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Geocoding Place Names

Helps convert places names to longitude/latitude coordinates.

This add-in will go through a specified data table and check user-specified columns for location names or addresses. It will then check these places against internal data tables installed with the add-in or the online services of For example: say that you have a data table with American cities paired with some numerical data, and you want to view this information on a map with JMP. You can use this add-in to find latitude and longitude coordinates for each of the different cities, and then creating your map is rather easy.

Author: intern David Spruill

Updated April 4, 2016 with extra error check and reduced data base size.

Related blog post: A JMP add-in to geocode your geographic data - JMP Blog


Awesome! Saved me a bunch of time. I was about to do this in Excel, when I asked myself "I wonder if there is JSL for this at the user community?"


I'm having a little trouble with the geocoder add-in.  Is it expecting a certain format for the input text?  I have some addresses with unit/apt numbers, would this create a problem.

Thanks for posting this add-in.



Is anyone else having an issue with Georgia?  It found the country not the state.  I'm especially surprised because I set the search to custom and selected just USA and Canada.



Has anyone been able to reverse geocode in JMP by inputting latitude and longitude coordinates and outputting the country?

@PaulJones, this is a scripting solution but maybe it will get you started.  I just noticed I did City/State in the USA but you can expand this to Country using the other table (JMP Geocoder - World in the same Add-In folder.


//Open the table in the JMP Geocoder
dt = Open("$ADDIN_HOME(\JMP Geocoder - US Geodatabase");
//Build table for KNN
mat = (dt:Latitude << getvalues) || (dt:Longitude << getvalues);
kdt = KDTable( mat );

//Find the the nearest row for new data and print the result
{rows, dist} = kdt << K nearest rows(1,[35.824548, -78.757867])
row = rows[1]
"Zip Code: " || char(dt:Zip Code[row]) || " in " || dt:Zip Name[row] || ", " || dt:State[row] || ", from row: " || char(row)

Has anyone on the board happened to scrape data from by census tract and used the Mapping function?  There is a load of data to be gotten for use and I wanted to have the granularity of census tract data.  A GeoCode ID is provided but I have not been able to find a way to convert it to a JMP sensible output.

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