Difference between revisions of "LaTeX/C3/Feedback-control-diagram/English-timed"

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(Created page with '{| border=1 !Time !Narration |- | 0:00 | Welcome to the spoken tutorial on feedback diagram creation using Xfig |- | 0:07 | In the spoken tutorial on block diagram creation, We c…')
 
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{| border=1
 
{| border=1
−
!Time
+
|'''Time'''
−
!Narration
+
|'''Narration'''
 +
 
 
|-
 
|-
−
| 0:00
+
|00:00
−
| Welcome to the spoken tutorial on feedback diagram creation using Xfig
+
|Welcome to the spoken tutorial on feedback diagram creation using Xfig
 +
 
 
|-
 
|-
−
| 0:07
+
|00:07
−
| In the spoken tutorial on block diagram creation, We created the diagram shown here  
+
|In the spoken tutorial on block diagram creation, We created the diagram shown here  
 +
 
 
|-
 
|-
−
| 0:14
+
|00:14
−
| We will refer to it as the blocks tutorial  
+
|We will refer to it as the blocks tutorial  
 +
 
 
|-
 
|-
−
| 0:18
+
|00:18
−
| Please master the blocks tutorial before starting the current one  
+
|Please master the blocks tutorial before starting the current one  
 +
 
 
|-
 
|-
−
| 0:22
+
|00:22
−
| In this tutorial, we will explain how to create block diagrams of the type shown on this page
+
|In this tutorial, we will explain how to create block diagrams of the type shown on this page
 +
 
 
|-
 
|-
−
| 0:31
+
|00:31
−
| I shall use Xfig, version 3.2, patch level 5
+
|I shall use '''Xfig''', version 3.2, '''patch''' level 5
 +
 
 
|-
 
|-
−
| 0:37
+
|00:37
−
| We will begin with block.fig created in the blocks tutorial
+
|We will begin with '''block.fig''' created in the blocks tutorial
 +
 
 
|-
 
|-
−
| 0:43
+
|00:43
−
| Let us go to Xfig
+
|Let us go to Xfig
 +
 
 
|-
 
|-
−
|0:47
+
|00:47
−
| Let us choose the file, then open.  
+
|Let us choose the file, then open.  
 +
 
 
|-
 
|-
−
|0:52
+
|00:52
−
| In the entry box, we can enter “block” and press open.Or double click on “block.fig”.
+
|In the entry box, we can enter '''block''' and press open.Or double click on “'''block.fig'''”.
 +
 
 
|-
 
|-
−
| 1:04
+
|01:04
−
| Using the “save as” option on “file”, we will save this figure as feedback.  
+
|Using the '''save as''' option on '''file''', we will save this figure as feedback.  
 +
 
 
|-
 
|-
−
| 1:24
+
|01:24
−
| We now have the file feedback.fig
+
|We now have the file '''feedback.fig'''
 +
 
 
|-
 
|-
−
| 1:28
+
|01:28
−
| Let us put the grids on by clicking on the “grids”
+
|Let us put the grids on by clicking on the “'''grids'''”
 +
 
 
|-
 
|-
−
| 1:34
+
|01:34
−
| The scroll bar on the right can be used to move the canvas up or down.
+
|The scroll bar on the right can be used to move the canvas up or down.
 +
 
 
|-
 
|-
−
| 1:41
+
|01:41
−
| The role of each mouse button is shown on the top right hand side.  
+
|The role of each mouse button is shown on the top right hand side.  
 +
 
 
|-
 
|-
−
| 1:46
+
|01:46
−
| This role depends on the activity.
+
|This role depends on the activity.
 +
 
 
|-
 
|-
−
| 1:49
+
|01:49
−
| To illustrate this, let me take the mouse to the vertical “scroll bar”.  
+
|To illustrate this, let me take the mouse to the vertical '''scroll bar'''.  
 +
 
 
|-
 
|-
−
| 1:55
+
|01:55
−
| Observe the comment next to the left button.  
+
|Observe the comment next to the left button.  
 +
 
