LaTeX/C3/newenvironment-in-LaTeX/English - Revision history

Nancyvarkey at 15:07, 19 September 2015

2015-09-19T15:07:00Z

Nancyvarkey at 11:18, 18 September 2015

2015-09-18T11:18:36Z

Ambika at 08:26, 18 September 2015

2015-09-18T08:26:24Z

Ambika at 08:15, 18 September 2015

2015-09-18T08:15:13Z

Ambika: Created page with "'''Title of script: New Environments''' '''Author:''' '''Ambika Vanchinathan''' '''Keywords: New environment, renewenvironment, define environments in LaTeX, \newenvironment..."

2015-09-14T08:07:15Z

Created page with "'''Title of script: New Environments''' '''Author:''' '''Ambika Vanchinathan''' '''Keywords: New environment, renewenvironment, define environments in LaTeX, \newenvironment..."

New page

'''Title of script: New Environments'''

'''Author:''' '''Ambika Vanchinathan'''

'''Keywords: New environment, renewenvironment, define environments in LaTeX, \newenvironment, \renewenvironment, video tutorial'''

{| style="border-spacing:0;"
| style="border:0.75pt solid #000000;padding:0.176cm;"| '''Visual Cue'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| '''Narration'''

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Slide
| style="border:0.75pt solid #000000;padding:0.176cm;"| Welcome to the spoken tutorial on creating new '''environments '''in '''LaTeX'''.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Slide:'''Learning Objectives'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| This tutorial will help the learners to

* create or define new '''environments''' to get customized output.
* redefine the existing '''environments'''.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Slide: '''Pre-requisites'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| To follow this tutorial,

# You should have knowledge of '''commands '''that are necessary to create a document in '''LaTeX'''.
# You should also have knowledge of '''compiling '''and producing a '''PDF output '''in '''LaTeX'''.
# If not, please go through the relevant '''LaTeX''' spoken tutorials on this website.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Slide:'''System Requirements'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| To record this tutorial, I am using

* '''Ubuntu Linux 14.04''' operating system
* '''TeXWorks 0.5'''

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| slide: '''New Environment'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| Just like new '''commands,''' we can define new '''environments.'''

As the name suggests the command '''newenvironment''' is used to create/define a new '''environment'''.

It is used to format blocks of text, generally.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| slide: '''New Environment'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| New environment is a variation of executing few existing commands put together in a sequence.

Ensure that the custom '''environment''' you create, is not an already existing '''LaTeX''' '''environment'''.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| slide: '''New''' '''environment'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| The syntax to define a new '''environment '''is

'''\newenvironment{environment name}{start commands}{end commands} '''

Here the '''start commands''' are done whenever the environment starts.

And '''end commands''' are performed whenever the environment ends.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Open the '''TeXWorks''' editor
| style="border:0.75pt solid #000000;padding:0.176cm;"| Let us open the '''TeXWorks''' editor.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| (copy/paste the following in TeXWorks)

\documentclass{article}

\usepackage{color}

\newenvironment{bluetext}

{\begin{center}\color{blue}}

{\end{center}}

\begin{document}

This text is outside the new environment. This text is outside the new environment.

This text is outside the new environment.

\begin{bluetext}

Testing to see whether this text is in blue colour.

\end{bluetext}

some more text

\end{document}
| style="border:0.75pt solid #000000;padding:0.176cm;"| Type the code as shown here into the '''tex''' file.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Point to the exact line as per narration
| style="border:0.75pt solid #000000;padding:0.176cm;"| Here '''\newenvironment{bluetext}'''

means that we are defining a new '''environment''' called '''bluetext.'''

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Point to the exact line as per narration
| style="border:0.75pt solid #000000;padding:0.176cm;"| Here in the definition we center the text and colour it with blue using

'''{\begin{center}\color{blue}}'''

'''{\end{center}}'''

While using it, we just give '''\begin{bluetext}''' and''' \end{bluetext}''' with the intended text between the two.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Save as '''newEnv.tex'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| Save the file as '''newEnv.tex'''

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Compile >> Point to the pdf output
| style="border:0.75pt solid #000000;padding:0.176cm;"| Let us compile and see the output.

Observe the blue text in the output.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"|
| style="border:0.75pt solid #000000;padding:0.176cm;"| <nowiki><<PAUSE>></nowiki>

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"|
| style="border:0.75pt solid #000000;padding:0.176cm;"| We will now see how to use '''parameters''' in the '''environments'''.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| slide: '''New environment with parameters'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| New environment with parameter is defined as

'''<nowiki>\newenvironment{environment name}[parameters]{start commands}{end commands} </nowiki>'''

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| open a new file in TeXWorks
| style="border:0.75pt solid #000000;padding:0.176cm;"| Let’s open a new file in '''TeXWorks'''.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| (copy/paste the following)

\documentclass{article}

\usepackage{color}

<nowiki>\newenvironment{bluetext}[1]</nowiki>

{\begin{center}\color{blue}

<nowiki>\textbf{\textit{#1}}\\[12pt]</nowiki>

}

{\end{center}}

\begin{document}

This text is outside the new environment. This text is outside the new environment.

