A set of 124 geographic zones designed for specific regions of the United States.

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Are State Plane Coordinates always derived from longitude and latitude?

Do state plane coordinates always begin as longitude and latitude? In other words, they are not another system that can be calculated without Long. and Lat., correct? I guess I'm saying, back in ...
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2answers
84 views

How to Convert Property Survey Monument Marker Coordinates to State Plane?

I have a set of Connecticut monument locations (a monumented property survey using monuments designated CGS Mon. No. 1577-1580). Their coordinates appear to me to be in meters (244536.84 N, 386409.67 ...
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1answer
111 views

Can I project a single set of coordinates that are not in a table or feature class with arcpy?

I have been searching for the easiest way to convert a single set of State Plane Coordinates (in units of "Feet") to Decimal Degrees using arcpy. All the methods I have seen so far involve one of the ...
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1answer
30 views

What is the level of error I should expect when using a NAD StatePlane CRS from an adjacent state?

I am adding Georgia data to my GIS database and, unlike the California data I've added, have decided to use my existing EPSG:3361 (South Carolina StatePlane) coordinate reference system for ...
2
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1answer
292 views

Conflicting WGS84 coordinates between Trimble and Garmin GPS receivers

I am a contractor at a government facility in Nevada. We have our own in-house survey department who, for a number of reasons, still uses NAD27 State Plane Coordinates (Nevada Central Zone 2702) in ...
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1answer
334 views

Transform lat long to state plane coordinates

I am trying to convert a set of lat long to state plane coordinates using python and pyproj. The location is Tennessee and this gave me information about the central meridian, lat origin and the proj ...
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2answers
203 views

Can't find correct coordinate system: UTM83 Zone 15 forcing input in meters; need it to be read in feet

Forgive me, I'm a CAD person, and am very new to GIS. I've searched google and this site extensively for an answer, with no luck. My problem is that I was given a large number of sistered Raster ...
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1answer
645 views

Lat Long to State Plane conversion

I am using the ESRI javascript API and I have a set of lat/long points I need to convert to a state plane coordinate system. My spatial reference is wkid 3418. I can easily use the GeometryService ...
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1answer
407 views

Why is my longitude conversion from NY State Plane Coordinate System to WGS84 consistently off by 3.665 degrees?

I'm trying to convert coordinates from the NY State Plane Coordinate System for Long Island (zone #3104) to WGS84 using the GeoTools Java API. The latitude value is correct, but the longitude is ...
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0answers
85 views

Any way to use WGS84 latlng to dynamically get state plane EPSG code? Either javascript or PHP

I am developing an online project that needs to be able to accept a WGS84 lat lng anywhere in the lower 48 states and produce the corresponding state plane coordinates. Once I know the state plane ...
3
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1answer
350 views

Coordinate systems and bearings

Ok so I've got a noodle scratcher and want some input before I open my mouth to my higher-ups. I recieved a new boundary description from a surveyor that uses metes and bounds in the form of bearings ...
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1answer
400 views

PostGIS is rejecting an srid code for my projection. I've found a nearly identical projection w/ a legit srid. Will it work?

My projection is this: NAD 1983 StatePlane North Carolina FIPS 3200 Feet, which has a proj4 string that looks like this: +proj=lcc +lat_1=34.33333333333334 +lat_2=36.16666666666666 +lat_0=33.75 ...
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1answer
143 views

Albers Conic versus State Plane Zone in terms of accuracy

I'm trying to determine if an Albers Conic (Alaska Albers) is suitable as a projection for a corridor 800 miles long by 50 miles wide, that goes from the north coast of Alaska to the south coast. ...
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1answer
1k views

Transform Shapefile from WGS84 to NAD83 using QGIS? [duplicate]

Possible Duplicate: How to reproject a vector layer in QGIS? I have some shapefiles whose CRS is WGS 1984 and I have some shapefiles whose CRS is NAD 1983 State Plane Illinois East. I want ...
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2answers
460 views

What's the best way to store State Plane data in SQL 2008R2?

I have a client with data that is currently in a State Plane coordinate system. They are looking to store this data in SQL Server 2008R2. SQL does not "support" the SRID for the State Plane in ...
2
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1answer
274 views

I wish to reproject a hypertile image from GDA94/Zone 55 to a flat planar image

please bear with this newbee as I am just getting into this extremely interesting field. My Problem: I have setup Hypertiles to use the GDALCompress batch file to mosaic my image - all good so far - ...
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8answers
22k views

How do I convert State Plane coordinates to latitude-longitude?

Given a specific state plane coordinate system (whether NAD27 or NAD83), are there any resources to convert to latitude-longitude?