SPE-742: Builtin pad feature in zero elevation mode.

src/libslic3r/SLA/SLACommon.hpp

@@ -72,6 +72,7 @@ public:
     ~EigenMesh3D();
 
     inline double ground_level() const { return m_ground_level; }
+    inline double& ground_level() { return m_ground_level; }
 
     inline const Eigen::MatrixXd& V() const { return m_V; }
     inline const Eigen::MatrixXi& F() const { return m_F; }
@@ -149,6 +150,12 @@ public:
 #endif /* SLIC3R_SLA_NEEDS_WINDTREE */
 
     double squared_distance(const Vec3d& p, int& i, Vec3d& c) const;
+    inline double squared_distance(const Vec3d &p) const
+    {
+        int   i;
+        Vec3d c;
+        return squared_distance(p, i, c);
+    }
 };