Marble/C3/Features-of-Marble/English-timed

Time	Narration
00:01	Welcome to this Spoken Tutorial on Features of Marble.
00:06	In this tutorial we will learn to
00:09	Create a new map
00:11	Delete a map
00:12	Copy a map to a document and
00:14	Record a movie in Marble.
00:18	To record this tutorial, I am using, Ubuntu Linux OS, version 16.04
00:25	Marble version 1.12.20
00:29	FFmpeg 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 Marble version 2.2.20.
00:47	To practise this tutorial, learner should be familiar with Marble interface.
00:53	For the prerequisite Marble tutorials, please visit this site.
00:58	The files used in this tutorial are available in the Code Files link on this tutorial page.
01:05	Please download and extract them.
01:08	Make a copy and then use them while practising.
01:12	I have downloaded and saved the files to my Desktop.
01:16	Let us first learn to create a map in Marble.
01:20	Let us open the default Atlas view.
01:24	In the Map view panel select Flat View option, if not already selected.
01:30	Flat view of Atlas is seen on the interface.
01:34	Click on the File menu and select Create a New Map option.
01:39	Marble Map Theme Creation Wizard dialog box opens.
01:44	Select the second radio button A single image showing the whole world.
01:49	Click on the Next button in the box.
01:52	In the box, click on the 3 dots button next to Source Image field.
01:59	Open dialog box appears.
02:02	Select the folder where you have saved your desired map.
02:07	My image file is in the Desktop folder.
02:11	Double-click on the Desktop folder.
02:14	Select oceans-and-seas-map-of-the-world.jpg file
02:19	We can either use .png or .jpg image files.
02:24	Click on the Open button at the bottom right corner of the dialog box
02:29	Image path is added to the Source Image field.
02:34	Click on the Next button in the dialog box.
02:38	Please read the General Information given at the top.
02:42	In the Map Title field I will type the name as World Oceans and Seas.
02:48	In the Map Name field type the name as Oceans and Seas.
02:53	In the Description field , I will add a short description about this map.
02:58	This description is provided in the Code files.
03:02	Below the Description field, we can see the Preview Image of the selected map.
03:08	If you want to change the image, click on Change button.
03:13	As this is a downloaded map, I don't want to change the image.
03:18	I will click on the Next button.
03:21	Let us leave the Legend image and its components as default.
03:26	Then click on the Next button.
03:29	Read the Summary carefully.
03:32	Map Name, Map theme, and Preview Image are seen here.
03:38	Click on the Preview Map button.
03:41	Preview Map- Marble Virtual Globe window opens.
03:44	It shows the preview of the map.
03:48	Close the Preview Map window.
03:51	Click on the Finish button in the box.
03:54	Go to the Map View panel and scroll down.
03:59	World Oceans and Seas map is saved in the Map View panel.
04:04	Here you can see the description that is added while creating this map.
04:09	Let us open this map.
04:12	Now I will show how to delete this map from the interface.
04:17	Go to World Oceans and Seas in the Map View panel and right-click on it.
04:23	Select Delete Map Theme option.
04:27	A message: Are you sure you want to delete “World Oceans and Seas” appears.
04:33	Click on the Yes button in the box.
04:36	This map is deleted from the Map View panel.
04:41	Next we will learn how to copy a map from Marble to other documents.
04:46	For example, I will copy the Satellite view of the world to a document.
04:51	Go to Map View panel and select Satellite View.
04:55	I will hide Overviewmap, Compass, Windrose and Scale Bar for a better view.
05:05	Go to the Edit menu and select Copy Map option.
05:10	I have opened a LibreOffice Writer document in my system.
05:15	To paste this map in the document press Ctrl and V keys together.
05:20	Satellite View of the world map is copied to the document as an image.
05:26	We can resize the image by dragging the handles.
05:30	Now we will save this document.
05:32	Click on File and select Save option.
05:36	Save dialog box opens.
05:39	Select Desktop folder to save the file.
05:43	In the Name field, type the name as Satellite hyphen view dot odt
05:50	Click on the Save button at the bottom of the dialog box.
05:54	This is the saved document Satellite hyphen view dot odt
05:59	Double-click on it to open the file.
06:02	An assignment for you.
06:04	Create a world map showing climate zones of the world.
06:09	Hint: Climate Zones map is available in the Code files link.
06:15	Next let us learn to record a movie in Marble.
06:19	Before we start the recording, we have to set a theme for it.
06:24	I will choose Earth at Night view to record a movie.
06:28	Click on Earth at Night view from the Map View panel.
06:32	Click on the Globe View to see the virtual globe.
06:36	To record a movie in Marble, FFmpeg software is required.
06:42	FFmpeg is a collection of libraries and tools to process multimedia.
06:48	FFmpeg is a free and open source software.
06:52	It handles video, audio, and other multimedia files and streams.
06:58	You can download FFmpeg from the below link.
07:02	I have download FFmpeg software to my system.
07:07	To record a movie, go to the Edit menu and select Record Movie option.
07:13	Movie Recording Marble dialog box opens on the interface.
07:18	Click on the Open button in the dialog box.
07:22	Save video file dialog box opens.
07:26	I will select the Desktop folder as the destination.
07:30	In the File name field type the name as Earth hyphen at hyphen Night dot mp4
07:38	Select the Files of type as MPEG-4.
07:43	Click on Save button in the box.
07:47	Here we see Fps up and down arrow button.
07:52	What is FPS?
07:54	FPS is frames per second.
07:58	It shows how many unique consecutive images a camera can handle in one second.
08:05	We can change the FPS value between 1 and 60.
08:10	I will keep the value as 30.
08:13	Once everything is set, we can start the recording.
08:17	To start recording, I will click on the Start button.
08:21	Earth at Night map view shows the Earth’s city lights.
08:26	These lights are visible at night on the Earth's surface.
08:31	Let us rotate the globe to see different continents.
08:37	The brightest areas of the world are the most populated areas.
08:42	Since there is no human population, oceans and seas look completely dark.
08:50	Now we have completed our recording.
08:54	Let us go to the Edit menu and select Stop recording option.
09:00	Now let us check our saved video.
09:03	Go to the Desktop folder.
09:06	Earth at Night dot mp4 file is saved on the Desktop.
09:11	Let us open this file.
09:14	We can see that Earth at night view has been captured.
09;19	Let us close this file.
09:22	Let us summarize.
09:24	In this tutorial we have, learnt to Create a new map.
09:27	Delete a map
09:29	Copy a map to a document and Record a movie in Marble.
09:35	As an assignment,
09:37	Record a movie using Temperature(July) map view.
09:42	Show the continents with highest temperatures in the month of July.
09:47	Hint: Use Temperature(July) map from the Map View panel.
09:52	The video at the following link summarizes the Spoken Tutorial project. Please download and watch it.
10:00	The Spoken Tutorial Project team: conducts workshops and using spoken tutorials and gives certificates.
10:07	For more details, please write to us.
10:10	Please post your timed queries in this forum.
10:14	Spoken Tutorial Project is funded by, MHRD, Government of India.
10:20	This tutorial is contributed by Viji Nair and Madhuri Ganapathi from IIT Bombay. Thank you for watching.

Contributors and Content Editors

PoojaMoolya