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Designing interactive screen overlays to enhance effectiveness of Google Earth geoscience resources

Mladen M. Dordevic
Designing interactive screen overlays to enhance effectiveness of Google Earth geoscience resources (in Google Earth and virtual visualizations in geoscience education and research, Steven J. Whitmeyer (editor), John E. Bailey (editor), Declan G. De Paor (editor) and Tina Ornduff (editor))
Special Paper - Geological Society of America (October 2012) 492: 105-111

Abstract

The effectiveness of a computer application depends on, among other things, an efficient user interface. In order to visualize subsurface geologic phenomena using the Google Earth application, we initially employed the built-in Google Earth time slider. Dragging the slider's right thumb elevated a COLLADA model that initially loads at a subsurface altitude. However, the double-thumb feature of the time slide caused users some difficulties. It is not possible to turn off this feature when not required, so it can be misleading to users. Because of this and because of the need for more control, we transitioned from the stand-alone Google Earth application to the web-based Google Earth plug-in. To overcome some of the limitation for the existing user interface, such as the inability to make controls appear semitransparent, we designed and implemented a screen overlay using the plug-in's application programming interface. This approach opened new possibilities to build more customizable user interfaces. A demonstration of the approach and sample usage of JavaScript to create buttons, draggable images, slides, and slider controls is presented.


ISSN: 0072-1077
EISSN: 2331-219X
Coden: GSAPAZ
Serial Title: Special Paper - Geological Society of America
Serial Volume: 492
Title: Designing interactive screen overlays to enhance effectiveness of Google Earth geoscience resources
Title: Google Earth and virtual visualizations in geoscience education and research
Author(s): Dordevic, Mladen M.
Author(s): Whitmeyer, Steven J.editor
Author(s): Bailey, John E.editor
Author(s): De Paor, Declan G.editor
Author(s): Ornduff, Tinaeditor
Affiliation: Old Dominion University, Department of Physics, Norfolk, VA, United States
Affiliation: James Madison University, Department of Geology, Harrisonburg, VA, United States
Pages: 105-111
Published: 201210
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
ISBN: 978-0-8137-2492-8
Meeting name: 2011 GSA Penrose conference, Google Earth and virtual visualizations in geoscience education and research
Meeting location: Mountain View, CA, USA, United States
Meeting date: 20110104Jan. 4-8, 2011
References: 18
Accession Number: 2013-010880
Categories: Miscellaneous
Document Type: Serial Conference document
Bibliographic Level: Analytic
Annotation: Includes appendix
Illustration Description: illus.
Secondary Affiliation: University of Alaska Fairbanks, USA, United StatesOld Dominion University, USA, United StatesGoogle, USA, United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data supplied by the Geological Society of America, Boulder, CO, United States
Update Code: 201308
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