Re: [wxVTK] about wxVTK

[f18m_217828 <f18...@ya...>]

Hi,

Mathieu Malaterre wrote:

 >     More seriously you cannot compare gnuplot to VTK, but VTK does a 
pretty good job at large dataset, and tons of 3d stuff. This is an 
abstract layer above OpenGL. It has wrapping for Tcl, Python, Java and 
even octave (matlab clone). The learning curve is reasonable not too 
steep but keep in mind that there is almost 1000 classes just in VTK 
itself (not counting users contrib, example, and project like paraview).

well, I would like to create a plotter with two main features (which are 
lacking from a lot of other packages out there):

1) user-interaction: I would like to be able to intercept user clicks on 
the plot and then perform some actions if the click was over the 
function plot, some others if user clicked over the axes and so on... I 
could not find a plot package with something like a HitTest function 
which tells me which part of the plot is tied to (x,y); can VTK do this ?

2) animated plots: I would like to be able to render flickering-free 
animating plots (imagine a parametric function plot where the user can 
see the different plots for different values of the parameter in real 
time...); I suppose VTK should have no excessive problems to do this.... 
is it ?

My program could give to VTK a dataset which it then would plot; another 
question: can I draw axes and labels with VTK ?


 > As for 2. wxVTK is only a bridge between wxWidget and VTK. So you can 
use it in your wx project and it allow you access to the full power of 
VTK. But wxVTK is pretty generic there is nothing done in particular for 
math user like you.

I'm asking you because I've been searching a good plot packages flexible 
enough to give me those two features I told you before; I've found a LOT 
of plotting packages but when you select those which are:

1) open source (gnuplot, for example, is not GPL)
2) written in c++
3) cross-platform

you'll find that the list is not so long ;-)
I thought that with some additional work in my program (basically to do 
the dataset creation) I could solve my problems with wxVTK...

Thanks a lot,
Francesco


 > f18m_217828 wrote:
 >
 >> Hi,
 >>    I'm the admin of the MathStudio project 
(http://mathstudio.sourceforge.net) and I'd like to ask you a couple of 
things about your wxVTK project:
 >>
 >> 1) I'm a C++ wx-user since quite much time but I've never used VTK; 
so, before any other question, I need to know: VTK can be used to plot 
math data ?
 >>
 >> 2) If yes, wxVTK allows to use VTK in this sense ?
 >>
 >> Thanks,
 >> Francesco Montorsi
 >>
 >>
 >>
 >>
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