dataDash

Visualize streaming or tabular data inside the terminal

Description

A graphing application written in go using termdash, inspired by termeter. Delimited Data can be passed in by pipe or directly from a file.

Chart types

datadash currently supports following chart types:

• Line
  • Plot tabular or streaming data as line graph
  • Line graph supports zooming with the scroll wheel or trackpad
  • Supports X-Axis Auto scaling
  • Displays the average value with the -a option (customize how many values to consider using -z)
  • Different color lines for each graph
  • Supports scrolling for streaming data applications (disable with the --no-scroll option)
  • Displays up to five graphs simultaneously
  • Displays Min, Mean, Max, and Outliers
  • Customize the screen redraw interval and input seek interval for high latency or low bandwidth environments
  • No dependencies, only one file is required
  • Sample datasets included
• Bar
  • Support for Bar Graphs (Beta)
• SparkLine
  • Support for SparkLine Graphs (Beta)

Streaming Data: (Linechart)

Streaming Data: (Barchart)

Streaming Data: (SparkLines)

Demo (Streaming data):

 $ seq 4000 | awk 'BEGIN{OFS="\t"; print "x"}{x=$1/10; print x system("sleep 0.02")}'  | ./datadash --label-mode time

Tabular Data:

Demo: (2 columns of data):

$ seq 4000 | awk 'BEGIN{OFS="\t"; print "x","sin(x)"}{x=$1/10; print x,sin(x); system("sleep 0.02")}'  | ./datadash --label-mode time

Demo: (6 columns of data):

$ seq 4000 | awk 'BEGIN{OFS="\t"; print "x","sin(x)","cos(x)", "rand(x)", "rand(x)", "rand(x)"}{x=$1/10; print x,sin(x),cos(x),rand(x),rand(x),rand(x); system("sleep 0.02")}'  | ./datadash

Installation

$ go get -u github.com/keithknott26/datadash

datadash can accept tabular data like CSV, TSV, or you can use a custom delimiter with the -d option. The default delimiter is tab.

Input Methods

Input data from stdin or file.

$ cat data.txt | datadash
$ datadash data.txt

Data Structure

Below are examples of the accepted data structure. More examples can be found under /tools/sampledata

Streaming Data (1 graph):

50
60
70

3 Columns (2 graphs): (\t is the tab charachter)

time\tRowLabel1\tRowLabel2
00:00\t50\t100
00:01\t60\t90
00:02\t70\t80
00:08\t80\t70
23:50\t10\t10

Arguments

$ usage: datadash [<flags>] [<input file>]

A Data Visualization tool for the terminal

Flags:
      --help                  Show context-sensitive help (also try --help-long and --help-man).
      --debug                 Enable Debug Mode
  -d, --delimiter="\t"        Record Delimiter:
  -m, --label-mode="first"    X-Axis Labels: 'first' (use the first record in the column) or 'time' (use the current time)
  -s, --scroll                Whether or not to scroll chart data
  -a, --average-line          Enables the line representing the average of values
  -z, --average-seek=500      The number of values to consider when displaying the average line: (50,100,500...)
  -r, --redraw-interval=10ms  The interval at which objects on the screen are redrawn: (100ms,250ms,1s,5s..)
  -l, --seek-interval=20ms    The interval at which records (lines) are read from the datasource: (100ms,250ms,1s,5s..)

Args:
  [<input file>]  A file containing a label header, and data in columns separated by delimiter 'd'. Data piped from Stdin uses the same format

License

MIT