<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div dir="ltr" id="yui_3_16_0_1_1422617100595_2961">Hi to everyone!</div><div id="yui_3_16_0_1_1422617100595_2997" dir="ltr">I computed with finite elements a 2D velocity field. I plotted without any problem the velocity field with paraview. I would like to compute the gradient. <br></div><div id="yui_3_16_0_1_1422617100595_3021" dir="ltr">I tried Filters->Gradient of Unstructured Data Set but without succes.</div><div id="yui_3_16_0_1_1422617100595_3020" dir="ltr">Can you help me?</div><div id="yui_3_16_0_1_1422617100595_3022" dir="ltr">Thanks, <br></div><div id="yui_3_16_0_1_1422617100595_3019" dir="ltr">Nora<br></div></div></body></html>