[vtkusers] connecting points in from vtkPoints

[Rakesh Patil]

 Yes it does changes ... I get the points.. But when i connect these points using polyline, again i get a zigzag lines... Original message From:David Doria< daviddoria+vtk at gmail.com >Date: 31 Jan 10 01:22:41Subject:Re: [vtkusers] connecting points in from vtkPointsTo: rakeshthp at in.comThanks,DavidOn Sat, Jan 30, 2010 at 12:25 PM, Rakesh Patilwrote:> I need to store the points in an array.. but vtkStripper is not returning> the points.. i tried implementing it as follows>> vtkStripper *sp = vtkStripper::New();>> sp>SetInputConnection( contFilter>GetOutputPort());>> vtkPoints *pt = sp>GetPoints();>> Here pt is not showing any values.. It is all empty..>>  Original message > From:Bill Lorensen< bill.lorensen at gmail.com >> Date: 30 Jan 10 18:44:20> Subject: Re: [vtkusers] connecting points in from vtkPoints> To: Rakesh Patil>> Use vtkStripper to order the line segments output from vtkContourFilter.>> On Fri, Jan 29, 2010 at 5:30 AM, Rakesh Patil wrote:>> Hello,>>>> I have a scatter
  data, (xyz file), where x and y are long, and lat resp>> and>> z is depth. I need to extract a zero contour from this xyz data. I use>> vtkContourFilter to extract the points for zero contour.>>>> I get the points what i require correctly.. But if i connect them>> serially,>> it shows that points are connected in a zigzag form. I get points>> directly>> from contuorfilter. i.e.>>>> vtkPoints *pts = contFilter>GetOutput()>GetPoints();>>>> What and how do i do, so that when i connect the points, i get a decent>> connected line, instead of zig zag ..?>>>> Thanks>>>> Regards>>>>>> Dear vtkusers ! Get Yourself a cool, short @in.com Email ID now!>> >> Powered by www.kitware.com>>>> Visit other Kitware opensource projects at>> http://www.kitware.com/opensource/opensource.html>>>> Please keep messages ontopic and check the VTK FAQ at:>> http://www.vtk.org/Wiki/VTKFAQ>>>> Follow this link to subscribe/unsubscribe:>> http://www.vtk.org/mailman/listinfo/vtkusers>>>>>> > Powered by www
 .kitware.com>> Visit other Kitware opensource projects at> http://www.kitware.com/opensource/opensource.html>> Please keep messages ontopic and check the VTK FAQ at:> http://www.vtk.org/Wiki/VTKFAQ>> Follow this link to subscribe/unsubscribe:> http://www.vtk.org/mailman/listinfo/vtkusers>>Try updating the stripper:vtkSmartPointer stripper =vtkSmartPointer::New();stripper>SetInputConnection( contFilter>GetOutputPort());stripper>Update();vtkPoints *pt = stripper>GetPoints();Does that change anything?DavePowered by www.kitware.comVisit other Kitware opensource projects at http://www.kitware.com/opensource/opensource.htmlPlease keep messages ontopic and check the VTK FAQ at: http://www.vtk.org/Wiki/VTKFAQFollow this link to subscribe/unsubscribe:http://www.vtk.org/mailman/listinfo/vtkusers Get Yourself a cool, short @in.com Email ID now!
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