<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div>Hello,</div><div><br></div><div>I am new in vtk and I would like to ask how can I <span style="font-size: 12pt; ">draw the coordinate system (x,y,z axes) in 3d.</span></div><div><span style="font-size: 12pt; "><br></span></div><div><span style="font-size: 12pt; ">Thank you in advance,</span></div><div>Helen</div><div><br></div> </div></body></html>