pst-spec­tra – Draw con­tin­uum, emis­sion and ab­sorp­tion spec­tra with PSTricks

The pack­age is a PSTricks ex­ten­sion, based on a NASA lines database. It al­lows you to draw con­tin­uum, emis­sion and ab­sorp­tion spec­tra. A To­tal of 16 880 vis­i­ble lines from 99 el­e­ments can be dis­played.
The pack­age re­quires the xkey­val pack­age for de­cod­ing its ar­gu­ments.