From fea759ff6a70730afc6558ee22088a518e397d79 Mon Sep 17 00:00:00 2001
From: Dmitri Naumov <dmitri.naumov@ufz.de>
Date: Mon, 10 Oct 2016 18:04:45 +0200
Subject: [PATCH] [MeL] Add polymorphic construct to Element class.
The existing clone function is a direct copy, but
setting different nodes is required.
---
MeshLib/Elements/Element.h | 8 ++++++++
MeshLib/Elements/TemplateElement.h | 6 ++++++
2 files changed, 14 insertions(+)
diff --git a/MeshLib/Elements/Element.h b/MeshLib/Elements/Element.h
index f7d8b2820d6..d37186059e2 100644
--- a/MeshLib/Elements/Element.h
+++ b/MeshLib/Elements/Element.h
@@ -172,6 +172,14 @@ public:
*/
virtual Element* clone() const = 0;
+ /**
+ * Constructs a new object polymorphically. This is similar to clone, but
+ * accepts new nodes and id.
+ * \pre The length of the \c nodes vector is equal to the derived element's
+ * total number of nodes.
+ */
+ virtual Element* clone(Node** nodes, std::size_t id) const = 0;
+
/**
* Computes the length / area / volumen of this element. This is automatically
* done at initalisation time but can be repeated by calling this function at any time.
diff --git a/MeshLib/Elements/TemplateElement.h b/MeshLib/Elements/TemplateElement.h
index 822ff3758e9..8335715c4ec 100644
--- a/MeshLib/Elements/TemplateElement.h
+++ b/MeshLib/Elements/TemplateElement.h
@@ -69,6 +69,12 @@ public:
return new TemplateElement(*this);
}
+ /// \copydoc MeshLib::Element::clone(Node*[], std::size_t)
+ virtual Element* clone(Node** nodes, std::size_t id) const
+ {
+ return new TemplateElement(nodes, id);
+ }
+
/// Get dimension of the mesh element.
unsigned getDimension() const { return dimension; }
--
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