[vtk-developers] VTK Hackathon this Thursday
David E DeMarle
dave.demarle at kitware.com
Thu Apr 27 14:40:43 EDT 2017
Thanks David!
Wish you could have made it. Next time perhaps.
David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909
On Thu, Apr 27, 2017 at 2:03 PM, David Doria <daviddoria at gmail.com> wrote:
> I just wanted to say that I was very excited to see this event! It seems
> like it's going well already - high five to all involved!
>
> David
>
> On Thu, Apr 27, 2017 at 11:40 AM, Jon Haitz Legarreta <
> jhlegarreta at vicomtech.org> wrote:
>
>> Hi,
>> although the example in this case does not seem too long to me, reaching
>> a consensus in terms of what results in a too long code or an overly
>> complicated example may be hard.
>>
>> There is already some sort of regression/baseline testing if the test
>> produces an output in terms of an image/file, right?
>>
>> Without harm to the idea of steadily adding more tests to/improving the
>> existing ones, if the examples are the entry-point for newcomers, I
>> wouldn't add explicit regression in their code.
>>
>> I'd favor the idea of making clear in the examples what is essential for
>> a VTK class to be used. Otherwise, if a given class requires a couple or a
>> few examples to show all of its potential or essential features, I'd add
>> them as needed.
>>
>> JON HAITZ
>>
>> --
>>
>> On 27 April 2017 at 18:03, Andy Bauer <andy.bauer at kitware.com> wrote:
>>
>>> Hi,
>>>
>>> A thought on these tests -- I'd like to add minimal testing to some of
>>> them. The thought here being that we both show good coding practice as well
>>> as verify that the examples work as expected. The concern though is that
>>> this could make the examples too long and obfuscate what we're trying to
>>> demonstrate in an example.
>>>
>>> Below is what I was thinking for the XMLPUnstructuredGridWriter example (
>>> http://www.vtk.org/Wiki/VTK/Examples/Cxx/IO/XMLPUnstructuredGridWriter).
>>> It roughly doubles the amount of lines in the example file.
>>>
>>> Thoughts on this? At the VTK hackathon it seems to generally be thought
>>> of as a good idea but I thought I'd put it out to the full dev list.
>>>
>>> Thanks,
>>> Andy
>>>
>>> ================
>>> #include <vtkDelaunay3D.h>
>>> #include <vtkSmartPointer.h>
>>> #include <vtkSphereSource.h>
>>> #include <vtkUnstructuredGrid.h>
>>> #include <vtkXMLPUnstructuredGridReader.h>
>>> #include <vtkXMLPUnstructuredGridWriter.h>
>>> #include <vtkXMLUnstructuredGridReader.h>
>>>
>>> int main(int, char *[])
>>> {
>>> vtkSmartPointer<vtkSphereSource> sphereSource =
>>> vtkSmartPointer<vtkSphereSource>::New();
>>> sphereSource->Update();
>>>
>>> vtkSmartPointer<vtkDelaunay3D> delaunay =
>>> vtkSmartPointer<vtkDelaunay3D>::New();
>>> delaunay->SetInputConnection(sphereSource->GetOutputPort());
>>> delaunay->Update();
>>>
>>> vtkSmartPointer<vtkXMLPUnstructuredGridWriter> writer =
>>> vtkSmartPointer<vtkXMLPUnstructuredGridWriter>::New();
>>> writer->SetInputConnection(delaunay->GetOutputPort());
>>> writer->SetFileName("Test.pvtu");
>>> writer->SetNumberOfPieces(4);
>>> writer->SetStartPiece(0);
>>> writer->SetEndPiece(3);
>>> writer->Update();
>>>
>>> // We should have created a Test.pvtu and Test_[0-3].vtu.
>>> // Check that the files exist and have the expected number of cells.
