From 8b4276c2ccbcae42471d3dd7d85f2b7abf78a1e3 Mon Sep 17 00:00:00 2001
From: Abdullah Tahiri <abdullah.tahiri.yo@gmail.com>
Date: Thu, 21 Oct 2021 19:31:29 +0200
Subject: [PATCH] Part: Geometry - Extend Geometry Curve to query the value at
 parameter point directly from D0

=============================================================================================

Use the geometry specific D0 to calculate value at parameter point.
---
 src/Mod/Part/App/Geometry.cpp | 9 +++++++++
 src/Mod/Part/App/Geometry.h   | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/src/Mod/Part/App/Geometry.cpp b/src/Mod/Part/App/Geometry.cpp
index 1d1d67d4f0..bc26e1f52b 100644
--- a/src/Mod/Part/App/Geometry.cpp
+++ b/src/Mod/Part/App/Geometry.cpp
@@ -634,6 +634,15 @@ bool GeomCurve::tangent(double u, Base::Vector3d& dir) const
     return false;
 }
 
+Base::Vector3d GeomCurve::value(double u) const
+{
+    Handle(Geom_Curve) c = Handle(Geom_Curve)::DownCast(handle());
+
+    const gp_Pnt &point = c->Value(u);
+
+    return Base::Vector3d(point.X(),point.Y(),point.Z());
+}
+
 Base::Vector3d GeomCurve::pointAtParameter(double u) const
 {
     Handle(Geom_Curve) c = Handle(Geom_Curve)::DownCast(handle());
diff --git a/src/Mod/Part/App/Geometry.h b/src/Mod/Part/App/Geometry.h
index 4cbd45c540..1dd2210dee 100644
--- a/src/Mod/Part/App/Geometry.h
+++ b/src/Mod/Part/App/Geometry.h
@@ -203,6 +203,8 @@ public:
 
     void reverse(void);
 
+    Base::Vector3d value(double u) const;
+
 protected:
     static bool intersect(const Handle(Geom_Curve) c, const Handle(Geom_Curve) c2,
                           std::vector<std::pair<Base::Vector3d, Base::Vector3d>>& points,