diff --git a/SuperBuild/cmake/External-PDAL.cmake b/SuperBuild/cmake/External-PDAL.cmake
index 37afd7c6..7faae6e2 100644
--- a/SuperBuild/cmake/External-PDAL.cmake
+++ b/SuperBuild/cmake/External-PDAL.cmake
@@ -7,8 +7,8 @@ ExternalProject_Add(${_proj_name}
   STAMP_DIR         ${_SB_BINARY_DIR}/stamp
   #--Download step--------------
   DOWNLOAD_DIR      ${SB_DOWNLOAD_DIR}
-  URL               https://github.com/PDAL/PDAL/archive/1.4.0.tar.gz 
-  URL_MD5           e55c17902d3ed6364454c9d1ad62ff43 
+  URL               https://github.com/PDAL/PDAL/archive/aea5bb0cacc64b91d626eff491fbdbb5668c06d7.tar.gz
+  URL_MD5           726933f63f661e11e13775d6ce4e5ed0 
   #--Update/Patch step----------
   UPDATE_COMMAND    ""
   #--Configure step-------------
diff --git a/opendm/types.py b/opendm/types.py
index b874bcec..54892e94 100644
--- a/opendm/types.py
+++ b/opendm/types.py
@@ -182,7 +182,9 @@ class ODM_GeoRef(object):
                    '    }},' \
                    '    {{' \
                    '      "a_srs":"EPSG:{epsg}",' \
-                   '      "forward":"scale",' \
+                   '      "offset_x":"{east}",' \
+                   '      "offset_y":"{north}",' \
+                   '      "offset_z":"0",' \
                    '      "filename":"transformed.las"' \
                    '    }}' \
                    '  ]' \
@@ -219,8 +221,11 @@ class ODM_GeoRef(object):
                        '        "radius":"{sample_radius}"' \
                        '    }},' \
                        '    {{' \
-                       '        "type":"filters.pmf",' \
-                       '        "extract":"true"' \
+                       '        "type":"filters.pmf"' \
+                       '    }},' \
+                       '    {{' \
+                       '      "type":"filters.range",' \
+                       '      "limits":"Classification[2:2]"' \
                        '    }},' \
                        '    {{' \
                        '        "resolution": {gdal_res},' \