*! version SWS3/stb-2:gr3/stb-12:gr3.1  gr3 utility
program define gr3save
	version 2.1
	capture conf var _vy _vyy _vx
	if _rc { 
		di in red "3d graph data not in memory"
		exit 198
	}
	mac def _using "req noprefix"
	mac def _options "REPLACE"
	parse "using %_*"
	save %_using`.3d, %_replace
end
exit
/*
	gr3save filename

	End-user command to save 3d-data currently in memory in dataset.  
	Suffix will be ".3d"

	Also see gr3use 
*/