GChemPaint/C2/Basic-operations/English

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Visual Cue Narration

Slide Number 1

Title Slide

Hello everyone.

Welcome to the tutorial on Basic Operations in GChemPaint

Slide Number 2

Learning Objectives

In this tutorial we will learn to

Open an existing file Add and Edit text Select, Move, Flip and Rotate objects Group and Align Objects Cut, copy, paste and delete objects

Slide Number 3

System Requirements

Here I am using,

Ubuntu Linux OS version 12.04 GChemPaint version 0.12.10

Slide Number 4

Pre-requisites

To follow this tutorial you should be familiar with,

GChemPaint chemical structure editor. If not, for relevant tutorials, please visit our website.

Switch to GChemPaint Application

Dash home >>In the Search bar type GChemPaint Click on the GChemPaint icon.

To open a new GChemPaint application.

Click on Dash home. In the Search bar that appears, type GChemPaint. Click on the GChemPaint icon.

Let's begin the tutorial by opening an existing file.

Click on File >>Open Click on File menu, select Open and click on it.

A window containing all the files and folders opens. Select the file named “propane” From here, Select the file named “propane”

Click on Open button. Click on Open, to open the file.
Let's add text below the propane structure.
Select “Add or modify a text”

Point to the property page opens.

Select “Add or modify a text” tool from the tool box.

The text tool's property page opens.

Point to the fields The Property page contains fields like - Family, Style, Size, Underline, and a few others.
Point to Family >> scroll list Family field has a list of font names.

Let's scroll down the list.

Select Arial Black I will select Arial Black from the Family.
Click on the display area Click on the display area below the structures.

You can see a blinking cursor enclosed in a green box.

Type ”Propane” Let's type the name of the compound as “Propane”. Change Style to Bold Italic. Let's now change the Style to Bold Italic.

Select the text “Propane” and click on Bold Italic.

Increase fontsize to 16 I will increase the fontsize to 16.

Let's scroll down and click on 16.

Observe the changes in the text.

Point to Underline field.

Show the drop down list >> select Single

Next, let's use the underline feature.

It has a drop down list with the options-- None, Single, Double and Low.

Let's select Single.

Point to text. Let's change the color of the text.

Default color of the text is “black”

Point to the color field.

Click on drop down list. Select color to “purple” Click on the drop down arrow of the color field.

You can see different colors here. I will select “purple”. <Pause the narration>

Text position range>> -100 to 100 We can also change the position of the text.

Position field has range from -100 to 100

Select text>>click on up arrow >>Text moves up from Position “0” to “100”

Let's see how position of the text changes. Select text and click on up arrow triangle with the mouse.

Text moves upwards.

Select text>> click on down arrow>>Text moves down from Position “0” to “-100” Likewise if we click on down arrow triangle, text moves downwards.

<Pause the narration>

Let's bring the text to normal position. Assignment Here is an assignment for you.

Open the assignment of the first tutorial. Label the structures as n-hexane and n-octane. Change font name, font size, underline and colour of the text. Your completed assignment should look like this.

Let's now learn to select and move objects. From the Tool box, click on >>Select one or more objects

From the “Tool box” click on the tool “Select one or more objects”.

Click on pentane Click on “pentane” Press the left mouse button>> drag it to a different position >> release the mouse button. Without releasing the mouse button, drag it to a different position.

Now, release the mouse button.

Next let's learn to rotate an object. To rotate objects,>>click on “Select one or more objects” tool. To rotate the objects, click on “Select one or more objects” tool.

point to the tools

Flip the selection horizontally, Flip the selection vertically and Rotate the selection.

The properties page has three tools Flip the selection horizontally, Flip the selection vertically and Rotate the selection.

To use these tools. Click on pentane structure>> Select Rotate the selection>> move the mouse pointer Click on the pentane structure. Select Rotate the selection option.

Go to the display area and place the mouse over the object. Move the mouse pointer in clock-wise or anti-clock-wise direction. Observe the rotation of the object.

Now, let's learn to flip objects.