 
|-
 
|-
−
| 1:59
+
|01:59
−
| I cannot move the mouse to show this. It is because, the role of the buttons will change if I move the cursor away from the scroll bar.
+
|I cannot move the mouse to show this. It is because, the role of the buttons will change if I move the cursor away from the scroll bar.
 +
 
 
|-
 
|-
−
| 2:08
+
|02:08
−
| The “left button” moves the canvas up and the “right button” moves it down.
+
|The '''left button''' moves the canvas up and the '''right button''' moves it down.
 +
 
 
|-
 
|-
−
| 2:17
+
|02:17
−
| Instead of clicking the left or right button, we can also click the “centre button”, hold and drag the canvas up or down
+
|Instead of clicking the left or right button, we can also click the '''centre button''', hold and drag the canvas up or down
 +
 
 
|-
 
|-
−
| 2:31
+
|02:31
−
| In a similar way, you can move the canvas to the right or left, using the “scroll bar” on the top. Left, right
+
|In a similar way, you can move the canvas to the right or left, using the '''scroll bar''' on the top. Left, right
 +
 
 
|-
 
|-
−
| 2:44
+
|02:44
−
| I will now move the box to the centre by clicking the “middle button”, holding and dragging the canvas to the centre.
+
| I will now move the box to the centre by clicking the '''middle button''', holding and dragging the canvas to the centre.
 +
 
 
|-
 
|-
−
| 2:57
+
|02:57
 
| As I release the mouse, the box gets moved to the centre.
 
| As I release the mouse, the box gets moved to the centre.
 +
 
|-
 
|-
−
| 3:03
+
|03:03
 
| Let us now create the feedback diagram starting from this block.
 
| Let us now create the feedback diagram starting from this block.
 +
 
|-
 
|-
−
| 3:08
+
|03:08
 
| Let us copy this box.
 
| Let us copy this box.
 +
 
|-
 
|-
−
| 3:13
+
|03:13
 
| Click on the box and select it.  
 
| Click on the box and select it.  
 +
 
|-
 
|-
−
| 3:16
+
|03:16
 
| Move the mouse to the new location and click.
 
| Move the mouse to the new location and click.
 +
 
|-
 
|-
−
| 3:27
+
|03:27
 
| Let us now put some text.  
 
| Let us now put some text.  
 +
 
|-
 
|-
−
| 3:29
+
|03:29
−
| Let us click the “Text box”, indicated by T, from the left hand side panel.
+
| Let us click the '''Text box''', indicated by T, from the left hand side panel.
 +
 
 
|-
 
|-
−
| 3:37
+
|03:37
 
| Let us choose the size of the text.
 
| Let us choose the size of the text.
 +
 
|-
 
|-
−
| 3:43
+
|03:43
 
| Move the mouse to the value box and enter 16.
 
| Move the mouse to the value box and enter 16.
 +
 
|-
 
|-
−
| 3:51
+
|03:51
−
| Click “Set”.
+
| Click '''Set'''.
 +
 
 
|-
 
|-
−
| 3:53
+
|03:53
−
| Let us click the “Text Just” button in the attributes panel.
+
| Let us click the '''Text Just''' button in the attributes panel.
 +
 
 
|-
 
|-
−
| 4:02
+
|04:02
 
| Let us choose centre alignment.
 
| Let us choose centre alignment.
 +
 
|-
 
|-
−
| 4:05
+
|04:05
 
| Let us click at the centre of the first box.
 
| Let us click at the centre of the first box.
 +
 
|-
 
|-
−
| 4:11
+
|04:11
 
| Sorry, I did not choose the correct position.  
 
| Sorry, I did not choose the correct position.  
 +
 
|-
 
|-
−
| 4:15
+
|04:15
 
| I will click at a different location to move the cursor away.  
 
