It would be helpful if the ! _ExtendSrf command has its own “Copy=Yes” option in the Command line, so that the extended surface will co-exist with the original surface. That option should remember the “Yes” or “No” during the session.
Got that, thanks
RH-78247 ExtendSrf: Copy=YesNo
-Pascal
1 Like
Thank you, @pascal ! I see that it’s scheduled for Rhino 9, so maybe waiting for 3 more years. That is still better than not having the option at all. 
Cheers!
P.S.: I noticed that there is no link directing to this thread in the page you provided.
There is now.
-w
1 Like
it is possible with a macro:
Sorry for the question, but what exactly is the point of making a copy of an extension if there is already the possibility of trimming and possibly keeping the two parts separate?
A practical example, I’m missing something…
Avoiding the constant use of Copy and Paste, followed by the unwanted extra mouse clicks necessary for the object selection pop-up menu due to having two copies of the same object before extending one of those. Also, preserving the original surface after extending its copy.
1 Like
It does not work in my Rhino 7. Maybe because I always use History?
I checked with history and it works fine here.
even nicer with redraw off:
_extendSrf _pause _pause _SetRedrawOff _sellast _copytoclipboard _undo _paste _SetRedrawOn
at which step / where does the macro stop / produce an error ?
are you working with preselecting an edge ? (one _pause less ?)
does it work like this
_selNone _extendSrf _pause _pause _SetRedrawOff _sellast _copytoclipboard _undo _paste _SetRedrawOn
None of these solutions works in my Rhino 7. Here is a short video where I had to manually press the “Paste” icon to get the extended copy of the original surface. Not sure why it will not work with the _Paste command at the very end of your macro.
did you try with the
_macroEditor
instead of copy paste the macro ?
what is really strange: the command “_Paste” from the macro is echoed in the command line
and if it would be a typo I would expect a “unkown command” as feedback…
and the second _Paste looks the same
… sorry I don t see the error.
EDIT: this is how it works here
(doesn t look like paste fails with rational surface ;-D)
For some reason the paste command does not work in my Rhino 7 when used in macro. However, it works as expected when it’s activated as a standalone command or if I press the Ctrl+V key combination.
I will try the Macro editor later.