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 | b | b := RTCircularTreeMapBuilder new. b shape color: Color transparent; borderWidth: 1; borderColor: Color black; if: [ :cls | cls subclasses isEmpty ] fillColor: [ :cls| (Smalltalk includesKey: (cls name, 'Test') asSymbol) ifTrue: [ Color green ] ifFalse: [ Color purple ] ]. b baseradius: 200; weight: [ :cls | cls withAllSubclasses size]. b explore: RTObject using: #subclasses. b build. ^ b view

| b dirSize |

b := RTCircularTreeMapBuilder new.

b shape

color: Color transparent;

borderWidth: 1;

borderColor: Color white;

if: [ :f | f isDirectory ] fillColor: Color transparent;

if: [ :f | f isDirectory not ] fillColor: Color white.

dirSize := nil.

dirSize := [ :file | | size |

file isDirectory 

ifTrue: [

size := 0.

file children do: [ :child | size := size + (dirSize value: child)].

size isZero ifTrue: [ 1 ] ifFalse: [ size ] ]

ifFalse: [ size := file size.

size isNumber ifTrue: [ size ] ifFalse: [ 1 ] ] ].

b

baseradius: 200;

weight: [:file | file isDirectory ifTrue: [ dirSize value: file ] ifFalse: [ file size ] ].

b explore: FileLocator home asFileReference

using: [:file | | children |

[ children := file isDirectory ifTrue: [ file children ] ifFalse: [ #() ] ]

on: Error do: [ children := #() ].

children ] .

b build.

b view canvas color: Color black.

b view