Dapple V.2.1.4

Dapple is a global data explorer designed to provide an open and optimal environment for visualizing, presenting and sharing massive quantities of geoscientific data on desktop computers. Dapple lets you browse, discover and display graphically rich data from global and corporate spatial servers – Geosoft DAP servers, NASA servers, USGS servers, and the many, many WMS servers currently available. The Dapple project is an open-source activity derived from the NASA World Wind open source project.

Geosoft’s Role in the Dapple Open Source project

Geosoft started the Dapple open source project in 2004. The Dapple project remains an open source project, however as of June 2012, Geosoft will no longer be playing an active role in the Dapple open source project.

Spatial Data Rights

When you use Dapple, you are browsing and viewing spatial data and information provided by web services on the Internet. Some of that data may be copyrighted or have other terms of use imposed by the supplier of that data. To protect your own liability, you should ensure that your use of that data does not violate any rights or conditions that the supplier of the data may have. The Dapple team shall not be liable in any way for your use of any data.

Explore the earth

Dapple makes it easy to find and visualize massive quantities of geoscientific data available on the Internet.

  • Search the Web for spatial data
  • Search internal DAP servers and known Web servers for spatial data
  • View geoscience data, satellite imagery, remote sensing data, geology maps, geophysical data, and many other earth data sets of interest to geoscientists
  • Save an earth view and share your view with colleagues
  • Add new Geosoft DAP, WMS and ArcIMS servers of interest
  • View GeoTIFF files
  • View KML files
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Software requirements

Dapple can be installed under Windows XP SP3, Windows Vista (32,64) or Windows 7 (32,64). You must be logged in as system administrator or a power-user with rights to install software.

The Dapple installation will look for .Net Framework 2.0, then DirectX, and if either are not present on your system the Dapple install will attempt to install them for you. Should these installations prove a problem, you can choose to install these components yourself from the following reference sites:

  • Microsoft .Net Framework 2.0
  • Microsoft DirectX

You can then run the Dapple installation again.

Hardware requirements

Recommended configuration:

  • Operating System: Windows XP SP3, Windows Vista (32, 64), Windows 7 (32, 64).
  • CPU: Pentium 4 2.4GHz+ or AMD 2400xp+
  • System Memory (RAM): 2GB RAM
  • Hard Disk: Data disk space depends on the volume of project data to be processed and the printer driver you are using, however 100 GB is recommended. This is largely based on your business and data requirements.
  • Network Speed: 768 Kbits/sec
  • Graphics Card: 3D-capable with 64MB of VRAM
  • Screen: 1280×1024, “32-bit True Colour” screen


Adding a WMS server to the list of available WMS services in Dapple
Viewing map and metadata in Dapple
Using the metadata legend link to view the legend information


Current Dapple version: 2.1.4 : Download Link

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Copyright © 2001 United States Government as represented by the Administrator of the national Aeronautics and Space Administration.  All rights reserved.