How do I make intersect point by grasshopper?

yein6505 (yesun) May 28, 2019, 10:49am 1

190528-Dome.3dm (89.8 KB)
make%20a%20point 190528-Dome.gh (22.5 KB)

HS_Kim May 28, 2019, 11:22am 2

190528-Dome_re.gh (25.8 KB)

yein6505 (yesun) May 30, 2019, 8:15am 3

it is perfect. thanks a lot!