<html><body><div style="color:#000; background-color:#fff; font-family:tahoma, new york, times, serif;font-size:10pt"><div>Hello everybody , </div><div><br></div><div style="color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-family: tahoma, 'new york', times, serif; background-color: transparent; font-style: normal;">There is a point cloud and I made a surface <span style="font-size: 10pt;">by using Powercrust</span><span style="background-color: transparent;">. Now , I need to tag some areas on this surface , I mean when I select a point on surface by mouse , It should show a circle in another color with a default radius around that point . </span></div><div style="color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-family: tahoma, 'new york', times, serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size:
13.333333015441895px; font-family: tahoma, 'new york', times, serif; background-color: transparent; font-style: normal;">I have no problem with picking procedure but I don't know how to draw a circle on pre-drawn surface .</div><div style="color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-family: tahoma, 'new york', times, serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-family: tahoma, 'new york', times, serif; background-color: transparent; font-style: normal;">Many thanks for your advice , </div><div style="color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-family: tahoma, 'new york', times, serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-family: tahoma, 'new york', times, serif; background-color: transparent; font-style:
normal;">Majid </div></div></body></html>