...
By default, lines with three real numbers separated bu spaces are imported.
...
Comments starts with: specify the comment character to skip lines, for instance # will skip lines starting with this characted
Format of lines: if the coordinates of the points are defined in a specific format, the user can enter here a C/C++ string format to parse the coordinates, for instance:
%g %g %g will read X Y Z coordinates separated by spaces
%g, %g, %g will read X Y Z coordinates separated by commas
%*d %g %g %g will read X Y Z coordinates after discarting the first 'index'
Create delaunay mesh after import: if enabled, after importing the points a triangle / tetrahedral mesh will be created using the delaunay mesher.
...
OBJ: Wavefront Object format from Wavefront Technologies
OFF: Object file format vector graphics file from Geomview
PLY: Polygon file format, aka Stanford Triangle Format, from the Stanford graphics lab.
PLY-tcl: this plug-in is the same as the above PLY one but with a tcl's progress bar showing the tasks done in the library while a ply file is imported.