Powershell Console/Terminal Graph

Consumes data points as input and plots them on a 2D graph in the Powershell console

Type of Graphs Available -

1. Scatter

   

2. Bar

   

3. Line

   

Installation

PowerShell v5 and Later

You can install the Graphical module directly from the PowerShell Gallery

• [Recommended] Install to your personal PowerShell Modules folder

  Install-Module Graphical -scope CurrentUser

• [Requires Elevation] Install for Everyone (computer PowerShell Modules folder)

  Install-Module Graphical

PowerShell v4 and Earlier

To install to your personal modules folder run:

iex (new-object System.Net.WebClient).DownloadString('https://raw.githubusercontent.com/PrateekKumarSingh/Graphical/master/Install.ps1')

Features

• Color-coded output depending upon the Value of data point
• Colors codes can be customized by passing a color-map hash table
• Custom X an Y-Axis labels
• Graph in console is independent and fully customizable, not like Task Manager (Performance Tab)
• Could be incorporated in Powershell scripts
• Can consume data points generated during script run or Pre stored data like in a file or database.
• Independent of PowerShell version, and Works on PowerShell Core (Windows\Linux)

Use Cases

1. The function Show-Graph takes data points as input and plot them on a 2D graph

   

   You can also customize the labels on X and Y-Axis and provide a graph title

   

   The function Show-Graph can consume data points, generated during script execution or from a file or database like in the above example.

   

2. Plotting Audio Peak Levels in your PowerShell Console (Don't forget to play some audio! :P)

   Install-Module AudioDeviceCmdlets, Graphical
   Import-Module AudioDeviceCmdlets, Graphical -Verbose
   $Device = Get-AudioDevice -Playback
   [int[]]$datapoints =@(0)*50
   do {
       $PeakValue = $Device.Device.AudioMeterInformation.MasterPeakValue*100
       $datapoints += [int]$PeakValue
       $datapoints = $datapoints | Select-Object -last 50
       Clear-Host
       Show-Graph -datapoints $datapoints -GraphTitle AudioLevels
       Show-Graph -datapoints $datapoints -GraphTitle AudioLevels -Type Line
       Show-Graph -datapoints $datapoints -GraphTitle AudioLevels -Type Scatter
       Start-Sleep -Milliseconds 1000
   } while ($true)

   

3. Visualizing Azure Monitor Metrics like CPU %age on a Virtual machine in #PowerShell

```PowerShell
$ResourceID = '/subscriptions/<subscription>/resourceGroups/demo-resource-group/providers/Microsoft.Compute/virtualMachines/SimpleWinVM'
$Data = Get-AzMetric -ResourceId $ResourceID  -WarningAction SilentlyContinue | Select-Object unit, data
$Datpoints = $data.data.average.foreach({[int]$_})

Import-Module Graphical
Show-Graph -Datapoints $Datpoints -GraphTitle 'CPU (% age)'

```