Topic: Dual Mode Selection for Lisp routines

[HeavyThumper]

Most of the lisp routines I've seen involve executing the command first - then selecting the entities to be operated on. But in xCAD I'm used to being able to also pre-select my targets prior to command execution - and having the command recognize which mode it's being called in.

Is there an example of such dual-mode selection available?

[JohnK]

Cannot you just use PSELECT to select items then execute the lisp and use the "P" (for previous)?

[Tharwat]

If you are using the ssget to select objects then you can try the following which will proceed with the preselected object(s) otherwise it will ask the user to select objects and of course you need the filter to target certain type of objects.

Code - Auto/Visual Lisp: [Select]

1. (ssget "_:L-I")
2.  

[HeavyThumper]

If you are using the ssget to select objects then you can try the following which will proceed with the preselected object(s) otherwise it will ask the user to select objects and of course you need the filter to target certain type of objects.

Code - Auto/Visual Lisp: [Select]

1. (ssget "_:L-I")
2.  

I think...that's what I'm looking for. Is there a reason this construct is not used more often (at least, not that I've seen)?

[Tharwat]

I think...that's what I'm looking for. Is there a reason this construct is not used more often (at least, not that I've seen)?

It depends on the author of the codes and not all codes you see on the web is valid to use or even to try.

[Lee Mac]

Typically ssget will accept an implied selection even without the inclusion of the "I" mode string.

[BIGAL]

Its the world of Noun - Verb, Verb - Noun. Its also relevant to your question before or after.

Some software insists you make selection 1st then command, a lot of code posted uses the ssget filters so often the filter value is not known till you pick an object to get its property value. Then select.

For me just years of command then ask for selection.