Difference between revisions of "Gnuplot/C2/Example-scripts-and-demo-folder/English"

From Script | Spoken-Tutorial
Jump to: navigation, search
(Created page with "'''[Title of script''': {{anchor|DdeLink25781167434169}} '''Example''' '''Scripts and demo folder''' '''Author: '''Rani Parvathy '''Keywords:''' gnuplot, video tutorial, spo...")
 
 
(13 intermediate revisions by 3 users not shown)
Line 1: Line 1:
−
'''[Title of script''': {{anchor|DdeLink25781167434169}} '''Example''' '''Scripts and demo folder'''
+
{|border=1
 +
||'''Visual Cue'''
 +
|| '''Narration'''
  
−
'''Author: '''Rani Parvathy
+
|-
−
 
+
|| '''Slide Number 1'''
−
'''Keywords:''' gnuplot, video tutorial, spoken tutorial, installation, set term, demo folder, example files, styles, scripts, script structure.
+
'''Title Slide '''
 +
|| Welcome to the tutorial on '''Example Scripts and Demo Folder'''.
  
 +
|-
 +
|| '''Slide Number 2'''
 +
'''Learning Objectives'''
 +
|| In this tutorial, we will learn,
 +
* About''' gnuplot terminal '''and the''' graphics''' interface
 +
* About the '''demo''' folder of '''gnuplot'''
 +
* About '''example script''' files and
 +
* To load the script file to generate a graph
  
 +
|-
 +
|| '''Slide Number 3'''
 +
'''System and Software Requirement'''
 +
|| To record this tutorial, I am using
 +
* '''Debian Linux''' 9.3
 +
* '''gnuplot''' 5.2.6
 +
* '''gedit text editor''' 3.22
 +
* '''Firefox web browser 52.5'''
 +
and
 +
* Working Internet connection to access online '''script''' files
  
−
{| style="border-spacing:0;width:6.8528in;"
 
 
|-
 
|-
−
! align=center style="background-color:#993366;border-top:1pt solid #000000;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | Visual Cue
+
|| '''Slide Number 4'''
−
! align=center style="background-color:#993366;border:1pt solid #000000;padding:0.0382in;" | Narration
+
'''Pre-requisites'''
−
|-
+
|| To follow this tutorial,
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 1'''</div>
+
learner must be familiar with high school level Mathematics.
  
−
<div style="color:#000000;">'''Title Slide '''</div><div style="color:#000000;">'''Example Scripts and demo folder'''</div>
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Welcome to the tutorial on '''Example Scripts and demo folder'''
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 2'''</div>
+
|| '''Slide Number 5'''
 +
'''Extract gnuplot-5.2.6 folder'''
 +
|| At the time of installation, we downloaded and extracted the '''gnuplot''' folder.
  
−
<div style="color:#000000;">'''Learning Objectives'''</div>
+
Generally, the folder '''gnuplot-5.2.6''' would be in the '''Downloads''' folder.
  
 +
|-
 +
|| '''Slide Number 6'''
 +
'''Extract gnuplot-5.2.6 folder'''
 +
|| If you had saved it elsewhere, then use that location for the next steps.
  
 +
|-
 +
|| '''Slide Number 7'''
 +
'''Missing gnuplot folder'''
 +
|| What should you do in case the '''gnuplot''' folder is missing on your machine?
  
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">In this tutorial, we will </div>
+
You have to follow the steps explained in the prerequisite tutorials in this series.
  
 +
|-
 +
|| Open '''file manager''', go to '''Downloads, gnuplot-5.2.6''' and '''demo''' folder
 +
|| Open file manager.
  
−
* <div style="color:#000000;">Familiarize with '''gnuplot'''</div>
+
In my machine, this icon is located on the menu bar at the bottom.
−
* <div style="color:#000000;">Familiarize with '''demo''' folder of '''gnuplot''' </div><br/><div style="color:#000000;">and</div>
+
−
* <div style="color:#000000;">Familiarize with '''scripts''', example files and graphics interface</div>
+
  
 +
Click on the  '''File Manager '''icon.
 +
 +
Navigate to '''Downloads''', '''gnuplot-5.2.6''' and then to '''demo''' folder.
  
