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Some strenge problem of the z-bias function

小狮子

小狮子

Messages
8
Country
china
HI,
I have studied the Z-bias of prepar3d to make groundpoly,but when i try to do it, I have got few question
1. I have set the z-bias of the taxiway texture to -4 and the runway marks to -3.In it's logic, the -4 should be above -3, but in the p3d, it was not.
the taxiway are under the runwaymarks stubbornly.when I reverse the -3 and -4 through them. It was still taxiway below..I just really don's understand what's wrong.

2. In fsx, the diffuse alpha could decide the transparent of the texture. But I do the same in the prepar 3d, It doesn't work well

here is the picture
捕获.jpg

first you can see that the taxiway line are under the runwaymark.
and secound,
The number 15, it's background should be transparent ,
This is the texture
捕获1.jpg

and this I's alpha channel
捕获2.jpg


can any one tell me what's wrong and give me some advice?
thanks
 
Hi,

Your pictures don't show, so I can't comment on that now.

But for the zbias I wouldn't use negative values, I would only use positive ones.
 
arno said:
Hi,

Your pictures don't show, so I can't comment on that now.

But for the zbias I wouldn't use negative values, I would only use positive ones.
Click to expand...

Here is the pic
y485.jpg


In the P3DV2, the taxi line is under the runway marks, but the taxiline's zbias is -4,but the zbias of the runwaymrk is -3.
I don't know what's wrong that the runway mark is above the taxi line.
thank you very much
 
If your taxi line zbias is lower than the one of the runway marks, it's normal that it will show below.
 
arno said:
If your taxi line zbias is lower than the one of the runway marks, it's normal that it will show below.
Click to expand...
thanks for your reply.
I think the lower bias value means the higher position.
In my project, the satellite map bias is -1,and the zbias of runway apron is -2.
It works well. The satellite is the lower layer and the runway apron is above that.
In my opinion, the taxi line 's zbias is -4 so it should have above the runway marks which zbias is -3.
I tried to change the taxiline'szbias to -3and the runway marks to -4.it shows like what my snapshot too.
I just don't know how to solve that

Thanks again
 
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