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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 coordinates 0, 0, 0. I need to convert these to latitude, longitude and elevation (altitude). . I believe I have been able to convert the… (Show more)
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Click to view contentI 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   Projected Coordinate System:    NAD_1983_StatePlane_Arizona_Central_FIPS_0202_Feet_Intl Projection:          Transverse_Mercator False_Easting:  … (Show more)
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Click to view contentThe Equal Earth, an equal-area projection, and the Peirce quincuncial, a conformal projection, are now available in ArcGIS 10.7 and ArcGIS Pro 2.3.   The Equal Earth is an equal-area pseudocylindrical projection for world maps. It shows a pleasant appearance of the land features and its shape is similar to the well-known Robinson projection. The… (Show more)
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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 numeric.
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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 this appears to cut off the very SE Atlantic! Lambert's Azimuthal Equal Area in ArcGIS is only available in the Polar aspect (or can this be changed… (Show more)
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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 references match the data frame.  I click Continue, then  the  click on the Create Feature button on the Editor bar,  then I select the feature I… (Show more)
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Click to view contentHey, 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 the layer, it can only show either Export_outlet or Landuse_watershed. These two layers do not combine together. They are in the same… (Show more)
in map projections