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Round earth?

  • Thread starter Thread starter GHD
  • Start date Start date
GHD

GHD

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england
I have made some parking markings but they are visible only in spot view and at certain zoom levels in top-down view.



Now you see them:



And slightly zoomed-in:



The signs are about 270 metres from the airpot reference point and the reference point is at the same elevation as the apron.

Any suggestions?
 
I have made some parking markings but they are visible only in spot view and at certain zoom levels in top-down view.
Click to expand...
I gather, then, they are not visible at all from the user aircraft.

I doubt this has anything to do with elevations. In spot view, the markings are quite clearly on the ground.

I've seen this situation from top down. Perhaps its even normal for FSX. But I've never encountered a situation where the markings were visible in spot view and not from the user aircraft.

Obviously, the markings are there. I don't know what more I can do.

Don
 
When this has happened to me for other objects, it often turned out that the elevations of the airport were off by a very small amount, and that caused the problem. The solution varied, but usually resetting all elevations to the exact same value (and making sure that any file in Scenery/World/scenery was set at that value as well), ended such behavior.

That said, there have been certain locations where I never found an answer...
 
I have checked the xml and all elevations are accurate to a millimetre and this is the default altitude.

Could the asm be set to say 5mm AGL?
 
Could the asm be set to say 5mm AGL?
Click to expand...
You can test it by, opening ADE_GP.asm (in the ADE folder), set a few elevations and run the result through BGL9.

You haven't confirmed whether or not the objects are visible from the user aircraft.

You don't have an old elevation correction file in your scenery/world/scenery folder, do you?

Don
 
gadgets said:
You can test it by, opening ADE_GP.asm (in the ADE folder), set a few elevations and run the result through BGL9.
Click to expand...

Which values are the elevations?

Code: 
VERTEX_LIST_BEGIN
VERTEX_DEF  -546.581100,	0.0, 	138.432200,	0.0, 1.0, 0.0, 	0.120808,	0.438280
VERTEX_DEF  -549.450300,	0.0, 	135.639500,	0.0, 1.0, 0.0, 	0.053835,	0.439208
VERTEX_DEF  -556.443700,	0.0, 	142.800200,	0.0, 1.0, 0.0, 	0.053545,	0.292954
VERTEX_DEF  -553.574400,	0.0, 	145.592800,	0.0, 1.0, 0.0, 	0.120518,	0.292025
VERTEX_DEF  -510.779200,	0.0, 	101.352400,	0.0, 1.0, 0.0, 	0.120808,	0.292952
VERTEX_DEF  -513.648100,	0.0, 	98.559780,	0.0, 1.0, 0.0, 	0.053835,	0.292025
VERTEX_DEF  -520.641400,	0.0, 	105.720500,	0.0, 1.0, 0.0, 	0.053545,	0.438279
VERTEX_DEF  -517.772200,	0.0, 	108.513100,	0.0, 1.0, 0.0, 	0.120518,	0.439208
VERTEX_DEF  -609.233800,	0.0, 	203.647500,	0.0, 1.0, 0.0, 	0.182606,	0.438280
VERTEX_DEF  -612.103000,	0.0, 	200.854800,	0.0, 1.0, 0.0, 	0.115633,	0.439208
VERTEX_DEF  -619.096300,	0.0, 	208.015500,	0.0, 1.0, 0.0, 	0.115343,	0.292954
VERTEX_DEF  -616.227100,	0.0, 	210.808200,	0.0, 1.0, 0.0, 	0.182316,	0.292025
VERTEX_DEF  -571.290300,	0.0, 	164.139900,	0.0, 1.0, 0.0, 	0.182606,	0.292952
VERTEX_DEF  -574.159500,	0.0, 	161.347200,	0.0, 1.0, 0.0, 	0.115633,	0.292025
VERTEX_DEF  -581.152800,	0.0, 	168.507900,	0.0, 1.0, 0.0, 	0.115343,	0.438279
VERTEX_DEF  -578.283600,	0.0, 	171.300500,	0.0, 1.0, 0.0, 	0.182316,	0.439208
VERTEX_LIST_END

You haven't confirmed whether or not the objects are visible from the user aircraft.
Click to expand...

Yes, they can be seen from the cockpit. It is just the top-down view which is zoom dependent.

You don't have an old elevation correction file in your scenery/world/scenery folder, do you?
Click to expand...

No, I did say:

"I have checked the xml and all elevations are accurate to a millimetre and this is the default altitude."
 
Hmm,

I changed all of the zeros to 0.005 and it made no difference :confused:
 
It's not just my textures, it also happens with the default gp_ParkingDes.
 
George, remember that FSX has no inherent support for ground polys. As I understand it, that was a planned feature that was dropped. We are, therefore, fortunate to have any ground poly capability at all.

That being said, I have just tried compiling some of the work I've done for one of my airports and I don't have a similar problem. As well, I checked some earlier work I've done with Gmax and, likewise, no such issue. But, I did observe a similar difficulty with the big poly on Roby's GECE - which leads me to believe its airport specific.

(I have no answer for Why", though.)

Don.
 
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