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How Do "Metric" Coordinates Work?


Rex
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I don't understand the X and Z coordinate system.   X and Z in relation to what?

At first I thought perhaps X-0 Z-0 was the map center, but it's not really even close.  In Caucasus it's up near Sevastapool.

Does anyone know what this system is called and how it works ... at least at a high-level?

Thank you.

 

 

Coordinates.png


Edited by Rex

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  • Rex changed the title to How Do "Metric" Coordinates Work?
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50 minutes ago, Rex said:

At first I thought perhaps X-0 Z-0 was the map center, but it's not really even close.  In Caucasus it's up near Sevastapool.

That would make sense, considering the initial games of the franchise took place in Crimea...

Remember the world in DCS: World is flat. The coordinate system being used is 2 dimensional... just sayin'

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30 minutes ago, randomTOTEN said:

That would make sense, considering the initial games of the franchise took place in Crimea...

Remember the world in DCS: World is flat. The coordinate system being used is 2 dimensional... just sayin'

 

Oh so it IS based on an arbitrary map point?

Do you know what a point equals?  The units seem pretty small, perhaps down to the centimeter?

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  • 4 weeks later...
On 10/30/2021 at 8:03 PM, randomTOTEN said:

I think the unit is meters.

Thank you!

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  • 2 months later...

necroposting...almost.

I also have issues with the way the grids are taken.

For instance, MOOSE script uses that kind of coordinates;

{ [1]={["y"]=242140.57142858,["x"]=-6478.8571428583,},

[2]={["y"]=242188.57142858,["x"]=-6522.0000000011,},

[3]={["y"]=244124.2857143,["x"]=-4344.0000000011,},

[4]={["y"]=244068.2857143,["x"]=-4296.5714285726,},

[5]={["y"]=242140.57142858,["x"]=-6480.0000000011,} }, },

How was that converted to a regular X and Z format from DCS ?


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Gotta convert it from LO to LL and then from LL to MGRS. Really those 4 functions can be used to convert to the 3 main types used. Different LL values is simply string formatting. 

https://wiki.hoggitworld.com/view/DCS_func_LOtoLL

https://wiki.hoggitworld.com/view/DCS_func_LLtoMGRS

 

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  • 1 month later...
On 10/30/2021 at 6:55 PM, randomTOTEN said:

That would make sense, considering the initial games of the franchise took place in Crimea...

Remember the world in DCS: World is flat. The coordinate system being used is 2 dimensional... just sayin'

 

BTW, I just saw on YouTube that the world *IS* flat, so maybe DCS just knew before everyone else?

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