Hi,

did you enable blending in your scene? What format texture are you loading?

jp

On 29/06/10 23:34, Tim Larson wrote:
I am attempting to utilize a transparent image as a texture map.

I can successfully display the transparent image as a texture on a simple 
rectangular geometry.

But, I would like to be able to "see through" to the background wherever the 
image is transparent.

I've utilized the osgHelp program "GeometryTexture" as a baseline and I can 
load my image, but the transparent parts of the image show through to the default gray 
material of the underlying geometry.  I see a gray rectangle with my image on top of it.  
Even though my image has many transparent areas.

I would like to be able to see through the transparent areas of the image into 
the background.  i.e. If all I have on the screen is a single rectangular 
geometry with my transparent image, then I'd like to see the blue background 
through the transparent parts of my image.

Can anyone give me a pointer or advise?

Thanks in Advance.

Tim

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