• I heard the other day that there is going to be a big change in the coordinate systems that we are going to have to get used to in 2 years. Does anyone know about this?

    What change is coming to coordinate systems?
    last modified by rockman69
  • No transformation available

    Hi, i am working with various layers that have the following coordinate system and projection:   Coordinate system: GCS_CAPE Projection: Transverse_Mercator   How can I add a base map that is ali...
    last modified by z5010570_UNSW
  • Vertical coordinate system poster question ?

    I was here in this group and browsing around and download this file (see attachment).  I think it was organized by ESRI and probably done by Melita Kennedy (?). I am not sure .....   My question here i...
    last modified by progis99
  • Convert latitude and longitude into angle

    I have a set of coordinates that i want to convert into a single number representing that location (possibly angle). How do i do that? I want to do circular ANOVA analysis as for those single units as dependent variab...
    last modified by EricHolder
  • Working with vertical coordinate systems

    I'm looking for a way to perform a height (z value) transformation from one vertical datum to another one. Both vertical datums exist in ArcGIS list. If I define a horizontal coordinate system, then I have a tool to p...
  • Help with transforming coordinate values

    Hello, I am building a data pipeline that ingests a table of latitude/longitude coordinates and plots them on a map. All data points are located in Santa Monica, CA.    Here are some sample coordinates...
    last modified by zach.robinson_sm.gov
  • Where can I find this coordinate reference system (wgs84 30N CM 3W) in ArcGIS?

    I have a data with this coordinate reference system (wgs84 30N CM 3W). and I need to load the data in ArcGIS but I can't seem to find it exactly in ArcGIS. First, I will like to know if it's same thing as th...
    last modified by gis10enj
  • Vertical Datum Changes

    Hello, I am using Arc Map 10.4.1. I have the impression that my version of ArcMap will not perform vertical transformations/projections on datums but only the Pro version is capable of this.  However, I also se...
    last modified by CADEngr2014
  • Mean Sea Level

    All,   I am using ArcMap 10.4.1.   I see many engineers using MSL, but I believe, should be using NAVD88 as a vertical datum.  I imagine there must be a rule of how many miles upland (distance from ga...
    last modified by CADEngr2014
  • Vertical Datum Transformation?

    I have dataset that my company receives from a vendor every month. We have a script that takes the dataset and clips it to an AOI and transforms the horizontal from NAD27 to WGS84 Web Mercator Auxillary Sphere. There ...
    created by ngnt.david
  • The Vertical Datum: Or is that Mean Sea level?

    What is a Vertical Datum? The Geodetic Glossary (2009) defines height as ‘distance, measured along a perpendicular, between a point and a reference surface’. This definition is concise and direct but leav...
    last modified by spk578
  • Converting NAVD88 linear units from Meter to Feet

    I have a raster DEM that has the vertical coordinate system NAVD88 (height) with linear units Meter.      I would like to convert the linear units to US_Feet. As far as I know, ArcGIS does not suppor...
    last modified by zieglerhm_CDMSmith
  • Vertical Datum verification

    How can I see what vertical datum my contour maps were created using?   Thanks, Bill
    last modified by billschmahl