hey , I have bunch of points and I want to chanege all point.z to 0
how can i do that?
regards,
Hello @nia98bim and welcome …something probably 
here for points as i dont see any vectors in your image
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Hey thank you for your response,
Let me explain more:
I want to get start and end points from walls ,Windows , door to create line for Dimension.
but the thing was the windows and walls max point has z>0 that i want to cinvert them to z=o
to create line with them.
Point.Project might be an option
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You need to get the point x y before feed into you point by coordinates…
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done it thank ,
and just a shrt question do you know how can I get star and end point of door that this situation not happen?
sorry for my bad drawing 
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