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Mipmaps

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unitedkingdom
The ground Poly tutorial states that one should not use mipmaps due to the loss of detail. However when I don't use them my textures have a strange simmering effect, and the ground looks like it has static fuzzing in it.

Is this normal?
 
Forget about that advice in mipmap in this tutorial. From my experience, I do mipmap for all the scenery without any problems. I never encounter any blurry texture at all.

Other scenery designers please comment on this. I think this is a FAQ from this tutorial. The tutorial is excellent, except at this point.

If it is airplane painting, mipmap should be avoided. But for scenery making, you should do mipmap for all the textures you use.
 
Hi,

I use mipmaps on all my textures as well. Mixing textures with and without mipmaps has also caused weird problems in the past.
 
Hi Shaun,

Yeah - I mipmap everything - I think the shimmering is called Moire Effect... It seems even some payware developers don't use them as I've had to go back through and mipmap the textures after purchase... It greatly improves the look/performance of the textures... I've been using ConVimX myself to do it...

Regards,
Scott
 
Ah thanks a lot. I have been using mipmaps until this point. Yes the Moire effect; I was reading about that the other day.

I have a problem with the taxiway edge, it's a lofted line with a DXT5 texture. It works fine up close but when it stretches off into the distance you can see the outline of the whole loft for some reason. I'm not sure what it's down to. I've put a picture up.
 

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You will get that either you use mipmap on not.
That's the way it is because the texture repeat along the way.
The only solution that I can think of is you need a satellite photo to overlay on the asphalt texture. It will diminish the repeating of the texture.
If it is FSX you need to make another layer of satellite photo to eliminate the repeating texture. This is my work in VTBS and KLIA. The way to do this is the tutorial from Bill Womack. It is in the sticky here: http://www.fsdeveloper.com/forum/showthread.php?t=14039

vtbs2012-4.jpg


WMKK08.jpg


WMKK07.jpg


WMKK09.jpg


In FS9, if you make ground poly for satellite photo, you can make alpha texture to be some degree of transparent to see the underlying satellite photo ground poly.
 
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Thanks for the replies. Yeah, I've put a noise layer over the top, but the lines over the outside edge polygon keep showing, even where it's supposed to be invisible. :confused:

Oh well, I'll play about with the texture.
 
I don't know either what causes it.
But if you do the edge and the edge does not fit with the taxi way of runway, this can happen.
 
Can you post your edge texture. I suspect I know what's going on. The alpha for the mipmap is picking up part of your texture that doesn't have the 'asphalt'. This is common with mipmaps (and there's a tutorial around illustrating it). The solution is to make your entire RGB channel the 'asphalt' texture, and make your edits only in the alpha channel.

Hope that makes sense.
 
I agree with you, Ztimbre.
I have made lines texture with white background. When I was far away, my line turn from yellow to white. So the background of the texture should be the same background of the surface that line place over. If you place the line on asphalt, the background of that texture should be asphalt too. I think the same apply to the texture sheet that use for the edge.
 
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