Follow The Procedure Below
first you should check the format of the text file
only x y z separated by space no headings, comas or ...
open a new part
tool--> macro --> new
choose a name for it!
then you will go to the programming window (usually visual basic )!
type the program below (or you can download .swp that i upload)
note1 : check the directory (location) of the file
note2: it inserted the point in meters!
save the macro and go to the solidworks part window
select the macro you wrote
the points will be imported as below in 3Dsketch
now you can do what you want with the point!
i wanted to make surfaces that cross the points!