Am 28.05.2013 um 15:08 schrieb Jeong Dal <hak...@me.com>:

> Dear Wolfgang,
> 
> I read your detailed explanation about the difference between "overlay" and 
> "layer".
> 
> Here is your sample code using layer.
> 
> \starttext
> 
> \definelayer[test]
> 
> \setlayer[test][x=3cm,y=6cm]{ONE}
> \setlayer[test][x=8cm,y=2cm]{TWO}
> \setlayer[test][x=2cm,y=9cm]{THREE}
> 
> \flushlayer[test]
> 
> \stoptext
> 
> It shows ONE, TWO, and THREE in the same page.
> 
> I'd like to show each word one by one when I click, so I tested the following 
> code.
> 
> \setupinteraction[state=start]
> \usemodule[pre-60]
> \starttext
> \definelayer[test1]
> \definelayer[test2]
> \definelayer[test3]
> \setlayer[test1][x=3cm,y=6cm]{ONE}
> \setlayer[test2][x=8cm,y=2cm]{TWO}
> \setlayer[test3][x=2cm,y=9cm]{THREE}
> \StartSteps
> \flushlayer[test1] \FlushStep
> \flushlayer[test2] \FlushStep
> \flushlayer[test3] \FlushStep
> \StopSteps
> \stoptext
> 
> This code produces 3 page output one word per each page. There is no need to 
> click the mouse.
> I may misunderstand about the layer.
> 
> However, is there a way to show each word one by one in the same page when I 
> click.

\setupinteraction[state=start]

\usemodule[pre-60]

\definelayer[test]

\starttext

\StartSteps
\setlayer[test][x=3cm,y=6cm]{ONE}\FlushStep
\setlayer[test][x=8cm,y=2cm]{TWO}\FlushStep
\setlayer[test][x=2cm,y=9cm]{THREE}\FlushStep
\StopSteps

\flushlayer[test]

\stoptext

Wolfgang
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