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Another transparency issue

L_Rob

L_Rob

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310
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us-washington
Hi Arno,

This must be something I'm doing, but I can't figure it out. Using Sketchup, I've made a railing for new model in the idential fashion to what I've done before. The transparent sections look fine in sketchup. When I import the model into MCX (latest build) those sections are white. I tried one of my older railings as a test, and no problem. So I re-did the railing a number of times (tiff file, duplicate layer, no background, use 'clear', save as png, with prior flattening or without, none of which worked.

I then checked the material editor in MCX: the older 'good' railing imports with the alpha set to 'greater' and the z test alpha set to 'true'. My 'bad' railing imports as alpha = negative and z test alpha false -- and I see white where it should be transparent. If I change these settings in the Material Editor to those of the 'good railing' MCX displays the railing correctly. But when I then exported from MCX, the settings reverted to 'never' and 'false' when I re-imported the model to confirm that it was proper -- which it was not. And in FSX, the surface is black.

This *has to be* something I'm forgetting when I make my .png,....

Any suggestions?

[Edited to add:]

Sorry for not doing my homework first Arno. After much fiddling I found that I could use the material editor and click 'Set Default Transparent' and problem solved. But I have no idea of why I needed to do it for this texture image and not my others that have transparency! :-)

Thanks once again,

Larry
 
Last edited:
Hi Larry,

Can you send me the texture that does not work? I would like to see why ModelConverterX does not detect it as a texture with an alpha channel.
 
Hi Larry,

I fixed a bug, now both textures are recognised as being transparent correctly. So in the next development release it will work.
 
arno said:
Hi Larry,

I fixed a bug, now both textures are recognised as being transparent correctly. So in the next development release it will work.
Click to expand...

Thanks Arno! That saved a lot of self doubt. :-) Especially because I'm learning about the power of using higher resolution textures that have transparent areas.
Larry
 
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