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 3'''</div>
+
|| Scroll/highlight
 +
|| Notice the various files in the folder.
  
−
<div style="color:#000000;">'''System and Software Requirement'''</div>
+
|-
 +
|| Press '''Ctrl+Alt+T''' keys
 +
|| We will now open a '''terminal''' by pressing '''Ctrl''', '''Alt''' and''' T''' keys simultaneously.
  
 +
|-
 +
|| '''cd Downloads/gnuplot-5.2.6/demo'''
 +
|| Type '''cd space Downloads slash gnuplot-5.2.6 slash demo ''' and press '''Enter.'''
  
 +
We are in the '''demo directory''', which contains the '''example''' files.
  
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">To record this tutorial, I am using</div>
+
|-
 +
|| Type '''ls '''and press '''enter'''
 +
|| Type '''ls''' to list the files in the '''demo directory'''.
  
 +
|-
 +
|| Hover mouse over the .dem extension files
 +
|| Notice there are several files with '''dot dem''' extension.
  
−
<div style="color:#000000;">'''Debian Linux'''</div>
+
|-
 +
|| Scroll up
 +
|| They are simple text '''scripts''', which are used to generate plots.
  
 +
|-
 +
|| '''Ctrl+Shift+k''' on '''Debian (rdp)'''
 +
"Ctrl+L" in '''Ubuntu'''
 +
|| Let me clear the screen.
  
−
<div style="color:#000000;">'''gedit''' 3.22.0</div>
+
|-
 +
|| Cursor on the interface.
 +
|| Now let's look at the structure of an '''example script''' using a '''text editor.'''
  
 +
I will use '''gedit text editor. '''You can use any other '''editor''' of your choice.
  
−
<div style="color:#000000;">and</div>
+
|-
 +
|| Type '''gedit simple.dem''' and press '''enter'''
 +
|| Type '''gedit space simple dot dem''' and press '''Enter'''.
  
−
 
+
'''Windows''' users may open the file in '''Notepad'''.
−
<div style="color:#000000;">'''Firefox''' web browser 52.5.0</div>
+
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 4'''</div>
+
|| Cursor in the text editor.
 +
|| The '''script''' file opens in the '''text editor '''window.
  
−
<div style="color:#000000;">'''Samson Microphone'''</div>
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">To record audio, I am using '''Samson''' '''USB''' portable microphone was used.</div>
 
−
 
−
 
−
<div style="color:#000000;">The model number '''SAGOMIC'''</div>
 
−
 
−
 
−
<div style="color:#000000;">I bought it from '''amazon''' website, for about rupees four thousand</div>
 
−
 
−
 
−
<div style="color:#000000;">It may be available in other websites also.</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 5'''</div>
+
|| Hover mouse near required files in header.  
 +
Hover mouse next to the three functions in plot command.
 +
|| Details about this plot are mentioned in the '''header'''.
 +
The required data files are also mentioned.
  
−
<div style="color:#000000;">'''Pre-requisites'''</div>
+
This '''script''' plots three '''functions''' together.
  
−
 
−
<div style="color:#000000;"></div>
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">To follow this tutorial, learner's must be familiar with, </div>
 
−
 
−
 
−
<div style="color:#000000;">Basic computer and internet skills</div>
 
−
 
−
 
−
<div style="color:#000000;">And have Concept of graph, Mathematics knowledge</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 6'''</div>
+
|| Hover mouse next to left and right key in script
 +
|| Scroll down to view the entire file.
  
−
<div style="color:#000000;">'''Pre-requisites'''</div>
+
This is the structure of a '''script file.'''
  
