--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Sources/Vector3D.h	Thu Apr 04 18:35:54 2024 +0200
@@ -0,0 +1,74 @@
+/**
+ * SPDX-FileCopyrightText: 2023-2024 Sebastien Jodogne, UCLouvain, Belgium
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+/**
+ * STL plugin for Orthanc
+ * Copyright (C) 2023-2024 Sebastien Jodogne, UCLouvain, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+
+class Vector3D
+{
+private:
+  double x_;
+  double y_;
+  double z_;
+
+public:
+  Vector3D();
+
+  Vector3D(double x,
+           double y,
+           double z);
+
+  Vector3D(const Vector3D& from,
+           const Vector3D& to);
+
+  double GetX() const
+  {
+    return x_;
+  }
+
+  double GetY() const
+  {
+    return y_;
+  }
+
+  double GetZ() const
+  {
+    return z_;
+  }
+
+  double ComputeSquaredNorm() const;
+
+  double ComputeNorm() const;
+
+  void Normalize();
+
+  static Vector3D CrossProduct(const Vector3D& u,
+                               const Vector3D& v);
+
+  static double DotProduct(const Vector3D& a,
+                           const Vector3D& b);
+
+  static bool AreParallel(const Vector3D& a,
+                          const Vector3D& b);
+};