try to make the data copying a little faster when packing the dimensions together by caching the dimension details rather than fetching them from the multi_index for each point
try to make the data copying a little faster when packing the dimensions together by caching the dimension details rather than fetching them from the multi_index for each point

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