Sorts the XY data using Morton ordering.
<?xml version="1.0" encoding="utf-8"?>
<Pipeline version="1.0">
<Writer type="writers.las">
<Option name="filename">
sorted.las
</Option>
<Filter type="filters.mortonorder">
<Reader type="readers.las">
<Option name="filename">
unsorted.las
</Option>
</Reader>
</Filter>
</Writer>
</Pipeline>