[vtkusers] VTK + Windows -> Commerical App - Feasibility ??

[Ketan Mehta]

Hi Tom,

Thanks a lot. I got something which I was looking for :)

Tom Parker wrote:
> I've built the same app in AVS/Express and MFC/VTK and the VTK version has a
> much lighter footprint.

Thanks for info.
 
> > 2) Speed seems to be slower.. same sort of 3D / 2D app with native
> >       windows will be little faster than vtk based.
> 
> Wrong again, not to mention you don't have to wait on FlexLM to let your app
>o water the garden or make a latte while
> FlexLM decides to let me work.

I agree about license manager's and their issues :(. 
 
> > 3) MicroCT - App from GE is VTK+Windows and works too slowly!!
> 
> When performance has been an issue with deployed VTK apps the problem has
> usually been a crap client machine. My clients are running on HP Viz
> Stations or Dell desktops with geforce2 or better cards with no problem.

I agreee, since on my server machine : Dell Precision 650 : 2GB RAM, Nvidia 
Quadro it worked fine.
 
> > 4) Not many people have used vtk directly for complete apps. It
> >       has to be modified to great extent..
> 
> The other toolkits also require extensive modification for most commercial
> projects. Apart from custom I/O routines we're using stock VTK and most of
> the customization app work is in the MFC GUI.

This is very good information for me. Thanks a lot !!
 
> > Apart from this if there are any other input, please share it.
> 
> The sad truth is that AVS5, AVS/Express, OpenDX, PVWave, TGS only have one
> or two developers maintaining them, if that! From the changelogs I've read
> there are more people contributing to VTK than all the other Viz toolkits
> put together.

I am surprised. Since sales pitch are very strong.

Just one question, which from your experience you can share. I am not able
to understand the viz market. Since while comparing vtk with others, TGS
etc were not coming winner and only VTK looked best if going for long term
/ short term gains.

Specific to medical, do you think offering from TerraRecon/Voxar are better ?
What works best for any product development ?

> Cheers,
> Tom
> 
> PS. VTK Rocks.
Still baby to decide about it :)


Thanks a lot
Ketan

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