Use eigen conversions

source/armarx/navigation/components/dynamic_scene_provider/HumanTracker.cpp

@@ -3,6 +3,7 @@
 
 #include "ArmarXCore/core/exceptions/local/ExpressionException.h"
 
+#include <armarx/navigation/conversions/eigen.h>
 #include <range/v3/range/conversion.hpp>
 #include <range/v3/view/transform.hpp>
 
@@ -29,7 +30,7 @@ namespace armarx::navigation::components::dynamic_scene_provider
         centerPos /= size;
 
         core::Pose2D pose = core::Pose2D::Identity();
-        pose.translation() = centerPos.head(2);
+        pose.translation() = conv::to2D(centerPos);
         //TODO: angle
         pose.linear() = Eigen::Rotation2Df(0).toRotationMatrix();