Marble/C3/More-on-Edit-Maps/English-timed
From Script | Spoken-Tutorial
| Time | Narration |
| 00:01 | Welcome to this tutorial on More on Edit maps. |
| 00:05 | In this tutorial we will learn to, |
| 00:08 | Add ground overlay |
| 00:10 | Select an item
Add a polygon hole |
| 00:13 | Remove an item and |
| 00:16 | Clear all annotations. |
| 00:19 | To record this tutorial, I am using, |
| 00:22 | Ubuntu Linux OS, version 16.04 |
| 00:26 | Marble version 1.12.20 and |
| 00:31 | A working Internet connection. |
| 00:34 | The process demonstrated in this tutorial is identical in |
| 00:39 | Ubuntu Linux OS, version 18.04 |
| 00:44 | Marble version 2.2.20 |
| 00:49 | To practice this tutorial, learner should be familiar with Marble interface. |
| 00:55 | For the prerequisite Marble tutorials, please visit this site. |
| 01:00 | The files used in this tutorial are given in the Code files link. |
| 01:05 | Please download and extract the files to Desktop. |
| 01:09 | I have downloaded and saved the files to my Desktop folder. |
| 01:14 | I have opened the Marble interface. |
| 01:18 | We have already learnt about some icons in the Edit Maps panel. |
| 01:23 | I have added a Placemark, a Polygon and a Path on the map. |
| 01:28 | First we will learn to add Ground Overlay to our map. |
| 01:32 | A ground overlay is an image that can be added on to a map. |
| 01:37 | I will add an image of an Indian flag on location of India on the map. |
| 01:43 | Click on the Ground Overlay icon in the Edit Maps panel. |
| 01:48 | Edit ground overlay dialog box opens. |
| 01:52 | Click on the Browse button at the top left corner of the dialog box. |
| 01:57 | Open File Marble Virtual Globe dialog box opens |
| 02:02 | I have saved my file in the Desktop folder.
Double click on the Desktop folder. |
| 02:09 | From the folder select the desired image. |
| 02:13 | Here you can see the image India hyphen Flag dot png |
| 02:18 | Select the image by clicking on it. |
| 02:21 | The same name appears in the File name field. |
| 02:25 | Note that the image file should be in the .png file format. |
| 02:30 | Click on the Open button in the box. |
| 02:33 | Image is seen on the Browse button. |
| 02:36 | In the Name field type the name as India hyphen flag. |
| 02:41 | Click on OK button in the Edit ground overlay dialog box. |
| 02:46 | Image appears on the map. |
| 02:49 | Resize the image using the arrow handles. |
| 02:54 | You can also drag and drop the image as per your choice. |
| 02:59 | Next icon is Select item. |
| 03:03 | Select Item option can be used to select an item on the map. |
| 03:08 | I will zoom in and select the polygon area Kerala. |
| 03:12 | All the nodes appear on the polygon area. |
| 03:16 | This indicates that the polygon area is in selected mode. |
| 03:21 | Right click on the polygon area. |
| 03:24 | A context menu opens. |
| 03:27 | Click on Properties option. |
| 03:30 | Add Polygon dialog box opens. |
| 03:34 | We will change the colour of our polygon area. |
| 03:38 | Click on the colour box under Area. |
| 03:41 | Select Color window opens. |
| 03:44 | I will select brown colour. |
| 03:47 | Click on the OK button in the window. |
| 03:50 | Click on the OK button at the bottom right corner of Add Polygon dialog box. |
| 03:57 | Notice that the color of the polygon area has changed from magenta to brown. |
| 04:04 | We can copy and paste this polygon area anywhere on the interface. |
| 04:09 | Left click on the polygon area. |
| 04:12 | Polygon area is in selected mode. |
| 04:16 | Right click on the polygon. |
| 04:19 | Select Copy option from the context menu. |
| 04:23 | I will paste this polygon outside the map. |
| 04:27 | Let us now delete this polygon. |
| 04:30 | Right click on the polygon area. |
| 04:33 | Select Remove option from the context menu. |
| 04:37 | A message Are you sure you want to remove the current item? appears. |
| 04:43 | Click on the Yes button. |
| 04:46 | The polygon is removed from the map. |
| 04:49 | We can place this polygon anywhere on the map using the drag and drop method. |
| 04:56 | Now we will move this polygon outside of the map. |
| 05:00 | Let us move back the polygon to its previous location. |
| 05:04 | Similarly we can change the properties of any item that is added on the map. |
| 05:10 | Next item is Add Polygon Hole. |
| 05:14 | To highlight an area on the polygon, we can use Add Polygon Hole icon. |
| 05:20 | Holes can be made in the existing polygon to highlight a particular region. |
| 05:26 | Go to the polygon area Kerala and zoom in. |
| 05:30 | Here I will add a polygon hole in the region of Malapuram. |
| 05:36 | Click on the Add Polygon Hole icon. |
| 05:40 | Start marking nodes on the region of Malapuram. |
| 05:45 | Observe that Malapuram area is marked with a polygon hole. |
| 05:50 | Next icon is Add nodes. |
| 05:53 | We can add more nodes using the Add nodes icon. |
| 05:58 | I will now extend the Pune to Satara path. |
| 06:02 | Click on Add nodes icon. |
| 06:06 | Select the path from Pune to Satara named as Path-1. |
| 06:12 | Place the cursor on the ending node and drag it to the desired location. |
| 06:18 | I will extend the path to Kolhapur. |
| 06:22 | Next we will learn to remove items on the map. |
| 06:26 | To remove any item from the map, we can use Remove item icon. |
| 06:32 | Now I will remove Path-1 from the map. |
| 06:36 | Go to Path 1 and click on it. |
| 06:39 | Click on Remove item icon in the panel. |
| 06:43 | A message Are you sure you want to remove the current item? appears. |
| 06:48 | Click on the Yes button. |
| 06:51 | Path 1 has been removed from the map. |
| 06:55 | Click on Clear all annotations icon. |
| 06:59 | A message Are you sure you want to clear all annotations? appears. |
| 07:04 | This option is used to remove all the items created on the map. |
| 07:09 | Since I don't want to remove the items on the map, I will click on Cancel button. |
| 07:16 | Click on View menu. |
| 07:19 | Notice that all the icons in Edit maps panel are also available in the View menu. |
| 07:26 | Let us summarize. |
| 07:28 | In this tutorial we have learnt to,
Add ground overlay, Select an item, Add a polygon hole, Remove an item, Clear all annotations |
| 07:41 | An assignment for you, |
| 07:44 | Locate Australia on the map and add its flag as Ground Overlay. |
| 07:50 | Hint: The image of the flag of Australia is provided in the Code files link. |
| 07:57 | The video at the following link summarizes the Spoken Tutorial project.
Please download and watch it. |
| 08:05 | The Spoken Tutorial Project team: conducts workshops and gives certificates.
For more details, please write to us. |
| 08:14 | Please post your timed queries in this forum. |
| 08:18 | Spoken Tutorial Project is funded by,MHRD, Government of India. |
| 08:24 | This tutorial is contributed by Viji Nair and Madhuri Ganapathi from IIT Bombay.
Thank you for watching. |
