World Wind – provides topographical and satellite imagery
World Wind program is an open source program, which has been created by NASA that will allow users to place different kinds of overlays on a high quality globe. Users are able to spin the globe and then zoom in to view different places from a close distance. Overlays include borders, landmarks, hurricane paths, weather and other downloadable add-ons. Since this software is an open source program, add-ons have started popping up on the Web.
If you want to view the world then you need to download this software on your computer. The program will certainly enhance your knowledge. With this software program, users can even view the planet in many ways with the help of topographical data and satellite imagery, right on your computer. It is free; however, you will need a broadband connection and a recent computer to make use of it. When you run this software program, you are able to view planet Earth. You need to hold down left mouse button and then move your mouse. This is an easy way of moving around different places of the globe. To rotate your viewpoint, you need to hold down right mouse button and then move your mouse. Use mouse wheel to zoom in and out. Click on any location on the globe and this program will certainly centre your viewpoint on that particular location.
When you are viewing any country, users should click on Borders button in toolbar. This will completely highlight state as well as country borders. If you want to turn these lines off, you need to click on Borders button again. In case you see greyish boxes overlaying the map then those greyish boxes are in fact satellite images. As you zoom in further, the World Wind program can download much higher resolution images and give you images in detail. If you want to find a particular location, just enter the name of that place and the software will zoom into it automatically. Consequently, if you want to know other features of World Wind software then you have to click on menu.
The “Animations” options show users items such as hurricanes and tornados. “MODIS images will allow users to see events such as floods and volcanoes. Using this software program, you can check temperatures of different places around the globe. Visual guides will assist users to provide exact information. This software program will give you the opportunity to view static, archived images of any place on the planet at varying zoom levels. Few images are black and white while few are colour. Using features of NASA World Wind, you can supplement your geographic lessons with exciting interactive visuals. This software program is a fantastic tool; however, it does make use of bandwidth to load images. That is why if you want a clear and unobstructed view of planet earth, you must have high bandwidth internet connection. Unfortunately, NASA World Wind will not work if your computer has Windows Vista. Once you have downloaded this software program, you will come to know how useful this software is.
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