No Subject 2004-02-12 - By Pankhurst, Lawrence
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Hi Adam,
In your bump map generator node go to texture tab, under bump mapping you
need to adjust the step value as follows. You need to divide 0.001 by your
number of texture repeats, so for 40 it would be 0.001/40, you need to do
this in script editor not by typing into the box next to the slider however
as it will not except this value!!
so for my test on a grid
SetValue "grid.Material.Bumpmap_generator.step.x", 0.001/40
SetValue "grid.Material.Bumpmap_generator.step.y", 0.001/40
SetValue "grid.Material.Bumpmap_generator.step.z", 0.001/1
and finally if your object is scaled it also helps to freeze the scaling!
Lawrence
-- --Original Message-- --
From: owner-xsi@(protected) [mailto:owner-xsi@(protected)]On Behalf
Of IOMEDIA.SoftXSI
Sent: 11 February 2004 19:41
To: XSI@(protected)
Subject:
I am creating a simple texture using a diffuse map and a bump map which
is then to be tiled 40 or so times on the surface. The bump is
essentially the same image as the diffuse, but desaturated and
incorporating level-adjustments. They both share the same texture
support, but for some reason, the bump seems to be offset about 50%. I
get the same problem regardless of whether or not I create a bump using
a seperate image connected through a bumpmap generator node or if I copy
that bump image into the alpha for the diffuse and just check the enable
bump and use alpha options within the actual image node.
I've recreated the tree a number of times, but get the same problem. If
anyone knows how to get rid of this annoying offset, I'd appreciate some
help. Thanks.
-adam
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