G38 fixes for probe visualization per mlampert

src/Mod/Path/App/PathSegmentWalker.cpp

@@ -342,9 +342,10 @@ void PathSegmentWalker::walk(PathSegmentVisitor &cb, const Base::Vector3d &start
             lrot = nrot;
 
 
-        } else if ((name=="G38.2")||(name=="38.3")||(name=="G38.4")||(name=="G38.5")){
+        } else if ((name=="G38.2")||(name=="G38.3")||(name=="G38.4")||(name=="G38.5")){
             // Straight probe
             cb.g38(i, last, next);
+            last = next;
         } else if(name=="G17") {
             pz = &Base::Vector3d::z;
         } else if(name=="G18") {

src/Mod/Path/Gui/ViewProviderPath.cpp

@@ -549,6 +549,7 @@ public:
 
     virtual void g38(int id, const Base::Vector3d &last, const Base::Vector3d &next)
     {
+#if 0
       Base::Vector3d p1(next.x,next.y,last.z);
       points.push_back(p1);
       colorindex.push_back(0);
@@ -561,6 +562,11 @@ public:
       colorindex.push_back(0);
 
       pushCommand(id);
+#else
+      (void)last;
+      const std::deque<Base::Vector3d> pts{};
+      gx(id, &next, pts, 2);
+#endif
     }
 
 private: