TEX file three times, or your PDF viewer does not support OCG. Use Adobe Reader!

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Ocgtools demo

Robert Maˇr´ık

Copyright c 2013

Last Revision Date: June 28, 2013

If this message does not

disappear after a short time, the author either did not

compile the L

^A

TEX file three times, or your PDF viewer does not support OCG. Use Adobe Reader!

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Table of Contents

1. Introduction

2. Options of the package 3. A taste of mathematics 4. Few more tests

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1. Introduction

This is test file for ocgtools package. You can (using pdflatex) insert hidden TEX material into PDF files and open/close by clicking active links. The active links in this document are pictures (like the picture in this paragraph) or blue text. There are two kinds of behavior

• OCG spans over allmost whole PDF pages (with black or transparent boundary) and can be hidden by clicikng anywhere in the page –Try it here!

• OCG is small and can be hidden either with the same link which opens this text or with red mark on the right top corner –Try it here!

Note that the pictures may look darker in Adobe Reader on Linux if you use package option transparent (means transparent boundary of the OCG’s, used for example in demos for Beamer class and pdfscreen.sty package). For comparison you can look at the original picturehere) or at the demos which use web.sty package. PDF vieweruses another rendering when trasparency is called and this seems to be system dependent. So be carefull when combiningtransparentoption and bitmap pictures. The option fixcolor may help to resolve this problem.

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Click anywhere to close.

8 Click the same link or the

red mark to close.

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More preciselly, Adobe Reader.

It is well known program. You can install it on both Linux and Windows.

8 This comment is in vbox with specified width and may contain new paragraphs. It is rather long and placed on the top of the page. Hence it is shifted a bit to fit the area on the screen. However, if the papersize is small (like for Beamer test files), the bottom part remains invisible for reader.

2-nd paragraph.

3-rd paragraph.

This is the last paragraph.

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Section 1: Introduction 4

∇ · D = ρ (1)

∇ · B = 0 (2)

∇ × E = −∂B

∂t (3)

∇ × H = J +∂D

∂t (4)

Here we testocg’swhich are inside group (Maxwell’s equa- tion in minipage) and which are taller than wide (little golf player).

Maxwell equations

∇ · D = ρ

∇ · B = 0

∇ × E = − ∂B

∂t

∂D

OptionalContentsGroup8

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2. Options of the package

This is some random text to see that wrapfig works and wide pictures are scaled properly. Several options are available for the package ocgtools: transparent, insertvisible, nobutton, noocg, inactive, active,noprogressmsg,minimouseover,mouseover,nopageclose,fixcolor (each option has an associated minilayer with an explanation).

Examples distributed with the package are in the form of demo files based on three packages (beamer, web, pdfscreen). Each example has three variants with no panel, with panel on the right and on the left and each example is compiled with different options. The current document is compiled with the following options:insertvisible, minimouseover,

Note that we used \def\defaultocgpapercolor{black} and

\def\defaultocgfontcolor{green} on this page.

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anmf asdfh akdfjha adfjh akjdfh

8 Wrapfig is a package for L^ATEX.8

beamer and pdfscreen demo files are compiled with transparent option – the black boundary of big layers is opaque.

The file ocgtools-example-web.tex8 is compiled with insertvisible option. The layers are inserted as visible layers and are turned to invisible when the PDF file is opened.

Normally the pages with active layers have a8 transparent button which can be used to hide this layer. The user simply clicks anywhere and the layers become hidden. In some viewers (like Foxit Reader) the button is not 100% transparent. This option allows not to include the big button to hide layers. The layers can be closed by clicking the red cross below. Demo files based on pdfscreen are compiled with this option. Use this option to make the document accessible to Foxit Reader users.

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All OCG’s are ignoredThe same as noocg8 8 OCG’s are inserted, overrides inactive and noocg8

No messagae about processing OCG’s at the first page when document is opened.

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web and beamer demo files are compiled with minimouseover option. You can open the minilayer by mouseover action in the area which is in the form of invisible square 8pt×8pt placed at the bottom right corner of the referrence text.

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The same as minimouseover, but works also for big layers. No demo file is compiled with this option.

8 By default, layers and buttons for hiding them are turned into hidden when entering a page. This option turns this behavior off. Demo files based on pdfscreen are compiled with this option.

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Tries to fix the problem with bitmap images and transparency on Linux machines

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Section 3: A taste of mathematics 6

a b

Figure 1: Floating figure

3. A taste of mathematics

Mfpic pictures can be scaled easily (see the floating figure).

We can add explanation to some computations easily (Note the text Why? inserted automatically by redefining macro \ocgtextend).

Z _Why? Z 1

Integration by parts Z

ln x dx = Z

1 · ln x dx 8

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4. Few more tests

Package ocgtools.sty redefines output routine via atbegshi.sty package. From this reason it may be incompatible with some other packages dealing with output routine. However, the package eso-pic.sty works fine.

Test for placing OCG’s:

lb rb lt rt

lb rb lt rt This is optional OCG.8

This is optional OCG.8 This is optional OCG.8

This is optional OCG.8

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Section 4: Few more tests 8

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