<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym18_1_1459599944981_7126">Hello,</div><div id="yui_3_16_0_ym18_1_1459599944981_7126"><br></div><div id="yui_3_16_0_ym18_1_1459599944981_7126">After loading two actors, actor1 and actor2, I wish to be able to quickly align them, so that actor2 would be parallel to the closest surface of actor1. Is there any easy way to do that in vtk?</div></div></body></html>