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PDAL · Mar 20, 2019 · c6d3785 · c6d3785
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diff --git a/doc/tutorial/pcl_ground/index.rst b/doc/tutorial/pcl_ground/index.rst
@@ -22,12 +22,44 @@ SMRF [Pingel2013]_.
 
 filters.smrf :ref:`smrf <filters.smrf>`
 
+::
+
+    $ pdal translate -i CSite1_orig-utm.laz \
+        -o CSite1_orig-utm.smrf.laz \
+        --json /path/to/pipeline.json
+
+::
+
+    $ pdal translate -i CSite1_orig-utm.laz \
+        -o CSite1_orig-utm.smrf.laz \
+        smrf range \
+        --filters.range.limits="Classification[2:2]"
+
+.. literalinclude:: smrf-range.json
+
 .. image:: csite-smrf-default.png
    :height: 400px
 
+::
+
+    $ pdal translate -i CSite1_orig-utm.laz \
+        -o CSite1_orig-utm.denoised-smrf.laz \
+        outlier smrf range \
+        --filters.range.limits="Classification[2:2]" \
+        --filters.smrf.ignore="Classification[7:7]"
+
 .. image:: csite-smrf-denoise.png
    :height: 400px
 
+::
+
+    pdal translate -i CSite1_orig-utm.laz \
+        -o ~/Temp/smrf-denoise-cut20.laz \
+        outlier smrf range \
+        --filters.range.limits="Classification[2:2]" \
+        --filters.smrf.ignore="Classification[7:7]" \
+        --filters.smrf.cut=20
+
 .. image:: csite-smrf-cut.png
    :height: 400px
 
@@ -39,6 +71,12 @@ PMF [Zhang2003]_.
 
 filters.pmf :ref:`pmf <filters.pmf>`
 
+pdal ground -i ~/Data/bare_earth_eval/isprs/converted/laz/CSite1_orig-utm.laz -o ~/Temp/ground-kernel-defaults.laz -v4
+pdal ground -i ~/Data/bare_earth_eval/isprs/converted/laz/CSite1_orig-utm.laz -o ~/Temp/ground-kernel-defaults.laz --verbose 4
+pdal ground -i ~/Data/bare_earth_eval/isprs/converted/laz/CSite1_orig-utm.laz -o ~/Temp/ground-kernel-defaults.laz --extract --verbose 4
+pdal ground -i ~/Data/bare_earth_eval/isprs/converted/laz/CSite1_orig-utm.laz -o ~/Temp/ground-kernel-denoise.laz --extract --denoise --verbose 4
+pdal ground -i ~/Data/bare_earth_eval/isprs/converted/laz/CSite1_orig-utm.laz -o ~/Temp/ground-kernel-denoise-cell.laz --extract --denoise --cell_size=1.5 --verbose 4
+
 A complete description of the algorithm can be found in the article `"A
 Progressive Morphological Filter for Removing Nonground Measurements from
 Airborne LIDAR Data" <http://users.cis.fiu.edu/~chens/PDF/TGRS.pdf>`_ by K.

diff --git a/doc/tutorial/pcl_ground/smrf-range.json b/doc/tutorial/pcl_ground/smrf-range.json
@@ -0,0 +1,11 @@
+{
+    "pipeline": [
+        {
+            "type": "filters.smrf"
+        },
+        {
+            "type": "filters.range",
+            "limits": "Classification[2:2]"
+        }
+    ]
+}