<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Is it possible to name surace zones in VTK ascii file that can be latter opened at paraview<br><br>Just like inlet surface zone , wall surface zone etc<br><br>My problem flow past a sphere(hollow) I want to Chane the color of these sphere surface inside the flow field . Is it possible<br><br>Also is it possible to find the pressure drag using para-view?<br></td></tr></table>