Parts/Heatmap.ps1
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<# .Synopsis Heatmaps a value .Description Determines the appropriate temperature color of a value, given a -Cool and -Hot color (passed as ints) .Notes IsFormatPart: true #> param( # The value that will be heatmapped. $Value, # The maximum, by default 1gb [Parameter(Mandatory)] $Max = 1gb, # The middle value, by default 512mb $Middle = 512mb, # The minimum value, by default 0 $Min = 0, # The color for cool. # To pass a Hex color as an int, simply replace # with 0x # (e.g. 0x00ff00 for green instead of '#00ff00') [int] $Cool =0x05dd00, # The color for hot. # To pass a Hex color as an int, simply replace # with 0x # (e.g. 0xff0000 for red instead of '#ff0000') [int] $Hot = 0xef1100 ) # Separate out the segments of the color, $coolRedPart = [byte](($Cool -band 0xff0000) -shr 16) # by bitmasking and then shifting right until it's bytes $coolGreenPart = [byte](($Cool -band 0x00ff00) -shr 8) $coolBluePart = [byte]($Cool -band 0x0000ff) $hotRedPart = [byte](($hot -band 0xff0000) -shr 16) $hotGreenPart = [byte](($hot -band 0x00ff00) -shr 8) $hotBluePart = [byte]($hot -band 0x0000ff) "#{0:x2}{1:x2}{2:x2}" -f @( if ($Value -le $Min) { $coolRedPart, $coolGreenPart, $coolBluePart } elseif ($Value -ge $Max) { $hotRedPart, $hotGreenPart, $hotBluePart } else { if ($Value -le $Middle) { $d = 1 - ([double]$value / ($Middle - $min)) [Byte][Math]::Min(255, $hotRedPart * $d + $coolRedPart) [Byte][Math]::Min(255, $hotGreenPart * $d + $coolGreenPart) [Byte][Math]::Min(255, $hotBluePart * $d + $coolBluePart) } else { $d = 1 - ([double]$value / ($Max - $Middle)) [Byte][Math]::Min(255, $coolRedPart * $d + $hotRedPart) [Byte][Math]::Min(255, $coolGreenPart * $d + $hotGreenPart) [Byte][Math]::Min(255, $coolBluePart * $d + $hotBluePart) } } ) |