[Bf-committers] normal maps, red/green channel inverted

Knapp magick.crow at gmail.com
Tue Feb 22 20:43:34 CET 2011


Just provide an external tool or add-on to fix the files. Perhaps pop up a
warning: this file has a broken bump-map, run XXX to fix it.

On Tue, Feb 22, 2011 at 7:45 PM, Thomas Dinges <blender at dingto.de> wrote:

> I wouldn't do a hackish button either, if it works correct as in 2.49
> it's fine and all we need.
>
> Am 22.02.2011 19:33, schrieb Ton Roosendaal:
> > Hi all,
> >
> > The situation is worse apparently; up to Blender 2.49 the normal maps
> > were fine, but the "newbump" patch in 2.51 made red channel become
> > badly inverted.
> >
> > Having it work like in 2.49 is of course correct. Brings up the
> > question if we should provide a hackish button to support bad normal
> > maps created in the alpha/beta period.
> >
> > Morton's&  Mario's proposal is to not do this. I agree, it only makes
> > UI uglier... :)
> >
> > -Ton-
> >
> > ------------------------------------------------------------------------
> > Ton Roosendaal  Blender Foundation   ton at blender.org    www.blender.org
> > Blender Institute   Entrepotdok 57A  1018AD Amsterdam   The Netherlands
> >
> > On 20 Feb, 2011, at 14:45, Dalai Felinto wrote:
> >
> >> Instead of "old Blender Normal maps" couldn't it be "invert color
> >> channels [tooltip: old Blender Normal Maps - invert red/green
> >> channels"? Or Blender was really the only software out there using
> >> those inverted?
> >>
> >> I remember this being discussed a while ago (1year or +) but don't
> >> remember what was the outcome of it.
> >>
> >> --
> >> Dalai
> >>
> >> 2011/2/20 Ton Roosendaal<ton at blender.org>:
> >>> Hi,
> >>>
> >>> I think Carsten's proposal is the nicest way, even when a bit "ugly".
> >>> We can add a version patch in .blend files that sets this button
> >>> active for all old .blends, but not active for newly created
> >>> textures.
> >>>
> >>> -Ton-
> >>>
> >>>
> ------------------------------------------------------------------------
> >>> Ton Roosendaal  Blender Foundation   ton at blender.org
> www.blender.org
> >>> Blender Institute   Entrepotdok 57A  1018AD Amsterdam   The
> >>> Netherlands
> >>>
> >>> On 19 Feb, 2011, at 23:47, Carsten Wartmann wrote:
> >>>
> >>>> Am 19.02.2011 23:08, schrieb Dalai Felinto:
> >>>>> I wonder if instead of a commandline it would be possible to do
> >>>>> this
> >>>>> conversion with Python. I'm not sure of the current status of bpy
> >>>>> for
> >>>>> image handling, but it would be neat to have an addon for that.
> >>>> My idea was having a Button inside the Texture Context, Image Tab
> >>>> (beneath the Normal Map Button) to use "old Blender Normal maps".
> >>>>
> >>>> Carsten
> >>>> --
> >>>> Carsten Wartmann: Autor - Dozent - 3D - Grafik
> >>>> Homepage:         http://blenderbuch.de/
> >>>> Das Blender-Buch: http://blenderbuch.de/redirect.html
> >>>> _______________________________________________
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> >>>> Bf-committers at blender.org
> >>>> http://lists.blender.org/mailman/listinfo/bf-committers
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> >>>
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