−
 
−
<div style="color:#000000;"></div>
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <span style="background-color:transparent;color:#000000;">Please locate this tutorial on our web page, </span><span style="background-color:transparent;color:#000000;">'''spoken hyphen tutorial dot org'''</span><span style="background-color:transparent;color:#000000;"> </span>
 
−
 
−
 
−
<div style="color:#000000;">Prerequisite '''spoken''' '''tutorials''', if any, will be mentioned in this page </div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 7'''</div>
+
|| Close '''gedit'''
 +
|| Now, close the '''text editor''' window.
  
−
<div style="color:#000000;">'''Download link'''</div>
 
−
 
−
 
−
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Download link for '''gnuplot''' example files is gnuplot dot info</div>
 
−
 
−
 
−
<div style="color:#000000;">Example Script files are downloaded in the tar ball </div>
 
−
 
−
 
−
<div style="color:#000000;">They get extracted to the '''demo''' folder</div>
 
−
|-
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Press ctrl, alt t keys together.
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | First, open a '''terminal''', by pressing '''control, alt, t''' keys together on keyboard.
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |  
+
|| Go to terminal.
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | A '''terminal''' opens.  
+
|| Go to the '''terminal'''.
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |  
+
|| Cursor on the terminal
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | I have downloaded and extracted '''gnuplot''' files.
+
|| Next, let's run this '''script''' in '''gnuplot''' and generate the plot.
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">The example files are in the demo folder of the extracted tar ball.</div>
 
  
 +
||Type '''>gnuplot'''
 +
Press enter
 +
|| In the '''terminal''', type '''gnuplot''' and press '''Enter'''.
  
−
<div style="color:#000000;">Change directory to the '''demo''' directory of the extracted tar ball. </div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''cd ~/Downloads/gnuplot-5.2.5/demo'''
+
|| Hover mouse near gnuplot prompt
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Enter command, as seen on the '''screen''' to change the directory.</div>
+
|| The '''prompt''' changes to '''gnuplot prompt.'''
 +
To execute a '''command''' in the '''terminal''', press '''Enter''' after typing it.
 +
I will not mention this separately.
  
 +
|-
 +
|| '''Ctrl shift k''' on rdp machine
 +
|| I will clear the '''terminal'''.
  
−
<div style="color:#000000;">Learners must change directory to the demo folder in their computer.</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
|| '''>load 'simple.dem' '''
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Now working directory change, to demo folder.
+
|| To load the '''script''', type '''load space''' within single quotes '''simple dot dem'''
 +
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |  
+
|| Click on '''graphics''' window.
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | There is a chance your computer does not have the demo files.
+
|| A graphical window opens.
 +
Click on this graphics window to activate it.
 +
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |  
+
|| Hover mouse next to s'''in(x), atan(x) and cos(atan(x)) '''
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">If so, pause the video and download them from gnuplot website.</div>
+
|| Three '''functions''', '''sin x''', '''atan x''' and ''' cos atan x''' are plotted.
  
−
 
−
<div style="color:#000000;">Extract the demo directory from the downloaded tar ball file.</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''>ls'''
+
|| Scroll further in axis limits
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Enter command ls to list the files.
+
|| Using arrow keys, scroll, left, right, up and down within the plot.  
−
|-
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Notice, several files with '''dot''' '''dem''' extension.
+
−
|-
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | They are simple text scripts, which are used to generate plots
+
−
|-
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''Ctrl - l'''
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | I will also clear the screen for clarity in video with control l command.
+
−
|-
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | Demonstration files are short scripts that plot graphs
+
  
 +
Doing this allows us to scroll further in the axis limits.
  
−
<div style="color:#000000;">Let's look at their structure now.</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Type '''gedit simple.dem''' and press enter
+
|| Hover mouse next to “'''press enter to continue'''” and press enter
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Type '''gedit simple dot dem''' and press enter
+
|| '''Simple dot dem''' can plot many graphs.
 +
Go through the script file again, at this stage.
 +
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |  
+
|| Go to '''terminal'''
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">The script file opens in '''gedit'''</div>
+
|| To see the next plot, do the following.
 +
* Go to the '''terminal''' by clicking on it.
 +
* We can read a message '''Hit return to continue'''.
  
