[Gmsh] some question about how to use GMSH

[Geordie McBain]

2010/5/17 463575346 <463575346 at qq.com>:
> now i get a doubt about how to use GMSH ,first i want to ask that how to
> delete elements (such as point ,line)when i find i have made wrong input.

In the GUI (which is I presume where you're working, the need to
delete entities arising much less often in scripts):
Geometry/Elementary Entities/Delete/Point then mouse-click on the
unwanted point or points and type 'e'.  Voila.