[powerdot] Re: Some suggestions

  • From: Murali Krishnan Ganapathy <gmkrishn@xxxxxxxxxxxxxxx>
  • To: powerdot@xxxxxxxxxxxxx
  • Date: Thu, 08 Jun 2006 09:40:55 -0500

Hendri Adriaens wrote: 

-- Versions of theorem, lemma, corollary ,etc. environments which look
nice like
    http://tug.org/TeXnik/mainFAQ.cgi?file=layouts/examples#example0
    as Herbert suggested. I used that template to create my own
    \pdtheorem, pdlemma, etc. environments and also ensured that they
all use the same counter but counter value never gets displayed
    (In a presentation nobody remembers theorem 5, they remember "Main
Theorem","Sylow's Theorem" etc...)
    Ofcourse, my version has still some spacing issues (sometimes I
need to add \vspace{-0.5cm} after use of environment and sometimes not)

Easily added manually, no reason for powerdot to do that as everyone
likes his/her theorems typeset in a different way. There are packages
for that.
All the ones I know of at least, are meant for paper not for screen. Also they do not make use of colors to highlight the theorem statement. If we had a "pdtheorem" environment which would do that (would come with powerdot as a separate .sty file), then it would give users more options.
-- An enumerate environment which uses "picture" like numbers
pdenumerate -->
\begin{enumerate}[label={\ding{\value*}},start=202,#1]....\end{enumerate} 

   or may be it might be a good idea to add a "itemstyle" option to the
enumerate command (orthogonal to the current type option) which can be
used to store away certain oft used argument combinations to enumerate)
and let the powerdot styles define these "itemstyles".
Already possible via enumitem, see its docs.
According to what I see in the enumitem docs, the only relevant macros are \setitemize, \setenumerate ... which set the options for all itemize, enumerate environments. What I wanted was to be able to define
\begin{pdenumerate}
\item X
\end{pdenumerate}

instead of

\begin{enumerate}[label={\ding{\value*}},start=202,#1]
\item X
\end{enumerate}

Again the idea here is not that this is hard to do for the user. If these things are available with pdutils.sty and say defined using pdcolor1, pdcolor2 etc. as opposed to white, black (which is what a normal user would do), it would make it easier for the user to change styles and have these things mesh well with the style being used.

This is more related to ps-tricks
-- I would love to have a macro like \pgfdeclareimage and \pgfuseimage,
so that when I include a JPG file in 20 overlays, I see only one copy of
it in the PDF file. Since powerdot is going dvi-> ps -> pdf, I cannot
\pgfdelcareimage and \pgfuseimage constructs with "JPG" files (since
they are only used for direct pdf output).


ps2pdf only includes 1 copy of an image!
For ps, there is graphicx-psmin package.

Thanks for the info. I did not know about ps2pdf including only one copy. Neither did I know about graphicx-psmin.

The idea for the whole thing is to make it easier for people who do not know anything more than writing an article using LaTeX (do not know pstricks, plain TeX...) to be able to use powerdot and build a colorful presentation.

- Murali

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