 +
|-
 +
|| Hit '''return''' and click on Graphics window.
 +
|| Press the '''Enter '''key to continue.
 +
From now on, you have to do this every time to get the next plot.
  
−
<div style="color:#000000;">Windows users may open the file in '''notepad,''' to study the structure of script</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Point to header details.
+
|| Show the change in graphics window
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Details about this plot is mentioned in the header.</div>
+
|| Immediately, the next '''script''' and it's '''function''' gets plotted.
  
 +
|-
 +
|| Press '''enter''' in '''terminal'''
 +
|| Press '''Enter''' again, as shown in the '''prompt''' to plot the other '''functions''' from the '''script'''.
  
−
<div style="color:#000000;">The required data files is mentioned</div>
+
|-
 +
|| Show graphics window.
 +
|| Likewise, you can scroll through some more '''example '''files in the '''demo directory'''.
  
 +
|-
 +
|| Press''' Ctrl + C'''
 +
|| Press '''Ctrl''' and '''C''' keys in the '''terminal''', to come back to the '''gnuplot prompt.'''
  
−
<div style="color:#000000;">Details on this plot is also mentioned in the header.</div>
+
|-
 +
|| Close graphical window
 +
|| Now I will close this graphical window.
  
 +
|-
 +
|| Cursor on the terminal.
 +
|| Now, I will open a '''3D plot example''' file next.
  
−
<div style="color:#000000;">This script plots three functions together.</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Hover mouse next to left and right key in script
+
|| '''load ‘hidden2.dem’''' and '''enter'''
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Scroll down and notice that left and right arrow keys are also assigned
+
|| Load the '''hidden2 dot dem''' file on the '''terminal'''.
 +
Use the '''command''' as shown before to load the '''script''' file.
 +
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Close '''gedit'''
+
|| Show the graph
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Now we have seen a script structure. </div>
+
|| A graphics window opens.  
  
 +
|-
 +
|| Go terminal press enter, view graph , repeat for 3 graphs
 +
|| Go through the 3 examples of the '''3D plots''' this '''script''' can generate.
  
−
<div style="color:#000000;">Close '''gedit''' by clicking on ''''x'''' sign</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |  
+
|| Close the '''graphics terminal'''.
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Next, let's run them in gnuplot and generate the plot.
+
|| Then close the '''graphics '''window.
 +
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">>qt</div>
+
|| Cursor on the terminal.
 +
|| I encourage you to try other '''example''' files in this folder.
  
−
<div style="color:#000000;">Press enter</div>
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Set terminal to '''qt'''.
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''>gnuplot'''</div>
+
|| Press '''q'''
 +
|| Type '''q''' to exit '''gnuplot.'''
  
−
<div style="color:#000000;">Press enter</div>
+
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">In terminal prompt, type '''gnuplot''' and press enter to open gnuplot.</div>
+
|| Open web browser.
 +
|| Many '''example scripts''' are available online for '''gnuplot''', as well.
  
−
 
−
<div style="color:#000000;">The prompt changes to gnuplot prompt.</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
|| Open web browser.
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">To execute a command in terminal, press enter.</div>
+
|| I will show how to access the '''example''' files online in the next step.
  
 +
I will open a web browser.
  
−
<div style="color:#000000;">I will not mention it separately.</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''Ctrl + l'''
+
|| Go to, '''gnuplot.sourceforge.net/demo_5.2'''
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">I will clear the screen and bring prompt to top of the terminal for clarity. </div>
+
|| In the '''web browser''', go to the '''URL''' as shown here.
  
 +
|-
 +
|| Scroll down and show
 +
|| Notice that there are several '''examples''' available for users to learn from.
  
