# [NTG-context] some equivalent of latex beamer \item<uncover at 1>?

Hans Hagen pragma at wxs.nl
Mon Feb 21 09:14:30 CET 2011

On 21-2-2011 8:00, Thomas A. Schmitz wrote:
>
> On Feb 21, 2011, at 12:57 AM, Hans Hagen wrote:
>
>> Not in the short term, i might give it a try some day but I hate mechanisms that interfere with others in unpredictable ways as do such multiple page solutions (references, spacing etc) unless one sticks to predictable structure and wants to patch core macros for this kind of stuff which is not what I like. Also, I've never seen anyone do a presentation with another viewer.
>>
>> Hans
>>
>> (who wonders why no one adds simple javascript support to the other pdf viewers, a reasonable subset would do)
>
> I do presentations with evince, okular, or Apple's Preview when I'm on OS X. I avoid Adobe Reader as much as I can because it's incredibly bloated (more so at every new version), insists on taking over my operating system (almost impossible to keep it from checking for updates, helpfully "repairing" components and features that I have explicitly disabled), still doesn't autorefresh, and has uglier font rendering, especially in linux. So I don't like javascript solutions at all.
>
> For the problem at hand, maybe I'm naive, but here's my thoughts: would it be very hard to implement an alternative with layers? All we need for stepwise stuff to work would be
> - reset userpagenumber to current value
> - collect everything on slide in layer X, add layer X + 1 on top of this.
>
> Or is this too simplistic?

there are presentation styles that do that indeed and it works as long
as you don't rely on multipass trickery like automatically generated
tocs and so (some can be intercepted, some not) .. but it's long ago
that i used them so there might be clever tricks at work there

Hans

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