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Since the 'image_map' is being made first it would be good to use the
Bits_Per_Color=n option (also known as +Ffn [f=file type, n=bits per
color]). However, I've noticed that I can't get PSP 5 to see anything
but 24bit image files. Anyone know something about it?
Bob
Ken <tyl### [at] pacbell net> wrote in message
news:37CC06BD.FC51DAA2@pacbell.net...
>
>
> "Mr. Art" wrote:
> >
> > Hi all,
> > I am having trouble getting an image map to have transpatent
colors
> > in it.
> > I have rendered a scene of text as "NutWords.png" and used it to
wrap
> > around a glass globe.
> > ex: #declare Test =pigment{image_map{png "NutWords.png" transmit
0,.5}}
> >
> > ( Only the parts that give me a problem are left as I test this.)
> > When I try to render, I get an error message like this:
> > #declare Test =pigment{image_map{png "NutWords.png" transmit 0
> > <----ERROR
> > F:\AUserScn\test.pov:11; error: Keyword 'transmit' cannot be used
non
> > color-mapped image.
> >
> > When I looked in the help file to find the right format, I find
this:
> >
> > The Filter and Transmit Bitmap Modifiers
> >
> > To make all or part of an image map transparent you can specify
filter
> > and/or transmit
> > values for the color palette/registers of PNG, GIF or IFF pictures
(at
> > least for the modes
> > that use palettes). You can do this by adding the keyword filter
or
> > transmit following
> > the filename. The keyword is followed by two numbers. The first
number
> > is the palette
> > number value and the second is the amount of transparency.
> >
> > What am I missing? I saved this part of the project for last and
now I
> > am stuck.
> > Thanks for any help.
> >
> > Mr. Art
>
> First thing that you should know is that for transmit or filter to
work
> with image mapping you need an image saved to 8 bit 256 colors or it
won't
> work. Higher color depths will be ignored and the feature will not
work.
> Once you get past that the format outlined in the docs should work
for you.
>
> --
> Ken Tyler
>
> See my 850+ Povray and 3D Rendering and Raytracing Links at:
> http://home.pacbell.net/tylereng/index.html
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