Ask the user to specify a point.
This function waits for the user to input a point. You can use the point argument to specify a beginning point from which a guide line will be drawn, extending to the target. The user can either enter a coordinate or pick a point manually.
You can also include a prompt to prompt the user for the point.
Examples
| Code | Returns |
|---|---|
| (getpoint) [pick point] |
no
response 11.40 7.05 0.0 |
| (getpoint
"Select a point: ") [pick point] |
Select a point: 2.05 3.55 |
| (getpoint
'(5.0 5.0) "Next point: ") [pick point] |
Next point: 6.70 7.30 |
Tell me about...
(inters point1 point2 point3 point4 [flag])
Programming Overview of LISP (LISt Processing) Language
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