This text is outside the new environment.

\begin{bluetext}{My text in blue}

Testing to see whether this text is in blue colour.

\end{bluetext}

some more text

\end{document}
| style="border:0.75pt solid #000000;padding:0.176cm;"| Now, we will copy the code given here into our '''TeX''' file.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Point to the exact line as per narration

| style="border:0.75pt solid #000000;padding:0.176cm;"| Let us understand the code now.

Here in the given code, we are adding a title to the blue text by getting the title as an '''input parameter.'''

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Point to the exact line as per narration
| style="border:0.75pt solid #000000;padding:0.176cm;"| We have just added

'''<nowiki>\textbf{\textit{#1}}\\[12pt]</nowiki>'''

to the code given for the '''environment''' without '''parameter'''

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Point to the exact line as per narration
| style="border:0.75pt solid #000000;padding:0.176cm;"| * We use it as '''“\begin{bluetext}{My text in blue}”'''
* and the text,
* and then '''“\end{bluetext}”'''

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Save file as '''newEnvp1.tex'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| Save the file as '''newEnvp1.tex'''

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Compile >> point to the pdf
| style="border:0.75pt solid #000000;padding:0.176cm;"| Now compile and see the output.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"|
| style="border:0.75pt solid #000000;padding:0.176cm;"| <nowiki><<PAUSE>></nowiki>

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"|
| style="border:0.75pt solid #000000;padding:0.176cm;"| We shall see the '''renewenvironment''' now.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| slide: '''renewenvironment'''

| style="border:0.75pt solid #000000;padding:0.176cm;"| '''renewenvironment '''is used to change or overwrite the existing environment.

The syntax for '''renewenvironment''' is

'''\renewenvironment{env}{start commands}{end commands} '''

It’s quite similar to newcommand.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Open a new '''tex''' file.
| style="border:0.75pt solid #000000;padding:0.176cm;"| Open a new '''tex''' file.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| (copy/paste the following)

\documentclass{article}

\renewenvironment{itemize}{\begin{center}\large }{\end{center}}

\begin{document}

This text is outside the new environment. This text is outside the new environment.

This text is outside the new environment.

\begin{itemize}

Text inside itemize

Lets check the output

\end{itemize}

\end{document}
| style="border:0.75pt solid #000000;padding:0.176cm;"| Type the code as given here.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Point to the exact line as per narration
| style="border:0.75pt solid #000000;padding:0.176cm;"| Let us understand the code.

'''\renewcommand{itemize} '''redefines the '''itemize environment.'''

It is defined as '''{\begin{center}\large} '''and '''{\end{center}} '''

This means that the text should be centered and made to '''large''' size.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"|
| style="border:0.75pt solid #000000;padding:0.176cm;"| Recall that the '''itemize environment '''creates a list according to the original definition.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Point to the exact line as per narration
| style="border:0.75pt solid #000000;padding:0.176cm;"| Let’s see the usage.

The text given within '''\begin{itemize}''' and''' \end{itemize}'''

should be

* converted to large size
* and centered according to our definition

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Save code to '''renewEnv.tex'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| Let us save the file as '''renewEnv.tex '''and compile the '''tex''' file.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Point to the '''PDF''' output
| style="border:0.75pt solid #000000;padding:0.176cm;"| Observe the output.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Slide: '''Summary'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| To summarise, we have learnt

* '''newenvironment'''
* '''newenvironment''' with '''parameters'''
* '''renewenvironment'''

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| slide: '''Assignment'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| Create an environment '''itemizecolor, '''which takes the color (red, blue, yellow, green) as input and creates a list in that color.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| '''Slide: Acknowledgement'''
| style="border:0.75pt solid #000000;padding:0.176cm;"| The video at the following link summarises the Spoken Tutorial project.

Pls watch it.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Slide
| style="border:0.75pt solid #000000;padding:0.176cm;"| The Spoken Tutorial Project Team :

Conducts workshops using spoken tutorials and

Gives certificates to those who pass an online test

For more details, please write to us.

|-
| style="border:0.75pt solid #000000;padding:0.176cm;"| Slide
| style="border:0.75pt solid #000000;padding:0.176cm;"| Spoken Tutorial Project is funded by the NMEICT, MHRD, Government of India.

More information on this Mission is available at[http://spoken-tutorial.org/NMEICT-Intro ][http://spoken-tutorial.org/NMEICT-Intro this][http://spoken-tutorial.org/NMEICT-Intro ][http://spoken-tutorial.org/NMEICT-Intro link][http://spoken-tutorial.org/NMEICT-Intro .]

This is Ambika Vanchinathan signing off.

Thanks for joining.

|}

@@ Line 13: / Line 13: @@
 |-
 | style="border:0.75pt solid #000000;padding:0.176cm;"| Slide
-| style="border:0.75pt solid #000000;padding:0.176cm;"| Welcome to the spoken tutorial on creating new '''environments '''in '''LaTeX'''.
+| style="border:0.75pt solid #000000;padding:0.176cm;"| Welcome to the spoken tutorial on creating '''new environments '''in '''LaTeX'''.
 |-
@@ Line 21: / Line 21: @@
 * create or define new '''environments''' to get customized output.
 * redefine the existing '''environments'''.
 |-
@@ Line 31: / Line 29: @@
 # You should also have knowledge of '''compiling '''and producing a '''PDF output '''in '''LaTeX'''.
 # If not, please go through the relevant '''LaTeX''' spoken tutorials on this website.
 |-
@@ Line 40: / Line 36: @@
 * '''Ubuntu Linux 14.04''' operating system
 * '''TeXWorks 0.5'''
 |-
 | style="border:0.75pt solid #000000;padding:0.176cm;"| slide: '''New Environment'''
-| style="border:0.75pt solid #000000;padding:0.176cm;"| Just like new '''commands,''' we can define new '''environments.'''
+| style="border:0.75pt solid #000000;padding:0.176cm;"| Just like '''new commands,''' we can define '''new environments.'''
@@ Line 55: / Line 49: @@
 |-
 | style="border:0.75pt solid #000000;padding:0.176cm;"| slide: '''New Environment'''
-| style="border:0.75pt solid #000000;padding:0.176cm;"| New environment is a variation of executing few existing commands put together in a sequence.
+| style="border:0.75pt solid #000000;padding:0.176cm;"| '''New environment''' is a variation of executing few existing commands put together in a sequence.
-Ensure that the custom '''environment''' you create, is not an already existing '''LaTeX''' '''environment'''.
+Ensure that the custom '''environment''' you create, is not an already existing '''LaTeX environment'''.
 |-
@@ Line 67: / Line 61: @@
-Here the '''start commands''' are done whenever the environment starts.
+Here the '''start commands''' are executed whenever the environment starts.
-−
-And '''end commands''' are performed whenever the environment ends.
-−
-−
 |-
@@ Line 82: / Line 73: @@
 | style="border:0.75pt solid #000000;padding:0.176cm;"| Pause the tutorial at this point.
-Download and unzip the files provided in the
+Download and unzip the files provided in the '''Code Files''' link below the player.
-−
 Code Files link below the player.
 |-
@@ Line 91: / Line 80: @@
-| style="border:0.75pt solid #000000;padding:0.176cm;"| You will see some LaTeX
+| style="border:0.75pt solid #000000;padding:0.176cm;"| You will see some '''LaTeX
-code given in the file newEnv.tex
+code''' given in the file '''newEnv.tex'''
 |-
@@ Line 124: / Line 113: @@
 \end{document}
-| style="border:0.75pt solid #000000;padding:0.176cm;"| We will copy and paste the first block of code from this file into our newly opened tex file.
+| style="border:0.75pt solid #000000;padding:0.176cm;"| We will copy and paste the first block of code from this file into our newly opened '''tex''' file.
@@ Line 167: / Line 156: @@
 |-
 | style="border:0.75pt solid #000000;padding:0.176cm;"|
-| style="border:0.75pt solid #000000;padding:0.176cm;"| We will now see how to use '''parameters''' in the '''environments'''.
+| style="border:0.75pt solid #000000;padding:0.176cm;"| Now, we will see how to use '''parameters''' in the '''environments'''.
 |-
 | style="border:0.75pt solid #000000;padding:0.176cm;"| slide: '''New environment with parameters'''
-| style="border:0.75pt solid #000000;padding:0.176cm;"| New environment with parameter is defined as
+| style="border:0.75pt solid #000000;padding:0.176cm;"| '''New environment''' with parameter is defined as
 '''<nowiki>\newenvironment{environment name}[parameters]{start commands}{end commands} </nowiki>'''
 |-
@@ Line 219: / Line 205: @@
 \end{document}
-| style="border:0.75pt solid #000000;padding:0.176cm;"| Now, we will copy the next block of code from our downloaded
+| style="border:0.75pt solid #000000;padding:0.176cm;"| We will copy the next block of code from our downloaded code file
-code file and paste it into our new teX file.
@@ Line 246: / Line 233: @@
 |-
 | style="border:0.75pt solid #000000;padding:0.176cm;"| Point to the exact line as per narration
-| style="border:0.75pt solid #000000;padding:0.176cm;"| * We use it as '''“\begin{bluetext}{My text in blue}”'''
+| style="border:0.75pt solid #000000;padding:0.176cm;"|
 * and the text,
 * and then '''“\end{bluetext}”'''
 |-
@@ Line 281: / Line 267: @@
-It’s quite similar to newenvironment.
+It’s quite similar to '''newenvironment'''.
 |-
@@ Line 311: / Line 297: @@
 \end{document}
-| style="border:0.75pt solid #000000;padding:0.176cm;"| We will copy and paste the last block of code from our downloaded file into our newly opened tex file.
+| style="border:0.75pt solid #000000;padding:0.176cm;"| We will copy and paste the last block of code from our downloaded file into our newly opened '''tex''' file.
@@ Line 338: / Line 324: @@
-The text given within '''\begin{itemize}''' and''' \end{itemize}'''
+The text given within '''\begin{itemize}''' and''' \end{itemize}''' should be
-−
 should be
 * converted to large size
 * and centered according to our definition
 |-
@@ Line 363: / Line 345: @@
 * '''renewenvironment'''
-|-
+and creates a list in that color.
-| style="border:0.75pt solid #000000;padding:0.176cm;"| slide: '''Assignment'''
-| style="border:0.75pt solid #000000;padding:0.176cm;"| Create an environment '''itemizecolor, '''which takes the color (red, blue, yellow, green) as input and creates a list in that color.
 |-

@@ Line 281: / Line 281: @@
-It’s quite similar to newcommand.
+It’s quite similar to newenvironment.
 |-
@@ Line 321: / Line 321: @@
-'''\renewcommand{itemize} '''redefines the '''itemize environment.'''
+'''\renewenvironment{itemize} '''redefines the '''itemize environment.'''

@@ Line 371: / Line 371: @@
 |-
 | style="border:0.75pt solid #000000;padding:0.176cm;"| Slide
-| style="border:0.75pt solid #000000;padding:0.176cm;"| Spoken Tutorial Project is funded by the NMEICT, MHRD, Government of India.
+| style="border:0.75pt solid #000000;padding:0.176cm;"| Spoken Tutorial Project is funded by NMEICT, MHRD, Government of India.
-More information on this Mission is available at[http://spoken-tutorial.org/NMEICT-Intro  ][http://spoken-tutorial.org/NMEICT-Intro this][http://spoken-tutorial.org/NMEICT-Intro  ][http://spoken-tutorial.org/NMEICT-Intro link][http://spoken-tutorial.org/NMEICT-Intro .]
+More information on this Mission is available at this link.

@@ Line 77: / Line 77: @@
 | style="border:0.75pt solid #000000;padding:0.176cm;"| Open the '''TeXWorks''' editor
 | style="border:0.75pt solid #000000;padding:0.176cm;"| Let us open the '''TeXWorks''' editor.
 |-
@@ Line 107: / Line 124: @@
 \end{document}
-| style="border:0.75pt solid #000000;padding:0.176cm;"| Type the code as shown here into the '''tex''' file.
+| style="border:0.75pt solid #000000;padding:0.176cm;"| We will copy and paste the first block of code from this file into our newly opened tex file.
 |-
@@ Line 157: / Line 181: @@
 | style="border:0.75pt solid #000000;padding:0.176cm;"| open a new file in TeXWorks
 | style="border:0.75pt solid #000000;padding:0.176cm;"| Let’s open a new file in '''TeXWorks'''.
 |-
@@ Line 191: / Line 219: @@
 \end{document}
-| style="border:0.75pt solid #000000;padding:0.176cm;"| Now, we will copy the code given here into our '''TeX''' file.
+| style="border:0.75pt solid #000000;padding:0.176cm;"| Now, we will copy the next block of code from our downloaded
 |-
@@ Line 252: / Line 285: @@
 |-
 | style="border:0.75pt solid #000000;padding:0.176cm;"| Open a new '''tex''' file.
-| style="border:0.75pt solid #000000;padding:0.176cm;"| Open a new '''tex''' file.
+| style="border:0.75pt solid #000000;padding:0.176cm;"| Once again, we will open a new '''tex''' file.
 |-
@@ Line 278: / Line 311: @@
 \end{document}
-| style="border:0.75pt solid #000000;padding:0.176cm;"| Type the code as given here.
+| style="border:0.75pt solid #000000;padding:0.176cm;"| We will copy and paste the last block of code from our downloaded file into our newly opened tex file.
 |-