RE: [www-vrml] combining textures and materials

[Paul Aslin <fabricatorgeneral@yahoo.com>]

perl has additional libraries which can directly modify and
even create from scrath png textures. For example if can
overlay images using existing alpha channels.

Another option is to use the PixelTexture node to store
images internally within the world itself. These can be
directly modified using vrmlscript. Large resolution
versions of these can take awhile to create using just
vrmlscript though. These are ways to speed up the process
though.

--- swe@cyworx.com wrote:
> Hi Sergey, Kay and list,
> 
> yup, it's the solution Kay wrote:
> PHP can use a png, gif, jpg -lib, java too, it is
> possible
> to compute the final image with it by parameters given.
> Even if the 
> 'layer' idea would give a bit more easy
> (vrml-)interactive manipulation 
> posibilities.
> 
> The very next idea is that the image can
> changed(reloaded) inside the 
> vrml(/x3d) on the fly (in bxx ok, guess in cortona too).
> This would be the solution on my terrain-editor, where I
> do 'plant'
> trees and then also could 'set' shaddows on the ground.
> Great!
> 
> The only hook is that such an image to load would be big,
> cause I use one 
> image repeated on a 33x33 grid (5m dx,dy) yet.
> 
> But this could be solved if I use a java-applet that
> could talk to a vrml,
> no need for a texture load then anymore.
> 
> nice idea!
> 
>  	hermetic



		
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