• NAD83 to NAD83 HARN Florida transformation seems off

    Depending on which transformation I use I get inconsistent results when converting points from NAD83 Florida State Plane East (SPE) (the vanilla 1986 one) to NAD83 HARN Florida State Plane East.   The below grap...
    last modified by keithaddison
  • ITRF2014 transformation

    Does anyone have any information about Trimble RTX and using it within Collector? I have heard there is a data shift because the transformation from ITRF2014 is not supported yet. Esri and Trimble have said this is a ...
  • ArcGIS Pro 2.4.1 - Why ArcGIS Pro freeze display when pan & zoom out of projection extent?

    Hi,   I am having problems when trying projections for mapping in ArcGIS Pro. For a given project, it is always recommended to use the most suitable projection in order to reduce shape/area distortion... It is s...
    last modified by Vincenty
  • What is the projection for Russia and Alaska area ?

    Hi   I am working on this map for somebody and I need help to make this line between Far East Russia and Alaska  disappear and which projection is the right one to use for this area ?... I am using ArcGIS P...
    last modified by progis99
  • No need for projections?

    Simple question: If ArcPro can finally calculate area and distance geodesically, why do we need projections? Why not do all analyses in geographic coordinates and remove the distortion from flattening the curve?? Whe...
  • Map Topology Cluster Tolerance

    I have data that I would like to line up perfectly. In the past, I have used the align edge tool in the topology tools as a fairly quick and easy way to do this. The dataset I'm working with covers a large area (1:2m ...
    created by faithgreycloud
  • Converting geocentric coordinates to geographic coordinates and depth

    I have some global data (seismic data from earthquakes) that was provided as geocentric (cartesian) coordinates. Basically, the coordinates range from +1 to -1 for x, y and z axes. The center of the earth is at coordi...
    last modified by khaledali
  • X Y Data in Attribute Table Questions

    I have 40k points the attribute table has multiple x and y fields all have different numerics.  None of them seem to match any coordinate system.   Can someone explain the format of these columns   ...
    last modified by L@coconinocounty
  • CSV add X, Y

    I too have a csv file that has 4 fields of lat/lon. I can add x, y to 2 of the fields (Dlon/Dlat) but not too Plon/Plat. my dataframe is in NAD_1983_UTM_Zone_16N and when i add x,y i use wgs 84 . All my fields are num...
    last modified by gkatsamb
  • A Projected Coordinate Systems that covers the entire Atlantic Ocean?

    Hello,    We are seeking a projection (equal area) which we will be able to use for deep sea species/habitat mapping throughout the entire Atlantic Ocean. We have tried Goodes Homolosline (Ocean) but t...
    last modified by kyrangraves
  • Trouble adding new records to existing map.

    I have an existing map that I would like to add new records to but it does not save the point or record.   I open the map, then open Editor, start Editing, It gives me a warning that none of the spatial referenc...
    last modified by HermitJohn
  • How to make two layers show together

    Hey, I have a question when using the GIS map.   I try to add the Export_outlet, which is two points, to the map Landuse_watershed so I can mark the sampling points on the landuse map. But when I choose Zoom to ...
    last modified by jessie160232
  • when I download a base map (Imagery) to my data frame does not georeference as my data frame

    is this a bug? should I transform all my data to WGS84? O is there a way to fix this?
    last modified by ritateal_71
  • Can't see Custom Geographic Transformation in Project Tool - ArcGIS Pro 2.1

    ArcGIS Pro 2.1, Local install, Windows 10 I am trying to create a custom geographic transformation and then use it in the Project tool. I have used the create custom geographic transformation tool to create it - run...
    last modified by schurchill
  • Is it really not possible to view spatial reference info in the Catalog View/Pane in ArcGIS Pro 2.1.2?

    There is no option to see spatial reference information when viewing the properties of a feature class when working in Catalog View or Catalog Pane in ArcGIS Pro 2.1.2.   You can only see spatial reference infor...
    created by spk578
  • won't transform from GCS_WGS_1984 to NAD83 2011 error says transformation not valid

    project tool will not project from GCS_WGS_1984 to NAD83_2011.   Error says that the transformation isn't valid.  But the Tool help says thatt : "The parameter provides a drop-down list of valid transfo...
    last modified by cruizingirl
  • Auto calculating a Points Northing and Easting on creation

    Any methods for auto calculating northing easting on point creation in a state plane database? Attribute assistant?    Thanks,  Joe 
    last modified by jbendis
  • Display X,Y data comes in a line

    OK so I have found old posts about this from 10 years ago but nothing recent. I have a spreadsheet originally in excel, I have added new fields (longitude, latitude) as double, even saved as CSV yet data still comes i...
    last modified by gkatsamb
  • Is it possible to georeference a jpeg map without control points?

     Can i just overlay it on a base map and make the fit as close as possible? (the scanned map I have has decimal degrees but its really old and doesnt seem to align to WGS 89 which is the coordinate system I ...
    last modified by oleadbetter
  • Geodesic Lines Along a Surface

    I'm working on creating a large number of flight routes, constrained by ETOPS. I've been using the Cost Connectivity tool using costs rasters that represent the ETOPS constraints. I then run the resulting routes throu...
    last modified by drewgis