Weight Map lookup prob + Re:Weight Map Value Range and Opacity 2004-05-18 - By Robert Moodie
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I thought that was the it always worked - the operator defines the
amplitude, the weight map modulates that amplitude e.g. 80% opacity on push
deform of 10 should give you a deform of 8 units.
For the negative thing, have you checked that the brush properties have a
negative range defined? I don't think it adds it by default.
-- -- Original Message -- --
From: "Christian Rittener" <chrr@(protected)>
To: <XSI@(protected)>
Sent: Tuesday, May 18, 2004 3:27 PM
Subject: Re: Weight Map lookup prob + Re:Weight Map Value Range and Opacity
> Thanks Reinhard,
>
> For my problem:
> your guess seems unfortunately to be wrong, but I just found a solution.
> The "amplitude" slider in the Push Operator (not in the PushMap property)
> can be set, EVEN THOUGH it is connected to the PushMap (never saw this in
> XSI before...). So I can set it to 20, and leave my brush Opacity at 100%,
> and it makes more sense.
> By the way, I found out that in "Set Weight" mode, R-click sets weight in
> positive value, even though the status bar shows "decrease weight". I
think
> it should set weight negatively.
>
> As to your problem:
> I tried a quick setup, but from what I can see, connecting a Map Lookup
node
> to displacement is not the best way to raise/lower vertices. Why not use
the
> Push Paint Tool? It works OK on clusters. Displacement should be used when
> you want detail at a higher resolution than your mesh, which you can't do
> with weight maps.
>
> Christian
>
>
> Reinhard Claus wrote:
> > Seems to be Weight Map day today!
> > My problem is with the map lookup rendertree node. If a WM is defined
> > for a partial cluster only, the rendertree WM lookup node seems to
> > return -2 for the weight outside that cluster. (detected that by
> > connecting it to displacement)
> >
> > If, how can I control this value?
> >
> > Thanks again in advance for a reply.
> >
> > Reinhard
> >
> > ps:
> > Christian, my guess is that it's the direct weight value times 100.
> > 100% would correspond to a weight of 1. 1000% would be 10 then.
> > (just a guess)
>
>
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