[Bf-committers] Ghostlike datablocks

[Meino Christian Cramer]

From: Ton Roosendaal <ton@blender.org>
Subject: Re: [Bf-committers] Ghostlike datablocks
Date: Mon, 10 May 2004 13:47:09 +0200

Hi Ton, hi Jeremy,

 I tried the
 kill-the-SCENE-save-delete-all-reload-save-delete-all-quit-ls-l-cycle
 ;) and there are still data in the oops window, which is not
 reachable anymore. I switched on ALL options of the OOPS window to see
 al possible data and found orphaned (is this the right word?) data.
 No link, no background color but still occupying space.

 There were data lost during the mega cycle (see above :)...but not
 all was lost, which isn't used anymore.

 If this behaviour including the mega cycle trick is not s bug I would
 say it is at least a vvery hackish feature of blender not being very
 -hrrrmmm- intuitive in use for the average user... :O)

 Is it possible to remove such kinda "memory leaks" ?

 Keep hacking!
 Meino

 PS: If one wants the file....
 PPS: Now I know I need to kill the script file before mailing, Ton! ;)


> Hi,
> 
> No (Jeremy) it doesn't work that way.
> 
> Blender hardly frees data when "delete", instead it unlinks data. All  
> data that has links then still is written in a Blender file.
> 
> Sometimes, such links still exist (can be a tree with many brances).  
> The unlink options in Blender don't fully check entire trees, instead  
> it reconstructs trees on a file read.
> The way to get rid of these Meshes is just by 2 save/load cycles. Not  
> with Blender quitting inbetween!
> 
> (In your case, when you delete a Scene for example, all Objects being  
> used by the scene get one 'user reference' less. But the data linked to  
> Objects itself remains.)
> 
> -Ton-
> 
> 
> On Sunday, May 9, 2004, at 20:55 Europe/Amsterdam,  
> jeremy@marzhillstudios.com wrote:
> 
> > Hi,
> >
> > Being one of those who pokes around the oops code. You can probably
> > select the meshes there and then delete them in the 3d view. What's
> > selected in Oops should be selected in 3d view. I don't know for sure
> > if that will work but you might give it a try.
> >
> > On 9 May 2004 at 7:51, Meino Christian Cramer wrote:
> >
> >> Hi,
> >>
> >>  I've got a problem and found no way to solve it so it may be a bug.
> >>
> >>  I had a *.blend file with one SCENE.
> >>
> >>  Then I added (SHIFT F1) a second scene from another file.
> >>
> >>  Then I deleted this scene (it was the wrong one).
> >>
> >>  Now I have tons of "wild" meshes with nothing is linked to. They only
> >>  increase the size of the file.
> >>
> >>  A save-quit-restart-reload cycle does not help.
> >>
> >>  In the OOPS window those meshes (scene datablocks) are drawn with
> >>  background color of the OOPS window (or one could say "without" any
> >>  extra background color). All "real" meshes do have a background
> >>  color.
> >>
> >>  Nor more used materials get kicked out of the file after a
> >>  save-reload. This seems not to be true for mesh datablocks.
> >>
> >>  I found no way to delete them neither by experimenting nor by
> >>  searching the 2.3 book.
> >>
> >>  Any hint? If no, then it is a bug... ;)
> >>
> >>  Kind rrgards,
> >>  Meino
> >> _______________________________________________
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> >> Bf-committers@blender.org
> >> http://www.blender.org/mailman/listinfo/bf-committers
> >>
> >>
> >>
> >
> >
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> >
> ------------------------------------------------------------------------ 
> --
> Ton Roosendaal  Blender Foundation ton@blender.org  
> http://www.blender.org
> 
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