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Land Sat 7

The complete LandSat 7 dataset is very large and therefore it is not possible to download and store it on any personal computer. Therefore, when open NASA World Wind, it will download only what you see on the screen. When you browse to some other location, the data set for that location will be downloaded.

In this way NASA World Wind displays the LandSat 7 on your computer which has a limited amount of memory. It also stores a compressed copy of the imagery that you see. Therefore, you can view that later even if you are disconnected to the internet.

NASA World Wind has a number of useful features. Some of these features are unique ones which you do not get with the other similar products. For example, the data sets having imagery for other planets in our solar system. Some of the several features of NASA World Wind have been discussed below.

3D Engine

NASA World Wind has a 3D Engine with the help of which it provides you the 3D images of different places on earth. When you start NASA World Wind you see the 3D image of earth. Even when you zoom in on any particular location you also get the further detailed 3D imagery of that location. Due to the 3D nature and good quality of images, while viewing the images you will feel as if you are practically present at those at place and viewing it with your own eyes.

NASA World Wind is a geospatial visualization platform that has enjoyed till date the attention of more than 80000 downloads per day. There are hundreds of plug-ins available extending this application in every way. Although most plug ins are open source and free, this hasn't prevented entrepreneurs from giving value added products as well. NASA World Wind allows its users to access terabytes of NASA data. With the help of NASA World Wind, users can select a variety of data including ozone, temperature, and precipitation from many planetary datasets.

If your computer is equipped with this new program then you can explore the world virtually. No wonder it is one of the most frequently downloaded program from the internet. It is an open source program; hence, you don't have to pay anything to use it. You can view any place on Earth with the help of this software. You will be able to see 3D pictures of cities by population. NASA World Wind also allows you to get a closer view of some famous monuments and buildings such as Empire state building of United States.

What is it?

NASA World Wind is a very useful software that shows a 3D interactive globe on the computer screen. While the software is on your desktop, earth images are taken by satellite. The satellite photography provides high resolution quality images of Earth. The images also come from other sources which can be downloaded on demand. Hence, an internet connection is a must to make full utilization of NASA World Wind.

Why will I ever need NASA World Wind?

If you want to see various places on earth with zoom in mode then take the help of NASA world wind. When you will see these places with zoom in mode you get the feeling of you are actually there in that place. NASA world wind permits you to see these places with powerful imagery and provides you SRTM elevation data to see earth in visually loaded 3D.World wind offers you easy way so that people of all ages can take pleasure from world wind. If you want to control world wind for that, you should know how to handle two-button mouse.

This fascinating free program offers satellite images of planet Earth. This is a freeware that shows high quality satellite images of planet Earth. Depending on settings, that you select images will be shown with place names, borders and positioning information. You can easily download and store images on hard drive using the mouse. You will require a very fast internet connection, 3D graphic card and large memory capacity so that you can make most of this software.

Is it possible to use the 1.2e cache in 1.3e?

Yes it is possible. The procedure for doing so is as given under.

1. First of all download the appropriate location file.

2. when you do this, unzip it into your NASA folder. This would make it easy to find it later.

3. After this you need to copy the cache folders, of 1.2e, which are to be converted.

These are as follows.

a) \NASA\World Wind v1.2\Cache\Earth\High-Resolution Terrain Mapped Imagery\JPL Global Landsat Mosaic (False-Color Bands - Panshapened)

b) \NASA\World Wind v1.2\Cache\Earth\High-Resolution Terrain Mapped Imagery\JPL Global Landsat Mosaic (Visible Bands - Panshapened)

So if you are a developer and want to use NASA World Wind for development purposes, you can download it as well. However, if you are a general user that is of no use to you and you do not need to download it. Just download the Full Install, and that's all that is needed.

If you want to download the source code as well, you can download it. For this when you have successfully downloaded and installed Full install, copy the Data Directory from your Full install directory of World Wind in your source directory.

NASA World Wind is a software program that is designed by NASA. The best part about this satellite program is that you can travel around the world right from your computer. You don't have to buy tickets or pay money in order to visit different places that are around the world. You can enjoy these places by simply sitting in your house. The program provides accurate information in detail about every place. Images are taken properly by NASA satellites and the data is taken from topographic radar.