| I will click at a different location to move the cursor away.  
 +
 
|-
 
|-
−
| 4:19
+
|04:19
 
| I will then click at the correct position.
 
| I will then click at the correct position.
 +
 
|-
 
|-
−
| 4:27
+
|04:27
 
| Let us now type the text “Control” and click the mouse.
 
| Let us now type the text “Control” and click the mouse.
 +
 
|-
 
|-
−
| 4:35
+
|04:35
 
| We would now want to enter some more lines with arrows.
 
| We would now want to enter some more lines with arrows.
 +
 
|-
 
|-
−
| 4:40
+
|04:40
−
| Let us choose the “polyline button”
+
| Let us choose the '''polyline button'''
 +
 
 
|-
 
|-
−
| 4:43
+
|04:43
−
| Let us select the “Arrow Mode” button from the attributes panel and select the second option.
+
|Let us select the '''Arrow Mode''' button from the attributes panel and select the second option.
 +
 
 
|-
 
|-
−
| 4:53
+
|04:53
−
| Let us click the “Arrow Type” button and an arrow head.
+
|Let us click the '''Arrow Type''' button and an arrow head.
 +
 
 
|-
 
|-
−
| 5:00
+
|05:00
 
| Let us click at the point where we want the line to start.
 
| Let us click at the point where we want the line to start.
 +
 
|-
 
|-
−
| 5:08
+
|05:08
 
| Let us move the mouse to the end point of the desired line.  
 
| Let us move the mouse to the end point of the desired line.  
 +
 
|-
 
|-
−
| 5:14
+
|05:14
−
| Let us now click there with “middle mouse button”.  
+
| Let us now click there with '''middle mouse button'''.  
 +
 
 
|-
 
|-
−
| 5:20
+
|05:20
 
| The line is created with an arrow.
 
| The line is created with an arrow.
 +
 
|-
 
|-
−
| 5:25
+
|05:25
 
| I want to place a circle.  
 
| I want to place a circle.  
 +
 
|-
 
|-
−
| 5:27
+
|05:27
−
| Let us choose the “circle on the left” from the “left hand side panel”.
+
| Let us choose the '''circle on the left''' from the '''left hand side panel'''.
 +
 
 
|-
 
|-
−
| 5:33
+
| 05:33
 
| We will place it to the left of the first box.
 
| We will place it to the left of the first box.
 +
 
|-
 
|-
−
| 5:37
+
| 05:37
 
| Click the mouse. As I move the mouse, the circle becomes bigger.  
 
| Click the mouse. As I move the mouse, the circle becomes bigger.  
 +
 
|-
 
|-
−
| 5:47
+
| 05:47
 
| When we get the right size, let us release the mouse button.
 
| When we get the right size, let us release the mouse button.
 +
 
|-
 
|-
−
| 5:54
+
| 05:54
 
| Oops, the circle is larger than what I wanted.
 
| Oops, the circle is larger than what I wanted.
 +
 
|-
 
|-
−
| 5:57
+
| 05:57
 
| I can undo this operation, using the edit button at the top.
 
| I can undo this operation, using the edit button at the top.
 +
 
|-
 
|-
−
| 6:02
+
| 06:02
 
| We can also delete this object, using the Delete button on the left hand panel.  
 
| We can also delete this object, using the Delete button on the left hand panel.  
 +
 
|-
 
|-
−
| 6:10
+
| 06:10
 
| Let us do that now.
 
| Let us do that now.
 +
 
|-
 
|-
−
| 6:14
+
| 06:14
 
| A skeleton with cross hairs appears.  
 
| A skeleton with cross hairs appears.  
 +
 
|-
 
|-
−
| 6:18
+
| 06:18
 
| All key points of all objects also appear.  
 
| All key points of all objects also appear.  
 +
 
|-
 
|-
−
| 6:22
+
| 06:22
 
| Move the cross hairs to a key point that indicates the circle and click.
 
