xyz values are int32_t, not uint32_t for LAS data. We should use a reference to the dimension when applying scaling for the summary data. Only throw exceptions when we don't have XYZ data. Otherwise, write 0's
xyz values are int32_t, not uint32_t for LAS data. We should use a reference to the dimension when applying scaling for the summary data. Only throw exceptions when we don't have XYZ data. Otherwise, write 0's

lucadelu/PDAL,lucadelu/PDAL,radiantbluetechnologies/PDAL,verma/PDAL,verma/PDAL,DougFirErickson/PDAL,jwomeara/PDAL,mtCarto/PDAL,DougFirErickson/PDAL,verma/PDAL,mtCarto/PDAL,radiantbluetechnologies/PDAL,mtCarto/PDAL,verma/PDAL,mpgerlek/PDAL-old,verma/PDAL,boundlessgeo/PDAL,DougFirErickson/PDAL,mpgerlek/PDAL-old,lucadelu/PDAL,radiantbluetechnologies/PDAL,Sciumo/PDAL,mpgerlek/PDAL-old,boundlessgeo/PDAL,verma/PDAL,jwomeara/PDAL,boundlessgeo/PDAL,Sciumo/PDAL,mpgerlek/PDAL-old,jwomeara/PDAL,Sciumo/PDAL,verma/PDAL,mtCarto/PDAL,lucadelu/PDAL,jwomeara/PDAL,boundlessgeo/PDAL,Sciumo/PDAL,DougFirErickson/PDAL,radiantbluetechnologies/PDAL