Some easy tips on NASA World Wind
Is it possible to extract data from WorldWind and use it for other modeling and mapping applications?
Yes it is possible to do so. All data from World Wind is cached and installed in the folder below the Cache directory. The data set organizes it. It may happen that you are lucky enough to be reading about the WMS protocol and then interfacing with the servers, which World Wind connects to.
Is the imagery, which world wind provides copyrighted?
The Global Mosaic (excluding the I-3 visible layers), the Blue Marble and the USGS raster images and maps do not have any copyright protection. They are in the public domain. If you want to know, more about the copy right issues while using World Wind imagery and data you can visit the section named copyright questions when using images from world wind.
Does World Wind allow users to use its images for commercial purposes?
Most datasets which World Wind provides to its users are in public domain and therefore you can use them for commercial purposes as well. However, note you can not use the actual data servers. Also, note that, some data sets, which also include the 3rd party add-ons/plug-ins generally have their own terms and conditions for their use. Sometimes they may prohibit you from making commercial use of their services and products.
Which is the best vertical exaggeration?
Even though it may see that the 2 and 3 may have the right vertical exaggeration, 1 is the most accurate and is closest to the real vertical exaggeration. More precisely, the number 1 stands for multiplication of vertical height by the factor of 1.0. While on the other hand, vertical exaggeration of 3 stands for multiplication of vertical height by a factor of 3.0.
Are there any secret keys, for World Wind. Where can I know about them?
World Wind cannot tell you about the secret keys. However, you can know about all keyboard options available at the keyboard actions list.
How can I use the measure tool?
For can get complete information about it and the replacement toll at the section named Planimetric Measure Tool Plug-in.
How should I make the I3 ESAT as my default Landsat7 Imagery Layer?
Then go to the preferences, and disable ‘UseDefaultLayerStates’. However if your wish dirty hands, you may also attempt editing and renaming @Images.tmp to @Images.xml.
About the future versions of World Wind
When is the next version to be released?
You can know about the future versions and releases of World Wind at the Issue Tracker Road Map.
What about the other planets?
Apart from Earth you can view images and data for several other worlds using World Wind. They are Moon Mars, Venus, and Jupiter. However these are not all. Some others can be added through the add-ons.
What about the stars?
World Wind has added starts through plug-ins like Stars and Stars 3D.
Can World Wind add boundaries of other sub-national entities like Swiss cantons, Canadian provinces and territories, Australian states, etc?
The boundaries of Canadian territories and provinces have been included in World Wind. While for boundaries of other countries and their states or provinces you can view the sections Additional Boundaries, DYNAGIS Boundaries, and Country Boundaries.
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