| Move the cross hairs to a key point that indicates the circle and click.
 +
 
|-
 
|-
−
| 6:32
+
| 06:32
 
| In case a wrong object is deleted, no need to panic.  
 
| In case a wrong object is deleted, no need to panic.  
 +
 
|-
 
|-
−
| 6:35
+
| 06:35
−
| You can undo it: Click the “edit” button, hold, go to “Undo” and release the mouse.
+
| You can undo it: Click the '''edit''' button, hold, go to '''Undo''' and release the mouse.
 +
 
 
|-
 
|-
−
| 6:44
+
| 06:44
 
| If some objects are closely placed, you may have difficulty in choosing them.  
 
| If some objects are closely placed, you may have difficulty in choosing them.  
 +
 
|-
 
|-
−
| 6:49
+
| 06:49
−
| You can solve this through the “zoom” feature.  
+
| You can solve this through the '''zoom''' feature.  
 +
 
 
|-
 
|-
−
| 6:55
+
| 06:55
−
| Click the “View” button on the top left hand side, hold and choose one of the zoom options.  
+
| Click the '''View''' button on the top left hand side, hold and choose one of the zoom options.  
 +
 
 
|-
 
|-
−
| 7:00
+
| 07:00
−
| Let me release the mouse at “Zoom to fit the canvas”.  
+
| Let me release the mouse at '''Zoom to fit the canvas'''.  
 +
 
 
|-
 
|-
−
| 7:04
+
| 07:04
 
| Now it is easy to discriminate between the objects.  
 
| Now it is easy to discriminate between the objects.  
 +
 
|-
 
|-
−
| 7:08
+
| 07:08
 
| Let me delete the circle now.  
 
| Let me delete the circle now.  
 +
 
|-
 
|-
−
| 7:12
+
| 07:12
 
| Let me unzoom.
 
| Let me unzoom.
 +
 
|-
 
|-
−
| 7:20
+
| 07:20
 
| I will move the diagram to the centre with the use of scroll buttons.
 
| I will move the diagram to the centre with the use of scroll buttons.
 +
 
|-
 
|-
−
| 7:35
+
| 07:35
−
| I do not like to leave “delete” symbol on, because I can accidentally delete something else.  
+
| I do not like to leave '''delete''' symbol on, because I can accidentally delete something else.  
 +
 
 
|-
 
|-
−
| 7:41
+
| 07:41
 
| I can change this by choosing any other button.  
 
| I can change this by choosing any other button.  
 +
 
|-
 
|-
−
| 7:44
+
| 07:44
 
| Let me choose the left circle.
 
| Let me choose the left circle.
 +
 
|-
 
|-
−
| 7:47
+
| 07:47
 
| Let me redraw the circle
 
| Let me redraw the circle
 +
 
|-
 
|-
−
| 8:00
+
| 08:00
 
| I want to put another line from this line.  
 
| I want to put another line from this line.  
 +
 
|-
 
|-
−
| 8:04
+
| 08:04
−
| For this, we will first put a “dot” on the line.
+
| For this, we will first put a '''dot''' on the line.
 +
 
 
|-
 
|-
−
| 8:07
+
| 08:07
−
| Let us click the “library” on the left hand side panel.  
+
| Let us click the '''library''' on the left hand side panel.  
 +
 
 
|-
 
|-
−
| 8:11
+
| 08:11
 
| The library is indicated by a stack of books.
 
| The library is indicated by a stack of books.
 +
 
|-
 
|-
−
| 8:15
+
| 08:15
−
| A “dialog window” opens.  
+
| A '''dialog window''' opens.  
 +
 
 
|-
 
|-
−
| 8:17
+
| 08:17
−
| Next to the library, it says “None Loaded”.
+
| Next to the library, it says '''None Loaded'''.
 +
 
 
|-
 
|-
−
| 8:20
+
| 08:20
 
| Let us click and hold.  
 
| Let us click and hold.  
 +
 
|-
 
|-
−
| 8:22
+
| 08:22
 
| A list of available libraries appears.  
 
