  std::set<AttributePtr>::const_iterator aRef = aRefs.cbegin();
+  for(; aRef != aRefs.cend(); aRef++) {
+    FeaturePtr aFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
+    if (aFeat.get() && (theFeatureKind.empty() || aFeat->getKind() == theFeatureKind))
+      aResSet.insert(aFeat);
+  }
+
+  std::list<FeaturePtr> aResList;
+  std::set<FeaturePtr>::iterator aResIter = aResSet.begin();
+  for(; aResIter != aResSet.end(); aResIter++) {
+    if (theSortResults) { // sort results by creation-order
+      std::list<FeaturePtr>::iterator aListIter = aResList.begin();
+      for(; aListIter != aResList.end(); aListIter++) {
+        if ((*aResIter)->document()->isLater(*aListIter, *aResIter))
+          break;
+      }
+      if (aListIter == aResList.end()) // goes to the end
+        aResList.push_back(*aResIter);
+      else
+        aResList.insert(aListIter, *aResIter);
+    } else //just push to the end unsorted
+      aResList.push_back(*aResIter);
+  }
+  return aResList;
 }
 
 } // namespace ModelAPI_Tools