diff --git a/src/Point1D.cc b/src/Point1D.cc
new file mode 100644
--- /dev/null
+++ b/src/Point1D.cc
@@ -0,0 +1,10 @@
+#include "YODA/Point1D.h"
+#include "YODA/Scatter1D.h"
+
+namespace YODA {
+
+
+    void Point1D::getVariationsFromParent() const{
+        if (this->getParentAO()) ((Scatter1D*) this->getParentAO())->parseVariations();
+    }
+}
diff --git a/src/Point2D.cc b/src/Point2D.cc
new file mode 100644
--- /dev/null
+++ b/src/Point2D.cc
@@ -0,0 +1,16 @@
+#include "YODA/Point2D.h"
+#include "YODA/Scatter2D.h"
+
+namespace YODA {
+
+
+    /// Get error map for direction @a i
+    const std::map< std::string, std::pair<double,double>> & Point2D::errMap() const {
+      getVariationsFromParent();
+      return _ey;
+      }
+
+    void Point2D::getVariationsFromParent() const{
+        if (this->getParentAO()) ((Scatter2D*) this->getParentAO())->parseVariations();
+    }
+}
diff --git a/src/Point3D.cc b/src/Point3D.cc
new file mode 100644
--- /dev/null
+++ b/src/Point3D.cc
@@ -0,0 +1,11 @@
+#include "YODA/Point3D.h"
+#include "YODA/Scatter3D.h"
+
+namespace YODA {
+
+
+
+    void Point3D::getVariationsFromParent() const{
+        if (this->getParentAO()) ((Scatter3D*) this->getParentAO())->parseVariations();
+    }
+}