Difference between revisions of "Grace/C2/Bar-Chart-and-Error-Bars/English"
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| − | || '''Slide Number | + | || '''Slide Number 7''' |
'''Assignment''' | '''Assignment''' | ||
'''Time-activity chart of your day''' | '''Time-activity chart of your day''' | ||
Revision as of 17:15, 21 November 2019
| Visual Cue | Narration |
| Slide Number 1
Title Slide |
Welcome to the spoken tutorial on Bar Chart and Error bars. |
| Slide Number 2
Learning Objectives |
In this tutorial, we will learn to,
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| Slide Number 3
System and Software Requirement |
To record this tutorial, I am using,
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| Slide Number 4
Pre-requisites https://spoken-tutorial.org/ |
To follow this tutorial,
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| Slide Number 5
Code Files |
The example files required for this tutorial are provided in the code files link.
Please download and extract the files to Desktop. |
| Go to Desktop. | Go to Desktop. |
| Hover mouse next to bar.txt . | Notice the text file bar.txt. |
| Open bar.txt . | Open file bar.txt in a text editor and notice the three data columns. |
| Hover mouse on the three columns. | The first column is the data row number.
Second column is y data. The third column is the x data which is a string. |
| Close the text editor. | Close the text editor window. |
| Open Grace. | I have opened the Grace program. |
| Resize graph panel. | First, resize the graph panel to fit the field of view. |
| Go to Data, import, ASCII | Go to Data, import, ASCII to open the Grace read sets dialogue box. |
| Select Desktop, select bar.txt. | Navigate to Desktop and select the bar.txt file. |
| Choose Bar for set type. | For set type choose bar option from the dropdown. |
| Click on Ok. | Autoscale XY on read and click on Ok to load the data. |
| Click on Cancel. | Click on Cancel to close the dialogue box. |
| Show graph. | A bar chart appears along with a line plot. |
| Cursor on the interface. | Let’s format the properties of the bar chart and add the x string data to it. |
| Open Set Appearance window. | Double click on the line to open Set Appearance window. |
| Drag Set Appearance window to the side. | I will drag the Set Appearance window for better view. |
| In Line properties, Type dropdown, choose None. | Under the Line properties, in the Type dropdown, choose None. |
| Click on Apply, then click on Close. | Click on Apply to remove the line in the graph.
Click on Close, to close the dialogue box. |
| Next, go to Plot, select Axis properties. | Next, go to the Plot menu and select Axis properties. |
| Change axis limit from 0 to 4. | In the Grace: Axes window, change the x axis limits from zero to four.
Type start at 0 and at stop 4. |
| Under Tick properties,
Set Major spacing to 1 and Minor tics to zero. |
Under Tick properties, I will set Major spacing to one and Minor ticks to zero. |
| Click on Apply. | Click on Apply, to apply the changes. |
| In Edit, select y axis. | In the Edit dropdown, select y axis. |
| Click on Apply. | I will change the y axis limits to start from zero and to stop at 5.
Click on Apply. |
| Go to the tick marks tab.
Choose tick marks on the normal side of graph for x and y axes. |
From the tick marks tab, from the Draw on drop down, choose Normal side.
Then click Apply to apply the changes. |
| In Edit, select x-axis.
In Draw on, select Normal side |
Let us change the same for x axis.
In the Edit dropdown, select X axis. In the Draw on dropdown, change draw ticks to Normal side. |
| Click on Apply. | Again click on Apply to apply the changes to the graph. |
| Hover mouse next to tick mark | Notice how the graph looks after each change has been applied. |
| Go to the Special tab.
Show, screen shot of Qtgrace. |
Click on the Special tab on the right side.
This tab is labeled as custom ticks in Qtgrace. |
| In special ticks pull down, choose tick marks and labels. | In the Special ticks drop down, choose Tick marks and labels. |
| Open and show the bar.txt file.
Point to first data row and S1. |
Let us re-open bar.txt file.
Notice that, the string S1 is associated with the first data point. |
| Point to first data row and S2.
Point to first data row and S3. |
Similarly the string S2 is associated with the second data point.
And the string S3 is associated with the third data point. |
| Close the file bar.txt.
Point to Edit form in x-axis. |
Close the text editor window.
Make sure the Edit form is in x-axis. |
| Enter data
1 S1 2 S2 3 S3 |
In the tick location label form, enter data as seen.
Delete the value zero and four on the second column. Type, S1, S2 and S3 against 1, 2 and 3 in the second column. |
| Click on Apply. | Click on Apply to see the changes in the graph. |
| Cursor on the interface. Click on Close. | Next, let’s learn to edit a dataset within the Grace program.
Click on Close to close the dialogue box. |
| Open the set appearance dialogue box. | Double click on the bar in the graph to open the Set Appearance window. |
| Hover mouse next to G(0) and S0 . | Under Select set, notice G(0) (S0) [2] [3].
