[vtkusers] Re: Loading large data sets

[Roger Blum]

Hi Kevin,

I am building a map based 3D visualization system for a simulation software. 
I have maps in 3 different resolutions. For the smallest resolution 
1:100'000 I have a set of about 30 maps (each 9600 x 4800 pixels). A typical 
simulation area consists of 4 to 8 of these maps (plus the higher 
resolutions: 1 map each). In addition to this I have the elevation data 
which I use to create a 3D model of the simulation area.
I use vtk5.0 and Tcl/Tk and it works pretty good. The only thing I would 
like to improve at the moment is the fact that the whole application 
freezes,
when more data has to be loaded, as the image files are quite big.

Do you know a way in vtk to preload the data in the background (separate 
thread)?

I have posted a similar request on the comp.lang.tcl newsgroup with the 
answer to not use tcl threads.

Do you know an other  way to improve the responsiveness of my application?

Thanks,
Roger