[vtkusers] Writing a file

[Bill Lorensen]

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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>> >
>> >
>>
>>
>>
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>> Unpaid intern in BillsBasement at noware dot com
>
>



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