NASA World Wind features
NASA World Wind has lot of features and is an extremely useful product. However, there are some unique features that distinguish this product from other similar products.
3D Engine: The 3D engine of NASA world wind features unique 3D images of the world. That is why it can provide 3 dimensional images of planet Earth. This 3D engine with SRTM elevation and landsat 7 high resolution imagery provide a practical viewing experience of different parts of the world.
NASA world wind software is developed for common people. Developers of World Wind have made sure that people find it very easy to use it. Therefore controlling and viewing 3D imagery is very simper and easy.
Blue Marble: Blue marble is a collection of real colored images of planet Earth that are taken from NASA's Earth Observatory. This observatory is called Blue Marble. This software combines these high quality images with images that are obtained from sources such as Terra and Modis. Therefore, whatever images that will be shown by this software are in real color. That is why these images look more realistic.
Land Sat7: It is a set of high quality images that are taken from a satellite called 'Land Sat. These images were probably taken between years 1999 to 2003. Any significant modifications are updated immediately in these images. A remarkable feature of these satellite images is the resolution, which is around 15 meters per pixel. When you are seeing the blue marble imagery, and suppose you zoom in to find details of a particular location it is the collection of images that show you further details. Because of high resolution, you can see fine details such as trees and road buildings in cities. You can thus make use of NASA World Wind for exploring your neighborhood and other cities in the world.
Moreover, these land sat images have color bands such as infrared spectrum. The updates and change are automatically inherited by World Wind, hence you are sure to get updated real time imagery. As landsat 7 is a vast collection of high resolution images, it cannot accommodate on your computer. However, as World wind downloads the data, which you view on your computer screen, no problem occurs. As the downloaded data is in compressed form, you can easily view it later.
SRTM: The full form of SRTM is shuttle radar topography mission data. Using Land sat 7 and SRTM, imagery World Wind provides real 3D imagery at eye level. As this software is fully interactive, you can fly across the globe and that too, you get to view at an eye level. Thus, when you use NASA World Wind, you will have a feeling that you have wings and that you are flying to various places on Earth.
Even though NASA World Wind does not show real color images, they are 3D at eye level, thus giving a special 3D experience. This interactive globe will surely enhance your knowledge about various parts of the world.
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