Hi,
virtualplanetbuilder (VPB) nowadays support the idea of layers of
imagery (texture data) on the same elevation data. You could put your
vis data on one layer and the thermal data on another layer. You can
dynamically switch between them at runtime.
jp
Guy Volckaert wrote:
Hi,
I was wondering what’s the best way to simulate thermal signatures for targets and the terrain (i.e heat vision).
One simple and easy way is to load 2 models - one for day view and another for thermal
view. However, this poses a big problem for the terrain. I really don't want to load the
geometry of 2 terrains since that would require too much memory. BTW, I use the term
"model" to refer to an OpenFlight (FLT) file that I load.
Since the geometry of both day and thermal models are identical (at least in my case), I should be able to load the day model and then load the textures of the thermal model (without loading the geometry of the thermal model). This can easily be done by using a filename convention such as adding the suffix "_tml" at the end of every thermal texture filename.
This is all well in theory, but how do I implement it (I am still a rookie).
Can anyone help me on this?
BTW: I know that there are several techniques to produce good looking thermal
signatures using shaders, but that's too fancy for me right now. I just need
something simple that won't consume all my memory.
------------------
Read this topic online here:
http://osgforum.tevs.eu/viewtopic.php?p=6732#6732
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