From 190c060f22bd4465f17482a5fb5a3bf289a86c54 Mon Sep 17 00:00:00 2001
From: Sean McLeod <sean@seanmcleod.com>
Date: Fri, 17 May 2024 21:40:30 +0200
Subject: [PATCH] Add support for setting ic/vw-mag-fps

---
 src/initialization/FGInitialCondition.cpp | 8 +++++++-
 src/initialization/FGInitialCondition.h   | 4 ++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/initialization/FGInitialCondition.cpp b/src/initialization/FGInitialCondition.cpp
index e9f9094468..1ba8c353fd 100644
--- a/src/initialization/FGInitialCondition.cpp
+++ b/src/initialization/FGInitialCondition.cpp
@@ -590,6 +590,11 @@ void FGInitialCondition::SetWindDownKtsIC(double wD)
   calcAeroAngles(_vt_NED);
 }
 
+void FGInitialCondition::SetWindMagFpsIC(double mag)
+{
+  SetWindMagKtsIC(mag*fpstokts);
+}
+
 //******************************************************************************
 // Modifies the wind velocity (in knots) while keeping its direction unchanged.
 // The vertical component (in local NED frame) is unmodified. The aircraft
@@ -1519,7 +1524,8 @@ void FGInitialCondition::bind(FGPropertyManager* PropertyManager)
   PropertyManager->Tie("ic/vw-down-fps", this,
                        &FGInitialCondition::GetWindDFpsIC);
   PropertyManager->Tie("ic/vw-mag-fps", this,
-                       &FGInitialCondition::GetWindFpsIC);
+                       &FGInitialCondition::GetWindFpsIC,
+                       &FGInitialCondition::SetWindMagFpsIC);
   PropertyManager->Tie("ic/vw-dir-deg", this,
                        &FGInitialCondition::GetWindDirDegIC,
                        &FGInitialCondition::SetWindDirDegIC);
diff --git a/src/initialization/FGInitialCondition.h b/src/initialization/FGInitialCondition.h
index 36065f7a7a..792f4eead8 100644
--- a/src/initialization/FGInitialCondition.h
+++ b/src/initialization/FGInitialCondition.h
@@ -443,6 +443,10 @@ class JSBSIM_API FGInitialCondition : public FGJSBBase
       @param wD Initial wind velocity in local down direction, feet/second   */
   void SetWindNEDFpsIC(double wN, double wE, double wD);
 
+  /** Sets the initial total wind speed.
+      @param mag Initial wind velocity magnitude in feet/second */
+  void SetWindMagFpsIC(double mag);
+
   /** Sets the initial total wind speed.
       @param mag Initial wind velocity magnitude in knots */
   void SetWindMagKtsIC(double mag);