Difference between revisions of "GChemPaint/C2/Introduction-to-GChemPaint/English-timed"

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Latest revision as of 17:35, 27 March 2017

Time Narration
00:01 Hello everyone. Welcome to the tutorial on Introduction to GChemPaint.
00:07 In this tutorial, we will learn:
00:11 About GChemPaint
00:13 Uses and Benefits
00:16 Installation Open a new file
00:20 Menubar, Toolbar and Status bar.
00:25 We will also learn about:
00:28 Display area
00:30 Document properties
00:32 Using tool box and
00:34 Saving the drawing with extension .gchempaint.
00:40 Here I am using
00:42 Ubuntu Linux OS version. 12.04,
00:47 GChemPaint version 0.12.10.
00:53 To follow this tutorial you should have knowledge of,
00:59 basics of Chemistry upto VIII standard.
01:04 GChemPaint can be very easily installed using Ubuntu Software Center.
01:12 For more information on Ubuntu software Center,
01:16 please refer to Ubuntu Linux Tutorials on our website.
01:23 What is GChemPaint?
01:26 GChemPaint is a two dimensional chemical structure editor.
01:32 It has a multiple document interface.
01:37 GChemPaint allows you to,
01:40 Draw and display two dimensional chemical structures.
01:46 Drag and drop of templates
01:50 Change length, angle and width of the bonds
01:55 Use Chemical Calculator to calculate molecular weight of compounds.
02:03 GChemPaint helps in:
02:05 Easy visualization of chemical structures
02:11 Converting two dimensional structures to three dimensional structures
02:17 Magnification of structures
02:21 Automatic and manual assignment of atoms.
02:26 Let's first see how to open a new GChemPaint application.
02:33 Click on Dash home >> Search bar appears >> In the Search bar type GChemPaint.
02:41 Click on the GChemPaint icon.
02:46 We can also open GChemPaint application from Terminal.
02:52 Press Ctrl, Alt and T keys simultaneously, to open the Terminal.
02:58 Type GChemPaint and press Enter.
03:04 GChemPaint application opens.
03:08 A typical GChemPaint window looks like this.
03:13 This is the Menu-bar.
03:15 GChempaint has a standard menu-bar like other window based applications.
03:22 Menu bar contain menu items like File, Edit, View, Tools, Windows and Help options.
03:34 Toolbar contains most frequently used commands as icons.
03:41 There are icons to open a New file,
03:45 Open existing file,
03:48 Save a file and Print a file.
03:53 This is the Display area.
03:56 Display area shows the structures and the contents of the file that we draw and edit.
04:06 We can drag and drop tools from toolbox into the Display area.
04:14 Status-bar displays information about current GChemPaint activity.
04:20 It also displays contextual information about menu items.
04:28 Now I will explain about Document Properties.
04:33 To open Document Properties window,
04:37 click on File menu.
04:39 Navigate to Properties and click on it.
04:43 Document Properties window opens.
04:47 I will drag the Document Properties window to maximize it.
04:53 Document properties window has the following fields.
04:59 Title- Let's type the title of the document as “Propane”.
05:06 Author's Name- let's type author's name as Madhuri.
05:14 Email– Let's leave it blank.
05:17 History – This field shows the Creation date of the document.
05:23 It also shows the Revision date of the document.
05:28 This means, it also shows the next edited date of the document.
05:35 Theme- let's leave this field as GChemPaint.
05:39 Comments- In the Comments field, we can add text related to the document.
05:46 Let's enter name of the compound and its formula.
05:51 Propane CH3-CH2-CH3
06:01 Let's click on Close button to close the window.
06:05 Next let's learn about Toolbox.
06:09 Toolbox contains buttons for different tools.
06:14 Toolbox is displayed along with the active document window.
06:20 Let's now draw structures using Toolbox buttons.
06:25 Let's first draw the structure of propane.
06:30 Propane is CH3-CH2-CH3
06:36 Let's use Add a Chain tool from Tool box to draw a Carbon chain.
06:42 Click on Add a Chain tool,
06:45 and then click on Display area.
06:48 A Carbon chain is drawn on the Display area.
06:53 To change the orientation of the chain,
06:57 click on Add a Chain tool.
07:00 In the Display area, click and hold the left mouse button to orient the chain.
07:07 Do not release the left mouse button until the direction of the chain is fixed.
07:15 Release the left mouse button after fixing the direction.
07:20 We see that carbon chain is drawn.
07:24 Note, once we click on the Display area, the chain length and orientation of the chain are fixed.
07:33 Let's now display atoms at each position on the chain.
07:39 Here we have 3 positions to display atoms.
07:43 Right click on the first position,
07:47 a Sub-menu opens.
07:49 Select Atom and then click on Display symbol, to display atoms at that position.
07:59 Like wise, let's display atoms on all positions.
08:04 Right click Select Atom.
08:07 click on Display symbol.
08:12 Here the structure of “Propane” is drawn.
08:17 Let's next draw a pentane structure on the same window.
08:23 Click on Add a Chain tool,
08:26 then click on Display area.
08:29 To increase the chain length, hold the left mouse button and drag the cursor.
08:36 Change orientation in the desired direction and release the left mouse button.
08:43 Let's display atoms on all positions.
08:47 Here we have 5 positions to display atoms.
08:52 To display atoms on the first position, right click. A sub-menu opens.
08:58 Select Atoms and then click on Display symbol.
09:03 Like wise let's display atoms on all positions.
09:17 Here the structure of pentane is drawn.
09:21 Let's now save the file.
09:24 click on File Menu select Save as .
09:27 Save As dialog box opens.
09:30 For File type, click on the drop down arrow.
09:35 Various save formats are seen.
09:39 Select 2D Chemical structure.
09:43 Type the file name as propane.gchempaint,
09:52 and click on Save button.
09:55 File is saved with .gchempaint extension.
10:00 With this, we come to the end of this tutorial.
10:04 Let's summarize.
10:06 In this tutorial we have learnt,
10:09 About GChemPaint Uses and Benefits
10:12 Installation
10:14 Open a new file
10:16 Menu-bar, Toolbar and Status bar
10:20 We have also learnt about:
10:23 Display area
10:25 Document Properties, Using tool box and
10:28 Save the drawing with extension .gchempaint
10:33 As an assignment I would like you to:
10:36 1. Draw structures of n-hexane and n-octane
10:41 2. Change the orientation
10:43 3. Display atoms on each position
10:47 Output of the assignment should look like this.
10:53 Watch the video available at this URL:
10:57 It summarizes the Spoken Tutorial project.
11:00 If you do not have good bandwidth, you can download and watch it.
11:05 The Spoken Tutorial Project Team:
11:07 Conducts workshops using spoken tutorials
11:10 Gives certificates to those who pass an online test.
11:14 For more details, please write to contact@spoken-tutorial.org.
11:21 Spoken Tutorial Project is a part of the Talk to a Teacher project.
11:26 It is supported by the National Mission on Education through ICT, MHRD, Government of India.
11:34 More information on this Mission is available at this link.
11:40 This is Madhuri Ganpathi from IIT Bombay signing off. Thank you for joining.

Contributors and Content Editors

PoojaMoolya, Pratik kamble, Ranjana, Sandhya.np14

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