−
<div style="color:#000000;">Press '''control l''' on keyboard</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''>load space''' ''''simple.dem''''
+
|| Hover mouse over the routines
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">To load a script, enter command as seen. </div>
+
|| '''2D''' and '''3D''' graphs, '''histograms''' and '''curve fitting''' are few capabilities of the software.
  
 +
|-
 +
|| Click on '''Simple functions'''
 +
|| Under''' Basic 2D plot styles''', click on the '''simple functions''' link.
  
−
<div style="color:#000000;">We will run '''simple dot dem''' script.</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Hover mouse next to '''Sin(x), atan(x) and cos(atan(x)) '''
+
|| Hover mouse over graph, pan right
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">This runs the script. A graphical window opens.</div>
+
|| The left side shows the graphical plots.  
  
 +
The simple '''scripts''' on the right side generate the plots.
  
−
<div style="color:#000000;">Three functions, s'''in x, atan x and cos atan x''' are plotted.</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
|| Scroll down left pan.
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | The assigned arrow keys allow the user to scroll further in the axis limits.
+
|| Scroll down the page and notice the various '''styles''' seen in the plots on the left side.  
 +
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Hover mouse next to “'''press enter to continue'''” and press enter
+
|| Hover mouse over graph
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Now, follow prompt and '''press enter to continue''' in terminal
+
|| Notice the variations in symbols, color, legends, line style and filling area.
 +
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Show the change in graphics window
+
|| Cursor on the page.
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Then next script and it's function gets plotted.
+
|| Learners may use this page to learn the various '''commands''' and '''options.'''
−
|-
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Press enter again, as shown in prompt to plot the functions from script.
+
−
|-
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | You may pause the video and scroll over more demonstration files.
+
−
|-
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | I will now close the graphical window
+
−
|-
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">We can also enter the commands sequentially in the terminal to generate plot.</div>
+
  
−
 
−
<div style="color:#000000;">Press '''control c''' to come back to gnuplot prompt.</div>
 
−
|-
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Press '''q'''
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Enter command, '''q''' or '''control c''' to exit gnuplot
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |  
+
|| '''Slide Number 8'''
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Many example scripts are available online for '''gnuplot'''</div>
+
'''Help Forum'''
 +
|| If we need help at any time, we can go to this URL
  
 +
https://sourceforge.net/p/gnuplot/discussion/
  
−
<div style="color:#000000;">First open a web browser.</div>
 
−
|-
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | <span style="background-color:transparent;">I will</span><span style="background-color:transparent;"> </span><span style="background-color:transparent;">show how to access </span><span style="background-color:transparent;">the examples files</span><span style="background-color:transparent;"> </span><span style="background-color:transparent;">online</span><span style="background-color:transparent;"> in the next step.</span>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">Open web browser. </div>
+
|| '''Browser >> '''https://sourceforge.net/p/gnuplot/discussion/
 +
Point to the '''Register''' link at the top left.
 +
|| Here we can see previously asked questions and the corresponding replies.
  
 +
We can also post our questions and doubts after we register.
  
−
<div style="color:#000000;">Go to, '''gnuplot.sourceforge.net/demo'''</div>
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">I will open firefox web browser. </div>
 
−
 
−
 
−
<div style="color:#000000;">Go to, web address '''gnuplot dot sourceforge dot net backslash demo'''</div>
 
−
|-
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Notice the several demos and scripts for users to learn from.
 
−
|-
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | 2D and 3D graphs, histograms and curve fitting are few capabilities software.
 
