[vtkusers] Very basic doubt of using vtk in c++

David E DeMarle dave.demarle at kitware.com
Wed Feb 10 15:31:56 EST 2010


There is also numpy. It brings python app speed very close to what an
equvalent c++ app can do when the slowdown is in number crunching loops.

David E DeMarle
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-371-3971 x109


On Wed, Feb 10, 2010 at 3:18 PM, Lic. José M. Rodriguez Bacallao <
jmrbcu at gmail.com> wrote:

> ok, is your personal choice, for myself, I do everything in python and
> computacional intensive task in C/C++ and if posible, make bindings
> for python.
>
> On 2/10/10, KS Jothybasu <jothybasu at gmail.com> wrote:
> > I mostly deal with speed-critical or computationally intensive tasks.
> >
> > So c++ is faster, but development time could be more ( but it depends on
> the
> > persons expertise, some can make the same c++ code faster when it comes
> to
> > complex projects.)
> >
> > Building .exe in python is trickier and time consuming, in C++ its
> > straightforward.
> >
> > Whatever example I look for, is mostly in c++ (VTK,QT,ITK,...)
> >
> > After looking into this vtk c++ examples I felt I can learn C++
> >
> > Finally, I am not going to discard Python, just trying a new language!
> >
> > Thanks for your interest
> >
> > Jothy
> >
> >
> >
> > On Wed, Feb 10, 2010 at 6:34 PM, Lic. José M. Rodriguez Bacallao <
> > jmrbcu at gmail.com> wrote:
> >
> >> why are U switching from python to C++, there is any problem with
> python?
> >>
> >> On 2/10/10, KS Jothybasu <jothybasu at gmail.com> wrote:
> >> > Hi all,
> >> >
> >> > Don't get irritated by this basic question, because I have never used
> >> C/C++
> >> > (but I could understand the code).
> >> >
> >> > Now I want to slowly switch to c++ from python. So, as a first step I
> >> > downloaded Qt creator and copied some vtk examples and tried to run ,
> >> > but
> >> it
> >> > says no header files
> >> > found. I have installed vtk 5.4.2. Is there anything to be done, like
> >> seiing
> >> > the path,etc....
> >> >
> >> >
> >> > Many thanks
> >> >
> >> > Jothy
> >> >
> >>
> >>
> >> --
> >> Lic. José M. Rodriguez Bacallao
> >> Centro de Biofisica Medica
> >> -----------------------------------------------------------------
> >> Todos somos muy ignorantes, lo que ocurre es que no todos ignoramos lo
> >> mismo.
> >>
> >> Recuerda: El arca de Noe fue construida por aficionados, el titanic
> >> por profesionales
> >> -----------------------------------------------------------------
> >>
> >
>
>
> --
> Lic. José M. Rodriguez Bacallao
> Centro de Biofisica Medica
> -----------------------------------------------------------------
> Todos somos muy ignorantes, lo que ocurre es que no todos ignoramos lo
> mismo.
>
> Recuerda: El arca de Noe fue construida por aficionados, el titanic
> por profesionales
> -----------------------------------------------------------------
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