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GMAX Light Tutorial

OK, so the base and the effect are still aligned. That's good news.

Did you place the lines with the ground polygon wizard? Then they should have received the same correction for the curved earth (assuming they have the same reference point).
 
Yes, I placed with gp wizard. I did not correct them with earth curvature tool, I'll try and report back.

Tic, thanks I'll go to study it.

EDIT: Arno, but gp wizard does automatically correct earth curve or not?
 
Last edited:
Ok, I tried and there is a very little difference between corrected and non-corrected earth curvature. But however it not matches the yellow taxi line.

So I assume that gmax and Max have different reference point.

Infact....

Originally I've created and completed my gp with Max. And loaded bgl in FSX.

Due the fact that effect don't work with Max (I don't know why) I had to convert (via BFF script) the max file into gmax format.

Doing so I have a reference background, the taxi lines.

So I created the new lights/effects with gmax (that work perfectly) and place them above the taxi lines.

But maybe, I come to this conclusion, during conversion from max to gmax, the reference point is changed a bit or is slightly different.

So is there a way to verify if max and gmax have the same regerence point?
 
Update....

Here are some tests I did.

Let's start from the base model in gmax, as you can see it's a simple cilinder (the base) with a box (for effect attach point) above it. The box will render a green light for taxi (fx_navgre.fx)

upload_2015-11-6_21-35-38.png



Here is the base model placed along the taxi line in gmax, as you can see it's centered into the taxi line (it's not perfectly centered, I did for a quick test):

upload_2015-11-6_21-37-5.png



Here is the model .MDL exported from gmax, base and box are aligned

upload_2015-11-6_21-39-26.png



Here the result in FSX before correction for earth curvature, base is misaligned respect boxes that are centered above the taxiline:

upload_2015-11-6_21-40-6.png


And here the result after earth curvature correction, the same green boxes centered and base even more misaligned:

upload_2015-11-6_21-42-11.png



Why in your opinion that result? I thought before that reference point between Max and gMax was different, but if green light are centered above the taxiline, the problem is not the reference point, but the base. Any ideas?
 
---UPDATE and SOLUTION---

I downloaded the last dev MCX release, I was using the 1.3.0.0 instead of 1.4.0.0 and applied earth correction curvature, this the result, perfect:

upload_2015-11-6_22-1-38.png


Thanks for your patience guys!
 
Still some problem on that curve and taxiway......

upload_2015-11-7_0-26-9.png




However, as Tic said, these effects tend to kill a bit FPS.

Tic, in the thread you linked, are lights done only with texture? Reading it rapidly it seems to me you spoke about effects too, or am I wrong?
 
I found the problem of misalignment for the curve and taxiway, it's gmax.

Infact I tried to redraw the taxilights (without effect because not working) with 3ds and the are perfectly aligned to the taxilines and curves.

So I suppose that gMax and Max 2015 have slightly different reference point.

The problem that I have is this:

1) if I use gMax can export effect but can't align taxilights perfectly
2) if I use Max can't export effect but can align perfectly the taxilight

That's incredible.

A solution could be to render light without effect (is it possible?) and use Max, or get Max working with effects.
 
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