Yes, we have a few scripts for doing this task. Automated version is posted below in PowerShell.

Source code posted below and also we explain it in this blog post.

How to do Tableau Server Automated Dashboard Image - A Solution here

Thanks

Tyler G.

Dev3lop.com

Hey Kush,

You can do this with tabcmd's export function. Here is the documentation: tabcmd Commands

After installing tabcmd, it is basically the following, on a scheduled basis:

tabcmd login -s http://sales-server -t Sales -u administrator -p aPasswordHere

tabcmd export "Finance/InvestmentGrowth" --png

- Derrick

https://www.interworks.com/blog/daustin

Derricks works great for quick and easy manual means of doing it. I would recommend taking that path unless you're running bigger jobs.

#_______________________________Start here

#  PNG EXPORT Script

#  A powershell script to pull down pngs of Tableau "views"

#

#  Created By - Tyler Garrett

#

#

#  || NOTES ||

#  Create Directory C:\POSH\PNGExport

#  This directory will store all content

#  Script expects Tableau Bin directory to be set in Environment Variable Path

#_______________________________

#________________________________

#  Set variables

#________________________________

$TS       = "http://localhost"          #Server

$username = "admin"                     #tableau server account

$pass     = "admin"                     #tableau server password

$pgUSR    = "readonly"                  #readonly account password must be setup beforehand

$pgPW     = "admin"                     #postgres password

$SiteF    = "BeepTest"                  #site you're pulling PNGs from

$ProjectF = "ProjectTest"               #project you're pulling PNGs from

#_______________________________

cd C:\POSH\PNGExport

#_______________________________

#--------------=====================]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

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#                                                             |

#   Query postgresql and build CSV with workbook URL (3 steps)|

#                                                             |

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#                                                         |

#             1.Connection info                           |

#                                                         |

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Set-Location "C:\POSH\PNGExport"

function Get-Stuff

{

    [CmdletBinding()]

    param (

            [string]$connectionString,

            [string]$query

          )

    Write-Verbose 'Getting Tableau Server Extract'

    $connection = New-Object -TypeName System.Data.Odbc.OdbcConnection

    $connection.ConnectionString     = $connectionString

    $command = $connection.CreateCommand()

    $command.CommandText = $query

    $adapter = New-Object System.Data.Odbc.OdbcDataAdapter $command

    $dataset = New-Object -TypeName System.Data.DataSet

    $adapter.Fill($dataset)

    $dataset.Tables[0]

}

#¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦

#                                                         |

#             2.Query PostgreSQL                          |

#                                                         |

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$connectionString = 'Driver={PostgreSQL ANSI(x64)};Server=localhost; Port=8060; Database=workgroup; Uid='+$pgUSR+'; Pwd='+$pgPW+';'

$query = @"

SELECT

         v.view_url

FROM     _views v

INNER JOIN _workbooks w on (w.id=v.workbook_id)

INNER JOIN _sites s on (s.id = v.site_id)

WHERE s.name = '$SiteF'

and w.project_name = '$ProjectF'

"@

#¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦

#                                                         |

#   3.Build CSV to be used for tabcmd from the above query|

#                                                         |

#¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦

Get-Stuff -connectionString $connectionString -query $query | `

Select-Object -Skip 1 -Property view_url | `

Export-Csv -Path "C:\POSH\PNGExport\Reports.csv" -NoTypeInformation -Delimiter ";"

#--------------=====================]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

#_________________________________

#  Loop through CSV from above and export those views as PNG files

#  -replace is used in the loop to save the file name with out a "/"

#  because this value isn't allowed in a file naming convention

#  error output will be generated in the folder

#_________________________________

tabcmd login -s $TS -u $username -p $pass -t $SiteF

ForEach ($wb in @(Import-Csv -Path C:\POSH\PNGExport\Reports.csv | select -expand view_url) )

{

    Try

        {

            $newwb = $wb -replace "/", "_"

            tabcmd export $wb --png -f $newwb 2>> C:\POSH\PNGExport\TabCmdGetWbErr.txt

        }

    Catch

        {

            Write-Error -Message “Error occured: $_”

        }

}

#_________________________________

#  Convert PNG to BMP - helps people who are moving these photos into Powerpoint

#  Comment the Dir *.png.... line out of the script if you want to keep them as PNG files

#_________________________________

Dir *.png | rename-item -newname {  $_.name  -replace '\.png$','.bmp'  }

tabcmd logout

#_______________________________End here

Cheers,

Tyler Garrett

founder

Dev3lop

I'm curious about this line Tyler:

Dir *.png | rename-item -newname {  $_.name  -replace '\.png$','.bmp'  }

What's the point of renaming the .png to a .bmp since it isn't actually converting the image file?