ENH: Added AddPosition() method.

include/Actor.hh

@@ -65,6 +65,8 @@ class vlActor : public vlObject
   // Description:
   // Sets the posiiton of the actor.
   vlSetVector3Macro(Position,float);
+  void AddPosition(float deltaPosition[3]);
+  void AddPosition(float delatX, float deltaY, float deltaZ);
 
   // Description:
   // Get the origin of the actor. This is the point about which all 

src/Actor.cc

@@ -25,7 +25,7 @@ Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 1993, 1994
 // position(0,0,0) scale(1,1,1) visibility=1 pickable=1 dragable=1
 // orientation= (0,0,0). IMPORTANT NOTE: Usually the vlRenderWindow
 // method MakeActor() is used to create a device specific actor. This
-// has the added benefit that a default device-specific proprty is 
+// has the added benefit that a default device-specific property is 
 // automatically created.
 vlActor::vlActor()
 {
@@ -71,48 +71,22 @@ void vlActor::Render(vlRenderer *ren)
 
 }
 
-void vlActor::PrintSelf(ostream& os, vlIndent indent)
+// Description:
+// Change position by increments specified.
+void vlActor::AddPosition (float deltaX,float deltaY,float deltaZ)
 {
-  if (this->ShouldIPrint(vlActor::GetClassName()))
-    {
-    vlObject::PrintSelf(os,indent);
+  float position[3];
 
-    // make sure our bounds are up to date
-    this->GetBounds();
-    os << indent << "Bounds: (" << this->Bounds[0] << ", " 
-       << this->Bounds[1] << ") (" << this->Bounds[2] << ") ("
-       << this->Bounds[3] << ") (" << this->Bounds[4] << ") ("
-       << this->Bounds[5] << ")\n";
-    os << indent << "Dragable: " << (this->Dragable ? "On\n" : "Off\n");
-    if ( this->Mapper )
-      {
-      os << indent << "Mapper:\n";
-      this->Mapper->PrintSelf(os,indent.GetNextIndent());
-      }
-    else
-      {
-      os << indent << "Mapper: (none)\n";
-      }
-    os << indent << "Orientation: (" << this->Orientation[0] << ", " 
-      << this->Orientation[1] << ", " << this->Orientation[2] << ")\n";
-    os << indent << "Origin: (" << this->Origin[0] << ", " 
-      << this->Origin[1] << ", " << this->Origin[2] << ")\n";
-    os << indent << "Pickable: " << (this->Pickable ? "On\n" : "Off\n");
-    os << indent << "Position: (" << this->Position[0] << ", " 
-      << this->Position[1] << ", " << this->Position[2] << ")\n";
-    if ( this->Property )
-      {
-      os << indent << "Property:\n";
-      this->Property->PrintSelf(os,indent.GetNextIndent());
-      }
-    else
-      {
-      os << indent << "Property: (none)\n";
-      }
-    os << indent << "Scale: (" << this->Scale[0] << ", " 
-      << this->Scale[1] << ", " << this->Scale[2] << ")\n";
-    os << indent << "Visibility: " << (this->Visibility ? "On\n" : "Off\n");
-    }
+  position[0] = this->Position[0] + deltaX;
+  position[1] = this->Position[1] + deltaY;
+  position[2] = this->Position[2] + deltaZ;
+  
+  this->SetPosition(position);
+}
+
+void vlActor::AddPosition (float deltaPosition[3])
+{
+  this->AddPosition (deltaPosition[0], deltaPosition[1], deltaPosition[2]);
 }
 
 // Description:
@@ -338,3 +312,47 @@ float *vlActor::GetZRange()
   return &(this->Bounds[4]);
 }
 
+void vlActor::PrintSelf(ostream& os, vlIndent indent)
+{
+  if (this->ShouldIPrint(vlActor::GetClassName()))
+    {
+    vlObject::PrintSelf(os,indent);
+
+    // make sure our bounds are up to date
+    this->GetBounds();
+    os << indent << "Bounds: (" << this->Bounds[0] << ", " 
+       << this->Bounds[1] << ") (" << this->Bounds[2] << ") ("
+       << this->Bounds[3] << ") (" << this->Bounds[4] << ") ("
+       << this->Bounds[5] << ")\n";
+    os << indent << "Dragable: " << (this->Dragable ? "On\n" : "Off\n");
+    if ( this->Mapper )
+      {
+      os << indent << "Mapper:\n";
+      this->Mapper->PrintSelf(os,indent.GetNextIndent());
+      }
+    else
+      {
+      os << indent << "Mapper: (none)\n";
+      }
+    os << indent << "Orientation: (" << this->Orientation[0] << ", " 
+      << this->Orientation[1] << ", " << this->Orientation[2] << ")\n";
+    os << indent << "Origin: (" << this->Origin[0] << ", " 
+      << this->Origin[1] << ", " << this->Origin[2] << ")\n";
+    os << indent << "Pickable: " << (this->Pickable ? "On\n" : "Off\n");
+    os << indent << "Position: (" << this->Position[0] << ", " 
+      << this->Position[1] << ", " << this->Position[2] << ")\n";
+    if ( this->Property )
+      {
+      os << indent << "Property:\n";
+      this->Property->PrintSelf(os,indent.GetNextIndent());
+      }
+    else
+      {
+      os << indent << "Property: (none)\n";
+      }
+    os << indent << "Scale: (" << this->Scale[0] << ", " 
+      << this->Scale[1] << ", " << this->Scale[2] << ")\n";
+    os << indent << "Visibility: " << (this->Visibility ? "On\n" : "Off\n");
+    }
+}
+