| A list of available libraries appears.  
 +
 
|-
 
|-
−
| 8:25
+
| 08:25
−
| Move the mouse to the “Logic library” and release the mouse .
+
| Move the mouse to the '''Logic library''' and release the mouse .
 +
 
 
|-
 
|-
−
|8:31
+
|08:31
−
| Let us choose the “small dot” by double clicking on it.
+
| Let us choose the '''small dot''' by double clicking on it.
 +
 
 
|-
 
|-
−
| 8:36
+
| 08:36
−
| The “dialog window” gets closed.  
+
| The '''dialog window''' gets closed.  
 +
 
 
|-
 
|-
−
| 8:38
+
| 08:38
 
| We see a cross hair, along with the chosen small dot.
 
| We see a cross hair, along with the chosen small dot.
 +
 
|-
 
|-
−
| 8:42
+
| 08:42
 
| Let us place the dot on the line by clicking.
 
| Let us place the dot on the line by clicking.
 +
 
|-
 
|-
−
| 8:51
+
| 08:51
 
| The cursor and the small dot show up once again, suggesting that we can place it at some other location also.
 
| The cursor and the small dot show up once again, suggesting that we can place it at some other location also.
 +
 
|-
 
|-
−
| 8:57
+
| 08:57
 
| We do not want to place the dot at any other place.  
 
| We do not want to place the dot at any other place.  
 +
 
|-
 
|-
−
| 9:00
+
| 09:00
 
| Let us close it by clicking the right button of the mouse.  
 
| Let us close it by clicking the right button of the mouse.  
 +
 
|-
 
|-
−
| 9:05
+
| 09:05
−
| The right button does an “undo” operation.  
+
| The right button does an '''undo''' operation.  
 +
 
 
|-
 
|-
−
| 9:08
+
| 09:08
 
| In this case, dot selection has been removed.
 
| In this case, dot selection has been removed.
 +
 
|-
 
|-
−
| 9:10
+
| 09:10
 
| Let us draw a line from this dot to the circle.
 
| Let us draw a line from this dot to the circle.
 +
 
|-
 
|-
−
| 9:15
+
| 09:15
 
| Let us select the polyline.  
 
| Let us select the polyline.  
 +
 
|-
 
|-
−
| 9:18
+
| 09:1
−
| Notice that the previous selections of “arrow mode” and “arrow type” have been remembered.  
+
| Notice that the previous selections of '''arrow mode''' and '''arrow type''' have been remembered.  
 +
 
 
|-
 
|-
−
| 9:24
+
| 09:24
 
| Within a session, Xfig remembers the parameter values.
 
| Within a session, Xfig remembers the parameter values.
 +
 
|-
 
|-
−
| 9:28
+
| 09:28
 
| Click at the dot.  
 
| Click at the dot.  
 +
 
|-
 
|-
−
| 9:34
+
| 09:34
 
| Move the mouse to the bottom and click.  
 
| Move the mouse to the bottom and click.  
 +
 
|-
 
|-
−
| 9:41
+
| 09:41
 
| Now turn the mouse to the left, until at the bottom of the circle. Click.  
 
| Now turn the mouse to the left, until at the bottom of the circle. Click.  
 +
 
|-
 
|-
−
| 9:47
+
| 09:47
−
| Move the mouse to the circle and now click the “middle mouse button”.  
+
| Move the mouse to the circle and now click the '''middle mouse button'''.  
 
|-
 
|-
 
| 9:54
 
| 9:54
Line 307: Line 407:
 
|-
 
|-
 
| 10:08
 
| 10:08
−
| Let us now save this figure using the “file button” at the top left hand corner of Xfig and choosing “save”.
+
| Let us now save this figure using the '''file button''' at the top left hand corner of Xfig and choosing '''save'''.
 
|-
 
|-
 
| 10:19
 
| 10:19
Line 313: Line 413:
 
|-
 
|-
 
| 10:22
 
| 10:22
−
| Let us click the “file” button once again and choose “export”.
+
| Let us click the '''file''' button once again and choose '''export'''.
 
