[vtkusers] Writing a file

[Bill Lorensen]

Does the file contain anything other than triangles? STLWriter only
handles triangles.

On Wed, Mar 28, 2012 at 12:03 PM, Darshan Pai <darshanpai at gmail.com> wrote:
> Yes it is a Polydata .
> Regards
> Darshan
>
>
> On Wed, Mar 28, 2012 at 2:59 PM, Bill Lorensen <bill.lorensen at gmail.com>
> wrote:
>>
>> There were no changes in the .vtk file format. However, the .vtk
>> format can contain several types of vtk data. Does your contain
>> PolyData?
>>
>> On Wed, Mar 28, 2012 at 11:49 AM, Darshan Pai <darshanpai at gmail.com>
>> wrote:
>> > Yes it is a vtk File . I hope there were no changes to the vtk file
>> > format ?
>> > Because this vtk file was generated from VTK 4.4 . Since we are moving
>> > everything to a newer version of VTK , I want to make sure older files
>> > do
>> > not need to be reworked on
>> >
>> > Regards
>> > Darshan
>> >
>> >
>> > On Wed, Mar 28, 2012 at 2:44 PM, Bill Lorensen <bill.lorensen at gmail.com>
>> > wrote:
>> >>
>> >> In VTK6, SetInput is gone! You did the right thing by changing it to
>> >> SetInputConnection. (BTW, SetInputConnection works in VTK5 also).
>> >>
>> >> Try removing your VTK build tree and rebuilding vtk. Something strange
>> >> is going on, perhaps elsewhere in your code. I assume that the input
>> >> file is a vtk polydata file?
>> >>
>> >> On Wed, Mar 28, 2012 at 11:39 AM, Darshan Pai <darshanpai at gmail.com>
>> >> wrote:
>> >> > This version of vtk was the nightly build from yesterday . The
>> >> > following
>> >> > code was working before without problems .
>> >> >
>> >> > char *buffer;
>> >> > buffer = _getcwd(NULL,0);
>> >> > QString path(buffer);
>> >> > QString filename = QFileDialog::getOpenFileName(this,"LoadVTk
>> >> > Files",path,
>> >> > "Txt (*.vtk)");
>> >> >     vtkPolyDataReader *slcreader = vtkPolyDataReader::New();
>> >> >        slcreader->SetFileName(filename.toStdString().c_str());
>> >> >
>> >> >   std::string wq = "image.stl";
>> >> >  // wq.replace(wq.size()-3,3,"stl");
>> >> >  // cout << wq << endl;
>> >> >
>> >> >   vtkSTLWriter *stlwriter = vtkSTLWriter::New();
>> >> >   stlwriter->SetFileName(wq.c_str());
>> >> >   stlwriter->SetInputConnection(slcreader->GetOutputPort());
>> >> >   stlwriter->Update();
>> >> >
>> >> > That is all i have in the app . I changed the stlwriter->SetInput to
>> >> > stlwriter->SetInputConnection() because the former function does not
>> >> > link .
>> >> >
>> >> >
>> >> >
>> >> > On Wed, Mar 28, 2012 at 2:21 PM, Bill Lorensen
>> >> > <bill.lorensen at gmail.com>
>> >> > wrote:
>> >> >>
>> >> >> What version of vtk? Also can you post a small, compilable example
>> >> >> that illustrates the error? Looks like a programming bug on your
>> >> >> part.
>> >> >>
>> >> >> On Wed, Mar 28, 2012 at 11:18 AM, Darshan Pai <darshanpai at gmail.com>
>> >> >> wrote:
>> >> >> > I am reading a VTK file and saving it as an STL file .
>> >> >> > My issue is that I am getting this strange error :
>> >> >> > ERROR: In
>> >> >> >
>> >> >> > O:\qt-everywhere-opensource-src-4.8.0\VTK\Filtering\vtkExecutive.cxx,
>> >> >> > line
>> >> >> > 377
>> >> >> > vtkStreamingDemandDrivenPipeline (00AC0C00): Attempt to get input
>> >> >> > information vector from input port index 11252952 for algorithm
>> >> >> > vtkSTLWriter(00ACCB50), which has 1 input ports.
>> >> >> >
>> >> >> >
>> >> >> > This was working fine before . The only change I did from before
>> >> >> > was
>> >> >> > I
>> >> >> > compiled VTK with Shared_libs option On.
>> >> >> > Since making dlls. the vtkSTLWriter does not recognize SetInput()
>> >> >> > either
>> >> >> > .
>> >> >> >
>> >> >> > Regards
>> >> >> > Darshan
>> >> >> >
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>> >> >>
>> >> >>
>> >> >>
>> >> >> --
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>> >> >
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Unpaid intern in BillsBasement at noware dot com
>> >
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>>
>>
>>
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