<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div id="yiv214710958"><div><div style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; "><div id="yiv214710958yui_3_2_0_22_133849677815740" style="font-size: 12pt; font-family: times, serif; ">Can someone tell me how to get the actor for an vtkUnstructuredGrid to actually update (I'm doing an animation) when I change the underlying points with Python code like:</div><div id="yiv214710958yui_3_2_0_22_133849677815740" style="font-size: 12pt; font-family: times, serif; "><br id="yiv214710958yui_3_2_0_22_133849677815791"></div><div id="yiv214710958yui_3_2_0_22_133849677815740"><div id="yiv214710958yui_3_2_0_22_133849677815740"><font face="'times new roman', 'new york', times, serif" id="yiv214710958yui_3_2_0_22_133849677815779"><span
class="yiv214710958Apple-tab-span" style="white-space:pre;" id="yiv214710958yui_3_2_0_22_133849677815786"> </span>pts = self.aPolyLineGrid.GetPoints()</font></div><div id="yiv214710958yui_3_2_0_22_133849677815740"><font face="'times
new roman', 'new york', times, serif" id="yiv214710958yui_3_2_0_22_133849677815774"> for i in range(len(self.elementList)):</font><span style="font-family: times, serif; "> </span></div><div id="yiv214710958yui_3_2_0_22_133849677815740"><font face="'times new roman', 'new york', times, serif" id="yiv214710958yui_3_2_0_22_133849677815796"> pts.SetPoint(i,self.elementList[i].loc.toTuple())</font></div><div id="yiv214710958yui_3_2_0_22_133849677815740"><font face="'times new roman', 'new york', times, serif" id="yiv214710958yui_3_2_0_22_1338496778157101"><br></font></div><div id="yiv214710958yui_3_2_0_22_133849677815740"><font face="'times new roman', 'new york', times, serif" id="yiv214710958yui_3_2_0_22_1338496778157106">I follow this with self.aPolyLineGrid.Update() but nothing changes on screen though I've verified that the points list is
changing. Oddly, when I use </font><span style="font-family: times, serif; ">self.edgeActor.SetPosition(self.centerOfMass.x,self.centerOfMass.y,self.centerOfMass.z)</span></div><div id="yiv214710958yui_3_2_0_22_133849677815740"><span style="font-family: times, serif; "> </span></div></div></div></div></div></div></body></html>