−
|-
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Click on '''Simple functions'''
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Click on the '''Simple functions''' link
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |  
+
|| '''Slide Number 9'''
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Left side shows graphical plots. </div>
+
'''Summary'''
 +
|| Now let's summarize.  
 +
In this tutorial, we learned,
 +
* About '''gnuplot terminal''' and the '''graphics''' interface
 +
* About the '''demo''' folder of '''gnuplot'''
 +
* About '''example script '''files and
 +
* Loaded the script file to generate a graph
  
  
−
<div style="color:#000000;">The simple scripts on right side, generate the plots. </div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |  
+
|| '''Slide Number 10'''
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Scroll down the page and notice the various styles in plots on the left side.
+
'''Assignment'''
−
|-
+
|| For assignment activity, please do the following:
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
* Open some more '''example''' files of your choice in '''gnuplot'''.
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Notice the variations in symbols, color, legends, line style and filling area.
+
* Observe the graphic output and the variations in plot styles.
−
|-
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Learners may use this page to learn the various commands and options
+
−
|-
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 8'''</div>
+
−
 
+
−
<div style="color:#000000;">'''Summary'''</div>
+
−
 
+
−
 
+
−
<div style="color:#000000;"></div>
+
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | Now let's summarize.
+
−
 
+
−
 
+
−
In this tutorial, we
+
−
 
+
−
 
+
−
* <div style="color:#000000;">Familiarized with gnuplot</div>
+
−
* <div style="color:#000000;"><span style="background-color:transparent;">Familiarize</span><span style="background-color:transparent;">d</span><span style="background-color:transparent;"> with </span><span style="background-color:transparent;">examples files and</span><span style="background-color:transparent;"> demo </span><span style="background-color:transparent;">folder</span></div>
+
−
* <div style="color:#000000;"><span style="background-color:transparent;">Familiarize with </span><span style="background-color:transparent;">script</span><span style="background-color:transparent;"> files and graphics interface</span></div>
+
−
 
+
  
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 9'''</div>
+
|| '''Slide Number 11'''
 +
'''Spoken Tutorial Project'''
 +
|| This video summarises the Spoken Tutorial Project
 +
Please download and watch it.
  
−
<div style="color:#000000;">'''Assignment'''</div>
 
−
 
−
 
−
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | For assignment activity, please do the following
 
−
 
−
 
−
* <div style="color:#000000;">Familiarize with more example files in gnuplot</div>
 
−
* <div style="color:#000000;">Familiarize with many types of plots, that gnuplot can generate</div>
 
−
* <div style="color:#000000;">Familiarize with help in user forum as seen in the link</div>
 
−
 
−
 
−
 
−
<div style="color:#000000;">[http://gnuplot.10905.n7.nabble.com/Gnuplot-User-f3.html http://gnuplot.10905.n7.nabble.com/Gnuplot-User-f3.html]</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 10'''</div>
+
|| '''Slide Number 12'''
 +
'''Spoken Tutorial workshops'''
 +
|| The Spoken Tutorial Project Team conducts workshops and gives certificates.
 +
For more details, please write to us.
  
−
<div style="color:#000000;">'''Spoken Tutorial Project'''</div>
 
−
 
−
 
−
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <span style="color:#000000;">This video summarises the</span><span style="color:#000000;"> Spoken Tutorial Project </span>
 
−
 
−
 
−
<div style="color:#000000;">If you do not have good bandwidth, you may download and watch it.</div>
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 11'''</div>
+
|| '''Slide Number 13'''
 +
'''Forum for specific questions:'''
 +
|| Post your timed queries in the forum.
  
−
<div style="color:#000000;">'''Spoken Tutorial workshops'''</div>
 
−
 
−
 
−
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | The Spoken Tutorial Project Team * conducts workshops using spoken tutorials and
 
−
* gives certificates on passing online tests.
 
−
 
−
 
−
 
−
For more details, please write to us.
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 12'''</div>
+
|| '''Slide Number 14'''
 +
'''Acknowledgement'''
 +
|| Spoken Tutorial Project is funded by NMEICT, MHRD, Government of India.
  
−
<div style="color:#000000;">'''Forum for specific questions:'''</div>
 
−
 
−
 
−
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Post your timed queries in the forum.
 
 
|-
 
|-
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 13'''</div>
+
||  
 +
|| This is Rani from IIT Bombay. Thank you for joining.
  
