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Parses a string representing a geocoord in a strict format (:type:value), as produced by the Represent geocoord format (reprgeo) operation. If the format is not valid, the result of the parsing will be null.
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The examples in this article use values in a data table generated from the following CSV file.
If you want to try the example for yourself, download the file and upload it to your domain by clicking Data upload in the navigation panel. Name the new table After receiving the confirmation message, you can access the table from the Finder, selecting my → upload → geolocation → data. When you upload data from a file, all the information is included in a single column called message. To split the values into different columns, you can use the Split operation. Click Toggle Query Editor in the search window toolbar and paste the following LINQ query to save time:
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We want to parse the strings in the geohash_strings column and transform them to data type geocoord. First, we must format the strings using the format required in the Parse geocoord format operation (:type: value).
Step 1: Apply the required format to the geocoord strings
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Use the operator select... as... and add the operation syntax to create the new column. This is the syntax of the Parse geocoord format operation:
parsegeo(string)
Example
Note that you must have uploaded the following CSV file to your Devo domain as explained above to try out this example.
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Copy the following LINQ script and try the above example on the my.upload.geolocation.data table.
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from my.upload.geolocation.data select split(message, ";", 1) as geohash_strings select ":geohash:" + geohash_strings as validFormat, parsegeo(validFormat) as parseGeocoord |