View source for LAMMPS-Molecular-Dynamics-Simulator/C2/Visualizing-the-LAMMPS-Output-using-OVITO/English



'''Title of script''': Visualizing the LAMMPS Output using OVITO

'''Author: '''Dr.Snehalatha Kaliappan, Prasad Baddi

'''Keywords''': LAMMPS, Simulation, installation of OVITO, download OVIT, visualize lammps output , video tutorial

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|| Visual Cue
|| Narration
|-
|| '''Slide Number 1'''

'''Title Slide'''
|| Welcome to this tutorial on '''Visualizing the LAMMPS Output using OVITO'''
|-
|| '''Slide Number 2'''

'''Learning Objectives'''
|| In this tutorial, we will learn to,

Download and install '''OVITO''' open visualization tool.

Visualize the LAMMPS output file in '''OVITO'''.
|-
|| '''Slide Number 3'''

'''System Requirement'''
|| To record this tutorial, I am using,

'''Ubuntu Linux '''OS version 22.04

'''OVITO basic''' version 3.12.4 
|-
|| '''Slide number 4'''

'''Code file'''
|| The following input file is required to practice this tutorial:

'''LJoutput1.atom'''

This file is provided in the '''Code files''' link of this tutorial page.
|-
|| '''Slide number 5'''

About OVITO

https://www.ovito.org/
|| '''OVITO''' - Open Visualization Tool.

It is used for Scientific data visualization and analysis solution for particle-based simulations.

'''OVITO Basic''' is available free of charge under an open source license.
|-
|| Type ovito.org and press enter.
|| Open any web browser and type ovito.org and press Enter.
|-
|| click on the Download button at the center of the page.
|| The web page opens.

Click on the '''Download''' button at the center of the page.
|-
|| Cursor on the various buttons.

click on Linux button.
|| You will see buttons for downloading installer files for various OS.

User can choose the appropriate button depending on the OS being used.

I will click on '''Linux''' button. 
|-
|| Cursor on the options.

Click on OVITO basic button.
|| You will see two options, '''OVITO Basic''' and '''OVITOPro'''.

Click on''' OVITO basic''' button. 

The installer files download to you '''Downloads''' directory.
|-
|| Click on the '''Installation Instruction''' link.

Cursor on the 
|| Click on the '''Installations Instruction''' link given in the middle of the page.

'''Installation''' page opens with detailed information on how to install OVITO on various OS.
|-
|| Open the '''Downloads''' folder and locate the compressed &nbsp;<u>'''ovito-basic-3.12.4-x86_64.tar.xz'''</u>tar.xz file

Right-click on the file and choose '''Extract Here''' option.
|| Open the '''Downloads''' folder and locate the compressed '''tar.xz''' file. 

Right-click on the file and choose '''Extract Here''' option.
|-
|| Double-click on the extracted folder.

Double-click on the '''bin '''folder.
|| Double-click on the extracted folder to open it.

Double-click on the '''bin '''folder. 

The folder opens.
|-
|| Double-click on '''ovito.'''
|| Double-click on '''ovito.'''

'''OVITO''' interface opens.
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|| Click on '''File''' menu, from the sub-menu click on '''Load File''' option.
|| Click on '''File''' menu, from the sub-menu click on the '''Load File''' option. 
|-
|| Cursor on '''Load File''' pop up box.
|| '''Load File''' pop up box opens.

Navigate to the location of the lammps output file for LJ bulk liquid simulation.
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|| Select the LJoutput1.atom from the list and click on open button at the bottom-right corner.
|| Select the '''LJoutput1.atom''' from the list and click on''' open '''button at the bottom-right corner.
|-
|| Cursor on the panel.
|| The simulation of the '''Lennard Jones bulk liqiud''' opens.

The views from various viewing angles is seen on the panel.
|-
|| Click on the image with the mouse and rotate,
|| Use the mouse to rotate the images on the panel.
|-
|| On the right-side panel click on the '''Particle Types'''
|| On the right-side panel click on the '''Particle Types '''under''' Data Source.'''
|-
|| Particle Types panel opens on the right panel.

In the Appearance section, input the '''Display radius''' as 0.5 
|| Particle Types panel opens on the right panel.

In the '''Appearance''' section, input the '''Display radius''' as 0.5.

This will allow proper rendering of the particles.
|-
|| Cursor on the panel.
|| We will learn to use more features of '''OVITO''' in the upcoming tutorials.
|-
|| 
|| This brings us to the end of this tutorial.
|-
|| '''Slide Number 6'''

Summary 
|| Let's summarize.
|-
|| '''Slide Number 7'''

'''Assignment'''
|| As an assignment please do the following:

Explore the various various options to change the appearance of the particles.
|-
|| '''Slide Number 8'''
|| Thank you 
|-
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