1 files changed, 36 insertions, 0 deletions
diff --git a/thirdparty/thekla_atlas/nvmesh/geometry/Measurements.cpp b/thirdparty/thekla_atlas/nvmesh/geometry/Measurements.cpp
new file mode 100644
index 0000000000..e0c271663b
--- /dev/null
+++ b/thirdparty/thekla_atlas/nvmesh/geometry/Measurements.cpp
@@ -0,0 +1,36 @@
+// This code is in the public domain -- castano@gmail.com
+
+#include "nvmesh.h" // pch
+
+#include "Measurements.h"
+#include "nvmesh/halfedge/Mesh.h"
+#include "nvmesh/halfedge/Face.h"
+
+using namespace nv;
+
+float nv::computeSurfaceArea(const HalfEdge::Mesh * mesh)
+{
+    float area = 0;
+
+    for (HalfEdge::Mesh::ConstFaceIterator it(mesh->faces()); !it.isDone(); it.advance())
+    {
+        const HalfEdge::Face * face = it.current();
+        area += face->area();
+    }
+    nvDebugCheck(area >= 0);
+
+    return area;
+}
+
+float nv::computeParametricArea(const HalfEdge::Mesh * mesh)
+{
+    float area = 0;
+
+    for (HalfEdge::Mesh::ConstFaceIterator it(mesh->faces()); !it.isDone(); it.advance())
+    {
+        const HalfEdge::Face * face = it.current();
+        area += face->parametricArea();
+    }
+
+    return area;
+}