Thanks to all who responded to my question about building a
presentation using groff instead of PowerPoint. The ideas were
very good, and I may still pursue them. As for now, I was looking
for a way to do what I needed to do using groff, going to PS or
PDF.
I discovered a way to create a background color, over which I
can create colored patterns and text. The result is a solid,
constant color over the entire page.
1. Draw a box that borders the entire page by using the polygon
solid draw escape sequence (\M[color]\D'E...'\M[]).
2. Draw any other figures and fill with desired colors.
3. Draw the text for the page.
Begin next page.
Whether this gets me what I want for a presentation remains
to be seen, but at least I can create a page with colored background
and put things exactly where I want them, without using PowerPoint.
If I want them as paper slides, I can send the pages to a color
printer.
Now, if I could find a way to transition colors from one to another
across the space, either top-to-bottom, side-to-side, or
corner-to-corner like one package does (I didn't download and try
it, but the demo pages look fascinating)...
FWIW,
Clarke
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