Lisp getpoint (not finished!)

Matt666

Hi all!

I try to do a function like "GETPOINT" Lisp function.
I have one problem... I use a class method to do this function. It works great (I have not yet transformed into sub-function (or semi-invoked function), which may suspend the main function) but I want to assignate a variable to retrieve point clicked.
for example : pt=getpoint("Specify first point:")... But pt always returns active model... In fact it returns GetPoint.new result!

Do you know how to replace model result by point-clicked result, please?

Code is attached below...

This is a code, not a plugin!

Chris Fullmer

What happens if you draw a face and zoom in so that the face is taking up 100% of the screen and then try clicking on the face. Does that return that face?

Also, what is the msg variable supposed to contain? It is being sent into the class, but I haven't figured out what its supposed to do.

Chris

Chris Fullmer

Oh, I get the message bit now. It is the status text.

So what is the main thing you are trying to do? I'm not familiar with the LiSP that named. What does it do? Just click on a point and this will display the point 3d position?

Chris

Matt666

Hi Chris! Thank you for your answers!

This function will be used by coders. I hope this kind of function will be able to simplify coding work... Now, to know position of a point defined by the user, we have to use class methods. Here I hope you may create a function like this:

# Code example; To make a line by two points...
def speed_coding_line
  model=Sketchup.active_model
  model.entities.add_edges(getpoint("Specify start point; "),getpoint("Specify end point; "))
end

So I want code available in the first post (function getpoint(msg)) returns position of point clicked by the user.

Sorry for my bad english...

Chris Fullmer

Ahh, I'm getting it now. And you're trying to do it without using a global variable?

Matt666

Yes...

Chris Fullmer

With a global you could have your speed code setup like this:

def speed_coding_line
  model=Sketchup.active_model
  (getpoint("Specify start point; ")
  pt1 = $global_variable.clone
  (getpoint("Specify start point; ")
  pt2 = $global_variable.clone
  model.entities.add_edges( pt1, pt2 )
end

Not as simple, but it does the trick. I think since the $global_variable will be holding a Point3d object, you will need to .clone it or else you will get pt1 == pt2.

Is that a possible workaround? I don't like globals. Maybe someone else can figure out how to pass the variable back to the getpoint method.

Chris

Chris Fullmer

And maybe I should mention that the code above assumes that you add this to the onLbuttonDown method of the script:

$global_variable = pt.position

So that your class actually sets the global variable. Then the little code snippet I added above should work.

Chris

Matt666

I thought about that work-around method... I will use it until something better...
Thank you Chris!