Difference between revisions of "Gnuplot/C2/Introduction-to-Gnuplot/English"

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Revision as of 12:54, 13 March 2019

Visual Cue Narration
Slide Number 1
Title Slide  

Introduction to gnuplot

Welcome to the tutorial on Introduction to gnuplot
Slide Number 2
Learning Objectives 
In this tutorial, we will
  • Download and install gnuplot 5.2.5
  • Test the installation and
  • Test terminal capability
Slide Number 3
System and Software Requirement 
To record this tutorial, I am using
* Debian Linux nine point three 
* Gedit text editor 3.22.0 
* Firefox Web browser 52.5.0 and
  • Working internet to download gnuplot
Slide Number 4
Pre-requisites 
To follow this tutorial, learners must be familiar with,
  • Basic computer and internet skills

and

  • Concept of graph and Mathematics knowledge
Slide Number 5
Download link 
Download link for gnuplot is gnuplot dot info
The software is available for all operating systems 
Open web browser First, I will use Firefox web browser to download the latest version of gnuplot
Press the windows key Press the windows key on keyboard
Type firefox and press enter In search form type firefox and press enter
Firebox web browser opens for me
Type gnuplot.info and press enter In address bar, type gnuplot dot info and press enter
Go to gnuplot.info This loads the official web page of gnuplot
I will scroll down 
Hover mouse next to current version and release 5.2.5 The current version of software is 5.2 and release is 5.2.5
This is the version number at the time of recording this tutorial 
| Hover mouse over Release notes, User manual and demonstration gallery Notice links for the latest Release notes, user manual and demonstration gallery
Click on link for Release 5.2.5 When you practice this tutorial, the current version or release may be different

Click on the link for current release.

Next, let's download the required files.
Click on the Parent folder Click on the Parent folder link and scroll down

Notice the different versions and upgrades on the software

Click on 5.2.5 link Click on 5.2.5 link
The latest version release link is seen in green color

Scroll down the refreshed page and notice the various downloadable files.

Hover mouse next to .exe , .html readme files Dot exe files are compiled for windows operating system.
If you are windows user, download the dot exe files 
Double click to install them 
Hover mouse next to ‘’’gnuplot-5.2.5.tar.gz’’’ file We need the tar dot gz file for compiling program in Linux system
Click on gnuplot-5.2. 5 .tar.gz Click on gnuplot hyphen 5 dot 2 dot 5 dot tar dot gz
Page refreshes, and after a short pause, a save dialogue box opens
Choose save file, click ok Choose save file option.
Click ok to download the tar, zipped file 
Allow file download to complete

Let's extract the required files and install gnuplot using terminal commands

The downloaded file is in my Downloads folder
Press Ctrl alt t Open a terminal by pressing Control Alt T keys together

A terminal opens

Type cd ~/Downloads and press enter In terminal prompt, type cd space tilda backslash Downloads and enter
>tar -xvf gnuplot-5.2.5.tar.gz and enter To extract files from the tarball, type the command,

tar space hyphen xvf space gnuplot hyphen five dot two dot five dot tar dot gz’’’

Press enter to execute the command 
Hover mouse next to newly created directory gnuplot-5.2.5 A new directory gnuplot hyphen 5 dot 2 dot 5 is created in Downloads folder
Ctrl shift k The files are extracted to the new directory

I will clear the screen and bring prompt to top of the terminal for clarity. Press control shift k on keypad

cd gnuplot-5.2.5 and enter Go to the newly created directory

cd space gnuplot hyphen 5 dot 2 dot 5 and enter

sudo apt install -y libwxgtk3.0-dev qtbase5-dev libqt5svg5-dev For support of interactive qt terminal in Debian, type the 2 following commands.

Please enter sudo password if prompted.

Clear screen , control+shift+k Allow the process to be completed.

I will clear the screen for clarity in video.

sudo TERMLIBS="-lX11" ./configure --with-qt=qt5 --with-wx-single-threaded Again enter command as seen in the video

It is also mentioned in the installation sheet.

