AccuRender nXt

advanced rendering for AutoCAD

alpha masking problem

on xfrog trees, I experienced the following problem: the material uses alpha masking and the mask is not 100% transparent. Rendering, material definition and texture are attached.

The same problem experienced on nXt trees earlier on

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Permalink Reply by Roy Hirshkowitz on July 1, 2011 at 3:13pm
Send the drawing and I'll take a look.  This should work fine-- one obvious thing that will mess things up is if the refractive background is set to something different.
Permalink Reply by Ros. Riha on July 4, 2011 at 7:23am

Thanks, drawing being uploaded. Different settings of the refractive background as well as different fresnel and IOR settings tried before uploading with no avail...

BTW: what is the correct setting for the refractive background? And what is the diffference between "Sky" and "Visible" settings?

 

Permalink Reply by Roy Hirshkowitz on July 4, 2011 at 7:48am
The Visible Sky Intensity was set to 0.3.  The Refractive Sky Intensity was set to 1.0.  I made them both 1.0 and got the following picture.
Permalink Reply by Ros. Riha on July 4, 2011 at 8:45am

thank you, this setting works nicely - I cannot remember why would I change the Visible Sky intensity...otoh, some time in the future, I think changing this should not cause the mask to appear...

pls, what is the difference between "sky" and "visible" setting for the refractive background?

Permalink Reply by Roy Hirshkowitz on July 4, 2011 at 9:02am

It will-- don't change these.

Sky causes the refractive background to match the sky.  Visible causes the refractive background to match the visible background.  Don't change these.

Permalink Reply by Jorge Javier Lara Domínguez on July 1, 2011 at 3:59pm
Roy en NXT tiene Plug In para arboles Xfrgo? como se insertan?
Permalink Reply by Roy Hirshkowitz on July 1, 2011 at 4:42pm
No.  Some versions of XFrog can produce textured meshes that nXt can read via the Widgets menu.  See the recent thread on Flora and Fauna.  There are some problems using these in AutoCAD, such as very large meshes.
Permalink Reply by Jorge Javier Lara Domínguez on July 1, 2011 at 5:14pm
Gracias Roy

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