G denotes graph and S refers to the dataset in the graph. Here it is graph zero and set zero. |
| Right-click and hold the mouse on G(0) S0 [2] [3]. | Right-click and hold the mouse on G(0) S0 to open a context menu. |
| Show the screen shot in Windows for Qtgrace for the difference. | The context menu has more options in Qtgrace. |
| In the menu choose Edit.
From the sub-menu select In Spreadsheet option. |
In the menu choose Edit and from the sub-menu, select In Spreadsheet option.
The dataset opens in the Spreadsheet data set editor. |
| For Type, select BARDY and click on Apply. | In the Type drop-down change BAR to BARDY and click on Apply. |
| Point to the column in the spreadsheet. | An extra column Y1 gets added to the spreadsheet. |
| Show screenshot of spreadsheet editor in Qtgrace, without the string column. | Windows users will not see the string label column in Qtgrace. |
| Enter 0.4 0.6 0.3 in Y1 column.
Click on Apply. |
I will enter the error values as 0.4, 0.6 and 0.3 in the Y1 column and
click on Apply. |
| Click on, Close the Spreadsheet editor window.
Hover mouse next to error bar. |
Click on Close, on the Spreadsheet editor window.
Notice the incorporated error bars on the bar chart. |
| Go to the Set appearance window.
Choose the Error bar tab. |
Next, we will edit the size of the Error bar.
Go to the Set appearance window and choose the Error bar tab. |
| Set Bar line scroll bar at 50. | Change the Bar line to 50 using the scroll bar. |
| Click on the color drop down and select red color.
Click on Apply. |
Click on the color drop down and select red color.
Then, click on Apply. |
| Point to the changed colour. | This changes the color of the error bars to red. |
| Click on Close. | Click on Close in the set appearance window. |
| Cursor on the window. | We will now draw an arrow in the plot. |
| Click on Window and Drawing Objects. | Go to Window in menu and choose Drawing Objects.
The Objects panel opens. |
| Point to the Objects panel.
Click on Line button in the panel. Point to the plus sign. |
Click on the Line button and move the cursor to the plot.
The cursor changes to plus sign. |
| Click left, move cursor to draw the line.
Drag the cursor to draw the line until the desired location. |
I will left click on the desired location to start the line.
Drag the cursor to draw the line until the desired location. |
| Point to the line.
Left click on the mouse. |
Notice that a line is drawn.
Click left again to fix the end location of the line. |
| Click on Edit object.
Click on the Line props. |
Click on the Edit object.
Next, Double click on the line. The Edit Line dialogue box opens. |
| Change line width to 1.5. | Change Line width to 1.5 using the triangle buttons. |
| Under Arrow, In the Place at drop-down, choose End. | For the arrow styles, in the Place at drop-down, choose End. |
| For Type, choose Filled. | For the arrow Type, choose Filled. |
| Set I/L form factor to 0.7 . | Decrease I by L form factor to 0.7 . |
| Hover mouse over Viewport co-ordinates. | The Position shows Viewport coordinates.
I will leave it as is. |
| Click on Accept. | Click on Accept to change the arrow style. |
| Click on Close. | Click on Close to close the dialogue box. |
| Click on Copy object in the Objects panel. | We can make a copy of an existing object.
To make a similar arrow as this, click on Copy object in the Objects panel. |
| Shown on screen. | The cursor changes to a hand sign. |
| Left click and hold on the arrow. | Left click and hold on the arrow to see a box. |
| Drag the box and place it in the desired location.
Left click to release the arrow. |
Drag the box and place the copied arrow at the desired location.
Left click to release the copied arrow in the desired location. |
| Click on Delete object in the Objects panel. | We can also delete the objects added to the graph.
To delete an added object, click on Delete object in the Objects panel. |
| Move cursor to the graph. | Move cursor to the graph and the cursor changes to a x sign. |
| Click on the copied arrow. | I will click on the newly copied arrow to delete it. |
| Hover mouse on the popup box. | A warning popup window opens, asking the user Kill the line? |
| Click on Ok. | Click on Ok and notice that the object has been deleted. |
| Hover mouse over text, ellipse. | Similarly, we can add text, ellipse and also format their properties. |
| Click on Close. | Click on Close to close the objects panel. |
| Save with file name barxydy.agr on Desktop. | Let us save the Grace project before closing it.
I will save with file as barxydy.agr on Desktop. |
| Choose File, Exit. | Choose File, Exit to exit Grace. |
| Slide Number 6
Summary |
Now let's summarize.
In this tutorial, we,
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| Slide Number 7
Assignment Time-activity chart of your day |
For assignment, please do the following.
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| Glimpse of completed assignment. | Your completed assignment may look similar to this. |
| 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:
For more details, please write to us. |
| Slide Number 10
Forum for specific questions: |
Please post your timed queries in this 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 tutorial is contributed by Rani from IIT, Bombay.
Thank you for joining. |
