added small API to get values and positions of control points

src/Geometry/TriMeshCT.cc

@@ -30,6 +30,22 @@ TriMeshCT::TriMeshCT(
     this->readFromObj(filename);
 }
 
+glm::vec3
+TriMeshCT::getPosValue(
+        TriMeshCT::ControlPoint cp,
+        uint valueIdx)
+{
+    return glm::vec3(cp.pos[0], cp.val[valueIdx], cp.pos[1]);
+}
+
+float
+TriMeshCT::getValue(
+        TriMeshCT::ControlPoint cp,
+        uint valueIdx)
+{
+    return cp.val[valueIdx];
+}
+
 void
 TriMeshCT::readFromObj(
         const std::string &filename

src/Geometry/TriMeshCT.hh

@@ -27,6 +27,9 @@ public:
     static OpenMesh::HPropHandleT<ControlPoint>     T, C, I1, I2;
     //^ control points on the left hand side of the half-edge; name convention: Mann, 1998
 
+    static glm::vec3 getPosValue(TriMeshCT::ControlPoint cp, uint valueIdx);
+    static float getValue(TriMeshCT::ControlPoint cp, uint valueIdx);
+
 public:
 
     TriMeshCT(