|-
 
|-
 
| 10:30
 
| 10:30
−
| Let us choose “language” and then “PDF”.  
+
| Let us choose '''language''' and then '''PDF'''.  
 
|-
 
|-
 
| 10:36
 
| 10:36
−
| We get the file “feedback.pdf”.
+
| We get the file '''feedback.pdf'''.
 
|-
 
|-
 
| 10:43
 
| 10:43
−
| Let us open this file through the command “open feedback.pdf”.  
+
| Let us open this file through the command '''open feedback.pdf'''.  
 
|-
 
|-
 
| 10:56
 
| 10:56
Line 349: Line 449:
 
|-
 
|-
 
| 11:44
 
| 11:44
−
| More information on this mission is available at  
+
| More information on this mission is available at '''http://spoken-tutorial.org/NMEICT-Intro'''
−
http://spoken-tutorial.org/NMEICT-Intro  
+
 
 
|-
 
|-
 
| 11:53
 
| 11:53

Revision as of 15:28, 11 May 2015

Time Narration
00:00 Welcome to the spoken tutorial on feedback diagram creation using Xfig
00:07 In the spoken tutorial on block diagram creation, We created the diagram shown here
00:14 We will refer to it as the blocks tutorial
00:18 Please master the blocks tutorial before starting the current one
00:22 In this tutorial, we will explain how to create block diagrams of the type shown on this page
00:31 I shall use Xfig, version 3.2, patch level 5
00:37 We will begin with block.fig created in the blocks tutorial
00:43 Let us go to Xfig
00:47 Let us choose the file, then open.
00:52 In the entry box, we can enter block and press open.Or double click on “block.fig”.
01:04 Using the save as option on file, we will save this figure as feedback.
01:24 We now have the file feedback.fig
01:28 Let us put the grids on by clicking on the “grids”
01:34 The scroll bar on the right can be used to move the canvas up or down.
01:41 The role of each mouse button is shown on the top right hand side.
01:46 This role depends on the activity.
01:49 To illustrate this, let me take the mouse to the vertical scroll bar.
01:55 Observe the comment next to the left button.
01:59 I cannot move the mouse to show this. It is because, the role of the buttons will change if I move the cursor away from the scroll bar.
02:08 The left button moves the canvas up and the right button moves it down.
02:17 Instead of clicking the left or right button, we can also click the centre button, hold and drag the canvas up or down
02:31 In a similar way, you can move the canvas to the right or left, using the scroll bar on the top. Left, right
02:44 I will now move the box to the centre by clicking the middle button, holding and dragging the canvas to the centre.
02:57 As I release the mouse, the box gets moved to the centre.
03:03 Let us now create the feedback diagram starting from this block.
03:08 Let us copy this box.
03:13 Click on the box and select it.
03:16 Move the mouse to the new location and click.
03:27 Let us now put some text.
03:29 Let us click the Text box, indicated by T, from the left hand side panel.
03:37 Let us choose the size of the text.
03:43 Move the mouse to the value box and enter 16.
03:51 Click Set.
03:53 Let us click the Text Just button in the attributes panel.
04:02 Let us choose centre alignment.
04:05 Let us click at the centre of the first box.
04:11 Sorry, I did not choose the correct position.
04:15 I will click at a different location to move the cursor away.
04:19 I will then click at the correct position.
04:27 Let us now type the text “Control” and click the mouse.
04:35 We would now want to enter some more lines with arrows.
04:40 Let us choose the polyline button
04:43 Let us select the Arrow Mode button from the attributes panel and select the second option.
04:53 Let us click the Arrow Type button and an arrow head.
05:00 Let us click at the point where we want the line to start.
05:08 Let us move the mouse to the end point of the desired line.
05:14 Let us now click there with middle mouse button.
05:20 The line is created with an arrow.
05:25 I want to place a circle.
05:27 Let us choose the circle on the left from the left hand side panel.
05:33 We will place it to the left of the first box.
05:37 Click the mouse. As I move the mouse, the circle becomes bigger.
