Box: reduced ParDefs

Param/Node/INode.h

@@ -29,10 +29,10 @@ const double INF = std::numeric_limits<double>::infinity();
 struct ParaMeta {
     std::string name;
     std::string unit;
-    std::string tooltip;
-    double vMin;
-    double vMax;
-    double vDefault;
+    std::string tooltip {""};
+    double vMin {0};
+    double vMax {0};
+    double vDefault {0};
 };
 
 //! Base class for tree-like structures containing parameterized objects.

Sample/HardParticle/Box.h

@@ -28,12 +28,12 @@ public:
 
     Box* clone() const override { return new Box(m_length, m_width, m_height); }
     std::string className() const final { return "Box"; }
-    // const auto tooltip = "rectangular cuboid";
+
     std::vector<ParaMeta> parDefs() const final
     {
-        return {{"Length", "nm", "side length in x direction", 0, +INF, 0},
-                {"Width", "nm", "side length in y direction", 0, +INF, 0},
-                {"Height", "nm", "side length in z direction", 0, +INF, 0}};
+        return {{"Length", "nm"},
+                {"Width", "nm"},
+                {"Height", "nm"}};
     }
 
     double length() const { return m_length; }