Category: Tableau

Tableau Prep – Enabling drag and drop execution of flow files

How good it will be if you can simply drag and drop a flow file to run it? Actually it can be achieved with a single line BAT file.   How to achieve this? Here is the code inside FlowRunner.BAT file

  Explanation: line 1:  Extract the dropped file’s...

Tableau Prep – Creating Timestamp based output files

As of version 2018.3, Tableau Prep’s output file name field is static and this will cause the output data to be overwritten  when rerunning the flow.  We can fix this by creating a bat file with following content.

  Explanation: Line 2: A simple batch trick to generate our...

Using Open StreetMap in Tableau

The default map in Tableau is good for showing overall locations, but it cant be used to zoom in to specific streets or buildings in your locality. But dont worry, you can use Open StreetMap for that. Download this file and save it under Mapsources folder in your Tableau repository.  Default location...

Predicting Dam Water Levels Using Tableau

My home state is going through a crisis right now as the largest arch dam in Asia , Idukki Dam is reaching its full reservoir capacity due to unprecedented monsoon rains.  All 5 shutters were opened on 10th August and is still releasing water at a rate of 0.75 million liters ...

JIRA to Tableau in two lines of Python

Recently, I had to create one  status dashboard for a JIRA project.  Tableau does not connect to JIRA out of the box and you need to purchase a connector to get  this functionality.  Since JIRA has a  REST API, my initial instinct was to build a web data connector. But ...