05:47 When we get the right size, let us release the mouse button.
05:54 Oops, the circle is larger than what I wanted.
05:57 I can undo this operation, using the edit button at the top.
06:02 We can also delete this object, using the Delete button on the left hand panel.
06:10 Let us do that now.
06:14 A skeleton with cross hairs appears.
06:18 All key points of all objects also appear.
06:22 Move the cross hairs to a key point that indicates the circle and click.
06:32 In case a wrong object is deleted, no need to panic.
06:35 You can undo it: Click the edit button, hold, go to Undo and release the mouse.
06:44 If some objects are closely placed, you may have difficulty in choosing them.
06:49 You can solve this through the zoom feature.
06:55 Click the View button on the top left hand side, hold and choose one of the zoom options.
07:00 Let me release the mouse at Zoom to fit the canvas.
07:04 Now it is easy to discriminate between the objects.
07:08 Let me delete the circle now.
07:12 Let me unzoom.
07:20 I will move the diagram to the centre with the use of scroll buttons.
07:35 I do not like to leave delete symbol on, because I can accidentally delete something else.
07:41 I can change this by choosing any other button.
07:44 Let me choose the left circle.
07:47 Let me redraw the circle
08:00 I want to put another line from this line.
08:04 For this, we will first put a dot on the line.
08:07 Let us click the library on the left hand side panel.
08:11 The library is indicated by a stack of books.
08:15 A dialog window opens.
08:17 Next to the library, it says None Loaded.
08:20 Let us click and hold.
08:22 A list of available libraries appears.
08:25 Move the mouse to the Logic library and release the mouse .
08:31 Let us choose the small dot by double clicking on it.
08:36 The dialog window gets closed.
08:38 We see a cross hair, along with the chosen small dot.
08:42 Let us place the dot on the line by clicking.
08:51 The cursor and the small dot show up once again, suggesting that we can place it at some other location also.
08:57 We do not want to place the dot at any other place.
09:00 Let us close it by clicking the right button of the mouse.
09:05 The right button does an undo operation.
09:08 In this case, dot selection has been removed.
09:10 Let us draw a line from this dot to the circle.
09:15 Let us select the polyline.
09:1 Notice that the previous selections of arrow mode and arrow type have been remembered.
09:24 Within a session, Xfig remembers the parameter values.
09:28 Click at the dot.
09:34 Move the mouse to the bottom and click.
09:41 Now turn the mouse to the left, until at the bottom of the circle. Click.
09:47 Move the mouse to the circle and now click the middle mouse button.
9:54 Let us draw another line, to the left of the circle by copying.
10:08 Let us now save this figure using the file button at the top left hand corner of Xfig and choosing save.
10:19 Let us now export the file.
10:22 Let us click the file button once again and choose export.
10:30 Let us choose language and then PDF.
10:36 We get the file feedback.pdf.
10:43 Let us open this file through the command open feedback.pdf.
10:56 We now have the block diagram that we wanted.
11:00 We have completed our objective.
11:04 We have an assignment for you
11:08 Substitute the blocks with different objects.
11:13 Try out operations, such as, rotate and flip.
11:19 View the file feedback.fig in an editor, and identify different components.
11:25 Using the library, create entirely different block diagrams.
11:32 Spoken Tutorial is a part of the Talk to a Teacher project Supported by the National Mission on Education through ICT (NMEICT), MHRD, Government of India.
11:44 More information on this mission is available at http://spoken-tutorial.org/NMEICT-Intro
11:53 We welcome your participation and also your feedback.
11:57 This is Kannan Moudgalya signing off. Thanks for joining. Goodbye.

Contributors and Content Editors

Minal, Nancyvarkey, Pratik kamble, Sandhya.np14

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