*** empty log message ***

include/Cone.hh

@@ -15,7 +15,7 @@ Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 1993, 1994
 =========================================================================*/
 // .NAME vlCone - implicit function for a cone
 // .SECTION Description
-// vlCone computes the implicit function and surface normal for a cone.
+// vlCone computes the implicit function and function gradient for a cone.
 // vlCone is a concrete implementation of vlImplicitFunction.
 
 #ifndef __vlCone_h
@@ -32,7 +32,7 @@ public:
 
   // ImplicitFunction interface
   float Evaluate(float x, float y, float z);
-  void EvaluateNormal(float x, float y, float z, float n[3]);
+  void EvaluateGradient(float x, float y, float z, float g[3]);
 
   vlSetVector3Macro(Apex,float);
   vlGetVectorMacro(Apex,float,3);

include/Cylinder.hh

@@ -15,8 +15,8 @@ Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 1993, 1994
 =========================================================================*/
 // .NAME vlCylinder - implicit function for a cylinder
 // .SECTION Description
-// vlCylinder computes the implicit function and surface normal for a cylinder.
-// vlCylinder is a concrete implementation of vlImplicitFunction.
+// vlCylinder computes the implicit function and function gradient for 
+// a cylinder. vlCylinder is a concrete implementation of vlImplicitFunction.
 
 #ifndef __vlCylinder_h
 #define __vlCylinder_h
@@ -32,7 +32,7 @@ public:
 
   // ImplicitFunction interface
   float Evaluate(float x, float y, float z);
-  void EvaluateNormal(float x, float y, float z, float n[3]);
+  void EvaluateGradient(float x, float y, float z, float g[3]);
 
   vlSetMacro(Radius,float);
   vlGetMacro(Radius,float);

include/Quadric.hh

@@ -33,7 +33,7 @@ public:
 
   // ImplicitFunction interface
   float Evaluate(float x, float y, float z);
-  void EvaluateNormal(float x, float y, float z, float n[3]);
+  void EvaluateGradient(float x, float y, float z, float g[3]);
 
   void SetCoefficients(float a[10]);
   void SetCoefficients(float a0, float a1, float a2, float a3, float a4, 

src/Cone.cc

@@ -39,7 +39,7 @@ float vlCone::Evaluate(float x, float y, float z)
 
 // Description
 // Evaluate cone normal.
-void vlCone::EvaluateNormal(float x, float y, float z, float n[3])
+void vlCone::EvaluateGradient(float x, float y, float z, float g[3])
 {
 }
 

src/Cylinder.cc

@@ -38,8 +38,8 @@ float vlCylinder::Evaluate(float x, float y, float z)
 }
 
 // Description
-// Evaluate cylinder normal.
-void vlCylinder::EvaluateNormal(float x, float y, float z, float n[3])
+// Evaluate cylinder function gradient.
+void vlCylinder::EvaluateGradient(float x, float y, float z, float g[3])
 {
 }
 

src/Quadric.cc

@@ -61,8 +61,8 @@ void vlQuadric::SetCoefficients(float a[10])
 }
 
 // Description
-// Evaluate the normal to the quadric equation.
-void vlQuadric::EvaluateNormal(float x, float y, float z, float n[3])
+// Evaluate the gradient to the quadric equation.
+void vlQuadric::EvaluateGradient(float x, float y, float z, float n[3])
 {
   float *a=this->Coefficients;