−
<span style="color:#000000;">'''Acknowledgemen'''</span><span style="color:#000000;">t</span>
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Spoken Tutorial Project is funded by NMEICT, MHRD, Government of India.</div>
 
−
 
−
 
−
 
−
|-
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
 
−
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | This is Rani from IIT, Bombay. Thank you for joining.
 
 
|-
 
|-
 
|}
 
|}
−
<div style="color:#000000;margin-left:0in;margin-right:0in;"></div>
 

Latest revision as of 15:47, 20 September 2019

Visual Cue Narration
Slide Number 1

Title Slide

Welcome to the tutorial on Example Scripts and Demo Folder.
Slide Number 2

Learning Objectives

In this tutorial, we will learn,
  • About gnuplot terminal and the graphics interface
  • About the demo folder of gnuplot
  • About example script files and
  • To load the script file to generate a graph
Slide Number 3

System and Software Requirement

To record this tutorial, I am using
  • Debian Linux 9.3
  • gnuplot 5.2.6
  • gedit text editor 3.22
  • Firefox web browser 52.5

and

  • Working Internet connection to access online script files
Slide Number 4

Pre-requisites

To follow this tutorial,

learner must be familiar with high school level Mathematics.

Slide Number 5

Extract gnuplot-5.2.6 folder

At the time of installation, we downloaded and extracted the gnuplot folder.

Generally, the folder gnuplot-5.2.6 would be in the Downloads folder.

Slide Number 6

Extract gnuplot-5.2.6 folder

If you had saved it elsewhere, then use that location for the next steps.
Slide Number 7

Missing gnuplot folder

What should you do in case the gnuplot folder is missing on your machine?

You have to follow the steps explained in the prerequisite tutorials in this series.

Open file manager, go to Downloads, gnuplot-5.2.6 and demo folder Open file manager.

In my machine, this icon is located on the menu bar at the bottom.

Click on the File Manager icon.

Navigate to Downloads, gnuplot-5.2.6 and then to demo folder.

Scroll/highlight Notice the various files in the folder.
Press Ctrl+Alt+T keys We will now open a terminal by pressing Ctrl, Alt and T keys simultaneously.
cd Downloads/gnuplot-5.2.6/demo Type cd space Downloads slash gnuplot-5.2.6 slash demo and press Enter.

We are in the demo directory, which contains the example files.

Type ls and press enter Type ls to list the files in the demo directory.
Hover mouse over the .dem extension files Notice there are several files with dot dem extension.
Scroll up They are simple text scripts, which are used to generate plots.
Ctrl+Shift+k on Debian (rdp)

"Ctrl+L" in Ubuntu

Let me clear the screen.
Cursor on the interface. Now let's look at the structure of an example script using a text editor.

I will use gedit text editor. You can use any other editor of your choice.

Type gedit simple.dem and press enter Type gedit space simple dot dem and press Enter.

Windows users may open the file in Notepad.

Cursor in the text editor. The script file opens in the text editor window.
Hover mouse near required files in header.

Hover mouse next to the three functions in plot command.

Details about this plot are mentioned in the header.

The required data files are also mentioned.

This script plots three functions together.

Hover mouse next to left and right key in script Scroll down to view the entire file.

This is the structure of a script file.

Close gedit Now, close the text editor window.
Go to terminal. Go to the terminal.
Cursor on the terminal Next, let's run this script in gnuplot and generate the plot.
Type >gnuplot

Press enter

In the terminal, type gnuplot and press Enter.
Hover mouse near gnuplot prompt The prompt changes to gnuplot prompt.

To execute a command in the terminal, press Enter after typing it. I will not mention this separately.

Ctrl shift k on rdp machine I will clear the terminal.
>load 'simple.dem' To load the script, type load space within single quotes simple dot dem
Click on graphics window. A graphical window opens.

