This article explains how to use external data stream in Dartfish software. It first presents how to link the data with the video, and then it shows how to visually display those information


  • Dartfish Software Version 10 Update 9 or more recent
  • License Pro S
  • External data in a .csv format
  • Continuous data streams

1. Link external data streams in Dartfish software

Open the Edit workspace and add the video you want to use in the montage. At the bottom of the drawing pane you can see a "Data Streams" section. Expand it and click on the "+".

Select Dartfish CSV Reader and click on "Next". Then, select the csv file that contains the data you want to link to the video

Now, indicate in the software how the data are organized in the csv file:

  1. Enter the symbol used as the column separator
  2. Modify the decimal and thousands separator if needed
  3. Indicate whether the time is indicated by a column, by default pre-defined interval (e.g. one entry happens every 10th of second) or by Frequency (60 Hz means that 60 entries will happen every seconds)
  4. Untick the columns you don't want to import
  5. Click on Next

The data are now linked to the video.

2. Display the data in the software and in the video

Your data are now linked to the video, but they are not yet visible. 

  1. Click on the track icon to display the graphic below your video
  2. Click on the legend to select the data series you want to display among the list of all the series linked.
  3. By default, the data will be synchronized with the time of the video. if you want to adjust this, select the the graph with the mouse and move to the right or left. 
  4. You can reset the synchronization to the default state by clicking on "Reset Synchronization"

The Graph drawing tool

To add a graph on the video:

  • Select the graph drawing tool and draw a rectangle shape on the video
  • Select that shape and click on "Configure Data Graph". Then, select the data series you want to display in this graph and click on "OK"

  • You have several option for the design of the graph. "Time scale" defines the duration of the x-axis and "relative position" where the vertical green bar is displayed in the graph. When you are done, click on "OK" and the graph will be completed

Display Data in a text or timecode box

You can display the data linked to the video using the text or timecode boxes

  • Add a text box
  • Right-click on it, select "External Data Display" and select the data serie