Clear screen, control+shift+k Allow the process to be completed.

I will again clear the screen for clarity in video.


gedit RELEASE_NOTES Type gedit space RELEASE underscore NOTES and enter
Open file Release notes, scroll down The file opens in a text editor.
Let's scroll down to the installation section 
Hover mouse next to install section Installation has three parts, build, test and install as seen from the file.
Commands required for installation are mentioned here
Close gedit, click on 'x' sign To compile and install we will use terminal commands.
So, let's close gedit. Click on the 'x' sign. 
Go to terminal Go back to the terminal
Type sudo bash ./configure Type, sudo space dot backslash configure to build
Press enter after each command to execute it.  
If prompted for password, enter sudo password.

Allow the process to complete Have system administrator install program, if you do not have permission

Examine the output of script on the screen.
If there are difficulties, have system administrator address them. 
Ctrl + shift + k I will also clear the screen for clarity in the video
Type sudo make
Ctrl + shift + k 
Type sudo space make

From now on, please press enter to execute command I will not mention it separately. Press control shift k on keypad

Type sudo make check and enter Type sudo space make space check to test the build

A graphics window appears and disappears.

Clear the screen with control shift k on keypad
Type sudo make install and enter Enter command, sudo space make space install, to install program
The program gets installed on the computer.

Wait for the installation to complete. Watch messages generated on the screen for error messages.

If you get any, take required actions or contact the system administrator.
I do not get any error messages. 
Press control shift k

Type gnuplot Hover mouse next to gnuplot prompt

Next, I will open gnuplot and check if installation is okay
Press control shift k on keypad 
Enter command gnuplot to get gnuplot prompt 
Hover mouse next to qt
>test 
This shows terminal type as qt
Type test and enter 
This tests, terminal capabilities.
A graphic gnuplot window zero opens 
Hover mouse next to menu bar There is a menu bar on top.
Hover mouse next to square icon We can export, copy or print from the first square icon
Hover mouse next to replot and grid icon The Green circular arrow is for replot.
Clickable icon to draw grids is seen next to it. 
Hover mouse next to zoom options Previous zoom options are available too
Sometimes the menu buttons do not work.  
Please do not worry about it. 
Click on settings icon Click open the setting option.
It is on the right side. 
If you change settings via menu they are retained in next session and not reset. 
Click on select background color. Let's change background color via menu.

Click on select background color.

Click to select the yellow color. A select color dialogue box opens.
Click to select the yellow color. 
Click ok
Click ok again 
Click ok to close the color selection box.
Click ok again for terminal configuration. 
Now background color change to yellow. 
Change back to white color.
Click on settings icon and then on select background color. 
This change will be retained in subsequent sessions of gnuplot.
So let's change it back to white color. 

Click on settings icon and then on select background color.

Select white background, click ok and ok. Select white background, click ok

Click ok again to revert the change.

Click on the x sign in the graphic window Close the graphic window by clicking on the 'x' sign on the top
Type ‘’’q’’’ and enter Press ‘’’q’’’ to exit gnuplot
Slide Number 6
Summary 
Now let's summarize.

In this tutorial, we

  • Downloaded and Installed gnuplot and
  • Tested terminal capability for the software
Slide Number 7
Assignment 
For assignment activity, please do the following
  • Install gnuplot on your computer and
  • Familiarize with the software
Slide Number 8
Spoken Tutorial Project 
This video summarizes the Spoken Tutorial Project
Please download and watch it. 
Slide Number 9
Spoken Tutorial workshops 
The Spoken Tutorial Project Team
  • conducts workshops and
  • gives certificates.

For more details, please write to us.

Slide Number 10
Forum for specific questions: 
Please post your timed queries in the forum.
Slide Number 11

Acknowledgement

Spoken Tutorial Project is funded by NMEICT, MHRD, Government of India.
More information on this mission is available at this link. 
This is Rani from IIT, Bombay. Thank you for joining.

Contributors and Content Editors

Madhurig, Nancyvarkey, Rani.parvathy, Ranipv076