Click on this graphics window to activate it.

Hover mouse next to sin(x), atan(x) and cos(atan(x)) Three functions, sin x, atan x and cos atan x are plotted.
Scroll further in axis limits Using arrow keys, scroll, left, right, up and down within the plot.

Doing this allows us to scroll further in the axis limits.

Hover mouse next to “press enter to continue” and press enter Simple dot dem can plot many graphs.

Go through the script file again, at this stage.

Go to terminal To see the next plot, do the following.
  • Go to the terminal by clicking on it.
  • We can read a message Hit return to continue.
Hit return and click on Graphics window. Press the Enter key to continue.

From now on, you have to do this every time to get the next plot.

Show the change in graphics window Immediately, the next script and it's function gets plotted.
Press enter in terminal Press Enter again, as shown in the prompt to plot the other functions from the script.
Show graphics window. Likewise, you can scroll through some more example files in the demo directory.
Press Ctrl + C Press Ctrl and C keys in the terminal, to come back to the gnuplot prompt.
Close graphical window Now I will close this graphical window.
Cursor on the terminal. Now, I will open a 3D plot example file next.
load ‘hidden2.dem’ and enter Load the hidden2 dot dem file on the terminal.

Use the command as shown before to load the script file.

Show the graph A graphics window opens.
Go terminal press enter, view graph , repeat for 3 graphs Go through the 3 examples of the 3D plots this script can generate.
Close the graphics terminal. Then close the graphics window.
Cursor on the terminal. I encourage you to try other example files in this folder.
Press q Type q to exit gnuplot.
Open web browser. Many example scripts are available online for gnuplot, as well.
Open web browser. I will show how to access the example files online in the next step.

I will open a web browser.

Go to, gnuplot.sourceforge.net/demo_5.2 In the web browser, go to the URL as shown here.
Scroll down and show Notice that there are several examples available for users to learn from.
Hover mouse over the routines 2D and 3D graphs, histograms and curve fitting are few capabilities of the software.
Click on Simple functions Under Basic 2D plot styles, click on the simple functions link.
Hover mouse over graph, pan right The left side shows the graphical plots.

The simple scripts on the right side generate the plots.

Scroll down left pan. Scroll down the page and notice the various styles seen in the plots on the left side.
Hover mouse over graph Notice the variations in symbols, color, legends, line style and filling area.
Cursor on the page. Learners may use this page to learn the various commands and options.
Slide Number 8

Help Forum

If we need help at any time, we can go to this URL

https://sourceforge.net/p/gnuplot/discussion/

Browser >> https://sourceforge.net/p/gnuplot/discussion/

Point to the Register link at the top left.

Here we can see previously asked questions and the corresponding replies.

We can also post our questions and doubts after we register.

Slide Number 9

Summary

Now let's summarize.

In this tutorial, we learned,

  • About gnuplot terminal and the graphics interface
  • About the demo folder of gnuplot
  • About example script files and
  • Loaded the script file to generate a graph


Slide Number 10

Assignment

For assignment activity, please do the following:
  • Open some more example files of your choice in gnuplot.
  • Observe the graphic output and the variations in plot styles.
Slide Number 11

Spoken Tutorial Project

This video summarises the Spoken Tutorial Project

Please download and watch it.

Slide Number 12

Spoken Tutorial workshops

The Spoken Tutorial Project Team conducts workshops and gives certificates.

For more details, please write to us.

Slide Number 13

Forum for specific questions:

Post your timed queries in the forum.
Slide Number 14

Acknowledgement

Spoken Tutorial Project is funded by NMEICT, MHRD, Government of India.
This is Rani from IIT Bombay. Thank you for joining.

Contributors and Content Editors

Madhurig, Ranipv076, Snehalathak

Retrieved from "https://script.spoken-tutorial.org/index.php?title=Gnuplot/C2/Example-scripts-and-demo-folder/English&oldid=49115"