Downloading NASA World Wind
Is it possible to download World Wind software?
Yes, it is possible. World Wind is now available as full install or an update version of previous release. You can use this software but you have to follow the terms and conditions of NASA open source agreement. If you wish to obtain the latest version, visit the official website of NASA World Wind.
If I want to install, NASA World Wind, what should be my system requirements?
The operating system of your computer should be Windows 2000 or its higher version (Windows XP). Intel Pentium 3 processor is recommended having a speed of 1 GHZ or higher. It is also necessary that your computer have a 256 megabyte of RAM so that the software operates at its best. Your hard disk should have available space of 2GB. Cable or DSL connection is also required. Your computer should also have DirectX and .NET runtime environment.
Is there any need to install a video card on my computer?
As NASA World Wind shows images in 3D, a video card with 3D acceleration is necessary. If you have bought the computer within the past 2 years, it is likely that your computer has a built in video card.Which Video cards are compatible with NASA World Wind?Here is a list of video cards, that work with World Wind; N-Vidia, S3, SIS, Intel, and ATI.
What are the minimum system requirements to install NASA World Wind?
With minimum configuration, functionality and performance of NASA World Wind will be definitely less than expected. Your RAM size should be 128 MB, 500 MHz CPU and 500 MB of disk space. Although the software may work with this configuration, you won't be satisfied with its performance.
Why blue marble imagery is not included in the installer?
Blue marble imagery is not a part of the installer. This is purposefully done for reducing the size of initial download.
After installing the software, Fatal Error dialog box is shown on the screen. How to resolve this problem?
If you receive this error after World Wind loads, set your display to 32 or 16 bit color. There have been reports that 32 or 24-bit color display is causing the problem. You should also check whether your existing graphic card is compatible with the software.
When NASA World Wind is successfully installed; the computer screen displays the message “Unable to create Direct3D m_Device3d” error”. What is this error?
This error indicates that your video card is not working properly. Check out the compatibility of the video card with NASA World Wind. Check whether managed DirectX is installed on your computer. Make sure that video card drivers are working properly. If you have not downloaded DirectX program then go to Start->run and then type 'dxdiag'. This will load up DirectX Diagnosis program. Under 'Display' ensure that everything is enabled and working properly.
When I start to run the software, why does the computer crashes?
Mostly your computer has a hardware problem. Test the stability of your computer with 3D graphics by simply running DirectX benchmarking software.
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