Starting resize support.

src/mesh/TriFace.cpp

@@ -25,3 +25,18 @@ std::vector<unsigned> TriFace::getNodeIds() const
 {
     return {mEdge0->getNode0Id(), mEdge0->getNode1Id(), mEdge1->getNode1Id()};
 }
+
+void TriFace::addVectorAttribute(const std::string& tag, const std::vector<double>& values)
+{
+    mVectorAttributes[tag] = values;
+}
+
+std::vector<double> TriFace::getVectorAttribute(const std::string& tag) const
+{
+    auto iter = mVectorAttributes.find(tag);
+    if (iter != mVectorAttributes.end())
+    {
+        return iter->second;
+    }
+    return {};
+}

src/mesh/TriFace.h

@@ -2,6 +2,8 @@
 
 #include <memory>
 #include <vector>
+#include <unordered_map>
+#include <string>
 
 class Edge;
 
@@ -14,8 +16,14 @@ public:
     static std::unique_ptr<TriFace> Create(Edge* edge0, Edge* edge1, Edge* edge2, unsigned id=0);
 
     std::vector<unsigned> getNodeIds() const;
+
+    void addVectorAttribute(const std::string& tag, const std::vector<double>& values);
+
+    std::vector<double> getVectorAttribute(const std::string& tag) const;
+
 private:
     unsigned mId{0};
+    std::unordered_map<std::string, std::vector<double> > mVectorAttributes;
     Edge* mEdge0{nullptr};
     Edge* mEdge1{nullptr};
     Edge* mEdge2{nullptr};

src/mesh/TriMesh.cpp

@@ -27,3 +27,21 @@ std::vector<std::vector<Point> > TriMesh::getFaceVertices() const
     }
     return verts;
 }
+
+std::vector<std::vector<double> > TriMesh::getFaceVectorAttributes(const std::string& tag)
+{
+    std::vector<std::vector<double> > attribs(mFaces.size());
+    for(std::size_t idx=0; idx<mFaces.size(); idx++)
+    {
+        attribs[idx] = {mFaces[idx]->getVectorAttribute(tag)};
+    }
+    return attribs;
+}
+
+void TriMesh::addConstantFaceVectorAttribute(const std::string& tag, const std::vector<double>& values)
+{
+    for (const auto& face : mFaces)
+    {
+        face->addVectorAttribute(tag, values);
+    }
+}

src/mesh/TriMesh.h

@@ -29,6 +29,10 @@ public:
 
     std::vector<std::vector<Point> > getFaceVertices() const;
 
+    void addConstantFaceVectorAttribute(const std::string& tag, const std::vector<double>& values);
+
+    std::vector<std::vector<double> > getFaceVectorAttributes(const std::string& tag);
+
 private:
     VecNodes mNodes;
     VecEdges mEdges;