>>> vtkSmartPointer<vtkXMLPUnstructuredGridReader> preader =
>>> vtkSmartPointer<vtkXMLPUnstructuredGridReader>::New();
>>> preader->SetFileName("Test.pvtu");
>>> preader->Update();
>>> if (preader->GetOutput()->GetNumberOfCells() != 152)
>>> {
>>> cout << "Should have written out 152 cells but got "
>>> << preader->GetOutput()->GetNumberOfCells() << endl;
>>> return EXIT_FAILURE;
>>> }
>>> for (int i=0;i<4;i++)
>>> {
>>> vtkSmartPointer<vtkXMLUnstructuredGridReader> reader =
>>> vtkSmartPointer<vtkXMLUnstructuredGridReader>::New();
>>> std::string fileName = "Test_" + std::to_string(i) + ".vtu";
>>> reader->SetFileName(fileName.c_str());
>>> reader->Update();
>>> if (reader->GetOutput()->GetNumberOfCells() != 38)
>>> {
>>> cout << "Should have written out 38 cells but got "
>>> << reader->GetOutput()->GetNumberOfCells() << endl;
>>> return EXIT_FAILURE;
>>> }
>>> }
>>> return EXIT_SUCCESS;
>>> }
>>> =====================
>>>
>>> On Mon, Apr 24, 2017 at 4:24 PM, Bill Lorensen <bill.lorensen at gmail.com>
>>> wrote:
>>>
>>>> Dave,
>>>>
>>>> For those attending the hackathon I suggest they fork the VTK wiki
>>>> examples repo at https://github.com/lorensen/VTKWikiExamples and build
>>>> them.
>>>>
>>>> Also, I'd like to give a short talk at the beginning of the hackathon
>>>> to describe the current wiki example background and mechanisms.
>>>>
>>>> Thanks,
>>>>
>>>> Bill
>>>>
>>>>
>>>> On Mon, Apr 24, 2017 at 10:11 AM, David E DeMarle
>>>> <dave.demarle at kitware.com> wrote:
>>>> > I've started a shared doc with some suggestions of things we might
>>>> work on.
>>>> > Please improve the list as you see fit.
>>>> >
>>>> > https://docs.google.com/document/d/1U6NTAXWkdebcZp_ZhQo2LJm0
>>>> CBN78LM91yg7oaKgOZ8/edit?usp=sharing
>>>> >
>>>> >
>>>> > David E DeMarle
>>>> > Kitware, Inc.
>>>> > R&D Engineer
>>>> > 21 Corporate Drive
>>>> > Clifton Park, NY 12065-8662
>>>> > Phone: 518-881-4909
>>>> >
>>>> > On Mon, Apr 24, 2017 at 9:43 AM, David E DeMarle <
>>>> dave.demarle at kitware.com>
>>>> > wrote:
>>>> >>
>>>> >> Hello,
>>>> >>
>>>> >> Just a quick reminder about the upcoming VTK hackathon.
>>>> >>
>>>> >> The focus area will be VTK examples. Two different sets of which can
>>>> be
>>>> >> found
>>>> >> here:
>>>> >> https://gitlab.kitware.com/vtk/vtk/tree/master/Examples
>>>> >> and here:
>>>> >> http://www.vtk.org/Wiki/VTK/Examples
>>>> >>
>>>> >> We'll start at 9:30 EST time. If you happen to be near Clifton Park,
>>>> NY,
>>>> >> USA, drop me a line asap and I'll get you in to the building.
>>>> >>
>>>> >> Otherwise you can meet up with everyone online here:
>>>> >> https://hangouts.google.com/hangouts/_/kitware.com/dave-demarle
>>>> >>
>>>> >> David E DeMarle
>>>> >> Kitware, Inc.
>>>> >> R&D Engineer
>>>> >> 21 Corporate Drive
>>>> >> Clifton Park, NY 12065-8662
>>>> >> Phone: 518-881-4909
>>>> >
>>>> >
>>>> >
>>>> > _______________________________________________
>>>> > Powered by www.kitware.com
>>>> >
>>>> > Visit other Kitware open-source projects at
>>>> > http://www.kitware.com/opensource/opensource.html
>>>> >
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>>>> vtk-developers
>>>> >
>>>> > Follow this link to subscribe/unsubscribe:
>>>> > http://public.kitware.com/mailman/listinfo/vtk-developers
>>>> >
>>>> >
>>>>
>>>>
>>>>
>>>> --
>>>> Unpaid intern in BillsBasement at noware dot com
>>>> _______________________________________________
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>>>>
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>>>>
>>>
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>>>
>>>
>>
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
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>>
>> Follow this link to subscribe/unsubscribe:
>> http://public.kitware.com/mailman/listinfo/vtk-developers
>>
>>
>>
>
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at http://www.kitware.com/
> opensource/opensource.html
>
> Search the list archives at: http://markmail.org/search/?q=vtk-developers
>
> Follow this link to subscribe/unsubscribe:
> http://public.kitware.com/mailman/listinfo/vtk-developers
>
>
>
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