use VectorDescriptor in MesoCrystalItem

GUI/Models/MesoCrystalItem.cpp

@@ -21,6 +21,7 @@
 #include "GUI/Models/ParticleItem.h"
 #include "GUI/Models/SessionItemUtils.h"
 #include "GUI/Models/TransformToDomain.h"
+#include "GUI/Models/VectorDescriptor.h"
 #include "GUI/Models/VectorItem.h"
 #include "Sample/Particle/Crystal.h"
 #include "Sample/Particle/MesoCrystal.h"
@@ -149,3 +150,18 @@ void MesoCrystalItem::setVectorC(const R3& vector_c)
 {
     item<VectorItem>(P_VECTOR_C)->setVector(vector_c);
 }
+
+VectorDescriptor MesoCrystalItem::vectorA() const
+{
+    return VectorDescriptor(item<VectorItem>(P_VECTOR_A), Unit::nanometer);
+}
+
+VectorDescriptor MesoCrystalItem::vectorB() const
+{
+    return VectorDescriptor(item<VectorItem>(P_VECTOR_B), Unit::nanometer);
+}
+
+VectorDescriptor MesoCrystalItem::vectorC() const
+{
+    return VectorDescriptor(item<VectorItem>(P_VECTOR_C), Unit::nanometer);
+}

GUI/Models/MesoCrystalItem.h

@@ -25,6 +25,7 @@ class IFormFactor;
 class IParticle;
 class MesoCrystal;
 class VectorItem;
+class VectorDescriptor;
 
 class BA_CORE_API_ MesoCrystalItem : public ItemWithParticles {
 private:
@@ -55,6 +56,10 @@ public:
     void setVectorA(const R3& vector_a);
     void setVectorB(const R3& vector_b);
     void setVectorC(const R3& vector_c);
+
+    VectorDescriptor vectorA() const;
+    VectorDescriptor vectorB() const;
+    VectorDescriptor vectorC() const;
 };
 
 template <typename T> T* MesoCrystalItem::setOuterShapeType()