Let's flip the pentane structure horizontally. Click on Flip the selection horizontally tool>>flip structure horizontally. Click on Flip the selection horizontally tool to flip it horizontally Slide Assignment Pause this tutorial and flip the selection vertically on your own.

Let's now group and align objects

To group the objects, select all the objects. go to Edit menu >> click on Select all. Press CTR+A For this, go to Edit menu and click on Select All.

you can also press CTRL+A. Right click on any one of the objects Right-click on any one of the objects. In the context menu >>select Group and/or align objects option The context menu opens. Select Group and/or align objects option.

A dialog box pops up. Click on the Group check-box Click on the Group check-box. Uncheck the Align and Space evenly options. Uncheck the Align and Space evenly options, if they are selected. Click on the OK button Click on the OK button.

We see that all objects are grouped. Press CTR +A >> select objects Let us now align the objects.

Press CTRL +A to select all the objects. Right click on any one of the objects Right-click on any one of the objects. In the context menu >>select Group and/or align objects option The context menu opens. Select Group and/or align objects option.

A dialog box pops up. Click on the drop-down list. point to Normal, Top, Mid-height, Bottom, Left, Center and Right. Align option has a drop-down list. It has some options to align the objects. Select “Center” >> click OK Let's select “Left” and click OK. Observe the changes. Slide Assignment Pause this tutorial and align objects with other align options on your own.

Let's learn how to use cut, copy and paste operations Go Edit menu >> Point to Cut, Copy, Paste and Clear. Go to Edit menu. It contains basic edit options like Cut, Copy, Paste and Clear.

The common short-cut keys for these options CTRL+X to cut CTRL+C to copy CTRL+V to paste will work in GChemPaint. using “Select one or more objects” tool>> cut and paste objects>>at different places of diplay area Select the object using “Select one or more objects” tool.

Let's press CTRL+X to cut it.

Press CTRL+V to paste the object at a different position on the diplay area.

Observe that when we cut the object, it is deleted from its original place. Copy and paste objects>>at different places of diplay area Next, let's copy and paste the object at a different place on the diplay area. So, press CTRL+C to copy and CTRL+V to paste.

Observe that when we copy the object, it is not deleted from its original place. Select all objects >>click on clear To clear the display area, select all objects.

Then click on Clear from Edit menu. Delete the object using Delete key from keyboard. To delete object using the Delete Key on the Keyboard, Select the object. Press Delete. Go to Edit menu>>select Undo >>press CTR+Z >> to undo To get back our original structures, go to Edit menu and select Undo. Or press CTRL+Z. Point to Eraser tool

Let's now learn to use the Eraser tool to delete part of the structure. Select Eraser tool>>move mouse near one structure. Select Eraser tool from the toolbox. Place the mouse near any one of the structures. delete part of the structure. Part of the structure turns red in color. Click on the red colored part of the structure to delete it.

Let's now undo the changes to get our original structures. Click on Save the current file button on tool bar To save the file click on Save the current file button.

With this we come to the end of the tutorial. Let's summarize. Slide Number 5 Summary In this tutorial we have learnt how to Open an existing file Add and Edit text to the display area Select, Move, Flip and rotate objects Group and Align Objects Cut, copy, paste and delete objects Slide Number 6 Assignment As an assignment use Eraser tool and convert n-octane structure to n-pentane n-hexane structure to Ethane.

Assignment output should look like this. Slide number 7 Acknowledgement Watch the video available at http://spoken-tutorial.org/What is a Spoken Tutorial It summarises the Spoken Tutorial project If you do not have good bandwidth, you can download and watch it Slide Number 8 The Spoken Tutorial Project Team: Conducts workshops using spoken tutorials Gives certificates to those who pass an online test For more details, please write to contact@spoken-tutorial.org Slide number 9 Spoken Tutorial Project is a part of the Talk to a Teacher project It is supported by the National Mission on Education through ICT, MHRD, Government of India 

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

This is Madhuri Ganpathi from IIT Bombay signing off. Thank you for joining.

Contributors and Content Editors

Madhurig

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