[vtkusers] connecting points in from vtkPoints

Rakesh Patil rakeshthp at in.com
Mon Feb 1 12:16:53 EST 2010


 Hi.I guess vtkStripper produces vtkPolydata as its output.. so How can be the polyline extracted from vtkstripper?As u said, i'm using the points from stripper and producing polyline of my own..Thanks Original message From:Bill Lorensen< bill.lorensen at gmail.com >Date: 01 Feb 10 19:19:48Subject:Re: [vtkusers] connecting points in from vtkPointsTo: Rakesh Patil Are you using the polyline generated by the stripper or creating yourown? You must use the one produced by the stripper.On Mon, Feb 1, 2010 at 4:14 AM, Rakesh Patilwrote:>> 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 01:22:41> Subject: Re: [vtkusers] connecting points in from vtkPoints> To: rakeshthp at in.com>> Thanks,>> David>>>> On Sat, Jan 30, 2010 at 12:25 PM, Rakesh Patil wrote:>> I need to store the points in an array.. but vtkStripper is not returning>> th
 e 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: 3 0 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.>>>>>> vtkPoint
 s *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 => vtkSm
 artPointer::New();> st ripper>SetInputConnection( contFilter>GetOutputPort());> stripper>Update();> vtkPoints *pt = stripper>GetPoints();>> Does that change anything?>> Dave> > 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>>> 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>> 
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