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MGRS to lat long or UTM Conversion.

RahulRahul

Can anyone please guide me on converting MGRS to lat/long or UTM.

Any help is greatly appreciated.

Rahul

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derekswingley1

This forum is for the ArcGIS API for JavaScript.

For a such a general GIS question, I suggest you ask it on the GIS stack exchange.

RahulRahul

Thank you Derek!

I was just trying my luck here in the forums beacuse many users must have already tried this as Geometry service can not be used in this case.

JeffPace1

Can anyone please guide me on converting MGRS to lat/long or UTM.

Any help is greatly appreciated.

Rahul

usng.js borrowed from MIT (freely distributable)
has

LL to USNG
LL to MRGS
LL to UTM
and more, plus reverse

attached

usng.zip

JeffPace1

also I wrote the vicious calculus for USNG/LL to state plane transverse mercator as my county is one of the few that use it, it is ridiculously fast so we can do realtime with it.

PM me if you would like the files

if you want to see it in action check out our site and mouse over the map

http://www.mymanatee.org/gisapps/mapviewer/index.jsp?widgeton=Coordinates

RahulRahul

Thank you Jeff!

Coordinate conversion on your site is really very fast. I would really appreciate if you could share the code with me. Here is my email ID:
rahul090785@gmail.com

Thank you again for your help on this!!

RahulRahul

Thank you so much Jeff!!!

TubaKumbara

I would also appreciate if you could share the code with me too. Thanks a lot :
tubakumbara@yahoo.com

Thank you

PaulWalton1

Jeff,

I have sent you a private message with regards to this thread, would really appreciate your script to for a project I'm working on at the moment.

JeffPace1

Sorry, I don't do private messages. I prefer to use the forums so everyone can benefit.

Was there something missing from the code I posted earlier?

PaulWalton1

No I just didn't know if you would still get the message from the old thread.

I noticed you supplied the code for the grid conversions to another user, I am currently doing a project and was hoping if you could supply it to me.

My email is paulboywal@gmail.com

It would be much appreciated.

JeffPace1

the code is posted as a zip file in the 4th post of this thread

PaulWalton1

Jeff I have noticed a problem with your code. It doesn't give the correct lat and lon for southern hemisphere cases. I have managed to correct this by add an if statement in the UTMtoLL function. The if clause takes the UTMNorthing away from 10,000,000 and multiplies the Latitude by -1 if the UTM Letter is C-M.

AdamSmith2

Could you explain or show the code you used to fix the USNGtoLL function below the southern hemisphere? I have a function that requires using this, and return NaN below the southern hemisphere when using this function.

TimWitt2

Adam,

maybe the code I used here can help.

It doesn't include utm though.

Location, Location, Location... - JSFiddle‌

Tim

AdamSmith2

So you use esri's geocoding service to convert to from USNG/MGRS to LL?

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