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Im pretty sure a pre loaded map projection is incorrect...

ChrisPucci

Im working with a predefined projection in ArcMap 10.2.2 and it appears to be incorrect. How do I fix it? Who do I tell with ESRI?

It is this one:

OCRS_Salem_NAD_1983_CORS96_TM_Feet_Intl
WKID: 102518 Authority: ESRI

Projection: Transverse_Mercator
False_Easting: 15240.0 <---- I'm pretty sure that is should be closer to 164,041 feet or whatever 50000 meters is in International feet...
False_Northing: 0.0
Central_Meridian: -123.0833333333333
Scale_Factor: 1.00001
Latitude_Of_Origin: 44.33333333333334
Linear Unit: Foot (0.3048)

It has been driving me crazy - nothing I exported to other software worked at all.

Thanks!!

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Accepted answers

MelitaKennedy

Yep, I messed up. It's fixed in 10.3.1.

All comments

ChrisPucci

It was defined in metric -- that is the fott version...

DanPatterson_Retired

well if this is the one...the worse thing is Melita fixed it

NeilAyres

Strange folk in Oregon...

Is there any explanation somewhere as to why they have a X offset of ["False_Easting",164041.9947506562]???

That's really easy to remember

DanPatterson_Retired

PROJCS["OCRS Salem_NAD 1983 (CORS96)_TM_Feet Intl",GEOGCS["GCS_NAD_1983_CORS96",

DATUM["D_NAD_1983_CORS96",SPHEROID["GRS_1980",6378137.0,298.257222101]],

PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],

PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",164041.9947506562],

PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-123.0833333333333],

PARAMETER["Scale_Factor",1.00001],PARAMETER["Latitude_Of_Origin",44.33333333333334],

UNIT["Foot",0.3048]]

from here

Geometronics Oregon Coordinate Reference System

at least it looks like it and it has your 164041 ish number

MelitaKennedy

Yep, I messed up. It's fixed in 10.3.1.

DanPatterson_Retired

On a wild hunch are you from Oregon?

Geometronics Oregon Coordinate Reference System

If not...it is supposed to be nice there.

DarrenWiens2

The quick way to change a projection is to double-click the projection name wherever you happen to be selecting the projection (to bring up the coordinate system properties), make your changes, give it a new name and hit OK. It will be added to a new folder called Custom. To find it easier next time, right-click the custom projection, and Add to Favorites.

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