Particle base class and sphereParticle class have been updated

src/Particles/particles/shape.cpp

@@ -0,0 +1,76 @@
+#include "shape.hpp"
+
+
+bool pFlow::shape::findPropertyIds()
+{	
+	shapePropertyIds_.resize(numShapes());
+
+	ForAll( i, materialNames_)
+	{	
+		
+		if(uint32 propId; property_.nameToIndex(materialNames_[i], propId) )
+		{
+			shapePropertyIds_[i] = static_cast<uint8>(propId);
+		}
+		else
+		{
+			fatalErrorInFunction<<"Material name "<< materialNames_[i]<< 
+			"is not valid in dictionary "<<globalName()<<endl;
+			return false;
+		}
+	}
+    return false;
+}
+
+bool pFlow::shape::readFromDictionary()
+{
+	
+	materialNames_ = getVal<wordVector>("materials");
+
+	if(materialNames_.size() != numShapes() )
+	{
+		fatalErrorInFunction<<
+		"  number of elements in materials and names are not the same in "<< globalName()<<endl;
+		return false;
+	}
+
+	return true;
+}
+
+
+pFlow::shape::shape
+(
+    const word &fileName, 
+    repository *owner, 
+    const property &prop
+)
+:
+   baseShapeNames(fileName,owner),
+    property_(prop)
+{
+	
+	if( !readFromDictionary() )
+	{
+		fatalExit;
+	}
+
+	if(!findPropertyIds())
+	{
+		fatalExit;
+	}
+
+}
+
+bool pFlow::shape::writeToDict(dictionary &dict)const
+{
+	if(!baseShapeNames::writeToDict(dict))return false;
+
+	if( !dict.add("materials", materialNames_) )
+	{
+		fatalErrorInFunction<<
+		"  Error in writing materials to dictionary "<< dict.globalName()<<endl;
+		return false;
+	}
+
+	return true;
+}